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- // Copyright (c) 2012 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "net/http/http_cache.h"
- #include <stdint.h>
- #include <algorithm>
- #include <memory>
- #include <set>
- #include <utility>
- #include <vector>
- #include "base/bind.h"
- #include "base/callback_helpers.h"
- #include "base/containers/cxx20_erase.h"
- #include "base/files/scoped_temp_dir.h"
- #include "base/format_macros.h"
- #include "base/memory/ptr_util.h"
- #include "base/memory/raw_ptr.h"
- #include "base/run_loop.h"
- #include "base/strings/strcat.h"
- #include "base/strings/string_number_conversions.h"
- #include "base/strings/string_util.h"
- #include "base/strings/stringprintf.h"
- #include "base/test/metrics/histogram_tester.h"
- #include "base/test/scoped_feature_list.h"
- #include "base/test/simple_test_clock.h"
- #include "base/time/time.h"
- #include "base/trace_event/memory_allocator_dump.h"
- #include "base/trace_event/memory_dump_request_args.h"
- #include "base/trace_event/process_memory_dump.h"
- #include "base/trace_event/traced_value.h"
- #include "net/base/cache_type.h"
- #include "net/base/completion_repeating_callback.h"
- #include "net/base/elements_upload_data_stream.h"
- #include "net/base/features.h"
- #include "net/base/host_port_pair.h"
- #include "net/base/ip_address.h"
- #include "net/base/ip_endpoint.h"
- #include "net/base/load_flags.h"
- #include "net/base/load_timing_info.h"
- #include "net/base/load_timing_info_test_util.h"
- #include "net/base/net_errors.h"
- #include "net/base/schemeful_site.h"
- #include "net/base/upload_bytes_element_reader.h"
- #include "net/cert/cert_status_flags.h"
- #include "net/cert/x509_certificate.h"
- #include "net/disk_cache/disk_cache.h"
- #include "net/http/http_byte_range.h"
- #include "net/http/http_cache_transaction.h"
- #include "net/http/http_request_headers.h"
- #include "net/http/http_request_info.h"
- #include "net/http/http_response_headers.h"
- #include "net/http/http_response_info.h"
- #include "net/http/http_transaction.h"
- #include "net/http/http_transaction_test_util.h"
- #include "net/http/http_util.h"
- #include "net/http/mock_http_cache.h"
- #include "net/log/net_log_event_type.h"
- #include "net/log/net_log_source.h"
- #include "net/log/net_log_with_source.h"
- #include "net/log/test_net_log.h"
- #include "net/log/test_net_log_util.h"
- #include "net/socket/client_socket_handle.h"
- #include "net/ssl/ssl_cert_request_info.h"
- #include "net/ssl/ssl_connection_status_flags.h"
- #include "net/test/cert_test_util.h"
- #include "net/test/gtest_util.h"
- #include "net/test/test_data_directory.h"
- #include "net/test/test_with_task_environment.h"
- #include "net/websockets/websocket_handshake_stream_base.h"
- #include "testing/gmock/include/gmock/gmock.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "url/origin.h"
- using net::test::IsError;
- using net::test::IsOk;
- using testing::AllOf;
- using testing::ByRef;
- using testing::Contains;
- using testing::ElementsAre;
- using testing::Eq;
- using testing::Field;
- using testing::Gt;
- using testing::IsEmpty;
- using testing::NotNull;
- using base::Time;
- namespace net {
- using CacheEntryStatus = HttpResponseInfo::CacheEntryStatus;
- class WebSocketEndpointLockManager;
- namespace {
- // Returns a simple text serialization of the given
- // |HttpResponseHeaders|. This is used by tests to verify that an
- // |HttpResponseHeaders| matches an expectation string.
- //
- // * One line per header, written as:
- // HEADER_NAME: HEADER_VALUE\n
- // * The original case of header names is preserved.
- // * Whitespace around head names/values is stripped.
- // * Repeated headers are not aggregated.
- // * Headers are listed in their original order.
- // TODO(tfarina): this is a duplicate function from
- // http_response_headers_unittest.cc:ToSimpleString(). Figure out how to merge
- // them. crbug.com/488593
- std::string ToSimpleString(const scoped_refptr<HttpResponseHeaders>& parsed) {
- std::string result = parsed->GetStatusLine() + "\n";
- size_t iter = 0;
- std::string name;
- std::string value;
- while (parsed->EnumerateHeaderLines(&iter, &name, &value)) {
- std::string new_line = name + ": " + value + "\n";
- result += new_line;
- }
- return result;
- }
- // Tests the load timing values of a request that goes through a
- // MockNetworkTransaction.
- void TestLoadTimingNetworkRequest(const LoadTimingInfo& load_timing_info) {
- EXPECT_FALSE(load_timing_info.socket_reused);
- EXPECT_NE(NetLogSource::kInvalidId, load_timing_info.socket_log_id);
- EXPECT_TRUE(load_timing_info.proxy_resolve_start.is_null());
- EXPECT_TRUE(load_timing_info.proxy_resolve_end.is_null());
- ExpectConnectTimingHasTimes(load_timing_info.connect_timing,
- CONNECT_TIMING_HAS_CONNECT_TIMES_ONLY);
- EXPECT_LE(load_timing_info.connect_timing.connect_end,
- load_timing_info.send_start);
- EXPECT_LE(load_timing_info.send_start, load_timing_info.send_end);
- // Set by URLRequest / URLRequestHttpJob, at a higher level.
- EXPECT_TRUE(load_timing_info.request_start_time.is_null());
- EXPECT_TRUE(load_timing_info.request_start.is_null());
- EXPECT_TRUE(load_timing_info.receive_headers_end.is_null());
- }
- // Tests the load timing values of a request that receives a cached response.
- void TestLoadTimingCachedResponse(const LoadTimingInfo& load_timing_info) {
- EXPECT_FALSE(load_timing_info.socket_reused);
- EXPECT_EQ(NetLogSource::kInvalidId, load_timing_info.socket_log_id);
- EXPECT_TRUE(load_timing_info.proxy_resolve_start.is_null());
- EXPECT_TRUE(load_timing_info.proxy_resolve_end.is_null());
- ExpectConnectTimingHasNoTimes(load_timing_info.connect_timing);
- // Only the send start / end times should be sent, and they should have the
- // same value.
- EXPECT_FALSE(load_timing_info.send_start.is_null());
- EXPECT_EQ(load_timing_info.send_start, load_timing_info.send_end);
- // Set by URLRequest / URLRequestHttpJob, at a higher level.
- EXPECT_TRUE(load_timing_info.request_start_time.is_null());
- EXPECT_TRUE(load_timing_info.request_start.is_null());
- EXPECT_TRUE(load_timing_info.receive_headers_end.is_null());
- }
- void DeferCallback(bool* defer) {
- *defer = true;
- }
- class DeleteCacheCompletionCallback : public TestCompletionCallbackBase {
- public:
- explicit DeleteCacheCompletionCallback(std::unique_ptr<MockHttpCache> cache)
- : cache_(std::move(cache)) {}
- DeleteCacheCompletionCallback(const DeleteCacheCompletionCallback&) = delete;
- DeleteCacheCompletionCallback& operator=(
- const DeleteCacheCompletionCallback&) = delete;
- CompletionOnceCallback callback() {
- return base::BindOnce(&DeleteCacheCompletionCallback::OnComplete,
- base::Unretained(this));
- }
- private:
- void OnComplete(int result) {
- cache_.reset();
- SetResult(result);
- }
- std::unique_ptr<MockHttpCache> cache_;
- };
- //-----------------------------------------------------------------------------
- // helpers
- void ReadAndVerifyTransaction(HttpTransaction* trans,
- const MockTransaction& trans_info) {
- std::string content;
- int rv = ReadTransaction(trans, &content);
- EXPECT_THAT(rv, IsOk());
- std::string expected(trans_info.data);
- EXPECT_EQ(expected, content);
- }
- void ReadRemainingAndVerifyTransaction(HttpTransaction* trans,
- const std::string& already_read,
- const MockTransaction& trans_info) {
- std::string content;
- int rv = ReadTransaction(trans, &content);
- EXPECT_THAT(rv, IsOk());
- std::string expected(trans_info.data);
- EXPECT_EQ(expected, already_read + content);
- }
- void RunTransactionTestBase(HttpCache* cache,
- const MockTransaction& trans_info,
- const MockHttpRequest& request,
- HttpResponseInfo* response_info,
- const NetLogWithSource& net_log,
- LoadTimingInfo* load_timing_info,
- int64_t* sent_bytes,
- int64_t* received_bytes,
- IPEndPoint* remote_endpoint) {
- TestCompletionCallback callback;
- // write to the cache
- std::unique_ptr<HttpTransaction> trans;
- int rv = cache->CreateTransaction(DEFAULT_PRIORITY, &trans);
- EXPECT_THAT(rv, IsOk());
- ASSERT_TRUE(trans.get());
- rv = trans->Start(&request, callback.callback(), net_log);
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_EQ(trans_info.start_return_code, rv);
- if (OK != rv)
- return;
- const HttpResponseInfo* response = trans->GetResponseInfo();
- ASSERT_TRUE(response);
- if (response_info)
- *response_info = *response;
- if (load_timing_info) {
- // If a fake network connection is used, need a NetLog to get a fake socket
- // ID.
- EXPECT_TRUE(net_log.net_log());
- *load_timing_info = LoadTimingInfo();
- trans->GetLoadTimingInfo(load_timing_info);
- }
- if (remote_endpoint)
- ASSERT_TRUE(trans->GetRemoteEndpoint(remote_endpoint));
- ReadAndVerifyTransaction(trans.get(), trans_info);
- if (sent_bytes)
- *sent_bytes = trans->GetTotalSentBytes();
- if (received_bytes)
- *received_bytes = trans->GetTotalReceivedBytes();
- }
- void RunTransactionTestWithRequest(HttpCache* cache,
- const MockTransaction& trans_info,
- const MockHttpRequest& request,
- HttpResponseInfo* response_info) {
- RunTransactionTestBase(cache, trans_info, request, response_info,
- NetLogWithSource(), nullptr, nullptr, nullptr,
- nullptr);
- }
- void RunTransactionTestAndGetTiming(HttpCache* cache,
- const MockTransaction& trans_info,
- const NetLogWithSource& log,
- LoadTimingInfo* load_timing_info) {
- RunTransactionTestBase(cache, trans_info, MockHttpRequest(trans_info),
- nullptr, log, load_timing_info, nullptr, nullptr,
- nullptr);
- }
- void RunTransactionTestAndGetTimingAndConnectedSocketAddress(
- HttpCache* cache,
- const MockTransaction& trans_info,
- const NetLogWithSource& log,
- LoadTimingInfo* load_timing_info,
- IPEndPoint* remote_endpoint) {
- RunTransactionTestBase(cache, trans_info, MockHttpRequest(trans_info),
- nullptr, log, load_timing_info, nullptr, nullptr,
- remote_endpoint);
- }
- void RunTransactionTest(HttpCache* cache, const MockTransaction& trans_info) {
- RunTransactionTestAndGetTiming(cache, trans_info, NetLogWithSource(),
- nullptr);
- }
- void RunTransactionTestWithLog(HttpCache* cache,
- const MockTransaction& trans_info,
- const NetLogWithSource& log) {
- RunTransactionTestAndGetTiming(cache, trans_info, log, nullptr);
- }
- void RunTransactionTestWithResponseInfo(HttpCache* cache,
- const MockTransaction& trans_info,
- HttpResponseInfo* response) {
- RunTransactionTestWithRequest(cache, trans_info, MockHttpRequest(trans_info),
- response);
- }
- void RunTransactionTestWithResponseInfoAndGetTiming(
- HttpCache* cache,
- const MockTransaction& trans_info,
- HttpResponseInfo* response,
- const NetLogWithSource& log,
- LoadTimingInfo* load_timing_info) {
- RunTransactionTestBase(cache, trans_info, MockHttpRequest(trans_info),
- response, log, load_timing_info, nullptr, nullptr,
- nullptr);
- }
- void RunTransactionTestWithResponse(HttpCache* cache,
- const MockTransaction& trans_info,
- std::string* response_headers) {
- HttpResponseInfo response;
- RunTransactionTestWithResponseInfo(cache, trans_info, &response);
- *response_headers = ToSimpleString(response.headers);
- }
- void RunTransactionTestWithResponseAndGetTiming(
- HttpCache* cache,
- const MockTransaction& trans_info,
- std::string* response_headers,
- const NetLogWithSource& log,
- LoadTimingInfo* load_timing_info) {
- HttpResponseInfo response;
- RunTransactionTestBase(cache, trans_info, MockHttpRequest(trans_info),
- &response, log, load_timing_info, nullptr, nullptr,
- nullptr);
- *response_headers = ToSimpleString(response.headers);
- }
- // This class provides a handler for kFastNoStoreGET_Transaction so that the
- // no-store header can be included on demand.
- class FastTransactionServer {
- public:
- FastTransactionServer() {
- no_store = false;
- }
- FastTransactionServer(const FastTransactionServer&) = delete;
- FastTransactionServer& operator=(const FastTransactionServer&) = delete;
- ~FastTransactionServer() = default;
- void set_no_store(bool value) { no_store = value; }
- static void FastNoStoreHandler(const HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data) {
- if (no_store)
- *response_headers = "Cache-Control: no-store\n";
- }
- private:
- static bool no_store;
- };
- bool FastTransactionServer::no_store;
- const MockTransaction kFastNoStoreGET_Transaction = {
- "http://www.google.com/nostore",
- "GET",
- base::Time(),
- "",
- LOAD_VALIDATE_CACHE,
- DefaultTransportInfo(),
- "HTTP/1.1 200 OK",
- "Cache-Control: max-age=10000\n",
- base::Time(),
- "<html><body>Google Blah Blah</body></html>",
- {},
- TEST_MODE_SYNC_NET_START,
- &FastTransactionServer::FastNoStoreHandler,
- nullptr,
- nullptr,
- 0,
- 0,
- OK,
- };
- // This class provides a handler for kRangeGET_TransactionOK so that the range
- // request can be served on demand.
- class RangeTransactionServer {
- public:
- RangeTransactionServer() {
- not_modified_ = false;
- modified_ = false;
- bad_200_ = false;
- redirect_ = false;
- length_ = 80;
- }
- RangeTransactionServer(const RangeTransactionServer&) = delete;
- RangeTransactionServer& operator=(const RangeTransactionServer&) = delete;
- ~RangeTransactionServer() {
- not_modified_ = false;
- modified_ = false;
- bad_200_ = false;
- redirect_ = false;
- length_ = 80;
- }
- // Returns only 416 or 304 when set.
- void set_not_modified(bool value) { not_modified_ = value; }
- // Returns 206 when revalidating a range (instead of 304).
- void set_modified(bool value) { modified_ = value; }
- // Returns 200 instead of 206 (a malformed response overall).
- void set_bad_200(bool value) { bad_200_ = value; }
- // Sets how long the resource is. (Default is 80)
- void set_length(int64_t length) { length_ = length; }
- // Sets whether to return a 301 instead of normal return.
- void set_redirect(bool redirect) { redirect_ = redirect; }
- // Other than regular range related behavior (and the flags mentioned above),
- // the server reacts to requests headers like so:
- // X-Require-Mock-Auth -> return 401.
- // X-Require-Mock-Auth-Alt -> return 401.
- // X-Return-Default-Range -> assume 40-49 was requested.
- // The -Alt variant doesn't cause the MockNetworkTransaction to
- // report that it IsReadyToRestartForAuth().
- static void RangeHandler(const HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data);
- private:
- static bool not_modified_;
- static bool modified_;
- static bool bad_200_;
- static bool redirect_;
- static int64_t length_;
- };
- bool RangeTransactionServer::not_modified_ = false;
- bool RangeTransactionServer::modified_ = false;
- bool RangeTransactionServer::bad_200_ = false;
- bool RangeTransactionServer::redirect_ = false;
- int64_t RangeTransactionServer::length_ = 80;
- // A dummy extra header that must be preserved on a given request.
- // EXTRA_HEADER_LINE doesn't include a line terminator because it
- // will be passed to AddHeaderFromString() which doesn't accept them.
- #define EXTRA_HEADER_LINE "Extra: header"
- // EXTRA_HEADER contains a line terminator, as expected by
- // AddHeadersFromString() (_not_ AddHeaderFromString()).
- #define EXTRA_HEADER EXTRA_HEADER_LINE "\r\n"
- static const char kExtraHeaderKey[] = "Extra";
- // Static.
- void RangeTransactionServer::RangeHandler(const HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data) {
- if (request->extra_headers.IsEmpty()) {
- response_status->assign("HTTP/1.1 416 Requested Range Not Satisfiable");
- response_data->clear();
- return;
- }
- // We want to make sure we don't delete extra headers.
- EXPECT_TRUE(request->extra_headers.HasHeader(kExtraHeaderKey));
- bool require_auth =
- request->extra_headers.HasHeader("X-Require-Mock-Auth") ||
- request->extra_headers.HasHeader("X-Require-Mock-Auth-Alt");
- if (require_auth && !request->extra_headers.HasHeader("Authorization")) {
- response_status->assign("HTTP/1.1 401 Unauthorized");
- response_data->assign("WWW-Authenticate: Foo\n");
- return;
- }
- if (redirect_) {
- response_status->assign("HTTP/1.1 301 Moved Permanently");
- response_headers->assign("Location: /elsewhere\nContent-Length: 5");
- response_data->assign("12345");
- return;
- }
- if (not_modified_) {
- response_status->assign("HTTP/1.1 304 Not Modified");
- response_data->clear();
- return;
- }
- std::vector<HttpByteRange> ranges;
- std::string range_header;
- if (!request->extra_headers.GetHeader(HttpRequestHeaders::kRange,
- &range_header) ||
- !HttpUtil::ParseRangeHeader(range_header, &ranges) || bad_200_ ||
- ranges.size() != 1 ||
- (modified_ && request->extra_headers.HasHeader("If-Range"))) {
- // This is not a byte range request, or a failed If-Range. We return 200.
- response_status->assign("HTTP/1.1 200 OK");
- response_headers->assign("Date: Wed, 28 Nov 2007 09:40:09 GMT");
- response_data->assign("Not a range");
- return;
- }
- // We can handle this range request.
- HttpByteRange byte_range = ranges[0];
- if (request->extra_headers.HasHeader("X-Return-Default-Range")) {
- byte_range.set_first_byte_position(40);
- byte_range.set_last_byte_position(49);
- }
- if (byte_range.first_byte_position() >= length_) {
- response_status->assign("HTTP/1.1 416 Requested Range Not Satisfiable");
- response_data->clear();
- return;
- }
- EXPECT_TRUE(byte_range.ComputeBounds(length_));
- int64_t start = byte_range.first_byte_position();
- int64_t end = byte_range.last_byte_position();
- EXPECT_LT(end, length_);
- std::string content_range = base::StringPrintf("Content-Range: bytes %" PRId64
- "-%" PRId64 "/%" PRId64 "\n",
- start, end, length_);
- response_headers->append(content_range);
- if (!request->extra_headers.HasHeader("If-None-Match") || modified_) {
- std::string data;
- if (end == start) {
- EXPECT_EQ(0, end % 10);
- data = "r";
- } else {
- EXPECT_EQ(9, (end - start) % 10);
- for (int64_t block_start = start; block_start < end; block_start += 10) {
- base::StringAppendF(&data, "rg: %02" PRId64 "-%02" PRId64 " ",
- block_start % 100, (block_start + 9) % 100);
- }
- }
- *response_data = data;
- if (end - start != 9) {
- // We also have to fix content-length.
- int64_t len = end - start + 1;
- std::string content_length =
- base::StringPrintf("Content-Length: %" PRId64 "\n", len);
- response_headers->replace(response_headers->find("Content-Length:"),
- content_length.size(), content_length);
- }
- } else {
- response_status->assign("HTTP/1.1 304 Not Modified");
- response_data->clear();
- }
- }
- const MockTransaction kRangeGET_TransactionOK = {
- "http://www.google.com/range",
- "GET",
- base::Time(),
- "Range: bytes = 40-49\r\n" EXTRA_HEADER,
- LOAD_NORMAL,
- DefaultTransportInfo(),
- "HTTP/1.1 206 Partial Content",
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 10\n",
- base::Time(),
- "rg: 40-49 ",
- {},
- TEST_MODE_NORMAL,
- &RangeTransactionServer::RangeHandler,
- nullptr,
- nullptr,
- 0,
- 0,
- OK,
- };
- const char kFullRangeData[] =
- "rg: 00-09 rg: 10-19 rg: 20-29 rg: 30-39 "
- "rg: 40-49 rg: 50-59 rg: 60-69 rg: 70-79 ";
- // Verifies the response headers (|response|) match a partial content
- // response for the range starting at |start| and ending at |end|.
- void Verify206Response(const std::string& response, int start, int end) {
- auto headers = base::MakeRefCounted<HttpResponseHeaders>(
- HttpUtil::AssembleRawHeaders(response));
- ASSERT_EQ(206, headers->response_code());
- int64_t range_start, range_end, object_size;
- ASSERT_TRUE(
- headers->GetContentRangeFor206(&range_start, &range_end, &object_size));
- int64_t content_length = headers->GetContentLength();
- int length = end - start + 1;
- ASSERT_EQ(length, content_length);
- ASSERT_EQ(start, range_start);
- ASSERT_EQ(end, range_end);
- }
- // Creates a truncated entry that can be resumed using byte ranges.
- void CreateTruncatedEntry(std::string raw_headers, MockHttpCache* cache) {
- // Create a disk cache entry that stores an incomplete resource.
- disk_cache::Entry* entry;
- MockHttpRequest request(kRangeGET_TransactionOK);
- ASSERT_TRUE(cache->CreateBackendEntry(request.CacheKey(), &entry, nullptr));
- HttpResponseInfo response;
- response.response_time = base::Time::Now();
- response.request_time = base::Time::Now();
- response.headers = base::MakeRefCounted<HttpResponseHeaders>(
- HttpUtil::AssembleRawHeaders(raw_headers));
- // Set the last argument for this to be an incomplete request.
- EXPECT_TRUE(MockHttpCache::WriteResponseInfo(entry, &response, true, true));
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(100);
- int len = static_cast<int>(base::strlcpy(buf->data(),
- "rg: 00-09 rg: 10-19 ", 100));
- TestCompletionCallback cb;
- int rv = entry->WriteData(1, 0, buf.get(), len, cb.callback(), true);
- EXPECT_EQ(len, cb.GetResult(rv));
- entry->Close();
- }
- // Verifies that there's an entry with this |key| with the truncated flag set to
- // |flag_value|, and with an optional |data_size| (if not zero).
- void VerifyTruncatedFlag(MockHttpCache* cache,
- const std::string& key,
- bool flag_value,
- int data_size) {
- disk_cache::Entry* entry;
- ASSERT_TRUE(cache->OpenBackendEntry(key, &entry));
- disk_cache::ScopedEntryPtr closer(entry);
- HttpResponseInfo response;
- bool truncated = !flag_value;
- EXPECT_TRUE(MockHttpCache::ReadResponseInfo(entry, &response, &truncated));
- EXPECT_EQ(flag_value, truncated);
- if (data_size)
- EXPECT_EQ(data_size, entry->GetDataSize(1));
- }
- // Helper to represent a network HTTP response.
- struct Response {
- // Set this response into |trans|.
- void AssignTo(MockTransaction* trans) const {
- trans->status = status;
- trans->response_headers = headers;
- trans->data = body;
- }
- std::string status_and_headers() const {
- return std::string(status) + "\n" + std::string(headers);
- }
- const char* status;
- const char* headers;
- const char* body;
- };
- struct Context {
- Context() = default;
- int result = ERR_IO_PENDING;
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- };
- class FakeWebSocketHandshakeStreamCreateHelper
- : public WebSocketHandshakeStreamBase::CreateHelper {
- public:
- ~FakeWebSocketHandshakeStreamCreateHelper() override = default;
- std::unique_ptr<WebSocketHandshakeStreamBase> CreateBasicStream(
- std::unique_ptr<ClientSocketHandle> connect,
- bool using_proxy,
- WebSocketEndpointLockManager* websocket_endpoint_lock_manager) override {
- return nullptr;
- }
- std::unique_ptr<WebSocketHandshakeStreamBase> CreateHttp2Stream(
- base::WeakPtr<SpdySession> session,
- std::set<std::string> dns_aliases) override {
- NOTREACHED();
- return nullptr;
- }
- };
- // Returns true if |entry| is not one of the log types paid attention to in this
- // test. Note that HTTP_CACHE_WRITE_INFO and HTTP_CACHE_*_DATA are
- // ignored.
- bool ShouldIgnoreLogEntry(const NetLogEntry& entry) {
- switch (entry.type) {
- case NetLogEventType::HTTP_CACHE_GET_BACKEND:
- case NetLogEventType::HTTP_CACHE_OPEN_OR_CREATE_ENTRY:
- case NetLogEventType::HTTP_CACHE_OPEN_ENTRY:
- case NetLogEventType::HTTP_CACHE_CREATE_ENTRY:
- case NetLogEventType::HTTP_CACHE_ADD_TO_ENTRY:
- case NetLogEventType::HTTP_CACHE_DOOM_ENTRY:
- case NetLogEventType::HTTP_CACHE_READ_INFO:
- return false;
- default:
- return true;
- }
- }
- // Gets the entries from |net_log| created by the cache layer and asserted on in
- // these tests.
- std::vector<NetLogEntry> GetFilteredNetLogEntries(
- const RecordingNetLogObserver& net_log_observer) {
- auto entries = net_log_observer.GetEntries();
- base::EraseIf(entries, ShouldIgnoreLogEntry);
- return entries;
- }
- bool LogContainsEventType(const RecordingNetLogObserver& net_log_observer,
- NetLogEventType expected) {
- return !net_log_observer.GetEntriesWithType(expected).empty();
- }
- // Returns a TransportInfo distinct from the default for mock transactions,
- // with the given port number.
- TransportInfo TestTransportInfoWithPort(uint16_t port) {
- TransportInfo result;
- result.endpoint = IPEndPoint(IPAddress(42, 0, 1, 2), port);
- return result;
- }
- // Returns a TransportInfo distinct from the default for mock transactions.
- TransportInfo TestTransportInfo() {
- return TestTransportInfoWithPort(1337);
- }
- TransportInfo CachedTestTransportInfo() {
- TransportInfo result = TestTransportInfo();
- result.type = TransportType::kCached;
- return result;
- }
- // Helper function, generating valid HTTP cache key from `url`.
- // See also: HttpCache::GenerateCacheKey(..)
- std::string GenerateCacheKey(const std::string& url) {
- return "1/0/" + url;
- }
- } // namespace
- using HttpCacheTest = TestWithTaskEnvironment;
- class HttpCacheIOCallbackTest : public HttpCacheTest {
- public:
- HttpCacheIOCallbackTest() = default;
- ~HttpCacheIOCallbackTest() override = default;
- // HttpCache::ActiveEntry is private, doing this allows tests to use it
- using ActiveEntry = HttpCache::ActiveEntry;
- using Transaction = HttpCache::Transaction;
- // The below functions are forwarding calls to the HttpCache class.
- int OpenEntry(HttpCache* cache,
- const std::string& url,
- HttpCache::ActiveEntry** entry,
- HttpCache::Transaction* trans) {
- return cache->OpenEntry(GenerateCacheKey(url), entry, trans);
- }
- int OpenOrCreateEntry(HttpCache* cache,
- const std::string& url,
- HttpCache::ActiveEntry** entry,
- HttpCache::Transaction* trans) {
- return cache->OpenOrCreateEntry(GenerateCacheKey(url), entry, trans);
- }
- int CreateEntry(HttpCache* cache,
- const std::string& url,
- HttpCache::ActiveEntry** entry,
- HttpCache::Transaction* trans) {
- return cache->CreateEntry(GenerateCacheKey(url), entry, trans);
- }
- int DoomEntry(HttpCache* cache,
- const std::string& url,
- HttpCache::Transaction* trans) {
- return cache->DoomEntry(GenerateCacheKey(url), trans);
- }
- void DeactivateEntry(HttpCache* cache, ActiveEntry* entry) {
- cache->DeactivateEntry(entry);
- }
- };
- class HttpSplitCacheKeyTest : public HttpCacheTest {
- public:
- HttpSplitCacheKeyTest() = default;
- ~HttpSplitCacheKeyTest() override = default;
- std::string ComputeCacheKey(const std::string& url_string) {
- GURL url(url_string);
- SchemefulSite site(url);
- net::HttpRequestInfo request_info;
- request_info.url = url;
- request_info.method = "GET";
- request_info.network_isolation_key = net::NetworkIsolationKey(site, site);
- MockHttpCache cache;
- return *cache.http_cache()->GenerateCacheKeyForRequest(&request_info);
- }
- };
- //-----------------------------------------------------------------------------
- // Tests.
- TEST_F(HttpCacheTest, CreateThenDestroy) {
- MockHttpCache cache;
- std::unique_ptr<HttpTransaction> trans;
- EXPECT_THAT(cache.CreateTransaction(&trans), IsOk());
- ASSERT_TRUE(trans.get());
- }
- TEST_F(HttpCacheTest, GetBackend) {
- MockHttpCache cache(HttpCache::DefaultBackend::InMemory(0));
- disk_cache::Backend* backend;
- TestCompletionCallback cb;
- // This will lazily initialize the backend.
- int rv = cache.http_cache()->GetBackend(&backend, cb.callback());
- EXPECT_THAT(cb.GetResult(rv), IsOk());
- }
- TEST_F(HttpCacheTest, SimpleGET) {
- MockHttpCache cache;
- LoadTimingInfo load_timing_info;
- // Write to the cache.
- RunTransactionTestAndGetTiming(cache.http_cache(), kSimpleGET_Transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- }
- // This test verifies that the callback passed to SetConnectedCallback() is
- // called once for simple GET calls that traverse the cache.
- TEST_F(HttpCacheTest, SimpleGET_ConnectedCallback) {
- MockHttpCache cache;
- ScopedMockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.transport_info = TestTransportInfo();
- MockHttpRequest request(mock_transaction);
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- EXPECT_THAT(connected_handler.transports(), ElementsAre(TestTransportInfo()));
- }
- // This test verifies that when the callback passed to SetConnectedCallback()
- // returns an error, the transaction fails with that error.
- TEST_F(HttpCacheTest, SimpleGET_ConnectedCallbackReturnError) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- // The exact error code does not matter. We only care that it is passed to
- // the transaction's completion callback unmodified.
- connected_handler.set_result(ERR_NOT_IMPLEMENTED);
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsError(ERR_NOT_IMPLEMENTED));
- }
- // This test verifies that the callback passed to SetConnectedCallback() is
- // called once for requests that hit the cache.
- TEST_F(HttpCacheTest, SimpleGET_ConnectedCallbackOnCacheHit) {
- MockHttpCache cache;
- {
- // Populate the cache.
- ScopedMockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.transport_info = TestTransportInfo();
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- }
- // Establish a baseline.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // Load from the cache (only), observe the callback being called.
- ConnectedHandler connected_handler;
- MockHttpRequest request(kSimpleGET_Transaction);
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // Still only 1 transaction for the previous request. The connected callback
- // was not called by a second network transaction.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo()));
- }
- // This test verifies that when the callback passed to SetConnectedCallback()
- // is called for a request that hit the cache and returns an error, the cache
- // entry is reusable.
- TEST_F(HttpCacheTest, SimpleGET_ConnectedCallbackOnCacheHitReturnError) {
- MockHttpCache cache;
- {
- // Populate the cache.
- ScopedMockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.transport_info = TestTransportInfo();
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- }
- MockHttpRequest request(kSimpleGET_Transaction);
- {
- // Attempt to read from cache entry, but abort transaction due to a
- // connected callback error.
- ConnectedHandler connected_handler;
- connected_handler.set_result(ERR_FAILED);
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsError(ERR_FAILED));
- // Used the cache entry only.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo()));
- }
- {
- // Request the same resource once more, observe that it is read from cache.
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // Used the cache entry only.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo()));
- }
- }
- // This test verifies that when the callback passed to SetConnectedCallback()
- // returns `ERR_INCONSISTENT_IP_ADDRESS_SPACE`, the cache entry is invalidated.
- TEST_F(HttpCacheTest,
- SimpleGET_ConnectedCallbackOnCacheHitReturnInconsistentIpError) {
- MockHttpCache cache;
- ScopedMockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.transport_info = TestTransportInfo();
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), mock_transaction);
- MockHttpRequest request(kSimpleGET_Transaction);
- {
- // Attempt to read from cache entry, but abort transaction due to a
- // connected callback error.
- ConnectedHandler connected_handler;
- connected_handler.set_result(ERR_INCONSISTENT_IP_ADDRESS_SPACE);
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(),
- IsError(ERR_INCONSISTENT_IP_ADDRESS_SPACE));
- // Used the cache entry only.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo()));
- }
- {
- // Request the same resource once more, observe that it is not read from
- // cache.
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // Used the network only.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo()));
- }
- }
- // This test verifies that when the callback passed to SetConnectedCallback()
- // returns
- // `ERR_CACHED_IP_ADDRESS_SPACE_BLOCKED_BY_PRIVATE_NETWORK_ACCESS_POLICY`, the
- // cache entry is invalidated, and we'll retry the connection from the network.
- TEST_F(
- HttpCacheTest,
- SimpleGET_ConnectedCallbackOnCacheHitReturnPrivateNetworkAccessBlockedError) {
- MockHttpCache cache;
- ScopedMockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.transport_info = TestTransportInfo();
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), mock_transaction);
- MockHttpRequest request(kSimpleGET_Transaction);
- {
- // Attempt to read from cache entry, but abort transaction due to a
- // connected callback error.
- ConnectedHandler connected_handler;
- connected_handler.set_result(
- ERR_CACHED_IP_ADDRESS_SPACE_BLOCKED_BY_PRIVATE_NETWORK_ACCESS_POLICY);
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(
- callback.WaitForResult(),
- IsError(
- ERR_CACHED_IP_ADDRESS_SPACE_BLOCKED_BY_PRIVATE_NETWORK_ACCESS_POLICY));
- // Used the cache entry only.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo(), TestTransportInfo()));
- }
- {
- // Request the same resource once more, observe that it is not read from
- // cache.
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // Used the network only.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo()));
- }
- }
- // This test verifies that the callback passed to SetConnectedCallback() is
- // called with the right transport type when the cached entry was originally
- // fetched via proxy.
- TEST_F(HttpCacheTest, SimpleGET_ConnectedCallbackOnCacheHitFromProxy) {
- MockHttpCache cache;
- TransportInfo proxied_transport_info = TestTransportInfo();
- proxied_transport_info.type = TransportType::kProxied;
- {
- // Populate the cache.
- ScopedMockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.transport_info = proxied_transport_info;
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- }
- // Establish a baseline.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // Load from the cache (only), observe the callback being called.
- ConnectedHandler connected_handler;
- MockHttpRequest request(kSimpleGET_Transaction);
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // Still only 1 transaction for the previous request. The connected callback
- // was not called by a second network transaction.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // The transport info mentions both the cache and the original proxy.
- TransportInfo expected_transport_info = TestTransportInfo();
- expected_transport_info.type = TransportType::kCachedFromProxy;
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(expected_transport_info));
- }
- class HttpCacheTest_SplitCacheFeature
- : public HttpCacheTest,
- public ::testing::WithParamInterface<bool> {
- public:
- void SetUp() override {
- feature_list_.InitWithFeatureState(
- net::features::kSplitCacheByNetworkIsolationKey, GetParam());
- HttpCacheTest::SetUp();
- }
- private:
- base::test::ScopedFeatureList feature_list_;
- };
- TEST_P(HttpCacheTest_SplitCacheFeature, SimpleGETVerifyGoogleFontMetrics) {
- base::HistogramTester histograms;
- const std::string histogram_name = "WebFont.HttpCacheStatus_roboto";
- SchemefulSite site_a(GURL("http://www.a.com"));
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.url = "http://themes.googleusercontent.com/static/fonts/roboto";
- AddMockTransaction(&transaction);
- MockHttpRequest request(transaction);
- request.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- nullptr);
- histograms.ExpectUniqueSample(
- histogram_name, static_cast<int>(CacheEntryStatus::ENTRY_NOT_IN_CACHE),
- 1);
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- nullptr);
- histograms.ExpectBucketCount(
- histogram_name, static_cast<int>(CacheEntryStatus::ENTRY_USED), 1);
- }
- INSTANTIATE_TEST_SUITE_P(
- All,
- HttpCacheTest_SplitCacheFeature,
- testing::Bool());
- TEST_F(HttpCacheTest, SimpleGETNoDiskCache) {
- MockHttpCache cache;
- cache.disk_cache()->set_fail_requests(true);
- RecordingNetLogObserver net_log_observer;
- LoadTimingInfo load_timing_info;
- // Read from the network, and don't use the cache.
- RunTransactionTestAndGetTiming(cache.http_cache(), kSimpleGET_Transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- // Check that the NetLog was filled as expected.
- // (We attempted to OpenOrCreate entries, but fail).
- auto entries = GetFilteredNetLogEntries(net_log_observer);
- EXPECT_EQ(4u, entries.size());
- EXPECT_TRUE(LogContainsBeginEvent(entries, 0,
- NetLogEventType::HTTP_CACHE_GET_BACKEND));
- EXPECT_TRUE(
- LogContainsEndEvent(entries, 1, NetLogEventType::HTTP_CACHE_GET_BACKEND));
- EXPECT_TRUE(LogContainsBeginEvent(
- entries, 2, NetLogEventType::HTTP_CACHE_OPEN_OR_CREATE_ENTRY));
- EXPECT_TRUE(LogContainsEndEvent(
- entries, 3, NetLogEventType::HTTP_CACHE_OPEN_OR_CREATE_ENTRY));
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- }
- TEST_F(HttpCacheTest, SimpleGETNoDiskCache2) {
- // This will initialize a cache object with NULL backend.
- auto factory = std::make_unique<MockBlockingBackendFactory>();
- factory->set_fail(true);
- factory->FinishCreation(); // We'll complete synchronously.
- MockHttpCache cache(std::move(factory));
- // Read from the network, and don't use the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_FALSE(cache.http_cache()->GetCurrentBackend());
- }
- // Tests that IOBuffers are not referenced after IO completes.
- TEST_F(HttpCacheTest, ReleaseBuffer) {
- MockHttpCache cache;
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- MockHttpRequest request(kSimpleGET_Transaction);
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- const int kBufferSize = 10;
- scoped_refptr<IOBuffer> buffer = base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- int rv = trans->Start(&request, cb.callback(), NetLogWithSource());
- EXPECT_THAT(cb.GetResult(rv), IsOk());
- rv = trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(kBufferSize, cb.GetResult(rv));
- }
- TEST_F(HttpCacheTest, SimpleGETWithDiskFailures) {
- MockHttpCache cache;
- cache.disk_cache()->set_soft_failures_mask(MockDiskEntry::FAIL_ALL);
- // Read from the network, and fail to write to the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // This one should see an empty cache again.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that disk failures after the transaction has started don't cause the
- // request to fail.
- TEST_F(HttpCacheTest, SimpleGETWithDiskFailures2) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- rv = c->callback.WaitForResult();
- // Start failing request now.
- cache.disk_cache()->set_soft_failures_mask(MockDiskEntry::FAIL_ALL);
- // We have to open the entry again to propagate the failure flag.
- disk_cache::Entry* en;
- ASSERT_TRUE(cache.OpenBackendEntry(request.CacheKey(), &en));
- en->Close();
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- c.reset();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // This one should see an empty cache again.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we handle failures to read from the cache.
- TEST_F(HttpCacheTest, SimpleGETWithDiskFailures3) {
- MockHttpCache cache;
- // Read from the network, and write to the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- cache.disk_cache()->set_soft_failures_mask(MockDiskEntry::FAIL_ALL);
- MockHttpRequest request(kSimpleGET_Transaction);
- // Now fail to read from the cache.
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_THAT(c->callback.GetResult(rv), IsOk());
- // Now verify that the entry was removed from the cache.
- cache.disk_cache()->set_soft_failures_mask(0);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, SimpleGET_LoadOnlyFromCache_Hit) {
- MockHttpCache cache;
- RecordingNetLogObserver net_log_observer;
- NetLogWithSource net_log_with_source =
- NetLogWithSource::Make(NetLogSourceType::NONE);
- LoadTimingInfo load_timing_info;
- // Write to the cache.
- RunTransactionTestAndGetTiming(cache.http_cache(), kSimpleGET_Transaction,
- net_log_with_source, &load_timing_info);
- // Check that the NetLog was filled as expected.
- auto entries = GetFilteredNetLogEntries(net_log_observer);
- EXPECT_EQ(6u, entries.size());
- EXPECT_TRUE(LogContainsBeginEvent(entries, 0,
- NetLogEventType::HTTP_CACHE_GET_BACKEND));
- EXPECT_TRUE(
- LogContainsEndEvent(entries, 1, NetLogEventType::HTTP_CACHE_GET_BACKEND));
- EXPECT_TRUE(LogContainsBeginEvent(
- entries, 2, NetLogEventType::HTTP_CACHE_OPEN_OR_CREATE_ENTRY));
- EXPECT_TRUE(LogContainsEndEvent(
- entries, 3, NetLogEventType::HTTP_CACHE_OPEN_OR_CREATE_ENTRY));
- EXPECT_TRUE(LogContainsBeginEvent(entries, 4,
- NetLogEventType::HTTP_CACHE_ADD_TO_ENTRY));
- EXPECT_TRUE(LogContainsEndEvent(entries, 5,
- NetLogEventType::HTTP_CACHE_ADD_TO_ENTRY));
- TestLoadTimingNetworkRequest(load_timing_info);
- // Force this transaction to read from the cache.
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- net_log_observer.Clear();
- RunTransactionTestAndGetTiming(cache.http_cache(), transaction,
- net_log_with_source, &load_timing_info);
- // Check that the NetLog was filled as expected.
- entries = GetFilteredNetLogEntries(net_log_observer);
- EXPECT_EQ(8u, entries.size());
- EXPECT_TRUE(LogContainsBeginEvent(entries, 0,
- NetLogEventType::HTTP_CACHE_GET_BACKEND));
- EXPECT_TRUE(
- LogContainsEndEvent(entries, 1, NetLogEventType::HTTP_CACHE_GET_BACKEND));
- EXPECT_TRUE(LogContainsBeginEvent(
- entries, 2, NetLogEventType::HTTP_CACHE_OPEN_OR_CREATE_ENTRY));
- EXPECT_TRUE(LogContainsEndEvent(
- entries, 3, NetLogEventType::HTTP_CACHE_OPEN_OR_CREATE_ENTRY));
- EXPECT_TRUE(LogContainsBeginEvent(entries, 4,
- NetLogEventType::HTTP_CACHE_ADD_TO_ENTRY));
- EXPECT_TRUE(LogContainsEndEvent(entries, 5,
- NetLogEventType::HTTP_CACHE_ADD_TO_ENTRY));
- EXPECT_TRUE(
- LogContainsBeginEvent(entries, 6, NetLogEventType::HTTP_CACHE_READ_INFO));
- EXPECT_TRUE(
- LogContainsEndEvent(entries, 7, NetLogEventType::HTTP_CACHE_READ_INFO));
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingCachedResponse(load_timing_info);
- }
- TEST_F(HttpCacheTest, SimpleGET_LoadOnlyFromCache_Miss) {
- MockHttpCache cache;
- // force this transaction to read from the cache
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- MockHttpRequest request(transaction);
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_THAT(rv, IsError(ERR_CACHE_MISS));
- trans.reset();
- EXPECT_EQ(0, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, SimpleGET_LoadPreferringCache_Hit) {
- MockHttpCache cache;
- // write to the cache
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // force this transaction to read from the cache if valid
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, SimpleGET_LoadPreferringCache_Miss) {
- MockHttpCache cache;
- // force this transaction to read from the cache if valid
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests LOAD_SKIP_CACHE_VALIDATION in the presence of vary headers.
- TEST_F(HttpCacheTest, SimpleGET_LoadPreferringCache_VaryMatch) {
- MockHttpCache cache;
- // Write to the cache.
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n";
- transaction.response_headers = "Cache-Control: max-age=10000\n"
- "Vary: Foo\n";
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- // Read from the cache.
- transaction.load_flags |= LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests LOAD_SKIP_CACHE_VALIDATION in the presence of vary headers.
- TEST_F(HttpCacheTest, SimpleGET_LoadPreferringCache_VaryMismatch) {
- MockHttpCache cache;
- // Write to the cache.
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n";
- transaction.response_headers = "Cache-Control: max-age=10000\n"
- "Vary: Foo\n";
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- // Attempt to read from the cache... this is a vary mismatch that must reach
- // the network again.
- transaction.load_flags |= LOAD_SKIP_CACHE_VALIDATION;
- transaction.request_headers = "Foo: none\r\n";
- LoadTimingInfo load_timing_info;
- RunTransactionTestAndGetTiming(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&transaction);
- }
- // Tests that we honor Vary: * with LOAD_SKIP_CACHE_VALIDATION (crbug/778681)
- TEST_F(HttpCacheTest, SimpleGET_LoadSkipCacheValidation_VaryStar) {
- MockHttpCache cache;
- // Write to the cache.
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers =
- "Cache-Control: max-age=10000\n"
- "Vary: *\n";
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- // Attempt to read from the cache... we will still load it from network,
- // since Vary: * doesn't match.
- transaction.load_flags |= LOAD_SKIP_CACHE_VALIDATION;
- LoadTimingInfo load_timing_info;
- RunTransactionTestAndGetTiming(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that was_cached was set properly on a failure, even if the cached
- // response wasn't returned.
- TEST_F(HttpCacheTest, SimpleGET_CacheSignal_Failure) {
- for (bool use_memory_entry_data : {false, true}) {
- MockHttpCache cache;
- cache.disk_cache()->set_support_in_memory_entry_data(use_memory_entry_data);
- // Prime cache.
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers = "Cache-Control: no-cache\n";
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- RemoveMockTransaction(&transaction);
- // Network failure with error; should fail but have was_cached set.
- transaction.start_return_code = ERR_FAILED;
- AddMockTransaction(&transaction);
- MockHttpRequest request(transaction);
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- int rv = cache.http_cache()->CreateTransaction(DEFAULT_PRIORITY, &trans);
- EXPECT_THAT(rv, IsOk());
- ASSERT_TRUE(trans.get());
- rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- EXPECT_THAT(callback.GetResult(rv), IsError(ERR_FAILED));
- const HttpResponseInfo* response_info = trans->GetResponseInfo();
- ASSERT_TRUE(response_info);
- // If use_memory_entry_data is true, we will not bother opening the entry,
- // and just kick it out, so was_cached will end up false.
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- if (use_memory_entry_data) {
- EXPECT_EQ(false, response_info->was_cached);
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- } else {
- EXPECT_EQ(true, response_info->was_cached);
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- }
- RemoveMockTransaction(&transaction);
- }
- }
- // Tests that if the transaction is destroyed right after setting the
- // cache_entry_status_ as CANT_CONDITIONALIZE, then RecordHistograms should not
- // hit a dcheck.
- TEST_F(HttpCacheTest, RecordHistogramsCantConditionalize) {
- MockHttpCache cache;
- cache.disk_cache()->set_support_in_memory_entry_data(true);
- {
- // Prime cache.
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers = "Cache-Control: no-cache\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- }
- {
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- MockHttpRequest request(transaction);
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- int rv = cache.http_cache()->CreateTransaction(DEFAULT_PRIORITY, &trans);
- EXPECT_THAT(rv, IsOk());
- ASSERT_TRUE(trans.get());
- rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- // Now destroy the transaction so that RecordHistograms gets invoked.
- trans.reset();
- }
- }
- // Confirm if we have an empty cache, a read is marked as network verified.
- TEST_F(HttpCacheTest, SimpleGET_NetworkAccessed_Network) {
- MockHttpCache cache;
- // write to the cache
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(), kSimpleGET_Transaction,
- &response_info);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- EXPECT_TRUE(response_info.network_accessed);
- EXPECT_EQ(CacheEntryStatus::ENTRY_NOT_IN_CACHE,
- response_info.cache_entry_status);
- }
- // Confirm if we have a fresh entry in cache, it isn't marked as
- // network verified.
- TEST_F(HttpCacheTest, SimpleGET_NetworkAccessed_Cache) {
- MockHttpCache cache;
- // Prime cache.
- MockTransaction transaction(kSimpleGET_Transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Re-run transaction; make sure we don't mark the network as accessed.
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response_info);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_FALSE(response_info.network_accessed);
- EXPECT_EQ(CacheEntryStatus::ENTRY_USED, response_info.cache_entry_status);
- }
- TEST_F(HttpCacheTest, SimpleGET_LoadBypassCache) {
- MockHttpCache cache;
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // Force this transaction to write to the cache again.
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_BYPASS_CACHE;
- RecordingNetLogObserver net_log_observer;
- LoadTimingInfo load_timing_info;
- // Write to the cache.
- RunTransactionTestAndGetTiming(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- // Check that the NetLog was filled as expected.
- auto entries = GetFilteredNetLogEntries(net_log_observer);
- EXPECT_EQ(8u, entries.size());
- EXPECT_TRUE(LogContainsBeginEvent(entries, 0,
- NetLogEventType::HTTP_CACHE_GET_BACKEND));
- EXPECT_TRUE(
- LogContainsEndEvent(entries, 1, NetLogEventType::HTTP_CACHE_GET_BACKEND));
- EXPECT_TRUE(LogContainsBeginEvent(entries, 2,
- NetLogEventType::HTTP_CACHE_DOOM_ENTRY));
- EXPECT_TRUE(
- LogContainsEndEvent(entries, 3, NetLogEventType::HTTP_CACHE_DOOM_ENTRY));
- EXPECT_TRUE(LogContainsBeginEvent(entries, 4,
- NetLogEventType::HTTP_CACHE_CREATE_ENTRY));
- EXPECT_TRUE(LogContainsEndEvent(entries, 5,
- NetLogEventType::HTTP_CACHE_CREATE_ENTRY));
- EXPECT_TRUE(LogContainsBeginEvent(entries, 6,
- NetLogEventType::HTTP_CACHE_ADD_TO_ENTRY));
- EXPECT_TRUE(LogContainsEndEvent(entries, 7,
- NetLogEventType::HTTP_CACHE_ADD_TO_ENTRY));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- }
- TEST_F(HttpCacheTest, SimpleGET_LoadBypassCache_Implicit) {
- MockHttpCache cache;
- // write to the cache
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // force this transaction to write to the cache again
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "pragma: no-cache\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, SimpleGET_LoadBypassCache_Implicit2) {
- MockHttpCache cache;
- // write to the cache
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // force this transaction to write to the cache again
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "cache-control: no-cache\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, SimpleGET_LoadValidateCache) {
- MockHttpCache cache;
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // Read from the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // Force this transaction to validate the cache.
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- HttpResponseInfo response_info;
- LoadTimingInfo load_timing_info;
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), &load_timing_info);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- EXPECT_TRUE(response_info.network_accessed);
- TestLoadTimingNetworkRequest(load_timing_info);
- }
- TEST_F(HttpCacheTest, SimpleGET_LoadValidateCache_Implicit) {
- MockHttpCache cache;
- // write to the cache
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // read from the cache
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // force this transaction to validate the cache
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "cache-control: max-age=0\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that |unused_since_prefetch| is updated accordingly (e.g. it is set to
- // true after a prefetch and set back to false when the prefetch is used).
- TEST_F(HttpCacheTest, SimpleGET_UnusedSincePrefetch) {
- MockHttpCache cache;
- HttpResponseInfo response_info;
- // A normal load does not have |unused_since_prefetch| set.
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), kSimpleGET_Transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_FALSE(response_info.unused_since_prefetch);
- EXPECT_FALSE(response_info.was_cached);
- // The prefetch itself does not have |unused_since_prefetch| set.
- MockTransaction prefetch_transaction(kSimpleGET_Transaction);
- prefetch_transaction.load_flags |= LOAD_PREFETCH;
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), prefetch_transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_FALSE(response_info.unused_since_prefetch);
- EXPECT_TRUE(response_info.was_cached);
- // A duplicated prefetch has |unused_since_prefetch| set.
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), prefetch_transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_TRUE(response_info.unused_since_prefetch);
- EXPECT_TRUE(response_info.was_cached);
- // |unused_since_prefetch| is still true after two prefetches in a row.
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), kSimpleGET_Transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_TRUE(response_info.unused_since_prefetch);
- EXPECT_TRUE(response_info.was_cached);
- // The resource has now been used, back to normal behavior.
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), kSimpleGET_Transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_FALSE(response_info.unused_since_prefetch);
- EXPECT_TRUE(response_info.was_cached);
- }
- // Tests that requests made with the LOAD_RESTRICTED_PREFETCH load flag result
- // in HttpResponseInfo entries with the |restricted_prefetch| flag set. Also
- // tests that responses with |restricted_prefetch| flag set can only be used by
- // requests that have the LOAD_CAN_USE_RESTRICTED_PREFETCH load flag.
- TEST_F(HttpCacheTest, SimpleGET_RestrictedPrefetchIsRestrictedUntilReuse) {
- MockHttpCache cache;
- HttpResponseInfo response_info;
- // A normal load does not have |restricted_prefetch| set.
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), kTypicalGET_Transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_FALSE(response_info.restricted_prefetch);
- EXPECT_FALSE(response_info.was_cached);
- EXPECT_TRUE(response_info.network_accessed);
- // A restricted prefetch is marked as |restricted_prefetch|.
- MockTransaction prefetch_transaction(kSimpleGET_Transaction);
- prefetch_transaction.load_flags |= LOAD_PREFETCH;
- prefetch_transaction.load_flags |= LOAD_RESTRICTED_PREFETCH;
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), prefetch_transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_TRUE(response_info.restricted_prefetch);
- EXPECT_FALSE(response_info.was_cached);
- EXPECT_TRUE(response_info.network_accessed);
- // Requests that are marked as able to reuse restricted prefetches can do so
- // correctly. Once it is reused, it is no longer considered as or marked
- // restricted.
- MockTransaction can_use_restricted_prefetch_transaction(
- kSimpleGET_Transaction);
- can_use_restricted_prefetch_transaction.load_flags |=
- LOAD_CAN_USE_RESTRICTED_PREFETCH;
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), can_use_restricted_prefetch_transaction,
- &response_info, NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_TRUE(response_info.restricted_prefetch);
- EXPECT_TRUE(response_info.was_cached);
- EXPECT_FALSE(response_info.network_accessed);
- // Later reuse is still no longer marked restricted.
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), kSimpleGET_Transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_FALSE(response_info.restricted_prefetch);
- EXPECT_TRUE(response_info.was_cached);
- EXPECT_FALSE(response_info.network_accessed);
- }
- TEST_F(HttpCacheTest, SimpleGET_RestrictedPrefetchReuseIsLimited) {
- MockHttpCache cache;
- HttpResponseInfo response_info;
- // A restricted prefetch is marked as |restricted_prefetch|.
- MockTransaction prefetch_transaction(kSimpleGET_Transaction);
- prefetch_transaction.load_flags |= LOAD_PREFETCH;
- prefetch_transaction.load_flags |= LOAD_RESTRICTED_PREFETCH;
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), prefetch_transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_TRUE(response_info.restricted_prefetch);
- EXPECT_FALSE(response_info.was_cached);
- EXPECT_TRUE(response_info.network_accessed);
- // Requests that cannot reuse restricted prefetches fail to do so. The network
- // is accessed and the resulting response is not marked as
- // |restricted_prefetch|.
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), kSimpleGET_Transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_FALSE(response_info.restricted_prefetch);
- EXPECT_FALSE(response_info.was_cached);
- EXPECT_TRUE(response_info.network_accessed);
- // Future requests that are not marked as able to reuse restricted prefetches
- // can use the entry in the cache now, since it has been evicted in favor of
- // an unrestricted one.
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), kSimpleGET_Transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_FALSE(response_info.restricted_prefetch);
- EXPECT_TRUE(response_info.was_cached);
- EXPECT_FALSE(response_info.network_accessed);
- }
- TEST_F(HttpCacheTest, SimpleGET_UnusedSincePrefetchWriteError) {
- MockHttpCache cache;
- HttpResponseInfo response_info;
- // Do a prefetch.
- MockTransaction prefetch_transaction(kSimpleGET_Transaction);
- prefetch_transaction.load_flags |= LOAD_PREFETCH;
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), prefetch_transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- EXPECT_TRUE(response_info.unused_since_prefetch);
- EXPECT_FALSE(response_info.was_cached);
- // Try to use it while injecting a failure on write.
- cache.disk_cache()->set_soft_failures_mask(MockDiskEntry::FAIL_WRITE);
- RunTransactionTestWithResponseInfoAndGetTiming(
- cache.http_cache(), kSimpleGET_Transaction, &response_info,
- NetLogWithSource::Make(NetLogSourceType::NONE), nullptr);
- }
- static void PreserveRequestHeaders_Handler(const HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data) {
- EXPECT_TRUE(request->extra_headers.HasHeader(kExtraHeaderKey));
- }
- // Tests that we don't remove extra headers for simple requests.
- TEST_F(HttpCacheTest, SimpleGET_PreserveRequestHeaders) {
- for (bool use_memory_entry_data : {false, true}) {
- MockHttpCache cache;
- cache.disk_cache()->set_support_in_memory_entry_data(use_memory_entry_data);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.handler = PreserveRequestHeaders_Handler;
- transaction.request_headers = EXTRA_HEADER;
- transaction.response_headers = "Cache-Control: max-age=0\n";
- AddMockTransaction(&transaction);
- // Write, then revalidate the entry.
- RunTransactionTest(cache.http_cache(), transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- // If the backend supports memory entry data, we can figure out that the
- // entry has caching-hostile headers w/o opening it.
- if (use_memory_entry_data) {
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- } else {
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- RemoveMockTransaction(&transaction);
- }
- }
- // Tests that we don't remove extra headers for conditionalized requests.
- TEST_F(HttpCacheTest, ConditionalizedGET_PreserveRequestHeaders) {
- for (bool use_memory_entry_data : {false, true}) {
- MockHttpCache cache;
- // Unlike in SimpleGET_PreserveRequestHeaders, this entry can be
- // conditionalized, so memory hints don't affect behavior.
- cache.disk_cache()->set_support_in_memory_entry_data(use_memory_entry_data);
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), kETagGET_Transaction);
- MockTransaction transaction(kETagGET_Transaction);
- transaction.handler = PreserveRequestHeaders_Handler;
- transaction.request_headers = "If-None-Match: \"foopy\"\r\n" EXTRA_HEADER;
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- }
- TEST_F(HttpCacheTest, SimpleGET_ManyReaders) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 5;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // All requests are waiting for the active entry.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_WAITING_FOR_CACHE, context->trans->GetLoadState());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- // All requests are added to writers.
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(kNumTransactions, cache.GetCountWriterTransactions(cache_key));
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // All requests are between Start and Read, i.e. idle.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_IDLE, context->trans->GetLoadState());
- }
- for (int i = 0; i < kNumTransactions; ++i) {
- auto& c = context_list[i];
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- // After the 1st transaction has completed the response, all transactions
- // get added to readers.
- if (i > 0) {
- EXPECT_FALSE(cache.IsWriterPresent(cache_key));
- EXPECT_EQ(kNumTransactions - i, cache.GetCountReaders(cache_key));
- }
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- }
- // We should not have had to re-open the disk entry
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, RangeGET_FullAfterPartial) {
- MockHttpCache cache;
- // Request a prefix.
- {
- ScopedMockTransaction transaction_pre(kRangeGET_TransactionOK);
- transaction_pre.request_headers = "Range: bytes = 0-9\r\n" EXTRA_HEADER;
- transaction_pre.data = "rg: 00-09 ";
- MockHttpRequest request_pre(transaction_pre);
- HttpResponseInfo response_pre;
- RunTransactionTestWithRequest(cache.http_cache(), transaction_pre,
- request_pre, &response_pre);
- ASSERT_TRUE(response_pre.headers != nullptr);
- EXPECT_EQ(206, response_pre.headers->response_code());
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- {
- // Now request the full thing, but set validation to fail. This would
- // previously fail in the middle of data and truncate it; current behavior
- // restarts it, somewhat wastefully but gets the data back.
- RangeTransactionServer handler;
- handler.set_modified(true);
- ScopedMockTransaction transaction_all(kRangeGET_TransactionOK);
- transaction_all.request_headers = EXTRA_HEADER;
- transaction_all.data = "Not a range";
- MockHttpRequest request_all(transaction_all);
- HttpResponseInfo response_all;
- RunTransactionTestWithRequest(cache.http_cache(), transaction_all,
- request_all, &response_all);
- ASSERT_TRUE(response_all.headers != nullptr);
- EXPECT_EQ(200, response_all.headers->response_code());
- // 1 from previous test, failed validation, and re-try.
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- }
- // Tests that when a range request transaction becomes a writer for the first
- // range and then fails conditionalization for the next range and decides to
- // doom the entry, then there should not be a dcheck assertion hit.
- TEST_F(HttpCacheTest, RangeGET_OverlappingRangesCouldntConditionalize) {
- MockHttpCache cache;
- {
- ScopedMockTransaction transaction_pre(kRangeGET_TransactionOK);
- transaction_pre.request_headers = "Range: bytes = 10-19\r\n" EXTRA_HEADER;
- transaction_pre.data = "rg: 10-19 ";
- MockHttpRequest request_pre(transaction_pre);
- HttpResponseInfo response_pre;
- RunTransactionTestWithRequest(cache.http_cache(), transaction_pre,
- request_pre, &response_pre);
- ASSERT_TRUE(response_pre.headers != nullptr);
- EXPECT_EQ(206, response_pre.headers->response_code());
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- {
- // First range skips validation because the response is fresh while the
- // second range requires validation since that range is not present in the
- // cache and during validation it fails conditionalization.
- cache.FailConditionalizations();
- ScopedMockTransaction transaction_pre(kRangeGET_TransactionOK);
- transaction_pre.request_headers = "Range: bytes = 10-29\r\n" EXTRA_HEADER;
- // TODO(crbug.com/992521): Fix this scenario to not return the cached bytes
- // repeatedly.
- transaction_pre.data = "rg: 10-19 rg: 10-19 rg: 20-29 ";
- MockHttpRequest request_pre(transaction_pre);
- HttpResponseInfo response_pre;
- RunTransactionTestWithRequest(cache.http_cache(), transaction_pre,
- request_pre, &response_pre);
- ASSERT_TRUE(response_pre.headers != nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- }
- TEST_F(HttpCacheTest, RangeGET_FullAfterPartialReuse) {
- MockHttpCache cache;
- // Request a prefix.
- {
- ScopedMockTransaction transaction_pre(kRangeGET_TransactionOK);
- transaction_pre.request_headers = "Range: bytes = 0-9\r\n" EXTRA_HEADER;
- transaction_pre.data = "rg: 00-09 ";
- MockHttpRequest request_pre(transaction_pre);
- HttpResponseInfo response_pre;
- RunTransactionTestWithRequest(cache.http_cache(), transaction_pre,
- request_pre, &response_pre);
- ASSERT_TRUE(response_pre.headers != nullptr);
- EXPECT_EQ(206, response_pre.headers->response_code());
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- {
- // Now request the full thing, revalidating successfully, so the full
- // file gets stored via a sparse-entry.
- ScopedMockTransaction transaction_all(kRangeGET_TransactionOK);
- transaction_all.request_headers = EXTRA_HEADER;
- transaction_all.data =
- "rg: 00-09 rg: 10-19 rg: 20-29 rg: 30-39 rg: 40-49"
- " rg: 50-59 rg: 60-69 rg: 70-79 ";
- MockHttpRequest request_all(transaction_all);
- HttpResponseInfo response_all;
- RunTransactionTestWithRequest(cache.http_cache(), transaction_all,
- request_all, &response_all);
- ASSERT_TRUE(response_all.headers != nullptr);
- EXPECT_EQ(200, response_all.headers->response_code());
- // 1 from previous test, validation, and second chunk
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- {
- // Grab it again, should not need re-validation.
- ScopedMockTransaction transaction_all2(kRangeGET_TransactionOK);
- transaction_all2.request_headers = EXTRA_HEADER;
- transaction_all2.data =
- "rg: 00-09 rg: 10-19 rg: 20-29 rg: 30-39 rg: 40-49"
- " rg: 50-59 rg: 60-69 rg: 70-79 ";
- MockHttpRequest request_all2(transaction_all2);
- HttpResponseInfo response_all2;
- RunTransactionTestWithRequest(cache.http_cache(), transaction_all2,
- request_all2, &response_all2);
- ASSERT_TRUE(response_all2.headers != nullptr);
- EXPECT_EQ(200, response_all2.headers->response_code());
- // Only one more cache open, no new network traffic.
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- }
- // This test verifies that the ConnectedCallback passed to a cache transaction
- // is called once per subrange in the case of a range request with a partial
- // cache hit.
- TEST_F(HttpCacheTest, RangeGET_ConnectedCallbackCalledForEachRange) {
- MockHttpCache cache;
- // Request an infix range and populate the cache with it.
- {
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 20-29\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 20-29 ";
- mock_transaction.transport_info = TestTransportInfo();
- RunTransactionTest(cache.http_cache(), mock_transaction);
- }
- // Request a surrounding range and observe that the callback is called once
- // per subrange, as split up by cache hits.
- {
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 10-39\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 10-19 rg: 20-29 rg: 30-39 ";
- mock_transaction.transport_info = TestTransportInfo();
- MockHttpRequest request(mock_transaction);
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // 1 call for the first range's network transaction.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo()));
- // Switch the endpoint for the next network transaction to observe.
- // For ease, we just switch the port number.
- //
- // NOTE: This works because only the mock transaction struct's address is
- // registered with the mocking framework - the pointee data is consulted
- // each time it is read.
- mock_transaction.transport_info = TestTransportInfoWithPort(123);
- ReadAndVerifyTransaction(transaction.get(), mock_transaction);
- // A second call for the cached range, reported as coming from the original
- // endpoint it was cached from. A third call for the last range's network
- // transaction.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo(), CachedTestTransportInfo(),
- TestTransportInfoWithPort(123)));
- }
- }
- // This test verifies that when the ConnectedCallback passed to a cache range
- // transaction returns an `ERR_INCONSISTENT_IP_ADDRESS_SPACE` error during a
- // partial read from cache, then the cache entry is invalidated.
- TEST_F(HttpCacheTest, RangeGET_ConnectedCallbackReturnInconsistentIpError) {
- MockHttpCache cache;
- // Request an infix range and populate the cache with it.
- {
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 20-29\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 20-29 ";
- mock_transaction.transport_info = TestTransportInfo();
- RunTransactionTest(cache.http_cache(), mock_transaction);
- }
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 10-39\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 10-19 rg: 20-29 rg: 30-39 ";
- mock_transaction.transport_info = TestTransportInfo();
- MockHttpRequest request(mock_transaction);
- // Request a surrounding range. This *should* be read in three parts:
- //
- // 1. for the prefix: from the network
- // 2. for the cached infix: from the cache
- // 3. for the suffix: from the network
- //
- // The connected callback returns OK for 1), but fails during 2). As a result,
- // the transaction fails partway and 3) is never created. The cache entry is
- // invalidated as a result of the specific error code.
- {
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // 1 call for the first range's network transaction.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo()));
- // Set the callback to return an error the next time it is called.
- connected_handler.set_result(ERR_INCONSISTENT_IP_ADDRESS_SPACE);
- std::string content;
- EXPECT_THAT(ReadTransaction(transaction.get(), &content),
- IsError(ERR_INCONSISTENT_IP_ADDRESS_SPACE));
- // A second call that failed.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo(), CachedTestTransportInfo()));
- }
- // Request the same range again, observe that nothing is read from cache.
- {
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- std::string content;
- EXPECT_THAT(ReadTransaction(transaction.get(), &content), IsOk());
- EXPECT_EQ(content, mock_transaction.data);
- // 1 call for the network transaction from which the whole response was
- // read. The first 20 bytes were cached by the previous two requests, but
- // the cache entry was doomed during the last transaction so they are not
- // used here.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo()));
- }
- }
- // This test verifies that when the ConnectedCallback passed to a cache range
- // transaction returns an `ERR_INCONSISTENT_IP_ADDRESS_SPACE` error during a
- // network transaction, then the cache entry is invalidated.
- TEST_F(HttpCacheTest,
- RangeGET_ConnectedCallbackReturnInconsistentIpErrorForNetwork) {
- MockHttpCache cache;
- // Request a prefix range and populate the cache with it.
- {
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 10-19\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 10-19 ";
- mock_transaction.transport_info = TestTransportInfo();
- RunTransactionTest(cache.http_cache(), mock_transaction);
- }
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 10-29\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 10-19 rg: 20-29 ";
- mock_transaction.transport_info = TestTransportInfo();
- MockHttpRequest request(mock_transaction);
- // Request a longer range. This *should* be read in two parts:
- //
- // 1. for the prefix: from the cache
- // 2. for the suffix: from the network
- {
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // 1 call for the first range's network transaction.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo()));
- // Set the callback to return an error the next time it is called.
- connected_handler.set_result(ERR_INCONSISTENT_IP_ADDRESS_SPACE);
- std::string content;
- EXPECT_THAT(ReadTransaction(transaction.get(), &content),
- IsError(ERR_INCONSISTENT_IP_ADDRESS_SPACE));
- // A second call that failed.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo(), TestTransportInfo()));
- }
- // Request the same range again, observe that nothing is read from cache.
- {
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- std::string content;
- EXPECT_THAT(ReadTransaction(transaction.get(), &content), IsOk());
- EXPECT_EQ(content, mock_transaction.data);
- // 1 call for the network transaction from which the whole response was
- // read. The first 20 bytes were cached by the previous two requests, but
- // the cache entry was doomed during the last transaction so they are not
- // used here.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo()));
- }
- }
- // This test verifies that when the ConnectedCallback passed to a cache
- // transaction returns an error for the second (or third) subrange transaction,
- // the overall cache transaction fails with that error. The cache entry is still
- // usable after that.
- TEST_F(HttpCacheTest, RangeGET_ConnectedCallbackReturnErrorSecondTime) {
- MockHttpCache cache;
- // Request an infix range and populate the cache with it.
- {
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 20-29\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 20-29 ";
- mock_transaction.transport_info = TestTransportInfo();
- RunTransactionTest(cache.http_cache(), mock_transaction);
- }
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 10-39\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 10-19 rg: 20-29 rg: 30-39 ";
- mock_transaction.transport_info = TestTransportInfo();
- MockHttpRequest request(mock_transaction);
- // Request a surrounding range. This *should* be read in three parts:
- //
- // 1. for the prefix: from the network
- // 2. for the cached infix: from the cache
- // 3. for the suffix: from the network
- //
- // The connected callback returns OK for 1), but fails during 2). As a result,
- // the transaction fails partway and 3) is never created. The prefix is still
- // cached, such that the cache entry ends up with both the prefix and infix.
- {
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // 1 call for the first range's network transaction.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo()));
- // Set the callback to return an error the next time it is called. The exact
- // error code is irrelevant, what matters is that it is reflected in the
- // overall status of the transaction.
- connected_handler.set_result(ERR_NOT_IMPLEMENTED);
- std::string content;
- EXPECT_THAT(ReadTransaction(transaction.get(), &content),
- IsError(ERR_NOT_IMPLEMENTED));
- // A second call that failed.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(TestTransportInfo(), CachedTestTransportInfo()));
- }
- // Request the same range again, observe that the prefix and infix are both
- // read from cache. Only the suffix is fetched from the network.
- {
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // 1 call for the first range's cache transaction: the first 20 bytes were
- // cached by the previous two requests.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo()));
- std::string content;
- EXPECT_THAT(ReadTransaction(transaction.get(), &content), IsOk());
- EXPECT_EQ(content, mock_transaction.data);
- // A second call from the network transaction for the last 10 bytes.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo(), TestTransportInfo()));
- }
- }
- // This test verifies that the ConnectedCallback passed to a cache transaction
- // is called once per subrange in the case of a range request with a partial
- // cache hit, even when a prefix of the range is cached.
- TEST_F(HttpCacheTest, RangeGET_ConnectedCallbackCalledForEachRangeWithPrefix) {
- MockHttpCache cache;
- // Request a prefix range and populate the cache with it.
- {
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 10-19\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 10-19 ";
- mock_transaction.transport_info = TestTransportInfo();
- RunTransactionTest(cache.http_cache(), mock_transaction);
- }
- // Request a surrounding range and observe that the callback is called once
- // per subrange, as split up by cache hits.
- {
- ScopedMockTransaction mock_transaction(kRangeGET_TransactionOK);
- mock_transaction.request_headers = "Range: bytes = 10-39\r\n" EXTRA_HEADER;
- mock_transaction.data = "rg: 10-19 rg: 20-29 rg: 30-39 ";
- mock_transaction.transport_info = TestTransportInfoWithPort(123);
- MockHttpRequest request(mock_transaction);
- ConnectedHandler connected_handler;
- std::unique_ptr<HttpTransaction> transaction;
- EXPECT_THAT(cache.CreateTransaction(&transaction), IsOk());
- ASSERT_THAT(transaction, NotNull());
- transaction->SetConnectedCallback(connected_handler.Callback());
- TestCompletionCallback callback;
- ASSERT_THAT(
- transaction->Start(&request, callback.callback(), NetLogWithSource()),
- IsError(ERR_IO_PENDING));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- // 1 call for the first range from the cache, reported as coming from the
- // endpoint which initially served the cached range.
- EXPECT_THAT(connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo()));
- ReadAndVerifyTransaction(transaction.get(), mock_transaction);
- // A second call for the last range's network transaction.
- EXPECT_THAT(
- connected_handler.transports(),
- ElementsAre(CachedTestTransportInfo(), TestTransportInfoWithPort(123)));
- }
- }
- // Tests that a range transaction is still usable even if it's unable to access
- // the cache.
- TEST_F(HttpCacheTest, RangeGET_FailedCacheAccess) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- MockHttpRequest request(transaction);
- auto c = std::make_unique<Context>();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- cache.disk_cache()->set_fail_requests(true);
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- EXPECT_FALSE(cache.IsWriterPresent(kRangeGET_TransactionOK.url));
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- c->result = c->callback.WaitForResult();
- ReadAndVerifyTransaction(c->trans.get(), kRangeGET_TransactionOK);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- // Tests that we can have parallel validation on range requests.
- TEST_F(HttpCacheTest, RangeGET_ParallelValidationNoMatch) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- MockHttpRequest request(transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 5;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // All requests are waiting for the active entry.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_WAITING_FOR_CACHE, context->trans->GetLoadState());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- // First entry created is doomed due to 2nd transaction's validation leading
- // to restarting of the queued transactions.
- EXPECT_TRUE(cache.IsWriterPresent(request.CacheKey()));
- // TODO(shivanisha): The restarted transactions race for creating the entry
- // and thus instead of all 4 succeeding, 2 of them succeed. This is very
- // implementation specific and happens because the queued transactions get
- // restarted synchronously and get to the queue of creating the entry before
- // the transaction that is restarting them. Fix the test to make it less
- // vulnerable to any scheduling changes in the code.
- EXPECT_EQ(5, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_IDLE, context->trans->GetLoadState());
- }
- for (int i = 0; i < kNumTransactions; ++i) {
- auto& c = context_list[i];
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- ReadAndVerifyTransaction(c->trans.get(), kRangeGET_TransactionOK);
- }
- EXPECT_EQ(5, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- }
- // Tests that if a transaction is dooming the entry and the entry was doomed by
- // another transaction that was not part of the entry and created a new entry,
- // the new entry should not be incorrectly doomed. (crbug.com/736993)
- TEST_F(HttpCacheTest, RangeGET_ParallelValidationNoMatchDoomEntry) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- MockHttpRequest request(transaction);
- MockTransaction dooming_transaction(kRangeGET_TransactionOK);
- dooming_transaction.load_flags |= LOAD_BYPASS_CACHE;
- MockHttpRequest dooming_request(dooming_transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 3;
- scoped_refptr<MockDiskEntry> first_entry;
- scoped_refptr<MockDiskEntry> second_entry;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- MockHttpRequest* this_request = &request;
- if (i == 2)
- this_request = &dooming_request;
- if (i == 1) {
- ASSERT_TRUE(first_entry);
- first_entry->SetDefer(MockDiskEntry::DEFER_READ);
- }
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- // Continue the transactions. 2nd will pause at the cache reading state and
- // 3rd transaction will doom the entry.
- base::RunLoop().RunUntilIdle();
- std::string cache_key = request.CacheKey();
- // Check status of the first and second entries after every transaction.
- switch (i) {
- case 0:
- first_entry = cache.disk_cache()->GetDiskEntryRef(cache_key);
- break;
- case 1:
- EXPECT_FALSE(first_entry->is_doomed());
- break;
- case 2:
- EXPECT_TRUE(first_entry->is_doomed());
- second_entry = cache.disk_cache()->GetDiskEntryRef(cache_key);
- EXPECT_FALSE(second_entry->is_doomed());
- break;
- }
- }
- // Resume cache read by 1st transaction which will lead to dooming the entry
- // as well since the entry cannot be validated. This double dooming should not
- // lead to an assertion.
- first_entry->ResumeDiskEntryOperation();
- base::RunLoop().RunUntilIdle();
- // Since second_entry is already created, when 1st transaction goes on to
- // create an entry, it will get ERR_CACHE_RACE leading to dooming of
- // second_entry and creation of a third entry.
- EXPECT_TRUE(second_entry->is_doomed());
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_IDLE, context->trans->GetLoadState());
- }
- for (auto& c : context_list) {
- ReadAndVerifyTransaction(c->trans.get(), kRangeGET_TransactionOK);
- }
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- }
- // Same as above but tests that the 2nd transaction does not do anything if
- // there is nothing to doom. (crbug.com/736993)
- TEST_F(HttpCacheTest, RangeGET_ParallelValidationNoMatchDoomEntry1) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- MockHttpRequest request(transaction);
- MockTransaction dooming_transaction(kRangeGET_TransactionOK);
- dooming_transaction.load_flags |= LOAD_BYPASS_CACHE;
- MockHttpRequest dooming_request(dooming_transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 3;
- scoped_refptr<MockDiskEntry> first_entry;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- MockHttpRequest* this_request = &request;
- if (i == 2) {
- this_request = &dooming_request;
- cache.disk_cache()->SetDefer(MockDiskEntry::DEFER_CREATE);
- }
- if (i == 1) {
- ASSERT_TRUE(first_entry);
- first_entry->SetDefer(MockDiskEntry::DEFER_READ);
- }
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- // Continue the transactions. 2nd will pause at the cache reading state and
- // 3rd transaction will doom the entry and pause before creating a new
- // entry.
- base::RunLoop().RunUntilIdle();
- // Check status of the entry after every transaction.
- switch (i) {
- case 0:
- first_entry = cache.disk_cache()->GetDiskEntryRef(request.CacheKey());
- break;
- case 1:
- EXPECT_FALSE(first_entry->is_doomed());
- break;
- case 2:
- EXPECT_TRUE(first_entry->is_doomed());
- break;
- }
- }
- // Resume cache read by 2nd transaction which will lead to dooming the entry
- // as well since the entry cannot be validated. This double dooming should not
- // lead to an assertion.
- first_entry->ResumeDiskEntryOperation();
- base::RunLoop().RunUntilIdle();
- // Resume creation of entry by 3rd transaction.
- cache.disk_cache()->ResumeCacheOperation();
- base::RunLoop().RunUntilIdle();
- // Note that since 3rd transaction's entry is already created but its
- // callback is deferred, MockDiskCache's implementation returns
- // ERR_CACHE_CREATE_FAILURE when 2nd transaction tries to create an entry
- // during that time, leading to it switching over to pass-through mode.
- // Thus the number of entries is 2 below.
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_IDLE, context->trans->GetLoadState());
- }
- for (auto& c : context_list) {
- ReadAndVerifyTransaction(c->trans.get(), kRangeGET_TransactionOK);
- }
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests parallel validation on range requests with non-overlapping ranges.
- TEST_F(HttpCacheTest, RangeGET_ParallelValidationDifferentRanges) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- }
- // Let 1st transaction complete headers phase for ranges 40-49.
- std::string first_read;
- MockHttpRequest request1(transaction);
- {
- auto& c = context_list[0];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request1, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- // Start writing to the cache so that MockDiskEntry::CouldBeSparse() returns
- // true.
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- c->result = c->trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(kBufferSize, cb.GetResult(c->result));
- std::string data_read(buffer->data(), kBufferSize);
- first_read = data_read;
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- // 2nd transaction requests ranges 30-39.
- transaction.request_headers = "Range: bytes = 30-39\r\n" EXTRA_HEADER;
- MockHttpRequest request2(transaction);
- {
- auto& c = context_list[1];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request2, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- std::string cache_key = request2.CacheKey();
- EXPECT_TRUE(cache.IsWriterPresent(cache_key));
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- for (int i = 0; i < kNumTransactions; ++i) {
- auto& c = context_list[i];
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- if (i == 0) {
- ReadRemainingAndVerifyTransaction(c->trans.get(), first_read,
- transaction);
- continue;
- }
- transaction.data = "rg: 30-39 ";
- ReadAndVerifyTransaction(c->trans.get(), transaction);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Fetch from the cache to check that ranges 30-49 have been successfully
- // cached.
- {
- MockTransaction range_transaction(kRangeGET_TransactionOK);
- range_transaction.request_headers = "Range: bytes = 30-49\r\n" EXTRA_HEADER;
- range_transaction.data = "rg: 30-39 rg: 40-49 ";
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), range_transaction,
- &headers);
- Verify206Response(headers, 30, 49);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- context_list.clear();
- }
- // Tests that a request does not create Writers when readers is not empty.
- TEST_F(HttpCacheTest, RangeGET_DoNotCreateWritersWhenReaderExists) {
- MockHttpCache cache;
- // Save a request in the cache so that the next request can become a
- // reader.
- MockTransaction transaction(kRangeGET_Transaction);
- transaction.request_headers = EXTRA_HEADER;
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- // Let this request be a reader since it doesn't need validation as per its
- // load flag.
- transaction.load_flags |= LOAD_SKIP_CACHE_VALIDATION;
- MockHttpRequest request(transaction);
- Context context;
- context.result = cache.CreateTransaction(&context.trans);
- ASSERT_THAT(context.result, IsOk());
- context.result = context.trans->Start(&request, context.callback.callback(),
- NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(1, cache.GetCountReaders(cache_key));
- RemoveMockTransaction(&transaction);
- // A range request should now "not" create Writers while readers is still
- // non-empty.
- MockTransaction range_transaction(kRangeGET_Transaction);
- range_transaction.request_headers = "Range: bytes = 0-9\r\n" EXTRA_HEADER;
- AddMockTransaction(&range_transaction);
- MockHttpRequest range_request(range_transaction);
- Context range_context;
- range_context.result = cache.CreateTransaction(&range_context.trans);
- ASSERT_THAT(range_context.result, IsOk());
- range_context.result = range_context.trans->Start(
- &range_request, range_context.callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.GetCountReaders(cache_key));
- EXPECT_FALSE(cache.IsWriterPresent(cache_key));
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- RemoveMockTransaction(&range_transaction);
- }
- // Tests parallel validation on range requests can be successfully restarted
- // when there is a cache lock timeout.
- TEST_F(HttpCacheTest, RangeGET_ParallelValidationCacheLockTimeout) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- }
- // Let 1st transaction complete headers phase for ranges 40-49.
- std::string first_read;
- MockHttpRequest request1(transaction);
- {
- auto& c = context_list[0];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request1, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- // Start writing to the cache so that MockDiskEntry::CouldBeSparse() returns
- // true.
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- c->result = c->trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(kBufferSize, cb.GetResult(c->result));
- std::string data_read(buffer->data(), kBufferSize);
- first_read = data_read;
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- // Cache lock timeout will lead to dooming the entry since the transaction may
- // have already written the headers.
- cache.SimulateCacheLockTimeoutAfterHeaders();
- // 2nd transaction requests ranges 30-39.
- transaction.request_headers = "Range: bytes = 30-39\r\n" EXTRA_HEADER;
- MockHttpRequest request2(transaction);
- {
- auto& c = context_list[1];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request2, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- EXPECT_EQ(0, cache.GetCountDoneHeadersQueue(request1.CacheKey()));
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- for (int i = 0; i < kNumTransactions; ++i) {
- auto& c = context_list[i];
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- if (i == 0) {
- ReadRemainingAndVerifyTransaction(c->trans.get(), first_read,
- transaction);
- continue;
- }
- transaction.data = "rg: 30-39 ";
- ReadAndVerifyTransaction(c->trans.get(), transaction);
- }
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests a full request and a simultaneous range request and the range request
- // dooms the entry created by the full request due to not being able to
- // conditionalize.
- TEST_F(HttpCacheTest, RangeGET_ParallelValidationCouldntConditionalize) {
- MockHttpCache cache;
- MockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.url = kRangeGET_TransactionOK.url;
- ScopedMockTransaction transaction(mock_transaction);
- // Remove the cache-control and other headers so that the response cannot be
- // conditionalized.
- transaction.response_headers = "";
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- }
- // Let 1st transaction complete headers phase for no range and read some part
- // of the response and write in the cache.
- std::string first_read;
- MockHttpRequest request1(transaction);
- {
- request1.url = GURL(kRangeGET_TransactionOK.url);
- auto& c = context_list[0];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request1, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- c->result = c->trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(kBufferSize, cb.GetResult(c->result));
- std::string data_read(buffer->data(), kBufferSize);
- first_read = data_read;
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- // 2nd transaction requests a range.
- ScopedMockTransaction range_transaction(kRangeGET_TransactionOK);
- range_transaction.request_headers = "Range: bytes = 0-29\r\n" EXTRA_HEADER;
- MockHttpRequest request2(range_transaction);
- {
- auto& c = context_list[1];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request2, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- // The second request would have doomed the 1st entry and created a new entry.
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- for (int i = 0; i < kNumTransactions; ++i) {
- auto& c = context_list[i];
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- if (i == 0) {
- ReadRemainingAndVerifyTransaction(c->trans.get(), first_read,
- transaction);
- continue;
- }
- range_transaction.data = "rg: 00-09 rg: 10-19 rg: 20-29 ";
- ReadAndVerifyTransaction(c->trans.get(), range_transaction);
- }
- context_list.clear();
- }
- // Tests a 200 request and a simultaneous range request where conditionalization
- // is possible.
- TEST_F(HttpCacheTest, RangeGET_ParallelValidationCouldConditionalize) {
- MockHttpCache cache;
- MockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.url = kRangeGET_TransactionOK.url;
- mock_transaction.data = kFullRangeData;
- std::string response_headers_str = base::StrCat(
- {"ETag: StrongOne\n",
- "Content-Length:", base::NumberToString(strlen(kFullRangeData)), "\n"});
- mock_transaction.response_headers = response_headers_str.c_str();
- ScopedMockTransaction transaction(mock_transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- }
- // Let 1st transaction complete headers phase for no range and read some part
- // of the response and write in the cache.
- std::string first_read;
- MockHttpRequest request1(transaction);
- {
- request1.url = GURL(kRangeGET_TransactionOK.url);
- auto& c = context_list[0];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request1, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- c->result = c->trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(kBufferSize, cb.GetResult(c->result));
- std::string data_read(buffer->data(), kBufferSize);
- first_read = data_read;
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- // 2nd transaction requests a range.
- ScopedMockTransaction range_transaction(kRangeGET_TransactionOK);
- range_transaction.request_headers = "Range: bytes = 0-29\r\n" EXTRA_HEADER;
- MockHttpRequest request2(range_transaction);
- {
- auto& c = context_list[1];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request2, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Finish and verify the first request.
- auto& c0 = context_list[0];
- c0->result = c0->callback.WaitForResult();
- ReadRemainingAndVerifyTransaction(c0->trans.get(), first_read, transaction);
- // And the second.
- auto& c1 = context_list[1];
- c1->result = c1->callback.WaitForResult();
- range_transaction.data = "rg: 00-09 rg: 10-19 rg: 20-29 ";
- ReadAndVerifyTransaction(c1->trans.get(), range_transaction);
- context_list.clear();
- }
- // Tests parallel validation on range requests with overlapping ranges.
- TEST_F(HttpCacheTest, RangeGET_ParallelValidationOverlappingRanges) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- }
- // Let 1st transaction complete headers phase for ranges 40-49.
- std::string first_read;
- MockHttpRequest request1(transaction);
- {
- auto& c = context_list[0];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request1, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- // Start writing to the cache so that MockDiskEntry::CouldBeSparse() returns
- // true.
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- c->result = c->trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(kBufferSize, cb.GetResult(c->result));
- std::string data_read(buffer->data(), kBufferSize);
- first_read = data_read;
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- // 2nd transaction requests ranges 30-49.
- transaction.request_headers = "Range: bytes = 30-49\r\n" EXTRA_HEADER;
- MockHttpRequest request2(transaction);
- {
- auto& c = context_list[1];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request2, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- std::string cache_key = request1.CacheKey();
- EXPECT_TRUE(cache.IsWriterPresent(cache_key));
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- // Should have created another transaction for the uncached range.
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- for (int i = 0; i < kNumTransactions; ++i) {
- auto& c = context_list[i];
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- if (i == 0) {
- ReadRemainingAndVerifyTransaction(c->trans.get(), first_read,
- transaction);
- continue;
- }
- transaction.data = "rg: 30-39 rg: 40-49 ";
- ReadAndVerifyTransaction(c->trans.get(), transaction);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Fetch from the cache to check that ranges 30-49 have been successfully
- // cached.
- {
- MockTransaction range_transaction(kRangeGET_TransactionOK);
- range_transaction.request_headers = "Range: bytes = 30-49\r\n" EXTRA_HEADER;
- range_transaction.data = "rg: 30-39 rg: 40-49 ";
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), range_transaction,
- &headers);
- Verify206Response(headers, 30, 49);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests parallel validation on range requests with overlapping ranges and the
- // impact of deleting the writer on transactions that have validated.
- TEST_F(HttpCacheTest, RangeGET_ParallelValidationRestartDoneHeaders) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- }
- // Let 1st transaction complete headers phase for ranges 40-59.
- std::string first_read;
- transaction.request_headers = "Range: bytes = 40-59\r\n" EXTRA_HEADER;
- MockHttpRequest request1(transaction);
- {
- auto& c = context_list[0];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request1, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- // Start writing to the cache so that MockDiskEntry::CouldBeSparse() returns
- // true.
- const int kBufferSize = 10;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- c->result = c->trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(kBufferSize, cb.GetResult(c->result));
- std::string data_read(buffer->data(), kBufferSize);
- first_read = data_read;
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- // 2nd transaction requests ranges 30-59.
- transaction.request_headers = "Range: bytes = 30-59\r\n" EXTRA_HEADER;
- MockHttpRequest request2(transaction);
- {
- auto& c = context_list[1];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request2, c->callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- }
- std::string cache_key = request1.CacheKey();
- EXPECT_TRUE(cache.IsWriterPresent(cache_key));
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Delete the writer transaction.
- context_list[0].reset();
- base::RunLoop().RunUntilIdle();
- transaction.data = "rg: 30-39 rg: 40-49 rg: 50-59 ";
- ReadAndVerifyTransaction(context_list[1]->trans.get(), transaction);
- // Create another network transaction since the 2nd transaction is restarted.
- // 30-39 will be read from network, 40-49 from the cache and 50-59 from the
- // network.
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Fetch from the cache to check that ranges 30-49 have been successfully
- // cached.
- {
- MockTransaction range_transaction(kRangeGET_TransactionOK);
- range_transaction.request_headers = "Range: bytes = 30-49\r\n" EXTRA_HEADER;
- range_transaction.data = "rg: 30-39 rg: 40-49 ";
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), range_transaction,
- &headers);
- Verify206Response(headers, 30, 49);
- }
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // A test of doing a range request to a cached 301 response
- TEST_F(HttpCacheTest, RangeGET_CachedRedirect) {
- RangeTransactionServer handler;
- handler.set_redirect(true);
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 0-\r\n" EXTRA_HEADER;
- transaction.status = "HTTP/1.1 301 Moved Permanently";
- transaction.response_headers = "Location: /elsewhere\nContent-Length:5";
- transaction.data = "12345";
- MockHttpRequest request(transaction);
- TestCompletionCallback callback;
- // Write to the cache.
- {
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_THAT(rv, IsOk());
- const HttpResponseInfo* info = trans->GetResponseInfo();
- ASSERT_TRUE(info);
- EXPECT_EQ(info->headers->response_code(), 301);
- std::string location;
- info->headers->EnumerateHeader(nullptr, "Location", &location);
- EXPECT_EQ(location, "/elsewhere");
- ReadAndVerifyTransaction(trans.get(), transaction);
- }
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Active entries in the cache are not retired synchronously. Make
- // sure the next run hits the MockHttpCache and open_count is
- // correct.
- base::RunLoop().RunUntilIdle();
- // Read from the cache.
- {
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_THAT(rv, IsOk());
- const HttpResponseInfo* info = trans->GetResponseInfo();
- ASSERT_TRUE(info);
- EXPECT_EQ(info->headers->response_code(), 301);
- std::string location;
- info->headers->EnumerateHeader(nullptr, "Location", &location);
- EXPECT_EQ(location, "/elsewhere");
- trans->DoneReading();
- }
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Now read the full body. This normally would not be done for a 301 by
- // higher layers, but e.g. a 500 could hit a further bug here.
- {
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_THAT(rv, IsOk());
- const HttpResponseInfo* info = trans->GetResponseInfo();
- ASSERT_TRUE(info);
- EXPECT_EQ(info->headers->response_code(), 301);
- std::string location;
- info->headers->EnumerateHeader(nullptr, "Location", &location);
- EXPECT_EQ(location, "/elsewhere");
- ReadAndVerifyTransaction(trans.get(), transaction);
- }
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // No extra open since it picks up a previous ActiveEntry.
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // A transaction that fails to validate an entry, while attempting to write
- // the response, should still get data to its consumer even if the attempt to
- // create a new entry fails.
- TEST_F(HttpCacheTest, SimpleGET_ValidationFailureWithCreateFailure) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- request.load_flags |= LOAD_VALIDATE_CACHE;
- std::vector<std::unique_ptr<Context>> context_list;
- // Create and run the first, successful, transaction to prime the cache.
- context_list.push_back(std::make_unique<Context>());
- auto& c1 = context_list.back();
- c1->result = cache.CreateTransaction(&c1->trans);
- ASSERT_THAT(c1->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c1->trans->GetLoadState());
- c1->result =
- c1->trans->Start(&request, c1->callback.callback(), NetLogWithSource());
- EXPECT_EQ(LOAD_STATE_WAITING_FOR_CACHE, c1->trans->GetLoadState());
- base::RunLoop().RunUntilIdle();
- EXPECT_TRUE(cache.IsWriterPresent(request.CacheKey()));
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Create and start the second transaction, which will fail its validation
- // during the call to RunUntilIdle().
- context_list.push_back(std::make_unique<Context>());
- auto& c2 = context_list.back();
- c2->result = cache.CreateTransaction(&c2->trans);
- ASSERT_THAT(c2->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c2->trans->GetLoadState());
- c2->result =
- c2->trans->Start(&request, c2->callback.callback(), NetLogWithSource());
- // Expect idle at this point because we should be able to find and use the
- // Active Entry that c1 created instead of waiting on the cache to open the
- // entry.
- EXPECT_EQ(LOAD_STATE_IDLE, c2->trans->GetLoadState());
- cache.disk_cache()->set_fail_requests(true);
- // The transaction, c2, should now attempt to validate the entry, fail when it
- // receives a 200 OK response, attempt to create a new entry, fail to create,
- // and then continue onward without an entry.
- base::RunLoop().RunUntilIdle();
- // All requests depend on the writer, and the writer is between Start and
- // Read, i.e. idle.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_IDLE, context->trans->GetLoadState());
- }
- // Confirm that both transactions correctly Read() the data.
- for (auto& context : context_list) {
- if (context->result == ERR_IO_PENDING)
- context->result = context->callback.WaitForResult();
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Parallel validation results in 200.
- TEST_F(HttpCacheTest, SimpleGET_ParallelValidationNoMatch) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- request.load_flags |= LOAD_VALIDATE_CACHE;
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 5;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // All requests are waiting for the active entry.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_WAITING_FOR_CACHE, context->trans->GetLoadState());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- // The first request should be a writer at this point, and the subsequent
- // requests should have passed the validation phase and created their own
- // entries since none of them matched the headers of the earlier one.
- EXPECT_TRUE(cache.IsWriterPresent(request.CacheKey()));
- EXPECT_EQ(5, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(5, cache.disk_cache()->create_count());
- // All requests depend on the writer, and the writer is between Start and
- // Read, i.e. idle.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_IDLE, context->trans->GetLoadState());
- }
- for (auto& context : context_list) {
- if (context->result == ERR_IO_PENDING)
- context->result = context->callback.WaitForResult();
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(5, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(5, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, RangeGET_Enormous) {
- // Test for how blockfile's limit on range namespace interacts with
- // HttpCache::Transaction.
- // See https://crbug.com/770694
- base::ScopedTempDir temp_dir;
- ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
- auto backend_factory = std::make_unique<HttpCache::DefaultBackend>(
- DISK_CACHE, CACHE_BACKEND_BLOCKFILE,
- /*file_operations_factory=*/nullptr, temp_dir.GetPath(), 1024 * 1024,
- false);
- MockHttpCache cache(std::move(backend_factory));
- RangeTransactionServer handler;
- handler.set_length(2305843009213693962);
- // Prime with a range it can store.
- {
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 0-9\r\n" EXTRA_HEADER;
- transaction.data = "rg: 00-09 ";
- MockHttpRequest request(transaction);
- HttpResponseInfo response;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- &response);
- ASSERT_TRUE(response.headers != nullptr);
- EXPECT_EQ(206, response.headers->response_code());
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- }
- // Try with a range it can't. Should still work.
- {
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers =
- "Range: bytes = "
- "2305843009213693952-2305843009213693961\r\n" EXTRA_HEADER;
- transaction.data = "rg: 52-61 ";
- MockHttpRequest request(transaction);
- HttpResponseInfo response;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- &response);
- ASSERT_TRUE(response.headers != nullptr);
- EXPECT_EQ(206, response.headers->response_code());
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- }
- // Can't actually cache it due to backend limitations. If the network
- // transaction count is 2, this test isn't covering what it needs to.
- {
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers =
- "Range: bytes = "
- "2305843009213693952-2305843009213693961\r\n" EXTRA_HEADER;
- transaction.data = "rg: 52-61 ";
- MockHttpRequest request(transaction);
- HttpResponseInfo response;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- &response);
- ASSERT_TRUE(response.headers != nullptr);
- EXPECT_EQ(206, response.headers->response_code());
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- }
- }
- // Parallel validation results in 200 for 1 transaction and validation matches
- // for subsequent transactions.
- TEST_F(HttpCacheTest, SimpleGET_ParallelValidationNoMatch1) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- MockHttpRequest validate_request(transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 5;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- MockHttpRequest* this_request = &request;
- if (i == 1)
- this_request = &validate_request;
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // All requests are waiting for the active entry.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_WAITING_FOR_CACHE, context->trans->GetLoadState());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- // The new entry will have all the transactions except the first one which
- // will continue in the doomed entry.
- EXPECT_EQ(kNumTransactions - 1,
- cache.GetCountWriterTransactions(validate_request.CacheKey()));
- EXPECT_EQ(1, cache.disk_cache()->doomed_count());
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_IDLE, context->trans->GetLoadState());
- }
- for (auto& context : context_list) {
- if (context->result == ERR_IO_PENDING)
- context->result = context->callback.WaitForResult();
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that a GET followed by a DELETE results in DELETE immediately starting
- // the headers phase and the entry is doomed.
- TEST_F(HttpCacheTest, SimpleGET_ParallelValidationDelete) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- request.load_flags |= LOAD_VALIDATE_CACHE;
- MockHttpRequest delete_request(kSimpleGET_Transaction);
- delete_request.method = "DELETE";
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- MockHttpRequest* this_request = &request;
- if (i == 1)
- this_request = &delete_request;
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // All requests are waiting for the active entry.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_WAITING_FOR_CACHE, context->trans->GetLoadState());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- // The first request should be a writer at this point, and the subsequent
- // request should have passed the validation phase and doomed the existing
- // entry.
- EXPECT_TRUE(cache.disk_cache()->IsDiskEntryDoomed(request.CacheKey()));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // All requests depend on the writer, and the writer is between Start and
- // Read, i.e. idle.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_IDLE, context->trans->GetLoadState());
- }
- for (auto& context : context_list) {
- if (context->result == ERR_IO_PENDING)
- context->result = context->callback.WaitForResult();
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that a transaction which is in validated queue can be destroyed without
- // any impact to other transactions.
- TEST_F(HttpCacheTest, SimpleGET_ParallelValidationCancelValidated) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE;
- MockHttpRequest read_only_request(transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* current_request = i == 1 ? &read_only_request : &request;
- c->result = c->trans->Start(current_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(1, cache.GetCountWriterTransactions(cache_key));
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- context_list[1].reset();
- EXPECT_EQ(0, cache.GetCountDoneHeadersQueue(cache_key));
- // Complete the rest of the transactions.
- for (auto& context : context_list) {
- if (!context)
- continue;
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that an idle writer transaction can be deleted without impacting the
- // existing writers.
- TEST_F(HttpCacheTest, SimpleGET_ParallelWritingCancelIdleTransaction) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Both transactions would be added to writers.
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(kNumTransactions, cache.GetCountWriterTransactions(cache_key));
- context_list[1].reset();
- EXPECT_EQ(kNumTransactions - 1, cache.GetCountWriterTransactions(cache_key));
- // Complete the rest of the transactions.
- for (auto& context : context_list) {
- if (!context)
- continue;
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that a transaction which is in validated queue can timeout and start
- // the headers phase again.
- TEST_F(HttpCacheTest, SimpleGET_ParallelValidationValidatedTimeout) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE;
- MockHttpRequest read_only_request(transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- MockHttpRequest* this_request = &request;
- if (i == 1) {
- this_request = &read_only_request;
- cache.SimulateCacheLockTimeoutAfterHeaders();
- }
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- // The first request should be a writer at this point, and the subsequent
- // requests should have completed validation, timed out and restarted.
- // Since it is a read only request, it will error out.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_TRUE(cache.IsWriterPresent(cache_key));
- EXPECT_EQ(0, cache.GetCountDoneHeadersQueue(cache_key));
- base::RunLoop().RunUntilIdle();
- int rv = context_list[1]->callback.WaitForResult();
- EXPECT_EQ(ERR_CACHE_MISS, rv);
- ReadAndVerifyTransaction(context_list[0]->trans.get(),
- kSimpleGET_Transaction);
- }
- // Tests that a transaction which is in readers can be destroyed without
- // any impact to other transactions.
- TEST_F(HttpCacheTest, SimpleGET_ParallelValidationCancelReader) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- MockHttpRequest validate_request(transaction);
- int kNumTransactions = 4;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- if (i == 3) {
- this_request = &validate_request;
- c->trans->SetBeforeNetworkStartCallback(base::BindOnce(&DeferCallback));
- }
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(kNumTransactions - 1, cache.GetCountWriterTransactions(cache_key));
- EXPECT_TRUE(cache.IsHeadersTransactionPresent(cache_key));
- // Complete the response body.
- ReadAndVerifyTransaction(context_list[0]->trans.get(),
- kSimpleGET_Transaction);
- // Rest of the transactions should move to readers.
- EXPECT_FALSE(cache.IsWriterPresent(cache_key));
- EXPECT_EQ(kNumTransactions - 2, cache.GetCountReaders(cache_key));
- EXPECT_EQ(0, cache.GetCountDoneHeadersQueue(cache_key));
- EXPECT_TRUE(cache.IsHeadersTransactionPresent(cache_key));
- // Add 2 new transactions.
- kNumTransactions = 6;
- for (int i = 4; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- EXPECT_EQ(2, cache.GetCountAddToEntryQueue(cache_key));
- // Delete a reader.
- context_list[1].reset();
- // Deleting the reader did not impact any other transaction.
- EXPECT_EQ(1, cache.GetCountReaders(cache_key));
- EXPECT_EQ(2, cache.GetCountAddToEntryQueue(cache_key));
- EXPECT_TRUE(cache.IsHeadersTransactionPresent(cache_key));
- // Resume network start for headers_transaction. It will doom the entry as it
- // will be a 200 and will go to network for the response body.
- context_list[3]->trans->ResumeNetworkStart();
- // The pending transactions will be added to a new entry as writers.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(3, cache.GetCountWriterTransactions(cache_key));
- // Complete the rest of the transactions.
- for (int i = 2; i < kNumTransactions; ++i) {
- ReadAndVerifyTransaction(context_list[i]->trans.get(),
- kSimpleGET_Transaction);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that when the only writer goes away, it immediately cleans up rather
- // than wait for the network request to finish. See https://crbug.com/804868.
- TEST_F(HttpCacheTest, SimpleGET_HangingCacheWriteCleanup) {
- MockHttpCache mock_cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- std::unique_ptr<HttpTransaction> transaction;
- mock_cache.CreateTransaction(&transaction);
- TestCompletionCallback callback;
- int result =
- transaction->Start(&request, callback.callback(), NetLogWithSource());
- // Get the transaction ready to read.
- result = callback.GetResult(result);
- // Read the first byte.
- scoped_refptr<IOBuffer> buffer = base::MakeRefCounted<IOBuffer>(1);
- ReleaseBufferCompletionCallback buffer_callback(buffer.get());
- result = transaction->Read(buffer.get(), 1, buffer_callback.callback());
- EXPECT_EQ(1, buffer_callback.GetResult(result));
- // Read the second byte, but leave the cache write hanging.
- std::string cache_key = request.CacheKey();
- scoped_refptr<MockDiskEntry> entry =
- mock_cache.disk_cache()->GetDiskEntryRef(cache_key);
- entry->SetDefer(MockDiskEntry::DEFER_WRITE);
- buffer = base::MakeRefCounted<IOBuffer>(1);
- ReleaseBufferCompletionCallback buffer_callback2(buffer.get());
- result = transaction->Read(buffer.get(), 1, buffer_callback2.callback());
- EXPECT_EQ(ERR_IO_PENDING, result);
- base::RunLoop().RunUntilIdle();
- EXPECT_TRUE(mock_cache.IsWriterPresent(cache_key));
- // At this point the next byte should have been read from the network but is
- // waiting to be written to the cache. Destroy the transaction and make sure
- // that everything has been cleaned up.
- transaction = nullptr;
- EXPECT_FALSE(mock_cache.IsWriterPresent(cache_key));
- EXPECT_FALSE(mock_cache.network_layer()->last_transaction());
- }
- // Tests that a transaction writer can be destroyed mid-read.
- // A waiting for read transaction should be able to read the data that was
- // driven by the Read started by the cancelled writer.
- TEST_F(HttpCacheTest, SimpleGET_ParallelWritingCancelWriter) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- MockHttpRequest validate_request(transaction);
- const int kNumTransactions = 3;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- if (i == 2) {
- this_request = &validate_request;
- c->trans->SetBeforeNetworkStartCallback(base::BindOnce(&DeferCallback));
- }
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = validate_request.CacheKey();
- EXPECT_TRUE(cache.IsHeadersTransactionPresent(cache_key));
- EXPECT_EQ(2, cache.GetCountWriterTransactions(cache_key));
- // Initiate Read from both writers and kill 1 of them mid-read.
- std::string first_read;
- for (int i = 0; i < 2; i++) {
- auto& c = context_list[i];
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- c->result = c->trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(ERR_IO_PENDING, c->result);
- // Deleting one writer at this point will not impact other transactions
- // since writers contain more transactions.
- if (i == 1) {
- context_list[0].reset();
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(kBufferSize, cb.GetResult(c->result));
- std::string data_read(buffer->data(), kBufferSize);
- first_read = data_read;
- }
- }
- // Resume network start for headers_transaction. It will doom the existing
- // entry and create a new entry due to validation returning a 200.
- auto& c = context_list[2];
- c->trans->ResumeNetworkStart();
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.GetCountWriterTransactions(cache_key));
- // Complete the rest of the transactions.
- for (int i = 0; i < kNumTransactions; i++) {
- auto& context = context_list[i];
- if (!context)
- continue;
- if (i == 1)
- ReadRemainingAndVerifyTransaction(context->trans.get(), first_read,
- kSimpleGET_Transaction);
- else
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests the case when network read failure happens. Idle and waiting
- // transactions should fail and headers transaction should be restarted.
- TEST_F(HttpCacheTest, SimpleGET_ParallelWritingNetworkReadFailed) {
- MockHttpCache cache;
- ScopedMockTransaction fail_transaction(kSimpleGET_Transaction);
- fail_transaction.read_return_code = ERR_INTERNET_DISCONNECTED;
- MockHttpRequest failing_request(fail_transaction);
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE;
- MockHttpRequest read_request(transaction);
- const int kNumTransactions = 4;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- if (i == 0)
- this_request = &failing_request;
- if (i == 3)
- this_request = &read_request;
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = read_request.CacheKey();
- EXPECT_EQ(3, cache.GetCountWriterTransactions(cache_key));
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- // Initiate Read from two writers and let the first get a network failure.
- for (int i = 0; i < 2; i++) {
- auto& c = context_list[i];
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- c->result =
- c->trans->Read(buffer.get(), kBufferSize, c->callback.callback());
- EXPECT_EQ(ERR_IO_PENDING, c->result);
- }
- base::RunLoop().RunUntilIdle();
- for (int i = 0; i < 2; i++) {
- auto& c = context_list[i];
- c->result = c->callback.WaitForResult();
- EXPECT_EQ(ERR_INTERNET_DISCONNECTED, c->result);
- }
- // The entry should have been doomed and destroyed and the headers transaction
- // restarted. Since headers transaction is read-only it will error out.
- auto& read_only = context_list[3];
- read_only->result = read_only->callback.WaitForResult();
- EXPECT_EQ(ERR_CACHE_MISS, read_only->result);
- EXPECT_FALSE(cache.IsWriterPresent(cache_key));
- // Invoke Read on the 3rd transaction and it should get the error code back.
- auto& c = context_list[2];
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer = base::MakeRefCounted<IOBuffer>(kBufferSize);
- c->result = c->trans->Read(buffer.get(), kBufferSize, c->callback.callback());
- EXPECT_EQ(ERR_INTERNET_DISCONNECTED, c->result);
- }
- // Tests the case when cache write failure happens. Idle and waiting
- // transactions should fail and headers transaction should be restarted.
- TEST_F(HttpCacheTest, SimpleGET_ParallelWritingCacheWriteFailed) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE;
- MockHttpRequest read_request(transaction);
- const int kNumTransactions = 4;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- if (i == 3)
- this_request = &read_request;
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = read_request.CacheKey();
- EXPECT_EQ(3, cache.GetCountWriterTransactions(cache_key));
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- // Initiate Read from two writers and let the first get a cache write failure.
- cache.disk_cache()->set_soft_failures_mask(MockDiskEntry::FAIL_ALL);
- // We have to open the entry again to propagate the failure flag.
- disk_cache::Entry* en;
- cache.OpenBackendEntry(cache_key, &en);
- en->Close();
- const int kBufferSize = 5;
- std::vector<scoped_refptr<IOBuffer>> buffer(
- 3, base::MakeRefCounted<IOBuffer>(kBufferSize));
- for (int i = 0; i < 2; i++) {
- auto& c = context_list[i];
- c->result =
- c->trans->Read(buffer[i].get(), kBufferSize, c->callback.callback());
- EXPECT_EQ(ERR_IO_PENDING, c->result);
- }
- std::string first_read;
- base::RunLoop().RunUntilIdle();
- for (int i = 0; i < 2; i++) {
- auto& c = context_list[i];
- c->result = c->callback.WaitForResult();
- if (i == 0) {
- EXPECT_EQ(5, c->result);
- std::string data_read(buffer[i]->data(), kBufferSize);
- first_read = data_read;
- } else {
- EXPECT_EQ(ERR_CACHE_WRITE_FAILURE, c->result);
- }
- }
- // The entry should have been doomed and destroyed and the headers transaction
- // restarted. Since headers transaction is read-only it will error out.
- auto& read_only = context_list[3];
- read_only->result = read_only->callback.WaitForResult();
- EXPECT_EQ(ERR_CACHE_MISS, read_only->result);
- EXPECT_FALSE(cache.IsWriterPresent(cache_key));
- // Invoke Read on the 3rd transaction and it should get the error code back.
- auto& c = context_list[2];
- c->result =
- c->trans->Read(buffer[2].get(), kBufferSize, c->callback.callback());
- EXPECT_EQ(ERR_CACHE_WRITE_FAILURE, c->result);
- // The first transaction should be able to continue to read from the network
- // without writing to the cache.
- auto& succ_read = context_list[0];
- ReadRemainingAndVerifyTransaction(succ_read->trans.get(), first_read,
- kSimpleGET_Transaction);
- }
- // Tests that POST requests do not join existing transactions for parallel
- // writing to the cache. Note that two POSTs only map to the same entry if their
- // upload data identifier is same and that should happen for back-forward case
- // (LOAD_ONLY_FROM_CACHE). But this test tests without LOAD_ONLY_FROM_CACHE
- // because read-only transactions anyways do not join parallel writing.
- // TODO(shivanisha) Testing this because it is allowed by the code but looks
- // like the code should disallow two POSTs without LOAD_ONLY_FROM_CACHE with the
- // same upload data identifier to map to the same entry.
- TEST_F(HttpCacheTest, SimplePOST_ParallelWritingDisallowed) {
- MockHttpCache cache;
- MockTransaction transaction(kSimplePOST_Transaction);
- const int64_t kUploadId = 1; // Just a dummy value.
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers),
- kUploadId);
- // Note that both transactions should have the same upload_data_stream
- // identifier to map to the same entry.
- transaction.load_flags = LOAD_SKIP_CACHE_VALIDATION;
- MockHttpRequest request(transaction);
- request.upload_data_stream = &upload_data_stream;
- const int kNumTransactions = 2;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- // Complete the headers phase request.
- base::RunLoop().RunUntilIdle();
- }
- std::string cache_key = request.CacheKey();
- // Only the 1st transaction gets added to writers.
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- EXPECT_EQ(1, cache.GetCountWriterTransactions(cache_key));
- // Read the 1st transaction.
- ReadAndVerifyTransaction(context_list[0]->trans.get(),
- kSimplePOST_Transaction);
- // 2nd transaction should now become a reader.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.GetCountReaders(cache_key));
- EXPECT_EQ(0, cache.GetCountDoneHeadersQueue(cache_key));
- ReadAndVerifyTransaction(context_list[1]->trans.get(),
- kSimplePOST_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- context_list.clear();
- }
- // Tests the case when parallel writing succeeds. Tests both idle and waiting
- // transactions.
- TEST_F(HttpCacheTest, SimpleGET_ParallelWritingSuccess) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE;
- MockHttpRequest read_request(transaction);
- const int kNumTransactions = 4;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- if (i == 3)
- this_request = &read_request;
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(3, cache.GetCountWriterTransactions(cache_key));
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- // Initiate Read from two writers.
- const int kBufferSize = 5;
- std::vector<scoped_refptr<IOBuffer>> buffer(
- 3, base::MakeRefCounted<IOBuffer>(kBufferSize));
- for (int i = 0; i < 2; i++) {
- auto& c = context_list[i];
- c->result =
- c->trans->Read(buffer[i].get(), kBufferSize, c->callback.callback());
- EXPECT_EQ(ERR_IO_PENDING, c->result);
- }
- std::vector<std::string> first_read(2);
- base::RunLoop().RunUntilIdle();
- for (int i = 0; i < 2; i++) {
- auto& c = context_list[i];
- c->result = c->callback.WaitForResult();
- EXPECT_EQ(5, c->result);
- std::string data_read(buffer[i]->data(), kBufferSize);
- first_read[i] = data_read;
- }
- EXPECT_EQ(first_read[0], first_read[1]);
- // The first transaction should be able to continue to read from the network
- // without writing to the cache.
- for (int i = 0; i < 2; i++) {
- auto& c = context_list[i];
- ReadRemainingAndVerifyTransaction(c->trans.get(), first_read[i],
- kSimpleGET_Transaction);
- if (i == 0) {
- // Remaining transactions should now be readers.
- EXPECT_EQ(3, cache.GetCountReaders(cache_key));
- }
- }
- // Verify the rest of the transactions.
- for (int i = 2; i < kNumTransactions; i++) {
- auto& c = context_list[i];
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- }
- context_list.clear();
- }
- // Tests the case when parallel writing involves things bigger than what cache
- // can store. In this case, the best we can do is re-fetch it.
- TEST_F(HttpCacheTest, SimpleGET_ParallelWritingHuge) {
- MockHttpCache cache;
- cache.disk_cache()->set_max_file_size(10);
- MockTransaction transaction(kSimpleGET_Transaction);
- std::string response_headers = base::StrCat(
- {kSimpleGET_Transaction.response_headers, "Content-Length: ",
- base::NumberToString(strlen(kSimpleGET_Transaction.data)), "\n"});
- transaction.response_headers = response_headers.c_str();
- AddMockTransaction(&transaction);
- MockHttpRequest request(transaction);
- const int kNumTransactions = 4;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Start them up.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(1, cache.GetCountWriterTransactions(cache_key));
- EXPECT_EQ(kNumTransactions - 1, cache.GetCountDoneHeadersQueue(cache_key));
- // Initiate Read from first transaction.
- const int kBufferSize = 5;
- std::vector<scoped_refptr<IOBuffer>> buffer(
- kNumTransactions, base::MakeRefCounted<IOBuffer>(kBufferSize));
- auto& c = context_list[0];
- c->result =
- c->trans->Read(buffer[0].get(), kBufferSize, c->callback.callback());
- EXPECT_EQ(ERR_IO_PENDING, c->result);
- // ... and complete it.
- std::vector<std::string> first_read(kNumTransactions);
- base::RunLoop().RunUntilIdle();
- c->result = c->callback.WaitForResult();
- EXPECT_EQ(kBufferSize, c->result);
- std::string data_read(buffer[0]->data(), kBufferSize);
- first_read[0] = data_read;
- EXPECT_EQ("<html", first_read[0]);
- // Complete all of them.
- for (int i = 0; i < kNumTransactions; i++) {
- ReadRemainingAndVerifyTransaction(context_list[i]->trans.get(),
- first_read[i], kSimpleGET_Transaction);
- }
- // Sadly all of them have to hit the network
- EXPECT_EQ(kNumTransactions, cache.network_layer()->transaction_count());
- context_list.clear();
- RemoveMockTransaction(&transaction);
- }
- // Tests that network transaction's info is saved correctly when a writer
- // transaction that created the network transaction becomes a reader. Also
- // verifies that the network bytes are only attributed to the transaction that
- // created the network transaction.
- TEST_F(HttpCacheTest, SimpleGET_ParallelWritingVerifyNetworkBytes) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- const int kNumTransactions = 2;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(2, cache.GetCountWriterTransactions(cache_key));
- EXPECT_EQ(0, cache.GetCountDoneHeadersQueue(cache_key));
- // Get the network bytes read by the first transaction.
- int total_received_bytes = context_list[0]->trans->GetTotalReceivedBytes();
- EXPECT_GT(total_received_bytes, 0);
- // Complete Read by the 2nd transaction so that the 1st transaction that
- // created the network transaction is now a reader.
- ReadAndVerifyTransaction(context_list[1]->trans.get(),
- kSimpleGET_Transaction);
- EXPECT_EQ(1, cache.GetCountReaders(cache_key));
- // Verify that the network bytes read are not attributed to the 2nd
- // transaction but to the 1st.
- EXPECT_EQ(0, context_list[1]->trans->GetTotalReceivedBytes());
- EXPECT_GE(total_received_bytes,
- context_list[0]->trans->GetTotalReceivedBytes());
- ReadAndVerifyTransaction(context_list[0]->trans.get(),
- kSimpleGET_Transaction);
- }
- // Tests than extra Read from the consumer should not hang/crash the browser.
- TEST_F(HttpCacheTest, SimpleGET_ExtraRead) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- Context c;
- c.result = cache.CreateTransaction(&c.trans);
- ASSERT_THAT(c.result, IsOk());
- c.result =
- c.trans->Start(&request, c.callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(1, cache.GetCountWriterTransactions(cache_key));
- EXPECT_EQ(0, cache.GetCountDoneHeadersQueue(cache_key));
- ReadAndVerifyTransaction(c.trans.get(), kSimpleGET_Transaction);
- // Perform an extra Read.
- const int kBufferSize = 10;
- scoped_refptr<IOBuffer> buffer = base::MakeRefCounted<IOBuffer>(kBufferSize);
- c.result = c.trans->Read(buffer.get(), kBufferSize, c.callback.callback());
- EXPECT_EQ(0, c.result);
- }
- // Tests when a writer is destroyed mid-read, all the other writer transactions
- // can continue writing to the entry.
- TEST_F(HttpCacheTest, SimpleGET_ParallelValidationCancelWriter) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers =
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Content-Length: 22\n"
- "Etag: \"foopy\"\n";
- MockHttpRequest request(transaction);
- const int kNumTransactions = 3;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(kNumTransactions, cache.GetCountWriterTransactions(cache_key));
- // Let first transaction read some bytes.
- {
- auto& c = context_list[0];
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- c->result = c->trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(kBufferSize, cb.GetResult(c->result));
- }
- // Deleting the active transaction at this point will not impact the other
- // transactions since there are other transactions in writers.
- context_list[0].reset();
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Complete the rest of the transactions.
- for (auto& context : context_list) {
- if (!context)
- continue;
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- }
- // Tests that when StopCaching is invoked on a writer, dependent transactions
- // are restarted.
- TEST_F(HttpCacheTest, SimpleGET_ParallelValidationStopCaching) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE;
- MockHttpRequest read_only_request(transaction);
- const int kNumTransactions = 2;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- if (i == 1) {
- this_request = &read_only_request;
- }
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(kNumTransactions - 1, cache.GetCountWriterTransactions(cache_key));
- EXPECT_EQ(1, cache.GetCountDoneHeadersQueue(cache_key));
- // Invoking StopCaching on the writer will lead to dooming the entry and
- // restarting the validated transactions. Since it is a read-only transaction
- // it will error out.
- context_list[0]->trans->StopCaching();
- base::RunLoop().RunUntilIdle();
- int rv = context_list[1]->callback.WaitForResult();
- EXPECT_EQ(ERR_CACHE_MISS, rv);
- ReadAndVerifyTransaction(context_list[0]->trans.get(),
- kSimpleGET_Transaction);
- }
- // Tests that when StopCaching is invoked on a writer transaction, it is a
- // no-op if there are other writer transactions.
- TEST_F(HttpCacheTest, SimpleGET_ParallelWritersStopCachingNoOp) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- MockHttpRequest validate_request(transaction);
- const int kNumTransactions = 3;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- if (i == 2) {
- this_request = &validate_request;
- c->trans->SetBeforeNetworkStartCallback(base::BindOnce(&DeferCallback));
- }
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::string cache_key = request.CacheKey();
- EXPECT_TRUE(cache.IsHeadersTransactionPresent(cache_key));
- EXPECT_EQ(kNumTransactions - 1, cache.GetCountWriterTransactions(cache_key));
- // Invoking StopCaching on the writer will be a no-op since there are multiple
- // transaction in writers.
- context_list[0]->trans->StopCaching();
- // Resume network start for headers_transaction.
- auto& c = context_list[2];
- c->trans->ResumeNetworkStart();
- base::RunLoop().RunUntilIdle();
- // After validation old entry will be doomed and headers_transaction will be
- // added to the new entry.
- EXPECT_EQ(1, cache.GetCountWriterTransactions(cache_key));
- // Complete the rest of the transactions.
- for (auto& context : context_list) {
- if (!context)
- continue;
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that a transaction is currently in headers phase and is destroyed
- // leading to destroying the entry.
- TEST_F(HttpCacheTest, SimpleGET_ParallelValidationCancelHeaders) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- const int kNumTransactions = 2;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- if (i == 0)
- c->trans->SetBeforeNetworkStartCallback(base::BindOnce(&DeferCallback));
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- base::RunLoop().RunUntilIdle();
- std::string cache_key = request.CacheKey();
- EXPECT_TRUE(cache.IsHeadersTransactionPresent(cache_key));
- EXPECT_EQ(1, cache.GetCountAddToEntryQueue(cache_key));
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Delete the headers transaction.
- context_list[0].reset();
- base::RunLoop().RunUntilIdle();
- // Complete the rest of the transactions.
- for (auto& context : context_list) {
- if (!context)
- continue;
- ReadAndVerifyTransaction(context->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Similar to the above test, except here cache write fails and the
- // validated transactions should be restarted.
- TEST_F(HttpCacheTest, SimpleGET_ParallelWritersFailWrite) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- const int kNumTransactions = 5;
- std::vector<std::unique_ptr<Context>> context_list;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- auto& c = context_list[i];
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, c->trans->GetLoadState());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // All requests are waiting for the active entry.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_WAITING_FOR_CACHE, context->trans->GetLoadState());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- // All transactions become writers.
- std::string cache_key = request.CacheKey();
- EXPECT_EQ(kNumTransactions, cache.GetCountWriterTransactions(cache_key));
- // All requests depend on the writer, and the writer is between Start and
- // Read, i.e. idle.
- for (auto& context : context_list) {
- EXPECT_EQ(LOAD_STATE_IDLE, context->trans->GetLoadState());
- }
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Fail the request.
- cache.disk_cache()->set_soft_failures_mask(MockDiskEntry::FAIL_ALL);
- // We have to open the entry again to propagate the failure flag.
- disk_cache::Entry* en;
- cache.OpenBackendEntry(cache_key, &en);
- en->Close();
- for (int i = 0; i < kNumTransactions; ++i) {
- auto& c = context_list[i];
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- if (i == 1) {
- // The earlier entry must be destroyed and its disk entry doomed.
- EXPECT_TRUE(cache.disk_cache()->IsDiskEntryDoomed(cache_key));
- }
- if (i == 0) {
- // Consumer gets the response even if cache write failed.
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- } else {
- // Read should lead to a failure being returned.
- const int kBufferSize = 5;
- scoped_refptr<IOBuffer> buffer =
- base::MakeRefCounted<IOBuffer>(kBufferSize);
- ReleaseBufferCompletionCallback cb(buffer.get());
- c->result = c->trans->Read(buffer.get(), kBufferSize, cb.callback());
- EXPECT_EQ(ERR_CACHE_WRITE_FAILURE, cb.GetResult(c->result));
- }
- }
- }
- // This is a test for http://code.google.com/p/chromium/issues/detail?id=4769.
- // If cancelling a request is racing with another request for the same resource
- // finishing, we have to make sure that we remove both transactions from the
- // entry.
- TEST_F(HttpCacheTest, SimpleGET_RacingReaders) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- MockHttpRequest reader_request(kSimpleGET_Transaction);
- reader_request.load_flags = LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 5;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- Context* c = context_list[i].get();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- if (i == 1 || i == 2)
- this_request = &reader_request;
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- // The first request should be a writer at this point, and the subsequent
- // requests should be pending.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- Context* c = context_list[0].get();
- ASSERT_THAT(c->result, IsError(ERR_IO_PENDING));
- c->result = c->callback.WaitForResult();
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- // Now all transactions should be waiting for read to be invoked. Two readers
- // are because of the load flags and remaining two transactions were converted
- // to readers after skipping validation. Note that the remaining two went on
- // to process the headers in parallel with readers present on the entry.
- EXPECT_EQ(LOAD_STATE_IDLE, context_list[2]->trans->GetLoadState());
- EXPECT_EQ(LOAD_STATE_IDLE, context_list[3]->trans->GetLoadState());
- c = context_list[1].get();
- ASSERT_THAT(c->result, IsError(ERR_IO_PENDING));
- c->result = c->callback.WaitForResult();
- if (c->result == OK)
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- // At this point we have one reader, two pending transactions and a task on
- // the queue to move to the next transaction. Now we cancel the request that
- // is the current reader, and expect the queued task to be able to start the
- // next request.
- c = context_list[2].get();
- c->trans.reset();
- for (int i = 3; i < kNumTransactions; ++i) {
- c = context_list[i].get();
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- if (c->result == OK)
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- }
- // We should not have had to re-open the disk entry.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that we can doom an entry with pending transactions and delete one of
- // the pending transactions before the first one completes.
- // See http://code.google.com/p/chromium/issues/detail?id=25588
- TEST_F(HttpCacheTest, SimpleGET_DoomWithPending) {
- // We need simultaneous doomed / not_doomed entries so let's use a real cache.
- MockHttpCache cache(HttpCache::DefaultBackend::InMemory(1024 * 1024));
- MockHttpRequest request(kSimpleGET_Transaction);
- MockHttpRequest writer_request(kSimpleGET_Transaction);
- writer_request.load_flags = LOAD_BYPASS_CACHE;
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 4;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- Context* c = context_list[i].get();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- MockHttpRequest* this_request = &request;
- if (i == 3)
- this_request = &writer_request;
- c->result = c->trans->Start(this_request, c->callback.callback(),
- NetLogWithSource());
- }
- base::RunLoop().RunUntilIdle();
- // The first request should be a writer at this point, and the two subsequent
- // requests should be pending. The last request doomed the first entry.
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- // Cancel the second transaction. Note that this and the 3rd transactions
- // would have completed their headers phase and would be waiting in the
- // done_headers_queue when the 2nd transaction is cancelled.
- context_list[1].reset();
- for (int i = 0; i < kNumTransactions; ++i) {
- if (i == 1)
- continue;
- Context* c = context_list[i].get();
- ASSERT_THAT(c->result, IsError(ERR_IO_PENDING));
- c->result = c->callback.WaitForResult();
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- }
- }
- TEST_F(HttpCacheTest, DoomDoesNotSetHints) {
- // Test that a doomed writer doesn't set in-memory index hints.
- MockHttpCache cache;
- cache.disk_cache()->set_support_in_memory_entry_data(true);
- // Request 1 is a normal one to a no-cache/no-etag resource, to potentially
- // set a "this is unvalidatable" hint in the cache. We also need it to
- // actually write out to the doomed entry after request 2 does its thing,
- // so its transaction is paused.
- MockTransaction no_cache_transaction(kSimpleGET_Transaction);
- no_cache_transaction.response_headers = "Cache-Control: no-cache\n";
- AddMockTransaction(&no_cache_transaction);
- MockHttpRequest request1(no_cache_transaction);
- Context c1;
- c1.result = cache.CreateTransaction(&c1.trans);
- ASSERT_THAT(c1.result, IsOk());
- c1.trans->SetBeforeNetworkStartCallback(
- base::BindOnce([](bool* defer) { *defer = true; }));
- c1.result =
- c1.trans->Start(&request1, c1.callback.callback(), NetLogWithSource());
- ASSERT_THAT(c1.result, IsError(ERR_IO_PENDING));
- // It starts, copies over headers info, but doesn't get to proceed.
- base::RunLoop().RunUntilIdle();
- RemoveMockTransaction(&no_cache_transaction);
- // Request 2 sets LOAD_BYPASS_CACHE to force the first one to be doomed ---
- // it'll want to be a writer.
- MockHttpRequest request2(kSimpleGET_Transaction);
- request2.load_flags = LOAD_BYPASS_CACHE;
- Context c2;
- c2.result = cache.CreateTransaction(&c2.trans);
- ASSERT_THAT(c2.result, IsOk());
- c2.result =
- c2.trans->Start(&request2, c2.callback.callback(), NetLogWithSource());
- ASSERT_THAT(c2.result, IsError(ERR_IO_PENDING));
- // Run Request2, then let the first one wrap up.
- base::RunLoop().RunUntilIdle();
- c2.callback.WaitForResult();
- ReadAndVerifyTransaction(c2.trans.get(), kSimpleGET_Transaction);
- c1.trans->ResumeNetworkStart();
- c1.callback.WaitForResult();
- ReadAndVerifyTransaction(c1.trans.get(), no_cache_transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- // Request 3 tries to read from cache, and it should successfully do so. It's
- // run after the previous two transactions finish so it doesn't try to
- // cooperate with them, and is entirely driven by the state of the cache.
- MockHttpRequest request3(kSimpleGET_Transaction);
- Context context3;
- context3.result = cache.CreateTransaction(&context3.trans);
- ASSERT_THAT(context3.result, IsOk());
- context3.result = context3.trans->Start(
- &request3, context3.callback.callback(), NetLogWithSource());
- base::RunLoop().RunUntilIdle();
- ASSERT_THAT(context3.result, IsError(ERR_IO_PENDING));
- context3.result = context3.callback.WaitForResult();
- ReadAndVerifyTransaction(context3.trans.get(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // This is a test for http://code.google.com/p/chromium/issues/detail?id=4731.
- // We may attempt to delete an entry synchronously with the act of adding a new
- // transaction to said entry.
- TEST_F(HttpCacheTest, FastNoStoreGET_DoneWithPending) {
- MockHttpCache cache;
- // The headers will be served right from the call to Start() the request.
- MockHttpRequest request(kFastNoStoreGET_Transaction);
- FastTransactionServer request_handler;
- AddMockTransaction(&kFastNoStoreGET_Transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 3;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- Context* c = context_list[i].get();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- base::RunLoop().RunUntilIdle();
- // The first request should be a writer at this point, and the subsequent
- // requests should have completed validation. Since the validation does not
- // result in a match, a new entry would be created.
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- // Now, make sure that the second request asks for the entry not to be stored.
- request_handler.set_no_store(true);
- for (int i = 0; i < kNumTransactions; ++i) {
- Context* c = context_list[i].get();
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- ReadAndVerifyTransaction(c->trans.get(), kFastNoStoreGET_Transaction);
- context_list[i].reset();
- }
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kFastNoStoreGET_Transaction);
- }
- TEST_F(HttpCacheTest, SimpleGET_ManyWriters_CancelFirst) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 2;
- for (int i = 0; i < kNumTransactions; ++i) {
- context_list.push_back(std::make_unique<Context>());
- Context* c = context_list[i].get();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // Allow all requests to move from the Create queue to the active entry.
- // All would have been added to writers.
- base::RunLoop().RunUntilIdle();
- std::string cache_key =
- *cache.http_cache()->GenerateCacheKeyForRequest(&request);
- EXPECT_EQ(kNumTransactions, cache.GetCountWriterTransactions(cache_key));
- // The second transaction skipped validation, thus only one network
- // transaction is created.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- for (int i = 0; i < kNumTransactions; ++i) {
- Context* c = context_list[i].get();
- if (c->result == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- // Destroy only the first transaction.
- // This should not impact the other writer transaction and the network
- // transaction will continue to be used by that transaction.
- if (i == 0) {
- context_list[i].reset();
- }
- }
- // Complete the rest of the transactions.
- for (int i = 1; i < kNumTransactions; ++i) {
- Context* c = context_list[i].get();
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- }
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that we can cancel requests that are queued waiting to open the disk
- // cache entry.
- TEST_F(HttpCacheTest, SimpleGET_ManyWriters_CancelCreate) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 5;
- for (int i = 0; i < kNumTransactions; i++) {
- context_list.push_back(std::make_unique<Context>());
- Context* c = context_list[i].get();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // The first request should be creating the disk cache entry and the others
- // should be pending.
- EXPECT_EQ(0, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Cancel a request from the pending queue.
- context_list[3].reset();
- // Cancel the request that is creating the entry. This will force the pending
- // operations to restart.
- context_list[0].reset();
- // Complete the rest of the transactions.
- for (int i = 1; i < kNumTransactions; i++) {
- Context* c = context_list[i].get();
- if (c) {
- c->result = c->callback.GetResult(c->result);
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- }
- }
- // We should have had to re-create the disk entry.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we can cancel a single request to open a disk cache entry.
- TEST_F(HttpCacheTest, SimpleGET_CancelCreate) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- auto c = std::make_unique<Context>();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_THAT(c->result, IsError(ERR_IO_PENDING));
- // Release the reference that the mock disk cache keeps for this entry, so
- // that we test that the http cache handles the cancellation correctly.
- cache.disk_cache()->ReleaseAll();
- c.reset();
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that we delete/create entries even if multiple requests are queued.
- TEST_F(HttpCacheTest, SimpleGET_ManyWriters_BypassCache) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- request.load_flags = LOAD_BYPASS_CACHE;
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 5;
- for (int i = 0; i < kNumTransactions; i++) {
- context_list.push_back(std::make_unique<Context>());
- Context* c = context_list[i].get();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // The first request should be deleting the disk cache entry and the others
- // should be pending.
- EXPECT_EQ(0, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- // Complete the transactions.
- for (int i = 0; i < kNumTransactions; i++) {
- Context* c = context_list[i].get();
- c->result = c->callback.GetResult(c->result);
- ReadAndVerifyTransaction(c->trans.get(), kSimpleGET_Transaction);
- }
- // We should have had to re-create the disk entry multiple times.
- EXPECT_EQ(5, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(5, cache.disk_cache()->create_count());
- }
- // Tests that a (simulated) timeout allows transactions waiting on the cache
- // lock to continue.
- TEST_F(HttpCacheTest, SimpleGET_WriterTimeout) {
- MockHttpCache cache;
- cache.SimulateCacheLockTimeout();
- MockHttpRequest request(kSimpleGET_Transaction);
- Context c1, c2;
- ASSERT_THAT(cache.CreateTransaction(&c1.trans), IsOk());
- ASSERT_EQ(ERR_IO_PENDING, c1.trans->Start(&request, c1.callback.callback(),
- NetLogWithSource()));
- ASSERT_THAT(cache.CreateTransaction(&c2.trans), IsOk());
- ASSERT_EQ(ERR_IO_PENDING, c2.trans->Start(&request, c2.callback.callback(),
- NetLogWithSource()));
- // The second request is queued after the first one.
- c2.callback.WaitForResult();
- ReadAndVerifyTransaction(c2.trans.get(), kSimpleGET_Transaction);
- // Complete the first transaction.
- c1.callback.WaitForResult();
- ReadAndVerifyTransaction(c1.trans.get(), kSimpleGET_Transaction);
- }
- // Tests that a (simulated) timeout allows transactions waiting on the cache
- // lock to continue but read only transactions to error out.
- TEST_F(HttpCacheTest, SimpleGET_WriterTimeoutReadOnlyError) {
- MockHttpCache cache;
- // Simulate timeout.
- cache.SimulateCacheLockTimeout();
- MockHttpRequest request(kSimpleGET_Transaction);
- Context c1, c2;
- ASSERT_THAT(cache.CreateTransaction(&c1.trans), IsOk());
- ASSERT_EQ(ERR_IO_PENDING, c1.trans->Start(&request, c1.callback.callback(),
- NetLogWithSource()));
- request.load_flags = LOAD_ONLY_FROM_CACHE;
- ASSERT_THAT(cache.CreateTransaction(&c2.trans), IsOk());
- ASSERT_EQ(ERR_IO_PENDING, c2.trans->Start(&request, c2.callback.callback(),
- NetLogWithSource()));
- // The second request is queued after the first one.
- int res = c2.callback.WaitForResult();
- ASSERT_EQ(ERR_CACHE_MISS, res);
- // Complete the first transaction.
- c1.callback.WaitForResult();
- ReadAndVerifyTransaction(c1.trans.get(), kSimpleGET_Transaction);
- }
- TEST_F(HttpCacheTest, SimpleGET_AbandonedCacheRead) {
- MockHttpCache cache;
- // write to the cache
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- MockHttpRequest request(kSimpleGET_Transaction);
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_THAT(rv, IsOk());
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(256);
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- // Test that destroying the transaction while it is reading from the cache
- // works properly.
- trans.reset();
- // Make sure we pump any pending events, which should include a call to
- // HttpCache::Transaction::OnCacheReadCompleted.
- base::RunLoop().RunUntilIdle();
- }
- // Tests that we can delete the HttpCache and deal with queued transactions
- // ("waiting for the backend" as opposed to Active or Doomed entries).
- TEST_F(HttpCacheTest, SimpleGET_ManyWriters_DeleteCache) {
- auto cache = std::make_unique<MockHttpCache>(
- std::make_unique<MockBackendNoCbFactory>());
- MockHttpRequest request(kSimpleGET_Transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 5;
- for (int i = 0; i < kNumTransactions; i++) {
- context_list.push_back(std::make_unique<Context>());
- Context* c = context_list[i].get();
- c->result = cache->CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->result =
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- }
- // The first request should be creating the disk cache entry and the others
- // should be pending.
- EXPECT_EQ(0, cache->network_layer()->transaction_count());
- EXPECT_EQ(0, cache->disk_cache()->open_count());
- EXPECT_EQ(0, cache->disk_cache()->create_count());
- cache.reset();
- }
- // Tests that we queue requests when initializing the backend.
- TEST_F(HttpCacheTest, SimpleGET_WaitForBackend) {
- auto factory = std::make_unique<MockBlockingBackendFactory>();
- MockBlockingBackendFactory* factory_ptr = factory.get();
- MockHttpCache cache(std::move(factory));
- MockHttpRequest request0(kSimpleGET_Transaction);
- MockHttpRequest request1(kTypicalGET_Transaction);
- MockHttpRequest request2(kETagGET_Transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 3;
- for (int i = 0; i < kNumTransactions; i++) {
- context_list.push_back(std::make_unique<Context>());
- Context* c = context_list[i].get();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- }
- context_list[0]->result = context_list[0]->trans->Start(
- &request0, context_list[0]->callback.callback(), NetLogWithSource());
- context_list[1]->result = context_list[1]->trans->Start(
- &request1, context_list[1]->callback.callback(), NetLogWithSource());
- context_list[2]->result = context_list[2]->trans->Start(
- &request2, context_list[2]->callback.callback(), NetLogWithSource());
- // Just to make sure that everything is still pending.
- base::RunLoop().RunUntilIdle();
- // The first request should be creating the disk cache.
- EXPECT_FALSE(context_list[0]->callback.have_result());
- factory_ptr->FinishCreation();
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- for (int i = 0; i < kNumTransactions; ++i) {
- EXPECT_TRUE(context_list[i]->callback.have_result());
- context_list[i].reset();
- }
- }
- // Tests that we can cancel requests that are queued waiting for the backend
- // to be initialized.
- TEST_F(HttpCacheTest, SimpleGET_WaitForBackend_CancelCreate) {
- auto factory = std::make_unique<MockBlockingBackendFactory>();
- MockBlockingBackendFactory* factory_ptr = factory.get();
- MockHttpCache cache(std::move(factory));
- MockHttpRequest request0(kSimpleGET_Transaction);
- MockHttpRequest request1(kTypicalGET_Transaction);
- MockHttpRequest request2(kETagGET_Transaction);
- std::vector<std::unique_ptr<Context>> context_list;
- const int kNumTransactions = 3;
- for (int i = 0; i < kNumTransactions; i++) {
- context_list.push_back(std::make_unique<Context>());
- Context* c = context_list[i].get();
- c->result = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- }
- context_list[0]->result = context_list[0]->trans->Start(
- &request0, context_list[0]->callback.callback(), NetLogWithSource());
- context_list[1]->result = context_list[1]->trans->Start(
- &request1, context_list[1]->callback.callback(), NetLogWithSource());
- context_list[2]->result = context_list[2]->trans->Start(
- &request2, context_list[2]->callback.callback(), NetLogWithSource());
- // Just to make sure that everything is still pending.
- base::RunLoop().RunUntilIdle();
- // The first request should be creating the disk cache.
- EXPECT_FALSE(context_list[0]->callback.have_result());
- // Cancel a request from the pending queue.
- context_list[1].reset();
- // Cancel the request that is creating the entry.
- context_list[0].reset();
- // Complete the last transaction.
- factory_ptr->FinishCreation();
- context_list[2]->result =
- context_list[2]->callback.GetResult(context_list[2]->result);
- ReadAndVerifyTransaction(context_list[2]->trans.get(), kETagGET_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that we can delete the HttpCache while creating the backend.
- TEST_F(HttpCacheTest, DeleteCacheWaitingForBackend) {
- auto factory = std::make_unique<MockBlockingBackendFactory>();
- MockBlockingBackendFactory* factory_ptr = factory.get();
- auto cache = std::make_unique<MockHttpCache>(std::move(factory));
- MockHttpRequest request(kSimpleGET_Transaction);
- auto c = std::make_unique<Context>();
- c->result = cache->CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- // Just to make sure that everything is still pending.
- base::RunLoop().RunUntilIdle();
- // The request should be creating the disk cache.
- EXPECT_FALSE(c->callback.have_result());
- // Manually arrange for completion to happen after ~HttpCache.
- // This can't be done via FinishCreation() since that's in `factory`, and
- // that's owned by `cache`.
- disk_cache::BackendResultCallback callback = factory_ptr->ReleaseCallback();
- cache.reset();
- base::RunLoop().RunUntilIdle();
- // Simulate the backend completion callback running now the HttpCache is gone.
- std::move(callback).Run(disk_cache::BackendResult::MakeError(ERR_ABORTED));
- }
- // Tests that we can delete the cache while creating the backend, from within
- // one of the callbacks.
- TEST_F(HttpCacheTest, DeleteCacheWaitingForBackend2) {
- auto factory = std::make_unique<MockBlockingBackendFactory>();
- MockBlockingBackendFactory* factory_ptr = factory.get();
- auto cache = std::make_unique<MockHttpCache>(std::move(factory));
- auto* cache_ptr = cache.get();
- DeleteCacheCompletionCallback cb(std::move(cache));
- disk_cache::Backend* backend;
- int rv = cache_ptr->http_cache()->GetBackend(&backend, cb.callback());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- // Now let's queue a regular transaction
- MockHttpRequest request(kSimpleGET_Transaction);
- auto c = std::make_unique<Context>();
- c->result = cache_ptr->CreateTransaction(&c->trans);
- ASSERT_THAT(c->result, IsOk());
- c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- // And another direct backend request.
- TestCompletionCallback cb2;
- rv = cache_ptr->http_cache()->GetBackend(&backend, cb2.callback());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- // Just to make sure that everything is still pending.
- base::RunLoop().RunUntilIdle();
- // The request should be queued.
- EXPECT_FALSE(c->callback.have_result());
- // Generate the callback.
- factory_ptr->FinishCreation();
- rv = cb.WaitForResult();
- // The cache should be gone by now.
- base::RunLoop().RunUntilIdle();
- EXPECT_THAT(c->callback.GetResult(c->result), IsOk());
- EXPECT_FALSE(cb2.have_result());
- }
- TEST_F(HttpCacheTest, TypicalGET_ConditionalRequest) {
- MockHttpCache cache;
- // write to the cache
- RunTransactionTest(cache.http_cache(), kTypicalGET_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Get the same URL again, but this time we expect it to result
- // in a conditional request.
- LoadTimingInfo load_timing_info;
- RunTransactionTestAndGetTiming(cache.http_cache(), kTypicalGET_Transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- }
- static void ETagGet_ConditionalRequest_Handler(const HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data) {
- EXPECT_TRUE(
- request->extra_headers.HasHeader(HttpRequestHeaders::kIfNoneMatch));
- response_status->assign("HTTP/1.1 304 Not Modified");
- response_headers->assign(kETagGET_Transaction.response_headers);
- response_data->clear();
- }
- TEST_F(HttpCacheTest, ETagGET_ConditionalRequest_304) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kETagGET_Transaction);
- // write to the cache
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Get the same URL again, but this time we expect it to result
- // in a conditional request.
- transaction.load_flags = LOAD_VALIDATE_CACHE;
- transaction.handler = ETagGet_ConditionalRequest_Handler;
- LoadTimingInfo load_timing_info;
- IPEndPoint remote_endpoint;
- RunTransactionTestAndGetTimingAndConnectedSocketAddress(
- cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE), &load_timing_info,
- &remote_endpoint);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- EXPECT_FALSE(remote_endpoint.address().empty());
- }
- class RevalidationServer {
- public:
- RevalidationServer() {
- s_etag_used_ = false;
- s_last_modified_used_ = false;
- }
- bool EtagUsed() { return s_etag_used_; }
- bool LastModifiedUsed() { return s_last_modified_used_; }
- static void Handler(const HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data);
- private:
- static bool s_etag_used_;
- static bool s_last_modified_used_;
- };
- bool RevalidationServer::s_etag_used_ = false;
- bool RevalidationServer::s_last_modified_used_ = false;
- void RevalidationServer::Handler(const HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data) {
- if (request->extra_headers.HasHeader(HttpRequestHeaders::kIfNoneMatch))
- s_etag_used_ = true;
- if (request->extra_headers.HasHeader(HttpRequestHeaders::kIfModifiedSince)) {
- s_last_modified_used_ = true;
- }
- if (s_etag_used_ || s_last_modified_used_) {
- response_status->assign("HTTP/1.1 304 Not Modified");
- response_headers->assign(kTypicalGET_Transaction.response_headers);
- response_data->clear();
- } else {
- response_status->assign(kTypicalGET_Transaction.status);
- response_headers->assign(kTypicalGET_Transaction.response_headers);
- response_data->assign(kTypicalGET_Transaction.data);
- }
- }
- // Tests revalidation after a vary match.
- TEST_F(HttpCacheTest, GET_ValidateCache_VaryMatch) {
- MockHttpCache cache;
- // Write to the cache.
- MockTransaction transaction(kTypicalGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n";
- transaction.response_headers =
- "Date: Wed, 28 Nov 2007 09:40:09 GMT\n"
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=0\n"
- "Vary: Foo\n";
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- // Read from the cache.
- RevalidationServer server;
- transaction.handler = server.Handler;
- LoadTimingInfo load_timing_info;
- RunTransactionTestAndGetTiming(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- EXPECT_TRUE(server.EtagUsed());
- EXPECT_TRUE(server.LastModifiedUsed());
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&transaction);
- }
- // Tests revalidation after a vary mismatch if etag is present.
- TEST_F(HttpCacheTest, GET_ValidateCache_VaryMismatch) {
- MockHttpCache cache;
- // Write to the cache.
- MockTransaction transaction(kTypicalGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n";
- transaction.response_headers =
- "Date: Wed, 28 Nov 2007 09:40:09 GMT\n"
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=0\n"
- "Vary: Foo\n";
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- // Read from the cache and revalidate the entry.
- RevalidationServer server;
- transaction.handler = server.Handler;
- transaction.request_headers = "Foo: none\r\n";
- LoadTimingInfo load_timing_info;
- RunTransactionTestAndGetTiming(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- EXPECT_TRUE(server.EtagUsed());
- EXPECT_FALSE(server.LastModifiedUsed());
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&transaction);
- }
- // Tests revalidation after a vary mismatch due to vary: * if etag is present.
- TEST_F(HttpCacheTest, GET_ValidateCache_VaryMismatchStar) {
- MockHttpCache cache;
- // Write to the cache.
- MockTransaction transaction(kTypicalGET_Transaction);
- transaction.response_headers =
- "Date: Wed, 28 Nov 2007 09:40:09 GMT\n"
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=0\n"
- "Vary: *\n";
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- // Read from the cache and revalidate the entry.
- RevalidationServer server;
- transaction.handler = server.Handler;
- LoadTimingInfo load_timing_info;
- RunTransactionTestAndGetTiming(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- EXPECT_TRUE(server.EtagUsed());
- EXPECT_FALSE(server.LastModifiedUsed());
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&transaction);
- }
- // Tests lack of revalidation after a vary mismatch and no etag.
- TEST_F(HttpCacheTest, GET_DontValidateCache_VaryMismatch) {
- MockHttpCache cache;
- // Write to the cache.
- MockTransaction transaction(kTypicalGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n";
- transaction.response_headers =
- "Date: Wed, 28 Nov 2007 09:40:09 GMT\n"
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Cache-Control: max-age=0\n"
- "Vary: Foo\n";
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- // Read from the cache and don't revalidate the entry.
- RevalidationServer server;
- transaction.handler = server.Handler;
- transaction.request_headers = "Foo: none\r\n";
- LoadTimingInfo load_timing_info;
- RunTransactionTestAndGetTiming(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE),
- &load_timing_info);
- EXPECT_FALSE(server.EtagUsed());
- EXPECT_FALSE(server.LastModifiedUsed());
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&transaction);
- }
- // Tests that a new vary header provided when revalidating an entry is saved.
- TEST_F(HttpCacheTest, GET_ValidateCache_VaryMatch_UpdateVary) {
- MockHttpCache cache;
- // Write to the cache.
- ScopedMockTransaction transaction(kTypicalGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n Name: bar\r\n";
- transaction.response_headers =
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=0\n"
- "Vary: Foo\n";
- RunTransactionTest(cache.http_cache(), transaction);
- // Validate the entry and change the vary field in the response.
- transaction.request_headers = "Foo: bar\r\n Name: none\r\n";
- transaction.status = "HTTP/1.1 304 Not Modified";
- transaction.response_headers =
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=3600\n"
- "Vary: Name\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that the ActiveEntry is gone.
- base::RunLoop().RunUntilIdle();
- // Generate a vary mismatch.
- transaction.request_headers = "Foo: bar\r\n Name: bar\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that new request headers causing a vary mismatch are paired with the
- // new response when the server says the old response can be used.
- TEST_F(HttpCacheTest, GET_ValidateCache_VaryMismatch_UpdateRequestHeader) {
- MockHttpCache cache;
- // Write to the cache.
- ScopedMockTransaction transaction(kTypicalGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n";
- transaction.response_headers =
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=3600\n"
- "Vary: Foo\n";
- RunTransactionTest(cache.http_cache(), transaction);
- // Vary-mismatch validation receives 304.
- transaction.request_headers = "Foo: none\r\n";
- transaction.status = "HTTP/1.1 304 Not Modified";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that the ActiveEntry is gone.
- base::RunLoop().RunUntilIdle();
- // Generate a vary mismatch.
- transaction.request_headers = "Foo: bar\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that a 304 without vary headers doesn't delete the previously stored
- // vary data after a vary match revalidation.
- TEST_F(HttpCacheTest, GET_ValidateCache_VaryMatch_DontDeleteVary) {
- MockHttpCache cache;
- // Write to the cache.
- ScopedMockTransaction transaction(kTypicalGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n";
- transaction.response_headers =
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=0\n"
- "Vary: Foo\n";
- RunTransactionTest(cache.http_cache(), transaction);
- // Validate the entry and remove the vary field in the response.
- transaction.status = "HTTP/1.1 304 Not Modified";
- transaction.response_headers =
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=3600\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that the ActiveEntry is gone.
- base::RunLoop().RunUntilIdle();
- // Generate a vary mismatch.
- transaction.request_headers = "Foo: none\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that a 304 without vary headers doesn't delete the previously stored
- // vary data after a vary mismatch.
- TEST_F(HttpCacheTest, GET_ValidateCache_VaryMismatch_DontDeleteVary) {
- MockHttpCache cache;
- // Write to the cache.
- ScopedMockTransaction transaction(kTypicalGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n";
- transaction.response_headers =
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=3600\n"
- "Vary: Foo\n";
- RunTransactionTest(cache.http_cache(), transaction);
- // Vary-mismatch validation receives 304 and no vary header.
- transaction.request_headers = "Foo: none\r\n";
- transaction.status = "HTTP/1.1 304 Not Modified";
- transaction.response_headers =
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=3600\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that the ActiveEntry is gone.
- base::RunLoop().RunUntilIdle();
- // Generate a vary mismatch.
- transaction.request_headers = "Foo: bar\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- static void ETagGet_UnconditionalRequest_Handler(const HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data) {
- EXPECT_FALSE(
- request->extra_headers.HasHeader(HttpRequestHeaders::kIfNoneMatch));
- }
- TEST_F(HttpCacheTest, ETagGET_Http10) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kETagGET_Transaction);
- transaction.status = "HTTP/1.0 200 OK";
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Get the same URL again, without generating a conditional request.
- transaction.load_flags = LOAD_VALIDATE_CACHE;
- transaction.handler = ETagGet_UnconditionalRequest_Handler;
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, ETagGET_Http10_Range) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kETagGET_Transaction);
- transaction.status = "HTTP/1.0 200 OK";
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Get the same URL again, but use a byte range request.
- transaction.load_flags = LOAD_VALIDATE_CACHE;
- transaction.handler = ETagGet_UnconditionalRequest_Handler;
- transaction.request_headers = "Range: bytes = 5-\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- static void ETagGet_ConditionalRequest_NoStore_Handler(
- const HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data) {
- EXPECT_TRUE(
- request->extra_headers.HasHeader(HttpRequestHeaders::kIfNoneMatch));
- response_status->assign("HTTP/1.1 304 Not Modified");
- response_headers->assign("Cache-Control: no-store\n");
- response_data->clear();
- }
- TEST_F(HttpCacheTest, ETagGET_ConditionalRequest_304_NoStore) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kETagGET_Transaction);
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Get the same URL again, but this time we expect it to result
- // in a conditional request.
- transaction.load_flags = LOAD_VALIDATE_CACHE;
- transaction.handler = ETagGet_ConditionalRequest_NoStore_Handler;
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- ScopedMockTransaction transaction2(kETagGET_Transaction);
- // Write to the cache again. This should create a new entry.
- RunTransactionTest(cache.http_cache(), transaction2);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Helper that does 4 requests using HttpCache:
- //
- // (1) loads |kUrl| -- expects |net_response_1| to be returned.
- // (2) loads |kUrl| from cache only -- expects |net_response_1| to be returned.
- // (3) loads |kUrl| using |extra_request_headers| -- expects |net_response_2| to
- // be returned.
- // (4) loads |kUrl| from cache only -- expects |cached_response_2| to be
- // returned.
- // The entry will be created once and will be opened for the 3 subsequent
- // requests.
- static void ConditionalizedRequestUpdatesCacheHelper(
- const Response& net_response_1,
- const Response& net_response_2,
- const Response& cached_response_2,
- const char* extra_request_headers) {
- MockHttpCache cache;
- // The URL we will be requesting.
- const char kUrl[] = "http://foobar.com/main.css";
- // Junk network response.
- static const Response kUnexpectedResponse = {
- "HTTP/1.1 500 Unexpected",
- "Server: unexpected_header",
- "unexpected body"
- };
- // We will control the network layer's responses for |kUrl| using
- // |mock_network_response|.
- MockTransaction mock_network_response = {nullptr};
- mock_network_response.url = kUrl;
- AddMockTransaction(&mock_network_response);
- // Request |kUrl| for the first time. It should hit the network and
- // receive |kNetResponse1|, which it saves into the HTTP cache.
- MockTransaction request = {nullptr};
- request.url = kUrl;
- request.method = "GET";
- request.request_headers = "";
- net_response_1.AssignTo(&mock_network_response); // Network mock.
- net_response_1.AssignTo(&request); // Expected result.
- std::string response_headers;
- RunTransactionTestWithResponse(
- cache.http_cache(), request, &response_headers);
- EXPECT_EQ(net_response_1.status_and_headers(), response_headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Request |kUrl| a second time. Now |kNetResponse1| it is in the HTTP
- // cache, so we don't hit the network.
- request.load_flags = LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- kUnexpectedResponse.AssignTo(&mock_network_response); // Network mock.
- net_response_1.AssignTo(&request); // Expected result.
- RunTransactionTestWithResponse(
- cache.http_cache(), request, &response_headers);
- EXPECT_EQ(net_response_1.status_and_headers(), response_headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Request |kUrl| yet again, but this time give the request an
- // "If-Modified-Since" header. This will cause the request to re-hit the
- // network. However now the network response is going to be
- // different -- this simulates a change made to the CSS file.
- request.request_headers = extra_request_headers;
- request.load_flags = LOAD_NORMAL;
- net_response_2.AssignTo(&mock_network_response); // Network mock.
- net_response_2.AssignTo(&request); // Expected result.
- RunTransactionTestWithResponse(
- cache.http_cache(), request, &response_headers);
- EXPECT_EQ(net_response_2.status_and_headers(), response_headers);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Finally, request |kUrl| again. This request should be serviced from
- // the cache. Moreover, the value in the cache should be |kNetResponse2|
- // and NOT |kNetResponse1|. The previous step should have replaced the
- // value in the cache with the modified response.
- request.request_headers = "";
- request.load_flags = LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- kUnexpectedResponse.AssignTo(&mock_network_response); // Network mock.
- cached_response_2.AssignTo(&request); // Expected result.
- RunTransactionTestWithResponse(
- cache.http_cache(), request, &response_headers);
- EXPECT_EQ(cached_response_2.status_and_headers(), response_headers);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&mock_network_response);
- }
- // Check that when an "if-modified-since" header is attached
- // to the request, the result still updates the cached entry.
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache1) {
- // First network response for |kUrl|.
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- "body1"
- };
- // Second network response for |kUrl|.
- static const Response kNetResponse2 = {
- "HTTP/1.1 200 OK",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Last-Modified: Fri, 03 Jul 2009 02:14:27 GMT\n",
- "body2"
- };
- const char extra_headers[] =
- "If-Modified-Since: Wed, 06 Feb 2008 22:38:21 GMT\r\n";
- ConditionalizedRequestUpdatesCacheHelper(
- kNetResponse1, kNetResponse2, kNetResponse2, extra_headers);
- }
- // Check that when an "if-none-match" header is attached
- // to the request, the result updates the cached entry.
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache2) {
- // First network response for |kUrl|.
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Etag: \"ETAG1\"\n"
- "Expires: Wed, 7 Sep 2033 21:46:42 GMT\n", // Should never expire.
- "body1"
- };
- // Second network response for |kUrl|.
- static const Response kNetResponse2 = {
- "HTTP/1.1 200 OK",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Etag: \"ETAG2\"\n"
- "Expires: Wed, 7 Sep 2033 21:46:42 GMT\n", // Should never expire.
- "body2"
- };
- const char extra_headers[] = "If-None-Match: \"ETAG1\"\r\n";
- ConditionalizedRequestUpdatesCacheHelper(
- kNetResponse1, kNetResponse2, kNetResponse2, extra_headers);
- }
- // Check that when an "if-modified-since" header is attached
- // to a request, the 304 (not modified result) result updates the cached
- // headers, and the 304 response is returned rather than the cached response.
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache3) {
- // First network response for |kUrl|.
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Server: server1\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- "body1"
- };
- // Second network response for |kUrl|.
- static const Response kNetResponse2 = {
- "HTTP/1.1 304 Not Modified",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Server: server2\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- ""
- };
- static const Response kCachedResponse2 = {
- "HTTP/1.1 200 OK",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Server: server2\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- "body1"
- };
- const char extra_headers[] =
- "If-Modified-Since: Wed, 06 Feb 2008 22:38:21 GMT\r\n";
- ConditionalizedRequestUpdatesCacheHelper(
- kNetResponse1, kNetResponse2, kCachedResponse2, extra_headers);
- }
- // Test that when doing an externally conditionalized if-modified-since
- // and there is no corresponding cache entry, a new cache entry is NOT
- // created (304 response).
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache4) {
- MockHttpCache cache;
- const char kUrl[] = "http://foobar.com/main.css";
- static const Response kNetResponse = {
- "HTTP/1.1 304 Not Modified",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- ""
- };
- const char kExtraRequestHeaders[] =
- "If-Modified-Since: Wed, 06 Feb 2008 22:38:21 GMT\r\n";
- // We will control the network layer's responses for |kUrl| using
- // |mock_network_response|.
- MockTransaction mock_network_response = {nullptr};
- mock_network_response.url = kUrl;
- AddMockTransaction(&mock_network_response);
- MockTransaction request = {nullptr};
- request.url = kUrl;
- request.method = "GET";
- request.request_headers = kExtraRequestHeaders;
- kNetResponse.AssignTo(&mock_network_response); // Network mock.
- kNetResponse.AssignTo(&request); // Expected result.
- std::string response_headers;
- RunTransactionTestWithResponse(
- cache.http_cache(), request, &response_headers);
- EXPECT_EQ(kNetResponse.status_and_headers(), response_headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- RemoveMockTransaction(&mock_network_response);
- }
- // Test that when doing an externally conditionalized if-modified-since
- // and there is no corresponding cache entry, a new cache entry is NOT
- // created (200 response).
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache5) {
- MockHttpCache cache;
- const char kUrl[] = "http://foobar.com/main.css";
- static const Response kNetResponse = {
- "HTTP/1.1 200 OK",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- "foobar!!!"
- };
- const char kExtraRequestHeaders[] =
- "If-Modified-Since: Wed, 06 Feb 2008 22:38:21 GMT\r\n";
- // We will control the network layer's responses for |kUrl| using
- // |mock_network_response|.
- MockTransaction mock_network_response = {nullptr};
- mock_network_response.url = kUrl;
- AddMockTransaction(&mock_network_response);
- MockTransaction request = {nullptr};
- request.url = kUrl;
- request.method = "GET";
- request.request_headers = kExtraRequestHeaders;
- kNetResponse.AssignTo(&mock_network_response); // Network mock.
- kNetResponse.AssignTo(&request); // Expected result.
- std::string response_headers;
- RunTransactionTestWithResponse(
- cache.http_cache(), request, &response_headers);
- EXPECT_EQ(kNetResponse.status_and_headers(), response_headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- RemoveMockTransaction(&mock_network_response);
- }
- // Test that when doing an externally conditionalized if-modified-since
- // if the date does not match the cache entry's last-modified date,
- // then we do NOT use the response (304) to update the cache.
- // (the if-modified-since date is 2 days AFTER the cache's modification date).
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache6) {
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Server: server1\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- "body1"
- };
- // Second network response for |kUrl|.
- static const Response kNetResponse2 = {
- "HTTP/1.1 304 Not Modified",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Server: server2\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- ""
- };
- // This is two days in the future from the original response's last-modified
- // date!
- const char kExtraRequestHeaders[] =
- "If-Modified-Since: Fri, 08 Feb 2008 22:38:21 GMT\r\n";
- ConditionalizedRequestUpdatesCacheHelper(
- kNetResponse1, kNetResponse2, kNetResponse1, kExtraRequestHeaders);
- }
- // Test that when doing an externally conditionalized if-none-match
- // if the etag does not match the cache entry's etag, then we do not use the
- // response (304) to update the cache.
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache7) {
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Etag: \"Foo1\"\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- "body1"
- };
- // Second network response for |kUrl|.
- static const Response kNetResponse2 = {
- "HTTP/1.1 304 Not Modified",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Etag: \"Foo2\"\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- ""
- };
- // Different etag from original response.
- const char kExtraRequestHeaders[] = "If-None-Match: \"Foo2\"\r\n";
- ConditionalizedRequestUpdatesCacheHelper(
- kNetResponse1, kNetResponse2, kNetResponse1, kExtraRequestHeaders);
- }
- // Test that doing an externally conditionalized request with both if-none-match
- // and if-modified-since updates the cache.
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache8) {
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Etag: \"Foo1\"\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- "body1"
- };
- // Second network response for |kUrl|.
- static const Response kNetResponse2 = {
- "HTTP/1.1 200 OK",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Etag: \"Foo2\"\n"
- "Last-Modified: Fri, 03 Jul 2009 02:14:27 GMT\n",
- "body2"
- };
- const char kExtraRequestHeaders[] =
- "If-Modified-Since: Wed, 06 Feb 2008 22:38:21 GMT\r\n"
- "If-None-Match: \"Foo1\"\r\n";
- ConditionalizedRequestUpdatesCacheHelper(
- kNetResponse1, kNetResponse2, kNetResponse2, kExtraRequestHeaders);
- }
- // Test that doing an externally conditionalized request with both if-none-match
- // and if-modified-since does not update the cache with only one match.
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache9) {
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Etag: \"Foo1\"\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- "body1"
- };
- // Second network response for |kUrl|.
- static const Response kNetResponse2 = {
- "HTTP/1.1 200 OK",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Etag: \"Foo2\"\n"
- "Last-Modified: Fri, 03 Jul 2009 02:14:27 GMT\n",
- "body2"
- };
- // The etag doesn't match what we have stored.
- const char kExtraRequestHeaders[] =
- "If-Modified-Since: Wed, 06 Feb 2008 22:38:21 GMT\r\n"
- "If-None-Match: \"Foo2\"\r\n";
- ConditionalizedRequestUpdatesCacheHelper(
- kNetResponse1, kNetResponse2, kNetResponse1, kExtraRequestHeaders);
- }
- // Test that doing an externally conditionalized request with both if-none-match
- // and if-modified-since does not update the cache with only one match.
- TEST_F(HttpCacheTest, ConditionalizedRequestUpdatesCache10) {
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Etag: \"Foo1\"\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- "body1"
- };
- // Second network response for |kUrl|.
- static const Response kNetResponse2 = {
- "HTTP/1.1 200 OK",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Etag: \"Foo2\"\n"
- "Last-Modified: Fri, 03 Jul 2009 02:14:27 GMT\n",
- "body2"
- };
- // The modification date doesn't match what we have stored.
- const char kExtraRequestHeaders[] =
- "If-Modified-Since: Fri, 08 Feb 2008 22:38:21 GMT\r\n"
- "If-None-Match: \"Foo1\"\r\n";
- ConditionalizedRequestUpdatesCacheHelper(
- kNetResponse1, kNetResponse2, kNetResponse1, kExtraRequestHeaders);
- }
- TEST_F(HttpCacheTest, UrlContainingHash) {
- MockHttpCache cache;
- // Do a typical GET request -- should write an entry into our cache.
- MockTransaction trans(kTypicalGET_Transaction);
- RunTransactionTest(cache.http_cache(), trans);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Request the same URL, but this time with a reference section (hash).
- // Since the cache key strips the hash sections, this should be a cache hit.
- std::string url_with_hash = std::string(trans.url) + "#multiple#hashes";
- trans.url = url_with_hash.c_str();
- trans.load_flags = LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTest(cache.http_cache(), trans);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that we skip the cache for POST requests that do not have an upload
- // identifier.
- TEST_F(HttpCacheTest, SimplePOST_SkipsCache) {
- MockHttpCache cache;
- RunTransactionTest(cache.http_cache(), kSimplePOST_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- // Tests POST handling with a disabled cache (no DCHECK).
- TEST_F(HttpCacheTest, SimplePOST_DisabledCache) {
- MockHttpCache cache;
- cache.http_cache()->set_mode(HttpCache::Mode::DISABLE);
- RunTransactionTest(cache.http_cache(), kSimplePOST_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, SimplePOST_LoadOnlyFromCache_Miss) {
- MockHttpCache cache;
- MockTransaction transaction(kSimplePOST_Transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- MockHttpRequest request(transaction);
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- ASSERT_TRUE(trans.get());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- ASSERT_THAT(callback.GetResult(rv), IsError(ERR_CACHE_MISS));
- trans.reset();
- EXPECT_EQ(0, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, SimplePOST_LoadOnlyFromCache_Hit) {
- MockHttpCache cache;
- // Test that we hit the cache for POST requests.
- MockTransaction transaction(kSimplePOST_Transaction);
- const int64_t kUploadId = 1; // Just a dummy value.
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers),
- kUploadId);
- MockHttpRequest request(transaction);
- request.upload_data_stream = &upload_data_stream;
- // Populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Load from cache.
- request.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Test that we don't hit the cache for POST requests if there is a byte range.
- TEST_F(HttpCacheTest, SimplePOST_WithRanges) {
- MockHttpCache cache;
- MockTransaction transaction(kSimplePOST_Transaction);
- transaction.request_headers = "Range: bytes = 0-4\r\n";
- const int64_t kUploadId = 1; // Just a dummy value.
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers),
- kUploadId);
- MockHttpRequest request(transaction);
- request.upload_data_stream = &upload_data_stream;
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- // Tests that a POST is cached separately from a GET.
- TEST_F(HttpCacheTest, SimplePOST_SeparateCache) {
- MockHttpCache cache;
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 1);
- MockTransaction transaction(kSimplePOST_Transaction);
- MockHttpRequest req1(transaction);
- req1.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- transaction.method = "GET";
- MockHttpRequest req2(transaction);
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that a successful POST invalidates a previously cached GET.
- TEST_F(HttpCacheTest, SimplePOST_Invalidate_205) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- MockHttpRequest req1(transaction);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 1);
- transaction.method = "POST";
- transaction.status = "HTTP/1.1 205 No Content";
- MockHttpRequest req2(transaction);
- req2.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that a successful POST invalidates a previously cached GET,
- // with cache split by top-frame origin.
- TEST_F(HttpCacheTest, SimplePOST_Invalidate_205_SplitCache) {
- base::test::ScopedFeatureList feature_list;
- feature_list.InitAndEnableFeature(
- net::features::kSplitCacheByNetworkIsolationKey);
- SchemefulSite site_a(GURL("http://a.com"));
- SchemefulSite site_b(GURL("http://b.com"));
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- MockHttpRequest req1(transaction);
- req1.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- // Same for a different origin.
- MockHttpRequest req1b(transaction);
- req1b.network_isolation_key = NetworkIsolationKey(site_b, site_b);
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1b,
- nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 1);
- transaction.method = "POST";
- transaction.status = "HTTP/1.1 205 No Content";
- MockHttpRequest req2(transaction);
- req2.upload_data_stream = &upload_data_stream;
- req2.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- // req1b should still be cached, since it has a different top-level frame
- // origin.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1b,
- nullptr);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- // req1 should not be cached after the POST.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(4, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that a successful POST invalidates a previously cached GET, even when
- // there is no upload identifier.
- TEST_F(HttpCacheTest, SimplePOST_NoUploadId_Invalidate_205) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- MockHttpRequest req1(transaction);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
- transaction.method = "POST";
- transaction.status = "HTTP/1.1 205 No Content";
- MockHttpRequest req2(transaction);
- req2.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that processing a POST before creating the backend doesn't crash.
- TEST_F(HttpCacheTest, SimplePOST_NoUploadId_NoBackend) {
- // This will initialize a cache object with NULL backend.
- auto factory = std::make_unique<MockBlockingBackendFactory>();
- factory->set_fail(true);
- factory->FinishCreation();
- MockHttpCache cache(std::move(factory));
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
- MockTransaction transaction(kSimplePOST_Transaction);
- AddMockTransaction(&transaction);
- MockHttpRequest req(transaction);
- req.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req, nullptr);
- RemoveMockTransaction(&transaction);
- }
- // Tests that we don't invalidate entries as a result of a failed POST.
- TEST_F(HttpCacheTest, SimplePOST_DontInvalidate_100) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- MockHttpRequest req1(transaction);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 1);
- transaction.method = "POST";
- transaction.status = "HTTP/1.1 100 Continue";
- MockHttpRequest req2(transaction);
- req2.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that a HEAD request is not cached by itself.
- TEST_F(HttpCacheTest, SimpleHEAD_LoadOnlyFromCache_Miss) {
- MockHttpCache cache;
- MockTransaction transaction(kSimplePOST_Transaction);
- AddMockTransaction(&transaction);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- transaction.method = "HEAD";
- MockHttpRequest request(transaction);
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- ASSERT_TRUE(trans.get());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- ASSERT_THAT(callback.GetResult(rv), IsError(ERR_CACHE_MISS));
- trans.reset();
- EXPECT_EQ(0, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that a HEAD request is served from a cached GET.
- TEST_F(HttpCacheTest, SimpleHEAD_LoadOnlyFromCache_Hit) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Load from cache.
- transaction.method = "HEAD";
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- transaction.data = "";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that a read-only request served from the cache preserves CL.
- TEST_F(HttpCacheTest, SimpleHEAD_ContentLengthOnHit_Read) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- transaction.response_headers = "Content-Length: 42\n";
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- // Load from cache.
- transaction.method = "HEAD";
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- transaction.data = "";
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_EQ("HTTP/1.1 200 OK\nContent-Length: 42\n", headers);
- RemoveMockTransaction(&transaction);
- }
- // Tests that a read-write request served from the cache preserves CL.
- TEST_F(HttpCacheTest, ETagHEAD_ContentLengthOnHit_ReadWrite) {
- MockHttpCache cache;
- MockTransaction transaction(kETagGET_Transaction);
- AddMockTransaction(&transaction);
- std::string server_headers(kETagGET_Transaction.response_headers);
- server_headers.append("Content-Length: 42\n");
- transaction.response_headers = server_headers.data();
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- // Load from cache.
- transaction.method = "HEAD";
- transaction.data = "";
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_NE(std::string::npos, headers.find("Content-Length: 42\n"));
- RemoveMockTransaction(&transaction);
- }
- // Tests that a HEAD request that includes byte ranges bypasses the cache.
- TEST_F(HttpCacheTest, SimpleHEAD_WithRanges) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- // Load from cache.
- transaction.method = "HEAD";
- transaction.request_headers = "Range: bytes = 0-4\r\n";
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- transaction.start_return_code = ERR_CACHE_MISS;
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that a HEAD request can be served from a partialy cached resource.
- TEST_F(HttpCacheTest, SimpleHEAD_WithCachedRanges) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- // Write to the cache (40-49).
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.url = kRangeGET_TransactionOK.url;
- transaction.method = "HEAD";
- transaction.data = "";
- AddMockTransaction(&transaction);
- std::string headers;
- // Load from cache.
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_NE(std::string::npos, headers.find("HTTP/1.1 200 OK\n"));
- EXPECT_NE(std::string::npos, headers.find("Content-Length: 80\n"));
- EXPECT_EQ(std::string::npos, headers.find("Content-Range"));
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that a HEAD request can be served from a truncated resource.
- TEST_F(HttpCacheTest, SimpleHEAD_WithTruncatedEntry) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.url = kRangeGET_TransactionOK.url;
- transaction.method = "HEAD";
- transaction.data = "";
- AddMockTransaction(&transaction);
- std::string headers;
- // Load from cache.
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_NE(std::string::npos, headers.find("HTTP/1.1 200 OK\n"));
- EXPECT_NE(std::string::npos, headers.find("Content-Length: 80\n"));
- EXPECT_EQ(std::string::npos, headers.find("Content-Range"));
- EXPECT_EQ(0, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that a HEAD request updates the cached response.
- TEST_F(HttpCacheTest, TypicalHEAD_UpdatesResponse) {
- MockHttpCache cache;
- MockTransaction transaction(kTypicalGET_Transaction);
- AddMockTransaction(&transaction);
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- // Update the cache.
- transaction.method = "HEAD";
- transaction.response_headers = "Foo: bar\n";
- transaction.data = "";
- transaction.status = "HTTP/1.1 304 Not Modified\n";
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- RemoveMockTransaction(&transaction);
- EXPECT_NE(std::string::npos, headers.find("HTTP/1.1 200 OK\n"));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- MockTransaction transaction2(kTypicalGET_Transaction);
- AddMockTransaction(&transaction2);
- // Make sure we are done with the previous transaction.
- base::RunLoop().RunUntilIdle();
- // Load from the cache.
- transaction2.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTestWithResponse(cache.http_cache(), transaction2, &headers);
- EXPECT_NE(std::string::npos, headers.find("Foo: bar\n"));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction2);
- }
- // Tests that an externally conditionalized HEAD request updates the cache.
- TEST_F(HttpCacheTest, TypicalHEAD_ConditionalizedRequestUpdatesResponse) {
- MockHttpCache cache;
- MockTransaction transaction(kTypicalGET_Transaction);
- AddMockTransaction(&transaction);
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- // Update the cache.
- transaction.method = "HEAD";
- transaction.request_headers =
- "If-Modified-Since: Wed, 28 Nov 2007 00:40:09 GMT\r\n";
- transaction.response_headers = "Foo: bar\n";
- transaction.data = "";
- transaction.status = "HTTP/1.1 304 Not Modified\n";
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- RemoveMockTransaction(&transaction);
- EXPECT_NE(std::string::npos, headers.find("HTTP/1.1 304 Not Modified\n"));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- MockTransaction transaction2(kTypicalGET_Transaction);
- AddMockTransaction(&transaction2);
- // Make sure we are done with the previous transaction.
- base::RunLoop().RunUntilIdle();
- // Load from the cache.
- transaction2.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTestWithResponse(cache.http_cache(), transaction2, &headers);
- EXPECT_NE(std::string::npos, headers.find("Foo: bar\n"));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction2);
- }
- // Tests that a HEAD request invalidates an old cached entry.
- TEST_F(HttpCacheTest, SimpleHEAD_InvalidatesEntry) {
- MockHttpCache cache;
- MockTransaction transaction(kTypicalGET_Transaction);
- AddMockTransaction(&transaction);
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- // Update the cache.
- transaction.method = "HEAD";
- transaction.data = "";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- // Load from the cache.
- transaction.method = "GET";
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- transaction.start_return_code = ERR_CACHE_MISS;
- RunTransactionTest(cache.http_cache(), transaction);
- RemoveMockTransaction(&transaction);
- }
- // Tests that we do not cache the response of a PUT.
- TEST_F(HttpCacheTest, SimplePUT_Miss) {
- MockHttpCache cache;
- MockTransaction transaction(kSimplePOST_Transaction);
- transaction.method = "PUT";
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
- MockHttpRequest request(transaction);
- request.upload_data_stream = &upload_data_stream;
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- // Tests that we invalidate entries as a result of a PUT.
- TEST_F(HttpCacheTest, SimplePUT_Invalidate) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- MockHttpRequest req1(transaction);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
- transaction.method = "PUT";
- MockHttpRequest req2(transaction);
- req2.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we invalidate entries as a result of a PUT.
- TEST_F(HttpCacheTest, SimplePUT_Invalidate_305) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- MockHttpRequest req1(transaction);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
- transaction.method = "PUT";
- transaction.status = "HTTP/1.1 305 Use Proxy";
- MockHttpRequest req2(transaction);
- req2.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we don't invalidate entries as a result of a failed PUT.
- TEST_F(HttpCacheTest, SimplePUT_DontInvalidate_404) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- MockHttpRequest req1(transaction);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
- transaction.method = "PUT";
- transaction.status = "HTTP/1.1 404 Not Found";
- MockHttpRequest req2(transaction);
- req2.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we do not cache the response of a DELETE.
- TEST_F(HttpCacheTest, SimpleDELETE_Miss) {
- MockHttpCache cache;
- MockTransaction transaction(kSimplePOST_Transaction);
- transaction.method = "DELETE";
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
- MockHttpRequest request(transaction);
- request.upload_data_stream = &upload_data_stream;
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, request,
- nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- // Tests that we invalidate entries as a result of a DELETE.
- TEST_F(HttpCacheTest, SimpleDELETE_Invalidate) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- MockHttpRequest req1(transaction);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
- transaction.method = "DELETE";
- MockHttpRequest req2(transaction);
- req2.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we invalidate entries as a result of a DELETE.
- TEST_F(HttpCacheTest, SimpleDELETE_Invalidate_301) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- // Attempt to populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- transaction.method = "DELETE";
- transaction.status = "HTTP/1.1 301 Moved Permanently ";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- transaction.method = "GET";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we don't invalidate entries as a result of a failed DELETE.
- TEST_F(HttpCacheTest, SimpleDELETE_DontInvalidate_416) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- // Attempt to populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- transaction.method = "DELETE";
- transaction.status = "HTTP/1.1 416 Requested Range Not Satisfiable";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- transaction.method = "GET";
- transaction.status = "HTTP/1.1 200 OK";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we invalidate entries as a result of a PATCH.
- TEST_F(HttpCacheTest, SimplePATCH_Invalidate) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- MockHttpRequest req1(transaction);
- // Attempt to populate the cache.
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers), 0);
- transaction.method = "PATCH";
- MockHttpRequest req2(transaction);
- req2.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req2, nullptr);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTestWithRequest(cache.http_cache(), transaction, req1, nullptr);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we invalidate entries as a result of a PATCH.
- TEST_F(HttpCacheTest, SimplePATCH_Invalidate_301) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- // Attempt to populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- transaction.method = "PATCH";
- transaction.status = "HTTP/1.1 301 Moved Permanently ";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- transaction.method = "GET";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we don't invalidate entries as a result of a failed PATCH.
- TEST_F(HttpCacheTest, SimplePATCH_DontInvalidate_416) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- // Attempt to populate the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- transaction.method = "PATCH";
- transaction.status = "HTTP/1.1 416 Requested Range Not Satisfiable";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- transaction.method = "GET";
- transaction.status = "HTTP/1.1 200 OK";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we don't invalidate entries after a failed network transaction.
- TEST_F(HttpCacheTest, SimpleGET_DontInvalidateOnFailure) {
- MockHttpCache cache;
- // Populate the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // Fail the network request.
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.start_return_code = ERR_FAILED;
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- RemoveMockTransaction(&transaction);
- transaction.load_flags = LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- transaction.start_return_code = OK;
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- // Make sure the transaction didn't reach the network.
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- RemoveMockTransaction(&transaction);
- }
- TEST_F(HttpCacheTest, RangeGET_SkipsCache) {
- MockHttpCache cache;
- // Test that we skip the cache for range GET requests. Eventually, we will
- // want to cache these, but we'll still have cases where skipping the cache
- // makes sense, so we want to make sure that it works properly.
- RunTransactionTest(cache.http_cache(), kRangeGET_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "If-None-Match: foo\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- transaction.request_headers =
- "If-Modified-Since: Wed, 28 Nov 2007 00:45:20 GMT\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- // Test that we skip the cache for range requests that include a validation
- // header.
- TEST_F(HttpCacheTest, RangeGET_SkipsCache2) {
- MockHttpCache cache;
- MockTransaction transaction(kRangeGET_Transaction);
- transaction.request_headers = "If-None-Match: foo\r\n"
- EXTRA_HEADER
- "Range: bytes = 40-49\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- transaction.request_headers =
- "If-Modified-Since: Wed, 28 Nov 2007 00:45:20 GMT\r\n"
- EXTRA_HEADER
- "Range: bytes = 40-49\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- transaction.request_headers = "If-Range: bla\r\n"
- EXTRA_HEADER
- "Range: bytes = 40-49\r\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- }
- TEST_F(HttpCacheTest, SimpleGET_DoesntLogHeaders) {
- MockHttpCache cache;
- RecordingNetLogObserver net_log_observer;
- RunTransactionTestWithLog(cache.http_cache(), kSimpleGET_Transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE));
- EXPECT_FALSE(LogContainsEventType(
- net_log_observer, NetLogEventType::HTTP_CACHE_CALLER_REQUEST_HEADERS));
- }
- TEST_F(HttpCacheTest, RangeGET_LogsHeaders) {
- MockHttpCache cache;
- RecordingNetLogObserver net_log_observer;
- RunTransactionTestWithLog(cache.http_cache(), kRangeGET_Transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE));
- EXPECT_TRUE(LogContainsEventType(
- net_log_observer, NetLogEventType::HTTP_CACHE_CALLER_REQUEST_HEADERS));
- }
- TEST_F(HttpCacheTest, ExternalValidation_LogsHeaders) {
- MockHttpCache cache;
- RecordingNetLogObserver net_log_observer;
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "If-None-Match: foo\r\n" EXTRA_HEADER;
- RunTransactionTestWithLog(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE));
- EXPECT_TRUE(LogContainsEventType(
- net_log_observer, NetLogEventType::HTTP_CACHE_CALLER_REQUEST_HEADERS));
- }
- TEST_F(HttpCacheTest, SpecialHeaders_LogsHeaders) {
- MockHttpCache cache;
- RecordingNetLogObserver net_log_observer;
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "cache-control: no-cache\r\n" EXTRA_HEADER;
- RunTransactionTestWithLog(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE));
- EXPECT_TRUE(LogContainsEventType(
- net_log_observer, NetLogEventType::HTTP_CACHE_CALLER_REQUEST_HEADERS));
- }
- // Tests that receiving 206 for a regular request is handled correctly.
- TEST_F(HttpCacheTest, GET_Crazy206) {
- MockHttpCache cache;
- // Write to the cache.
- MockTransaction transaction(kRangeGET_TransactionOK);
- AddMockTransaction(&transaction);
- transaction.request_headers = EXTRA_HEADER;
- transaction.handler = nullptr;
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // This should read again from the net.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that receiving 416 for a regular request is handled correctly.
- TEST_F(HttpCacheTest, GET_Crazy416) {
- MockHttpCache cache;
- // Write to the cache.
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- transaction.status = "HTTP/1.1 416 Requested Range Not Satisfiable";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we don't store partial responses that can't be validated.
- TEST_F(HttpCacheTest, RangeGET_NoStrongValidators) {
- MockHttpCache cache;
- std::string headers;
- // Attempt to write to the cache (40-49).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.response_headers = "Content-Length: 10\n"
- "Cache-Control: max-age=3600\n"
- "ETag: w/\"foo\"\n";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Now verify that there's no cached data.
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests failures to conditionalize byte range requests.
- TEST_F(HttpCacheTest, RangeGET_NoConditionalization) {
- MockHttpCache cache;
- cache.FailConditionalizations();
- std::string headers;
- // Write to the cache (40-49).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.response_headers = "Content-Length: 10\n"
- "ETag: \"foo\"\n";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Now verify that the cached data is not used.
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that restarting a partial request when the cached data cannot be
- // revalidated logs an event.
- TEST_F(HttpCacheTest, RangeGET_NoValidation_LogsRestart) {
- MockHttpCache cache;
- cache.FailConditionalizations();
- // Write to the cache (40-49).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.response_headers = "Content-Length: 10\n"
- "ETag: \"foo\"\n";
- RunTransactionTest(cache.http_cache(), transaction);
- // Now verify that the cached data is not used.
- RecordingNetLogObserver net_log_observer;
- RunTransactionTestWithLog(cache.http_cache(), kRangeGET_TransactionOK,
- NetLogWithSource::Make(NetLogSourceType::NONE));
- EXPECT_TRUE(LogContainsEventType(
- net_log_observer, NetLogEventType::HTTP_CACHE_RESTART_PARTIAL_REQUEST));
- }
- // Tests that a failure to conditionalize a regular request (no range) with a
- // sparse entry results in a full response.
- TEST_F(HttpCacheTest, GET_NoConditionalization) {
- for (bool use_memory_entry_data : {false, true}) {
- MockHttpCache cache;
- cache.disk_cache()->set_support_in_memory_entry_data(use_memory_entry_data);
- cache.FailConditionalizations();
- std::string headers;
- // Write to the cache (40-49).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.response_headers =
- "Content-Length: 10\n"
- "ETag: \"foo\"\n";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Now verify that the cached data is not used.
- // Don't ask for a range. The cache will attempt to use the cached data but
- // should discard it as it cannot be validated. A regular request should go
- // to the server and a new entry should be created.
- transaction.request_headers = EXTRA_HEADER;
- transaction.data = "Not a range";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_EQ(0U, headers.find("HTTP/1.1 200 OK\n"));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- // The last response was saved.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- if (use_memory_entry_data) {
- // The cache entry isn't really useful, since when
- // &RangeTransactionServer::RangeHandler gets a non-range request,
- // (the network transaction #2) it returns headers without ETag,
- // Last-Modified or caching headers, with a Date in 2007 (so no heuristic
- // freshness), so it's both expired and not conditionalizable --- so in
- // this branch we avoid opening it.
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(3, cache.disk_cache()->create_count());
- } else {
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- }
- }
- // Verifies that conditionalization failures when asking for a range that would
- // require the cache to modify the range to ask, result in a network request
- // that matches the user's one.
- TEST_F(HttpCacheTest, RangeGET_NoConditionalization2) {
- MockHttpCache cache;
- cache.FailConditionalizations();
- std::string headers;
- // Write to the cache (40-49).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.response_headers = "Content-Length: 10\n"
- "ETag: \"foo\"\n";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Now verify that the cached data is not used.
- // Ask for a range that extends before and after the cached data so that the
- // cache would normally mix data from three sources. After deleting the entry,
- // the response will come from a single network request.
- transaction.request_headers = "Range: bytes = 20-59\r\n" EXTRA_HEADER;
- transaction.data = "rg: 20-29 rg: 30-39 rg: 40-49 rg: 50-59 ";
- transaction.response_headers = kRangeGET_TransactionOK.response_headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 20, 59);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- // The last response was saved.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we cache partial responses that lack content-length.
- TEST_F(HttpCacheTest, RangeGET_NoContentLength) {
- MockHttpCache cache;
- std::string headers;
- // Attempt to write to the cache (40-49).
- MockTransaction transaction(kRangeGET_TransactionOK);
- AddMockTransaction(&transaction);
- transaction.response_headers = "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Range: bytes 40-49/80\n";
- transaction.handler = nullptr;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Now verify that there's no cached data.
- transaction.handler = &RangeTransactionServer::RangeHandler;
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we can cache range requests and fetch random blocks from the
- // cache and the network.
- TEST_F(HttpCacheTest, RangeGET_OK) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string headers;
- // Write to the cache (40-49).
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Read from the cache (40-49).
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure we are done with the previous transaction.
- base::RunLoop().RunUntilIdle();
- // Write to the cache (30-39).
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 30-39\r\n" EXTRA_HEADER;
- transaction.data = "rg: 30-39 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 30, 39);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure we are done with the previous transaction.
- base::RunLoop().RunUntilIdle();
- // Write and read from the cache (20-59).
- transaction.request_headers = "Range: bytes = 20-59\r\n" EXTRA_HEADER;
- transaction.data = "rg: 20-29 rg: 30-39 rg: 40-49 rg: 50-59 ";
- LoadTimingInfo load_timing_info;
- RunTransactionTestWithResponseAndGetTiming(
- cache.http_cache(), transaction, &headers,
- NetLogWithSource::Make(NetLogSourceType::NONE), &load_timing_info);
- Verify206Response(headers, 20, 59);
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(3, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- TEST_F(HttpCacheTest, RangeGET_CacheReadError) {
- // Tests recovery on cache read error on range request.
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string headers;
- // Write to the cache (40-49).
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- cache.disk_cache()->set_soft_failures_one_instance(MockDiskEntry::FAIL_ALL);
- // Try to read from the cache (40-49), which will fail quickly enough to
- // restart, due to the failure injected above. This should still be a range
- // request. (https://crbug.com/891212)
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that range requests with no-store get correct content-length
- // (https://crbug.com/700197).
- TEST_F(HttpCacheTest, RangeGET_NoStore) {
- MockHttpCache cache;
- MockTransaction transaction(kRangeGET_TransactionOK);
- std::string response_headers = base::StrCat(
- {kRangeGET_TransactionOK.response_headers, "Cache-Control: no-store\n"});
- transaction.response_headers = response_headers.c_str();
- AddMockTransaction(&transaction);
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests a 304 setting no-store on existing 206 entry.
- TEST_F(HttpCacheTest, RangeGET_NoStore304) {
- MockHttpCache cache;
- MockTransaction transaction(kRangeGET_TransactionOK);
- std::string response_headers = base::StrCat(
- {kRangeGET_TransactionOK.response_headers, "Cache-Control: max-age=0\n"});
- transaction.response_headers = response_headers.c_str();
- AddMockTransaction(&transaction);
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- response_headers = base::StrCat(
- {kRangeGET_TransactionOK.response_headers, "Cache-Control: no-store\n"});
- transaction.response_headers = response_headers.c_str();
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Fetch again, this one should be from newly created cache entry, due to
- // earlier no-store.
- transaction.response_headers = kRangeGET_TransactionOK.response_headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- Verify206Response(headers, 40, 49);
- RemoveMockTransaction(&transaction);
- }
- // Tests that we can cache range requests and fetch random blocks from the
- // cache and the network, with synchronous responses.
- TEST_F(HttpCacheTest, RangeGET_SyncOK) {
- MockHttpCache cache;
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.test_mode = TEST_MODE_SYNC_ALL;
- AddMockTransaction(&transaction);
- // Write to the cache (40-49).
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Read from the cache (40-49).
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure we are done with the previous transaction.
- base::RunLoop().RunUntilIdle();
- // Write to the cache (30-39).
- transaction.request_headers = "Range: bytes = 30-39\r\n" EXTRA_HEADER;
- transaction.data = "rg: 30-39 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 30, 39);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure we are done with the previous transaction.
- base::RunLoop().RunUntilIdle();
- // Write and read from the cache (20-59).
- transaction.request_headers = "Range: bytes = 20-59\r\n" EXTRA_HEADER;
- transaction.data = "rg: 20-29 rg: 30-39 rg: 40-49 rg: 50-59 ";
- LoadTimingInfo load_timing_info;
- RunTransactionTestWithResponseAndGetTiming(
- cache.http_cache(), transaction, &headers,
- NetLogWithSource::Make(NetLogSourceType::NONE), &load_timing_info);
- Verify206Response(headers, 20, 59);
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&transaction);
- }
- // Tests that if the previous transaction is cancelled while busy (doing sparse
- // IO), a new transaction (that reuses that same ActiveEntry) waits until the
- // entry is ready again.
- TEST_F(HttpCacheTest, Sparse_WaitForEntry) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- // Create a sparse entry.
- RunTransactionTest(cache.http_cache(), transaction);
- // Simulate a previous transaction being cancelled.
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- std::string cache_key =
- *cache.http_cache()->GenerateCacheKeyForRequest(&request);
- ASSERT_TRUE(cache.OpenBackendEntry(cache_key, &entry));
- entry->CancelSparseIO();
- // Test with a range request.
- RunTransactionTest(cache.http_cache(), transaction);
- // Now test with a regular request.
- entry->CancelSparseIO();
- transaction.request_headers = EXTRA_HEADER;
- transaction.data = kFullRangeData;
- RunTransactionTest(cache.http_cache(), transaction);
- entry->Close();
- }
- // Tests that we don't revalidate an entry unless we are required to do so.
- TEST_F(HttpCacheTest, RangeGET_Revalidate1) {
- MockHttpCache cache;
- std::string headers;
- // Write to the cache (40-49).
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2009 01:10:43 GMT\n"
- "Expires: Wed, 7 Sep 2033 21:46:42 GMT\n" // Should never expire.
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 10\n";
- AddMockTransaction(&transaction);
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Read from the cache (40-49).
- NetLogWithSource net_log_with_source =
- NetLogWithSource::Make(NetLogSourceType::NONE);
- LoadTimingInfo load_timing_info;
- RunTransactionTestWithResponseAndGetTiming(cache.http_cache(), transaction,
- &headers, net_log_with_source,
- &load_timing_info);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingCachedResponse(load_timing_info);
- // Read again forcing the revalidation.
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- RunTransactionTestWithResponseAndGetTiming(cache.http_cache(), transaction,
- &headers, net_log_with_source,
- &load_timing_info);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&transaction);
- }
- // Checks that we revalidate an entry when the headers say so.
- TEST_F(HttpCacheTest, RangeGET_Revalidate2) {
- MockHttpCache cache;
- std::string headers;
- // Write to the cache (40-49).
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2009 01:10:43 GMT\n"
- "Expires: Sat, 18 Apr 2009 01:10:43 GMT\n" // Expired.
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 10\n";
- AddMockTransaction(&transaction);
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Read from the cache (40-49).
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we deal with 304s for range requests.
- TEST_F(HttpCacheTest, RangeGET_304) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string headers;
- // Write to the cache (40-49).
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Read from the cache (40-49).
- RangeTransactionServer handler;
- handler.set_not_modified(true);
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we deal with 206s when revalidating range requests.
- TEST_F(HttpCacheTest, RangeGET_ModifiedResult) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string headers;
- // Write to the cache (40-49).
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Attempt to read from the cache (40-49).
- RangeTransactionServer handler;
- handler.set_modified(true);
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // And the entry should be gone.
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that when a server returns 206 with a sub-range of the requested range,
- // and there is nothing stored in the cache, the returned response is passed to
- // the caller as is. In this context, a subrange means a response that starts
- // with the same byte that was requested, but that is not the whole range that
- // was requested.
- TEST_F(HttpCacheTest, RangeGET_206ReturnsSubrangeRange_NoCachedContent) {
- MockHttpCache cache;
- std::string headers;
- // Request a large range (40-59). The server sends 40-49.
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 40-59\r\n" EXTRA_HEADER;
- transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 10\n"
- "Content-Range: bytes 40-49/80\n";
- transaction.handler = nullptr;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that when a server returns 206 with a sub-range of the requested range,
- // and there was an entry stored in the cache, the cache gets out of the way.
- TEST_F(HttpCacheTest, RangeGET_206ReturnsSubrangeRange_CachedContent) {
- MockHttpCache cache;
- std::string headers;
- // Write to the cache (70-79).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 70-79\r\n" EXTRA_HEADER;
- transaction.data = "rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 70, 79);
- // Request a large range (40-79). The cache will ask the server for 40-59.
- // The server returns 40-49. The cache should consider the server confused and
- // abort caching, restarting the request without caching.
- transaction.request_headers = "Range: bytes = 40-79\r\n" EXTRA_HEADER;
- transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 10\n"
- "Content-Range: bytes 40-49/80\n";
- transaction.handler = nullptr;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- // Two new network requests were issued, one from the cache and another after
- // deleting the entry.
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // The entry was deleted.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that when a server returns 206 with a sub-range of the requested range,
- // and there was an entry stored in the cache, the cache gets out of the way,
- // when the caller is not using ranges.
- TEST_F(HttpCacheTest, GET_206ReturnsSubrangeRange_CachedContent) {
- MockHttpCache cache;
- std::string headers;
- // Write to the cache (70-79).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 70-79\r\n" EXTRA_HEADER;
- transaction.data = "rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 70, 79);
- // Don't ask for a range. The cache will ask the server for 0-69.
- // The server returns 40-49. The cache should consider the server confused and
- // abort caching, restarting the request.
- // The second network request should not be a byte range request so the server
- // should return 200 + "Not a range"
- transaction.request_headers = "X-Return-Default-Range:\r\n" EXTRA_HEADER;
- transaction.data = "Not a range";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_EQ(0U, headers.find("HTTP/1.1 200 OK\n"));
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // The entry was deleted.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that when a server returns 206 with a random range and there is
- // nothing stored in the cache, the returned response is passed to the caller
- // as is. In this context, a WrongRange means that the returned range may or may
- // not have any relationship with the requested range (may or may not be
- // contained). The important part is that the first byte doesn't match the first
- // requested byte.
- TEST_F(HttpCacheTest, RangeGET_206ReturnsWrongRange_NoCachedContent) {
- MockHttpCache cache;
- std::string headers;
- // Request a large range (30-59). The server sends (40-49).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 30-59\r\n" EXTRA_HEADER;
- transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 10\n"
- "Content-Range: bytes 40-49/80\n";
- transaction.handler = nullptr;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // The entry was deleted.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that when a server returns 206 with a random range and there is
- // an entry stored in the cache, the cache gets out of the way.
- TEST_F(HttpCacheTest, RangeGET_206ReturnsWrongRange_CachedContent) {
- MockHttpCache cache;
- std::string headers;
- // Write to the cache (70-79).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 70-79\r\n" EXTRA_HEADER;
- transaction.data = "rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 70, 79);
- // Request a large range (30-79). The cache will ask the server for 30-69.
- // The server returns 40-49. The cache should consider the server confused and
- // abort caching, returning the weird range to the caller.
- transaction.request_headers = "Range: bytes = 30-79\r\n" EXTRA_HEADER;
- transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 10\n"
- "Content-Range: bytes 40-49/80\n";
- transaction.handler = nullptr;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // The entry was deleted.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that when a caller asks for a range beyond EOF, with an empty cache,
- // the response matches the one provided by the server.
- TEST_F(HttpCacheTest, RangeGET_206ReturnsSmallerFile_NoCachedContent) {
- MockHttpCache cache;
- std::string headers;
- // Request a large range (70-99). The server sends 70-79.
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 70-99\r\n" EXTRA_HEADER;
- transaction.data = "rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 70, 79);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- }
- // Tests that when a caller asks for a range beyond EOF, with a cached entry,
- // the cache automatically fixes the request.
- TEST_F(HttpCacheTest, RangeGET_206ReturnsSmallerFile_CachedContent) {
- MockHttpCache cache;
- std::string headers;
- // Write to the cache (40-49).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- // Request a large range (70-99). The server sends 70-79.
- transaction.request_headers = "Range: bytes = 70-99\r\n" EXTRA_HEADER;
- transaction.data = "rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 70, 79);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // The entry was not deleted (the range was automatically fixed).
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that when a caller asks for a not-satisfiable range, the server's
- // response is forwarded to the caller.
- TEST_F(HttpCacheTest, RangeGET_416_NoCachedContent) {
- MockHttpCache cache;
- std::string headers;
- // Request a range beyond EOF (80-99).
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 80-99\r\n" EXTRA_HEADER;
- transaction.data = "";
- transaction.status = "HTTP/1.1 416 Requested Range Not Satisfiable";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_EQ(0U, headers.find(transaction.status));
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // The entry was deleted.
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we cache 301s for range requests.
- TEST_F(HttpCacheTest, RangeGET_301) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.status = "HTTP/1.1 301 Moved Permanently";
- transaction.response_headers = "Location: http://www.bar.com/\n";
- transaction.data = "";
- transaction.handler = nullptr;
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Read from the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that we can cache range requests when the start or end is unknown.
- // We start with one suffix request, followed by a request from a given point.
- TEST_F(HttpCacheTest, UnknownRangeGET_1) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string headers;
- // Write to the cache (70-79).
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = -10\r\n" EXTRA_HEADER;
- transaction.data = "rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 70, 79);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure we are done with the previous transaction.
- base::RunLoop().RunUntilIdle();
- // Write and read from the cache (60-79).
- transaction.request_headers = "Range: bytes = 60-\r\n" EXTRA_HEADER;
- transaction.data = "rg: 60-69 rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 60, 79);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we can cache range requests when the start or end is unknown.
- // We start with one request from a given point, followed by a suffix request.
- // We'll also verify that synchronous cache responses work as intended.
- TEST_F(HttpCacheTest, UnknownRangeGET_2) {
- MockHttpCache cache;
- std::string headers;
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.test_mode = TEST_MODE_SYNC_CACHE_START |
- TEST_MODE_SYNC_CACHE_READ |
- TEST_MODE_SYNC_CACHE_WRITE;
- AddMockTransaction(&transaction);
- // Write to the cache (70-79).
- transaction.request_headers = "Range: bytes = 70-\r\n" EXTRA_HEADER;
- transaction.data = "rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 70, 79);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure we are done with the previous transaction.
- base::RunLoop().RunUntilIdle();
- // Write and read from the cache (60-79).
- transaction.request_headers = "Range: bytes = -20\r\n" EXTRA_HEADER;
- transaction.data = "rg: 60-69 rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 60, 79);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that receiving Not Modified when asking for an open range doesn't mess
- // up things.
- TEST_F(HttpCacheTest, UnknownRangeGET_304) {
- MockHttpCache cache;
- std::string headers;
- MockTransaction transaction(kRangeGET_TransactionOK);
- AddMockTransaction(&transaction);
- RangeTransactionServer handler;
- handler.set_not_modified(true);
- // Ask for the end of the file, without knowing the length.
- transaction.request_headers = "Range: bytes = 70-\r\n" EXTRA_HEADER;
- transaction.data = "";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- // We just bypass the cache.
- EXPECT_EQ(0U, headers.find("HTTP/1.1 304 Not Modified\n"));
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we can handle non-range requests when we have cached a range.
- TEST_F(HttpCacheTest, GET_Previous206) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string headers;
- NetLogWithSource net_log_with_source =
- NetLogWithSource::Make(NetLogSourceType::NONE);
- LoadTimingInfo load_timing_info;
- // Write to the cache (40-49).
- RunTransactionTestWithResponseAndGetTiming(
- cache.http_cache(), kRangeGET_TransactionOK, &headers,
- net_log_with_source, &load_timing_info);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- // Write and read from the cache (0-79), when not asked for a range.
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = EXTRA_HEADER;
- transaction.data = kFullRangeData;
- RunTransactionTestWithResponseAndGetTiming(cache.http_cache(), transaction,
- &headers, net_log_with_source,
- &load_timing_info);
- EXPECT_EQ(0U, headers.find("HTTP/1.1 200 OK\n"));
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we can handle non-range requests when we have cached the first
- // part of the object and the server replies with 304 (Not Modified).
- TEST_F(HttpCacheTest, GET_Previous206_NotModified) {
- MockHttpCache cache;
- MockTransaction transaction(kRangeGET_TransactionOK);
- AddMockTransaction(&transaction);
- std::string headers;
- NetLogWithSource net_log_with_source =
- NetLogWithSource::Make(NetLogSourceType::NONE);
- LoadTimingInfo load_timing_info;
- // Write to the cache (0-9).
- transaction.request_headers = "Range: bytes = 0-9\r\n" EXTRA_HEADER;
- transaction.data = "rg: 00-09 ";
- RunTransactionTestWithResponseAndGetTiming(cache.http_cache(), transaction,
- &headers, net_log_with_source,
- &load_timing_info);
- Verify206Response(headers, 0, 9);
- TestLoadTimingNetworkRequest(load_timing_info);
- // Write to the cache (70-79).
- transaction.request_headers = "Range: bytes = 70-79\r\n" EXTRA_HEADER;
- transaction.data = "rg: 70-79 ";
- RunTransactionTestWithResponseAndGetTiming(cache.http_cache(), transaction,
- &headers, net_log_with_source,
- &load_timing_info);
- Verify206Response(headers, 70, 79);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- // Read from the cache (0-9), write and read from cache (10 - 79).
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- transaction.request_headers = "Foo: bar\r\n" EXTRA_HEADER;
- transaction.data = kFullRangeData;
- RunTransactionTestWithResponseAndGetTiming(cache.http_cache(), transaction,
- &headers, net_log_with_source,
- &load_timing_info);
- EXPECT_EQ(0U, headers.find("HTTP/1.1 200 OK\n"));
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- RemoveMockTransaction(&transaction);
- }
- // Tests that we can handle a regular request to a sparse entry, that results in
- // new content provided by the server (206).
- TEST_F(HttpCacheTest, GET_Previous206_NewContent) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string headers;
- // Write to the cache (0-9).
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 0-9\r\n" EXTRA_HEADER;
- transaction.data = "rg: 00-09 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 0, 9);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Now we'll issue a request without any range that should result first in a
- // 206 (when revalidating), and then in a weird standard answer: the test
- // server will not modify the response so we'll get the default range... a
- // real server will answer with 200.
- MockTransaction transaction2(kRangeGET_TransactionOK);
- transaction2.request_headers = EXTRA_HEADER;
- transaction2.load_flags |= LOAD_VALIDATE_CACHE;
- transaction2.data = "Not a range";
- RangeTransactionServer handler;
- handler.set_modified(true);
- LoadTimingInfo load_timing_info;
- RunTransactionTestWithResponseAndGetTiming(
- cache.http_cache(), transaction2, &headers,
- NetLogWithSource::Make(NetLogSourceType::NONE), &load_timing_info);
- EXPECT_EQ(0U, headers.find("HTTP/1.1 200 OK\n"));
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- // Verify that the previous request deleted the entry.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we can handle cached 206 responses that are not sparse.
- TEST_F(HttpCacheTest, GET_Previous206_NotSparse) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- // Create a disk cache entry that stores 206 headers while not being sparse.
- disk_cache::Entry* entry;
- ASSERT_TRUE(cache.CreateBackendEntry(request.CacheKey(), &entry, nullptr));
- std::string raw_headers(kRangeGET_TransactionOK.status);
- raw_headers.append("\n");
- raw_headers.append(kRangeGET_TransactionOK.response_headers);
- HttpResponseInfo response;
- response.headers = base::MakeRefCounted<HttpResponseHeaders>(
- HttpUtil::AssembleRawHeaders(raw_headers));
- EXPECT_TRUE(MockHttpCache::WriteResponseInfo(entry, &response, true, false));
- scoped_refptr<IOBuffer> buf(base::MakeRefCounted<IOBuffer>(500));
- int len = static_cast<int>(base::strlcpy(buf->data(),
- kRangeGET_TransactionOK.data, 500));
- TestCompletionCallback cb;
- int rv = entry->WriteData(1, 0, buf.get(), len, cb.callback(), true);
- EXPECT_EQ(len, cb.GetResult(rv));
- entry->Close();
- // Now see that we don't use the stored entry.
- std::string headers;
- LoadTimingInfo load_timing_info;
- RunTransactionTestWithResponseAndGetTiming(
- cache.http_cache(), kSimpleGET_Transaction, &headers,
- NetLogWithSource::Make(NetLogSourceType::NONE), &load_timing_info);
- // We are expecting a 200.
- std::string expected_headers(kSimpleGET_Transaction.status);
- expected_headers.append("\n");
- expected_headers.append(kSimpleGET_Transaction.response_headers);
- EXPECT_EQ(expected_headers, headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- TestLoadTimingNetworkRequest(load_timing_info);
- }
- // Tests that we can handle cached 206 responses that are not sparse. This time
- // we issue a range request and expect to receive a range.
- TEST_F(HttpCacheTest, RangeGET_Previous206_NotSparse_2) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- // Create a disk cache entry that stores 206 headers while not being sparse.
- MockHttpRequest request(kRangeGET_TransactionOK);
- disk_cache::Entry* entry;
- ASSERT_TRUE(cache.CreateBackendEntry(request.CacheKey(), &entry, nullptr));
- std::string raw_headers(kRangeGET_TransactionOK.status);
- raw_headers.append("\n");
- raw_headers.append(kRangeGET_TransactionOK.response_headers);
- HttpResponseInfo response;
- response.headers = base::MakeRefCounted<HttpResponseHeaders>(
- HttpUtil::AssembleRawHeaders(raw_headers));
- EXPECT_TRUE(MockHttpCache::WriteResponseInfo(entry, &response, true, false));
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(500);
- int len = static_cast<int>(base::strlcpy(buf->data(),
- kRangeGET_TransactionOK.data, 500));
- TestCompletionCallback cb;
- int rv = entry->WriteData(1, 0, buf.get(), len, cb.callback(), true);
- EXPECT_EQ(len, cb.GetResult(rv));
- entry->Close();
- // Now see that we don't use the stored entry.
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- // We are expecting a 206.
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we can handle cached 206 responses that can't be validated.
- TEST_F(HttpCacheTest, GET_Previous206_NotValidation) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- // Create a disk cache entry that stores 206 headers.
- disk_cache::Entry* entry;
- ASSERT_TRUE(cache.CreateBackendEntry(request.CacheKey(), &entry, nullptr));
- // Make sure that the headers cannot be validated with the server.
- std::string raw_headers(kRangeGET_TransactionOK.status);
- raw_headers.append("\n");
- raw_headers.append("Content-Length: 80\n");
- HttpResponseInfo response;
- response.headers = base::MakeRefCounted<HttpResponseHeaders>(
- HttpUtil::AssembleRawHeaders(raw_headers));
- EXPECT_TRUE(MockHttpCache::WriteResponseInfo(entry, &response, true, false));
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(500);
- int len = static_cast<int>(base::strlcpy(buf->data(),
- kRangeGET_TransactionOK.data, 500));
- TestCompletionCallback cb;
- int rv = entry->WriteData(1, 0, buf.get(), len, cb.callback(), true);
- EXPECT_EQ(len, cb.GetResult(rv));
- entry->Close();
- // Now see that we don't use the stored entry.
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), kSimpleGET_Transaction,
- &headers);
- // We are expecting a 200.
- std::string expected_headers(kSimpleGET_Transaction.status);
- expected_headers.append("\n");
- expected_headers.append(kSimpleGET_Transaction.response_headers);
- EXPECT_EQ(expected_headers, headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we can handle range requests with cached 200 responses.
- TEST_F(HttpCacheTest, RangeGET_Previous200) {
- MockHttpCache cache;
- // Store the whole thing with status 200.
- MockTransaction transaction(kTypicalGET_Transaction);
- transaction.url = kRangeGET_TransactionOK.url;
- transaction.data = kFullRangeData;
- AddMockTransaction(&transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- AddMockTransaction(&kRangeGET_TransactionOK);
- // Now see that we use the stored entry.
- std::string headers;
- MockTransaction transaction2(kRangeGET_TransactionOK);
- RangeTransactionServer handler;
- handler.set_not_modified(true);
- RunTransactionTestWithResponse(cache.http_cache(), transaction2, &headers);
- // We are expecting a 206.
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // The last transaction has finished so make sure the entry is deactivated.
- base::RunLoop().RunUntilIdle();
- // Make a request for an invalid range.
- MockTransaction transaction3(kRangeGET_TransactionOK);
- transaction3.request_headers = "Range: bytes = 80-90\r\n" EXTRA_HEADER;
- transaction3.data = transaction.data;
- transaction3.load_flags = LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTestWithResponse(cache.http_cache(), transaction3, &headers);
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(0U, headers.find("HTTP/1.1 200 "));
- EXPECT_EQ(std::string::npos, headers.find("Content-Range:"));
- EXPECT_EQ(std::string::npos, headers.find("Content-Length: 80"));
- // Make sure the entry is deactivated.
- base::RunLoop().RunUntilIdle();
- // Even though the request was invalid, we should have the entry.
- RunTransactionTest(cache.http_cache(), transaction2);
- EXPECT_EQ(3, cache.disk_cache()->open_count());
- // Make sure the entry is deactivated.
- base::RunLoop().RunUntilIdle();
- // Now we should receive a range from the server and drop the stored entry.
- handler.set_not_modified(false);
- transaction2.request_headers = kRangeGET_TransactionOK.request_headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction2, &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(4, cache.network_layer()->transaction_count());
- EXPECT_EQ(4, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTest(cache.http_cache(), transaction2);
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we can handle a 200 response when dealing with sparse entries.
- TEST_F(HttpCacheTest, RangeRequestResultsIn200) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string headers;
- // Write to the cache (70-79).
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = -10\r\n" EXTRA_HEADER;
- transaction.data = "rg: 70-79 ";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 70, 79);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Now we'll issue a request that results in a plain 200 response, but to
- // the to the same URL that we used to store sparse data, and making sure
- // that we ask for a range.
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- MockTransaction transaction2(kSimpleGET_Transaction);
- transaction2.url = kRangeGET_TransactionOK.url;
- transaction2.request_headers = kRangeGET_TransactionOK.request_headers;
- AddMockTransaction(&transaction2);
- RunTransactionTestWithResponse(cache.http_cache(), transaction2, &headers);
- std::string expected_headers(kSimpleGET_Transaction.status);
- expected_headers.append("\n");
- expected_headers.append(kSimpleGET_Transaction.response_headers);
- EXPECT_EQ(expected_headers, headers);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction2);
- }
- // Tests that a range request that falls outside of the size that we know about
- // only deletes the entry if the resource has indeed changed.
- TEST_F(HttpCacheTest, RangeGET_MoreThanCurrentSize) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string headers;
- // Write to the cache (40-49).
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // A weird request should not delete this entry. Ask for bytes 120-.
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 120-\r\n" EXTRA_HEADER;
- transaction.data = "";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_EQ(0U, headers.find("HTTP/1.1 416 "));
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we don't delete a sparse entry when we cancel a request.
- TEST_F(HttpCacheTest, RangeGET_Cancel) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- MockHttpRequest request(kRangeGET_TransactionOK);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that the entry has some data stored.
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(10);
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(buf->size(), rv);
- // Destroy the transaction.
- c.reset();
- // Verify that the entry has not been deleted.
- disk_cache::Entry* entry;
- ASSERT_TRUE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- entry->Close();
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we don't mark an entry as truncated if it is partial and not
- // already truncated.
- TEST_F(HttpCacheTest, RangeGET_CancelWhileReading) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- MockHttpRequest request(kRangeGET_TransactionOK);
- auto context = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&context->trans);
- ASSERT_THAT(rv, IsOk());
- rv = context->trans->Start(&request, context->callback.callback(),
- NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = context->callback.WaitForResult();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Start Read.
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(5);
- rv = context->trans->Read(buf.get(), buf->size(),
- context->callback.callback());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- // Destroy the transaction.
- context.reset();
- // Complete Read.
- base::RunLoop().RunUntilIdle();
- // Verify that the entry has not been marked as truncated.
- VerifyTruncatedFlag(&cache, request.CacheKey(), false, 0);
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we don't delete a sparse entry when we start a new request after
- // cancelling the previous one.
- TEST_F(HttpCacheTest, RangeGET_Cancel2) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- MockHttpRequest request(kRangeGET_TransactionOK);
- request.load_flags |= LOAD_VALIDATE_CACHE;
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that we revalidate the entry and read from the cache (a single
- // read will return while waiting for the network).
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(5);
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- EXPECT_EQ(5, c->callback.GetResult(rv));
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- // Destroy the transaction before completing the read.
- c.reset();
- // We have the read and the delete (OnProcessPendingQueue) waiting on the
- // message loop. This means that a new transaction will just reuse the same
- // active entry (no open or create).
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // A slight variation of the previous test, this time we cancel two requests in
- // a row, making sure that the second is waiting for the entry to be ready.
- TEST_F(HttpCacheTest, RangeGET_Cancel3) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- MockHttpRequest request(kRangeGET_TransactionOK);
- request.load_flags |= LOAD_VALIDATE_CACHE;
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- rv = c->callback.WaitForResult();
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that we revalidate the entry and read from the cache (a single
- // read will return while waiting for the network).
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(5);
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- EXPECT_EQ(5, c->callback.GetResult(rv));
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- // Destroy the previous transaction before completing the read.
- c.reset();
- // We have the read and the delete (OnProcessPendingQueue) waiting on the
- // message loop. This means that a new transaction will just reuse the same
- // active entry (no open or create).
- c = std::make_unique<Context>();
- rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- MockDiskEntry::IgnoreCallbacks(true);
- base::RunLoop().RunUntilIdle();
- MockDiskEntry::IgnoreCallbacks(false);
- // The new transaction is waiting for the query range callback.
- c.reset();
- // And we should not crash when the callback is delivered.
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that an invalid range response results in no cached entry.
- TEST_F(HttpCacheTest, RangeGET_InvalidResponse1) {
- MockHttpCache cache;
- std::string headers;
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.handler = nullptr;
- transaction.response_headers = "Content-Range: bytes 40-49/45\n"
- "Content-Length: 10\n";
- AddMockTransaction(&transaction);
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- std::string expected(transaction.status);
- expected.append("\n");
- expected.append(transaction.response_headers);
- EXPECT_EQ(expected, headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Verify that we don't have a cached entry.
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- EXPECT_FALSE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we reject a range that doesn't match the content-length.
- TEST_F(HttpCacheTest, RangeGET_InvalidResponse2) {
- MockHttpCache cache;
- std::string headers;
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.handler = nullptr;
- transaction.response_headers = "Content-Range: bytes 40-49/80\n"
- "Content-Length: 20\n";
- AddMockTransaction(&transaction);
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- std::string expected(transaction.status);
- expected.append("\n");
- expected.append(transaction.response_headers);
- EXPECT_EQ(expected, headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Verify that we don't have a cached entry.
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- EXPECT_FALSE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that if a server tells us conflicting information about a resource we
- // drop the entry.
- TEST_F(HttpCacheTest, RangeGET_InvalidResponse3) {
- MockHttpCache cache;
- std::string headers;
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.handler = nullptr;
- transaction.request_headers = "Range: bytes = 50-59\r\n" EXTRA_HEADER;
- std::string response_headers(transaction.response_headers);
- response_headers.append("Content-Range: bytes 50-59/160\n");
- transaction.response_headers = response_headers.c_str();
- AddMockTransaction(&transaction);
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 50, 59);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- AddMockTransaction(&kRangeGET_TransactionOK);
- // This transaction will report a resource size of 80 bytes, and we think it's
- // 160 so we should ignore the response.
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Verify that the entry is gone.
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we handle large range values properly.
- TEST_F(HttpCacheTest, RangeGET_LargeValues) {
- // We need a real sparse cache for this test.
- MockHttpCache cache(HttpCache::DefaultBackend::InMemory(1024 * 1024));
- std::string headers;
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.handler = nullptr;
- transaction.request_headers = "Range: bytes = 4294967288-4294967297\r\n"
- EXTRA_HEADER;
- transaction.response_headers =
- "ETag: \"foo\"\n"
- "Content-Range: bytes 4294967288-4294967297/4294967299\n"
- "Content-Length: 10\n";
- AddMockTransaction(&transaction);
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- std::string expected(transaction.status);
- expected.append("\n");
- expected.append(transaction.response_headers);
- EXPECT_EQ(expected, headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // Verify that we have a cached entry.
- disk_cache::Entry* en;
- MockHttpRequest request(transaction);
- ASSERT_TRUE(cache.OpenBackendEntry(request.CacheKey(), &en));
- en->Close();
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we don't crash with a range request if the disk cache was not
- // initialized properly.
- TEST_F(HttpCacheTest, RangeGET_NoDiskCache) {
- auto factory = std::make_unique<MockBlockingBackendFactory>();
- factory->set_fail(true);
- factory->FinishCreation(); // We'll complete synchronously.
- MockHttpCache cache(std::move(factory));
- AddMockTransaction(&kRangeGET_TransactionOK);
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we handle byte range requests that skip the cache.
- TEST_F(HttpCacheTest, RangeHEAD) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = -10\r\n" EXTRA_HEADER;
- transaction.method = "HEAD";
- transaction.data = "rg: 70-79 ";
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- Verify206Response(headers, 70, 79);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(0, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we don't crash when after reading from the cache we issue a
- // request for the next range and the server gives us a 200 synchronously.
- TEST_F(HttpCacheTest, RangeGET_FastFlakyServer) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 40-\r\n" EXTRA_HEADER;
- transaction.test_mode = TEST_MODE_SYNC_NET_START;
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- // And now read from the cache and the network.
- RangeTransactionServer handler;
- handler.set_bad_200(true);
- transaction.data = "Not a range";
- RecordingNetLogObserver net_log_observer;
- RunTransactionTestWithLog(cache.http_cache(), transaction,
- NetLogWithSource::Make(NetLogSourceType::NONE));
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- EXPECT_TRUE(LogContainsEventType(
- net_log_observer, NetLogEventType::HTTP_CACHE_RE_SEND_PARTIAL_REQUEST));
- }
- // Tests that when the server gives us less data than expected, we don't keep
- // asking for more data.
- TEST_F(HttpCacheTest, RangeGET_FastFlakyServer2) {
- MockHttpCache cache;
- // First, check with an empty cache (WRITE mode).
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 40-49\r\n" EXTRA_HEADER;
- transaction.data = "rg: 40-"; // Less than expected.
- transaction.handler = nullptr;
- std::string headers(transaction.response_headers);
- headers.append("Content-Range: bytes 40-49/80\n");
- transaction.response_headers = headers.c_str();
- AddMockTransaction(&transaction);
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Now verify that even in READ_WRITE mode, we forward the bad response to
- // the caller.
- transaction.request_headers = "Range: bytes = 60-69\r\n" EXTRA_HEADER;
- transaction.data = "rg: 60-"; // Less than expected.
- headers = kRangeGET_TransactionOK.response_headers;
- headers.append("Content-Range: bytes 60-69/80\n");
- transaction.response_headers = headers.c_str();
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- #if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON)
- // This test hits a NOTREACHED so it is a release mode only test.
- TEST_F(HttpCacheTest, RangeGET_OK_LoadOnlyFromCache) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- // Write to the cache (40-49).
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Force this transaction to read from the cache.
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- MockHttpRequest request(transaction);
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- int rv = cache.http_cache()->CreateTransaction(DEFAULT_PRIORITY, &trans);
- EXPECT_THAT(rv, IsOk());
- ASSERT_TRUE(trans.get());
- rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_THAT(rv, IsError(ERR_CACHE_MISS));
- trans.reset();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- #endif
- // Tests the handling of the "truncation" flag.
- TEST_F(HttpCacheTest, WriteResponseInfo_Truncated) {
- MockHttpCache cache;
- disk_cache::Entry* entry;
- ASSERT_TRUE(cache.CreateBackendEntry(
- GenerateCacheKey("http://www.google.com"), &entry, nullptr));
- HttpResponseInfo response;
- response.headers = base::MakeRefCounted<HttpResponseHeaders>(
- HttpUtil::AssembleRawHeaders("HTTP/1.1 200 OK"));
- // Set the last argument for this to be an incomplete request.
- EXPECT_TRUE(MockHttpCache::WriteResponseInfo(entry, &response, true, true));
- bool truncated = false;
- EXPECT_TRUE(MockHttpCache::ReadResponseInfo(entry, &response, &truncated));
- EXPECT_TRUE(truncated);
- // And now test the opposite case.
- EXPECT_TRUE(MockHttpCache::WriteResponseInfo(entry, &response, true, false));
- truncated = true;
- EXPECT_TRUE(MockHttpCache::ReadResponseInfo(entry, &response, &truncated));
- EXPECT_FALSE(truncated);
- entry->Close();
- }
- // Tests basic pickling/unpickling of HttpResponseInfo.
- TEST_F(HttpCacheTest, PersistHttpResponseInfo) {
- const IPEndPoint expected_endpoint = IPEndPoint(IPAddress(1, 2, 3, 4), 80);
- // Set some fields (add more if needed.)
- HttpResponseInfo response1;
- response1.was_cached = false;
- response1.remote_endpoint = expected_endpoint;
- response1.headers =
- base::MakeRefCounted<HttpResponseHeaders>("HTTP/1.1 200 OK");
- // Pickle.
- base::Pickle pickle;
- response1.Persist(&pickle, false, false);
- // Unpickle.
- HttpResponseInfo response2;
- bool response_truncated;
- EXPECT_TRUE(response2.InitFromPickle(pickle, &response_truncated));
- EXPECT_FALSE(response_truncated);
- // Verify fields.
- EXPECT_TRUE(response2.was_cached); // InitFromPickle sets this flag.
- EXPECT_EQ(expected_endpoint, response2.remote_endpoint);
- EXPECT_EQ("HTTP/1.1 200 OK", response2.headers->GetStatusLine());
- }
- // Tests that we delete an entry when the request is cancelled before starting
- // to read from the network.
- TEST_F(HttpCacheTest, DoomOnDestruction) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- c->result = c->callback.WaitForResult();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Destroy the transaction. We only have the headers so we should delete this
- // entry.
- c.reset();
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we delete an entry when the request is cancelled if the response
- // does not have content-length and strong validators.
- TEST_F(HttpCacheTest, DoomOnDestruction2) {
- MockHttpCache cache;
- MockHttpRequest request(kSimpleGET_Transaction);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that the entry has some data stored.
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(10);
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(buf->size(), rv);
- // Destroy the transaction.
- c.reset();
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we delete an entry when the request is cancelled if the response
- // has an "Accept-Ranges: none" header.
- TEST_F(HttpCacheTest, DoomOnDestruction3) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers =
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Content-Length: 22\n"
- "Accept-Ranges: none\n"
- "Etag: \"foopy\"\n";
- AddMockTransaction(&transaction);
- MockHttpRequest request(transaction);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that the entry has some data stored.
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(10);
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(buf->size(), rv);
- // Destroy the transaction.
- c.reset();
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&transaction);
- }
- // Tests that we mark an entry as incomplete when the request is cancelled.
- TEST_F(HttpCacheTest, SetTruncatedFlag) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers =
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Content-Length: 22\n"
- "Etag: \"foopy\"\n";
- MockHttpRequest request(transaction);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that the entry has some data stored.
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(10);
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(buf->size(), rv);
- // We want to cancel the request when the transaction is busy.
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- EXPECT_FALSE(c->callback.have_result());
- // Destroy the transaction.
- c->trans.reset();
- // Make sure that we don't invoke the callback. We may have an issue if the
- // UrlRequestJob is killed directly (without cancelling the UrlRequest) so we
- // could end up with the transaction being deleted twice if we send any
- // notification from the transaction destructor (see http://crbug.com/31723).
- EXPECT_FALSE(c->callback.have_result());
- base::RunLoop().RunUntilIdle();
- VerifyTruncatedFlag(&cache, request.CacheKey(), true, 0);
- }
- // Tests that we do not mark an entry as truncated when the request is
- // cancelled.
- TEST_F(HttpCacheTest, DontSetTruncatedFlagForGarbledResponseCode) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers =
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Content-Length: 22\n"
- "Etag: \"foopy\"\n";
- transaction.status = "HTTP/1.1 2";
- MockHttpRequest request(transaction);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Make sure that the entry has some data stored.
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(10);
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- EXPECT_EQ(buf->size(), rv);
- // We want to cancel the request when the transaction is busy.
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
- EXPECT_FALSE(c->callback.have_result());
- MockHttpCache::SetTestMode(TEST_MODE_SYNC_ALL);
- // Destroy the transaction.
- c->trans.reset();
- MockHttpCache::SetTestMode(0);
- // Make sure that we don't invoke the callback. We may have an issue if the
- // UrlRequestJob is killed directly (without cancelling the UrlRequest) so we
- // could end up with the transaction being deleted twice if we send any
- // notification from the transaction destructor (see http://crbug.com/31723).
- EXPECT_FALSE(c->callback.have_result());
- // Verify that the entry is deleted as well, since the response status is
- // garbled. Note that the entry will be deleted after the pending Read is
- // complete.
- base::RunLoop().RunUntilIdle();
- disk_cache::Entry* entry;
- ASSERT_FALSE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- }
- // Tests that we don't mark an entry as truncated when we read everything.
- TEST_F(HttpCacheTest, DontSetTruncatedFlag) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers =
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Content-Length: 22\n"
- "Etag: \"foopy\"\n";
- MockHttpRequest request(transaction);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_THAT(c->callback.GetResult(rv), IsOk());
- // Read everything.
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(22);
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- EXPECT_EQ(buf->size(), c->callback.GetResult(rv));
- // Destroy the transaction.
- c->trans.reset();
- // Verify that the entry is not marked as truncated.
- VerifyTruncatedFlag(&cache, request.CacheKey(), false, 0);
- }
- // Tests that sparse entries don't set the truncate flag.
- TEST_F(HttpCacheTest, RangeGET_DontTruncate) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 0-19\r\n" EXTRA_HEADER;
- auto request = std::make_unique<MockHttpRequest>(transaction);
- std::unique_ptr<HttpTransaction> trans;
- int rv = cache.http_cache()->CreateTransaction(DEFAULT_PRIORITY, &trans);
- EXPECT_THAT(rv, IsOk());
- TestCompletionCallback cb;
- rv = trans->Start(request.get(), cb.callback(), NetLogWithSource());
- EXPECT_EQ(0, cb.GetResult(rv));
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(10);
- rv = trans->Read(buf.get(), 10, cb.callback());
- EXPECT_EQ(10, cb.GetResult(rv));
- // Should not trigger any DCHECK.
- trans.reset();
- VerifyTruncatedFlag(&cache, request->CacheKey(), false, 0);
- }
- // Tests that sparse entries don't set the truncate flag (when the byte range
- // starts after 0).
- TEST_F(HttpCacheTest, RangeGET_DontTruncate2) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 30-49\r\n" EXTRA_HEADER;
- auto request = std::make_unique<MockHttpRequest>(transaction);
- std::unique_ptr<HttpTransaction> trans;
- int rv = cache.http_cache()->CreateTransaction(DEFAULT_PRIORITY, &trans);
- EXPECT_THAT(rv, IsOk());
- TestCompletionCallback cb;
- rv = trans->Start(request.get(), cb.callback(), NetLogWithSource());
- EXPECT_EQ(0, cb.GetResult(rv));
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(10);
- rv = trans->Read(buf.get(), 10, cb.callback());
- EXPECT_EQ(10, cb.GetResult(rv));
- // Should not trigger any DCHECK.
- trans.reset();
- VerifyTruncatedFlag(&cache, request->CacheKey(), false, 0);
- }
- // Tests that we can continue with a request that was interrupted.
- TEST_F(HttpCacheTest, GET_IncompleteResource) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- // Now make a regular request.
- std::string headers;
- transaction.request_headers = EXTRA_HEADER;
- transaction.data = kFullRangeData;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- // We update the headers with the ones received while revalidating.
- std::string expected_headers(
- "HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "Accept-Ranges: bytes\n"
- "ETag: \"foo\"\n"
- "Content-Length: 80\n");
- EXPECT_EQ(expected_headers, headers);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Verify that the disk entry was updated.
- MockHttpRequest request(transaction);
- VerifyTruncatedFlag(&cache, request.CacheKey(), false, 80);
- }
- // Tests the handling of no-store when revalidating a truncated entry.
- TEST_F(HttpCacheTest, GET_IncompleteResource_NoStore) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- // Now make a regular request.
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = EXTRA_HEADER;
- std::string response_headers(transaction.response_headers);
- response_headers += ("Cache-Control: no-store\n");
- transaction.response_headers = response_headers.c_str();
- transaction.data = kFullRangeData;
- AddMockTransaction(&transaction);
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- // We update the headers with the ones received while revalidating.
- std::string expected_headers(
- "HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "Accept-Ranges: bytes\n"
- "Cache-Control: no-store\n"
- "ETag: \"foo\"\n"
- "Content-Length: 80\n");
- EXPECT_EQ(expected_headers, headers);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Verify that the disk entry was deleted.
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- EXPECT_FALSE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- RemoveMockTransaction(&transaction);
- }
- // Tests cancelling a request after the server sent no-store.
- TEST_F(HttpCacheTest, GET_IncompleteResource_Cancel) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- // Now make a regular request.
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = EXTRA_HEADER;
- std::string response_headers(transaction.response_headers);
- response_headers += ("Cache-Control: no-store\n");
- transaction.response_headers = response_headers.c_str();
- transaction.data = kFullRangeData;
- AddMockTransaction(&transaction);
- MockHttpRequest request(transaction);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- // Queue another request to this transaction. We have to start this request
- // before the first one gets the response from the server and dooms the entry,
- // otherwise it will just create a new entry without being queued to the first
- // request.
- auto pending = std::make_unique<Context>();
- ASSERT_THAT(cache.CreateTransaction(&pending->trans), IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_EQ(ERR_IO_PENDING,
- pending->trans->Start(&request, pending->callback.callback(),
- NetLogWithSource()));
- EXPECT_THAT(c->callback.GetResult(rv), IsOk());
- // Make sure that the entry has some data stored.
- scoped_refptr<IOBufferWithSize> buf =
- base::MakeRefCounted<IOBufferWithSize>(5);
- rv = c->trans->Read(buf.get(), buf->size(), c->callback.callback());
- EXPECT_EQ(5, c->callback.GetResult(rv));
- // Since |pending| is currently validating the already written headers
- // it will be restarted as well.
- c.reset();
- pending.reset();
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- base::RunLoop().RunUntilIdle();
- RemoveMockTransaction(&transaction);
- }
- // Tests that we delete truncated entries if the server changes its mind midway.
- TEST_F(HttpCacheTest, GET_IncompleteResource2) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- // Content-length will be intentionally bad.
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 50\n");
- CreateTruncatedEntry(raw_headers, &cache);
- // Now make a regular request. We expect the code to fail the validation and
- // retry the request without using byte ranges.
- std::string headers;
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = EXTRA_HEADER;
- transaction.data = "Not a range";
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- // The server will return 200 instead of a byte range.
- std::string expected_headers(
- "HTTP/1.1 200 OK\n"
- "Date: Wed, 28 Nov 2007 09:40:09 GMT\n");
- EXPECT_EQ(expected_headers, headers);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Verify that the disk entry was deleted.
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- ASSERT_FALSE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we always validate a truncated request.
- TEST_F(HttpCacheTest, GET_IncompleteResource3) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- // This should not require validation for 10 hours.
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2009 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Cache-Control: max-age= 36000\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- // Now make a regular request.
- std::string headers;
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = EXTRA_HEADER;
- transaction.data = kFullRangeData;
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- MockHttpRequest request(transaction);
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_THAT(c->callback.GetResult(rv), IsOk());
- // We should have checked with the server before finishing Start().
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Tests that we handle 401s for truncated resources.
- TEST_F(HttpCacheTest, GET_IncompleteResourceWithAuth) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- // Now make a regular request.
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "X-Require-Mock-Auth: dummy\r\n"
- EXTRA_HEADER;
- transaction.data = kFullRangeData;
- RangeTransactionServer handler;
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- MockHttpRequest request(transaction);
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_THAT(c->callback.GetResult(rv), IsOk());
- const HttpResponseInfo* response = c->trans->GetResponseInfo();
- ASSERT_TRUE(response);
- ASSERT_EQ(401, response->headers->response_code());
- rv = c->trans->RestartWithAuth(AuthCredentials(), c->callback.callback());
- EXPECT_THAT(c->callback.GetResult(rv), IsOk());
- response = c->trans->GetResponseInfo();
- ASSERT_TRUE(response);
- ASSERT_EQ(200, response->headers->response_code());
- ReadAndVerifyTransaction(c->trans.get(), transaction);
- c.reset(); // The destructor could delete the entry.
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- // Verify that the entry was deleted.
- disk_cache::Entry* entry;
- ASSERT_TRUE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- entry->Close();
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- // Test that the transaction won't retry failed partial requests
- // after it starts reading data. http://crbug.com/474835
- TEST_F(HttpCacheTest, TransactionRetryLimit) {
- MockHttpCache cache;
- // Cache 0-9, so that we have data to read before failing.
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 0-9\r\n" EXTRA_HEADER;
- transaction.data = "rg: 00-09 ";
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // And now read from the cache and the network. 10-19 will get a
- // 401, but will have already returned 0-9.
- // We do not set X-Require-Mock-Auth because that causes the mock
- // network transaction to become IsReadyToRestartForAuth().
- transaction.request_headers =
- "Range: bytes = 0-79\r\n"
- "X-Require-Mock-Auth-Alt: dummy\r\n" EXTRA_HEADER;
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- MockHttpRequest request(transaction);
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = c->callback.WaitForResult();
- std::string content;
- rv = ReadTransaction(c->trans.get(), &content);
- EXPECT_THAT(rv, IsError(ERR_CACHE_AUTH_FAILURE_AFTER_READ));
- }
- // Tests that we cache a 200 response to the validation request.
- TEST_F(HttpCacheTest, GET_IncompleteResource4) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2009 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- // Now make a regular request.
- std::string headers;
- transaction.request_headers = EXTRA_HEADER;
- transaction.data = "Not a range";
- RangeTransactionServer handler;
- handler.set_bad_200(true);
- RunTransactionTestWithResponse(cache.http_cache(), transaction, &headers);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Verify that the disk entry was updated.
- MockHttpRequest request(transaction);
- VerifyTruncatedFlag(&cache, request.CacheKey(), false, 11);
- }
- // Tests that when we cancel a request that was interrupted, we mark it again
- // as truncated.
- TEST_F(HttpCacheTest, GET_CancelIncompleteResource) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kRangeGET_TransactionOK);
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2009 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- // Now make a regular request.
- transaction.request_headers = EXTRA_HEADER;
- MockHttpRequest request(transaction);
- auto c = std::make_unique<Context>();
- int rv = cache.CreateTransaction(&c->trans);
- ASSERT_THAT(rv, IsOk());
- rv = c->trans->Start(&request, c->callback.callback(), NetLogWithSource());
- EXPECT_THAT(c->callback.GetResult(rv), IsOk());
- // Read 20 bytes from the cache, and 10 from the net.
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(100);
- rv = c->trans->Read(buf.get(), 20, c->callback.callback());
- EXPECT_EQ(20, c->callback.GetResult(rv));
- rv = c->trans->Read(buf.get(), 10, c->callback.callback());
- EXPECT_EQ(10, c->callback.GetResult(rv));
- // At this point, we are already reading so canceling the request should leave
- // a truncated one.
- c.reset();
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Verify that the disk entry was updated: now we have 30 bytes.
- VerifyTruncatedFlag(&cache, request.CacheKey(), true, 30);
- }
- // Tests that we can handle range requests when we have a truncated entry.
- TEST_F(HttpCacheTest, RangeGET_IncompleteResource) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- // Content-length will be intentionally bogus.
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: something\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 10\n");
- CreateTruncatedEntry(raw_headers, &cache);
- // Now make a range request.
- std::string headers;
- RunTransactionTestWithResponse(cache.http_cache(), kRangeGET_TransactionOK,
- &headers);
- Verify206Response(headers, 40, 49);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- TEST_F(HttpCacheTest, SyncRead) {
- MockHttpCache cache;
- // This test ensures that a read that completes synchronously does not cause
- // any problems.
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.test_mode |= (TEST_MODE_SYNC_CACHE_START |
- TEST_MODE_SYNC_CACHE_READ |
- TEST_MODE_SYNC_CACHE_WRITE);
- MockHttpRequest r1(transaction),
- r2(transaction),
- r3(transaction);
- TestTransactionConsumer c1(DEFAULT_PRIORITY, cache.http_cache()),
- c2(DEFAULT_PRIORITY, cache.http_cache()),
- c3(DEFAULT_PRIORITY, cache.http_cache());
- c1.Start(&r1, NetLogWithSource());
- r2.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- c2.Start(&r2, NetLogWithSource());
- r3.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- c3.Start(&r3, NetLogWithSource());
- base::RunLoop().Run();
- EXPECT_TRUE(c1.is_done());
- EXPECT_TRUE(c2.is_done());
- EXPECT_TRUE(c3.is_done());
- EXPECT_THAT(c1.error(), IsOk());
- EXPECT_THAT(c2.error(), IsOk());
- EXPECT_THAT(c3.error(), IsOk());
- }
- TEST_F(HttpCacheTest, ValidationResultsIn200) {
- MockHttpCache cache;
- // This test ensures that a conditional request, which results in a 200
- // instead of a 304, properly truncates the existing response data.
- // write to the cache
- RunTransactionTest(cache.http_cache(), kETagGET_Transaction);
- // force this transaction to validate the cache
- MockTransaction transaction(kETagGET_Transaction);
- transaction.load_flags |= LOAD_VALIDATE_CACHE;
- RunTransactionTest(cache.http_cache(), transaction);
- // read from the cache
- RunTransactionTest(cache.http_cache(), kETagGET_Transaction);
- }
- TEST_F(HttpCacheTest, CachedRedirect) {
- MockHttpCache cache;
- ScopedMockTransaction kTestTransaction(kSimpleGET_Transaction);
- kTestTransaction.status = "HTTP/1.1 301 Moved Permanently";
- kTestTransaction.response_headers = "Location: http://www.bar.com/\n";
- MockHttpRequest request(kTestTransaction);
- TestCompletionCallback callback;
- // Write to the cache.
- {
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_THAT(rv, IsOk());
- const HttpResponseInfo* info = trans->GetResponseInfo();
- ASSERT_TRUE(info);
- EXPECT_EQ(info->headers->response_code(), 301);
- std::string location;
- info->headers->EnumerateHeader(nullptr, "Location", &location);
- EXPECT_EQ(location, "http://www.bar.com/");
- // Mark the transaction as completed so it is cached.
- trans->DoneReading();
- // Destroy transaction when going out of scope. We have not actually
- // read the response body -- want to test that it is still getting cached.
- }
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Active entries in the cache are not retired synchronously. Make
- // sure the next run hits the MockHttpCache and open_count is
- // correct.
- base::RunLoop().RunUntilIdle();
- // Read from the cache.
- {
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_THAT(rv, IsOk());
- const HttpResponseInfo* info = trans->GetResponseInfo();
- ASSERT_TRUE(info);
- EXPECT_EQ(info->headers->response_code(), 301);
- std::string location;
- info->headers->EnumerateHeader(nullptr, "Location", &location);
- EXPECT_EQ(location, "http://www.bar.com/");
- // Mark the transaction as completed so it is cached.
- trans->DoneReading();
- // Destroy transaction when going out of scope. We have not actually
- // read the response body -- want to test that it is still getting cached.
- }
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Verify that no-cache resources are stored in cache, but are not fetched from
- // cache during normal loads.
- TEST_F(HttpCacheTest, CacheControlNoCacheNormalLoad) {
- for (bool use_memory_entry_data : {false, true}) {
- MockHttpCache cache;
- cache.disk_cache()->set_support_in_memory_entry_data(use_memory_entry_data);
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers = "cache-control: no-cache\n";
- // Initial load.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Try loading again; it should result in a network fetch.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- if (use_memory_entry_data) {
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- } else {
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- EXPECT_TRUE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- entry->Close();
- }
- }
- // Verify that no-cache resources are stored in cache and fetched from cache
- // when the LOAD_SKIP_CACHE_VALIDATION flag is set.
- TEST_F(HttpCacheTest, CacheControlNoCacheHistoryLoad) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers = "cache-control: no-cache\n";
- // Initial load.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // Try loading again with LOAD_SKIP_CACHE_VALIDATION.
- transaction.load_flags = LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- EXPECT_TRUE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- entry->Close();
- }
- TEST_F(HttpCacheTest, CacheControlNoStore) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers = "cache-control: no-store\n";
- // initial load
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // try loading again; it should result in a network fetch
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- EXPECT_FALSE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- }
- TEST_F(HttpCacheTest, CacheControlNoStore2) {
- // this test is similar to the above test, except that the initial response
- // is cachable, but when it is validated, no-store is received causing the
- // cached document to be deleted.
- MockHttpCache cache;
- ScopedMockTransaction transaction(kETagGET_Transaction);
- // initial load
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // try loading again; it should result in a network fetch
- transaction.load_flags = LOAD_VALIDATE_CACHE;
- transaction.response_headers = "cache-control: no-store\n";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- EXPECT_FALSE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- }
- TEST_F(HttpCacheTest, CacheControlNoStore3) {
- // this test is similar to the above test, except that the response is a 304
- // instead of a 200. this should never happen in practice, but it seems like
- // a good thing to verify that we still destroy the cache entry.
- MockHttpCache cache;
- ScopedMockTransaction transaction(kETagGET_Transaction);
- // initial load
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // try loading again; it should result in a network fetch
- transaction.load_flags = LOAD_VALIDATE_CACHE;
- transaction.response_headers = "cache-control: no-store\n";
- transaction.status = "HTTP/1.1 304 Not Modified";
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- disk_cache::Entry* entry;
- MockHttpRequest request(transaction);
- EXPECT_FALSE(cache.OpenBackendEntry(request.CacheKey(), &entry));
- }
- // Ensure that we don't cache requests served over bad HTTPS.
- TEST_F(HttpCacheTest, SimpleGET_SSLError) {
- MockHttpCache cache;
- MockTransaction transaction = kSimpleGET_Transaction;
- transaction.cert_status = CERT_STATUS_REVOKED;
- ScopedMockTransaction scoped_transaction(transaction);
- // write to the cache
- RunTransactionTest(cache.http_cache(), transaction);
- // Test that it was not cached.
- transaction.load_flags |= LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- MockHttpRequest request(transaction);
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- if (rv == ERR_IO_PENDING)
- rv = callback.WaitForResult();
- ASSERT_THAT(rv, IsError(ERR_CACHE_MISS));
- }
- // Ensure that we don't crash by if left-behind transactions.
- TEST_F(HttpCacheTest, OutlivedTransactions) {
- auto cache = std::make_unique<MockHttpCache>();
- std::unique_ptr<HttpTransaction> trans;
- EXPECT_THAT(cache->CreateTransaction(&trans), IsOk());
- cache.reset();
- trans.reset();
- }
- // Test that the disabled mode works.
- TEST_F(HttpCacheTest, CacheDisabledMode) {
- MockHttpCache cache;
- // write to the cache
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // go into disabled mode
- cache.http_cache()->set_mode(HttpCache::DISABLE);
- // force this transaction to write to the cache again
- MockTransaction transaction(kSimpleGET_Transaction);
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Other tests check that the response headers of the cached response
- // get updated on 304. Here we specifically check that the
- // HttpResponseHeaders::request_time and HttpResponseHeaders::response_time
- // fields also gets updated.
- // http://crbug.com/20594.
- TEST_F(HttpCacheTest, UpdatesRequestResponseTimeOn304) {
- MockHttpCache cache;
- const char kUrl[] = "http://foobar";
- const char kData[] = "body";
- MockTransaction mock_network_response = {nullptr};
- mock_network_response.url = kUrl;
- AddMockTransaction(&mock_network_response);
- // Request |kUrl|, causing |kNetResponse1| to be written to the cache.
- MockTransaction request = {nullptr};
- request.url = kUrl;
- request.method = "GET";
- request.request_headers = "\r\n";
- request.data = kData;
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- kData
- };
- kNetResponse1.AssignTo(&mock_network_response);
- RunTransactionTest(cache.http_cache(), request);
- // Request |kUrl| again, this time validating the cache and getting
- // a 304 back.
- request.load_flags = LOAD_VALIDATE_CACHE;
- static const Response kNetResponse2 = {
- "HTTP/1.1 304 Not Modified",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n",
- ""
- };
- kNetResponse2.AssignTo(&mock_network_response);
- base::Time request_time = base::Time() + base::Hours(1234);
- base::Time response_time = base::Time() + base::Hours(1235);
- mock_network_response.request_time = request_time;
- mock_network_response.response_time = response_time;
- HttpResponseInfo response;
- RunTransactionTestWithResponseInfo(cache.http_cache(), request, &response);
- // The request and response times should have been updated.
- EXPECT_EQ(request_time.ToInternalValue(),
- response.request_time.ToInternalValue());
- EXPECT_EQ(response_time.ToInternalValue(),
- response.response_time.ToInternalValue());
- EXPECT_EQ("HTTP/1.1 200 OK\n"
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- ToSimpleString(response.headers));
- RemoveMockTransaction(&mock_network_response);
- }
- TEST_F(HttpCacheTest, SplitCacheWithNetworkIsolationKey) {
- base::test::ScopedFeatureList feature_list;
- feature_list.InitAndEnableFeature(
- net::features::kSplitCacheByNetworkIsolationKey);
- base::HistogramTester histograms;
- MockHttpCache cache;
- HttpResponseInfo response;
- SchemefulSite site_a(GURL("http://a.com"));
- SchemefulSite site_b(GURL("http://b.com"));
- SchemefulSite site_data(GURL("data:text/html,<body>Hello World</body>"));
- MockHttpRequest trans_info = MockHttpRequest(kSimpleGET_Transaction);
- // Request with a.com as the top frame and subframe origins. It shouldn't be
- // cached.
- trans_info.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- histograms.ExpectBucketCount(
- "HttpCache.NetworkIsolationKeyPresent2",
- HttpCache::Transaction::NetworkIsolationKeyPresent::kPresent, 1);
- histograms.ExpectTotalCount("HttpCache.NetworkIsolationKeyPresent2", 1);
- // The second request should be cached.
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- // Now request with b.com as the subframe origin. It shouldn't be cached.
- trans_info.network_isolation_key = NetworkIsolationKey(site_a, site_b);
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // The second request should be cached.
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- // a.com should still be cached.
- trans_info.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- // Now make a request with an opaque subframe site. It shouldn't be
- // cached.
- trans_info.network_isolation_key = NetworkIsolationKey(site_a, site_data);
- EXPECT_EQ(absl::nullopt, trans_info.network_isolation_key.ToCacheKeyString());
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // On the second request, it still shouldn't be cached.
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // Verify that a post transaction with a data stream uses a separate key.
- const int64_t kUploadId = 1; // Just a dummy value.
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers),
- kUploadId);
- MockHttpRequest post_info = MockHttpRequest(kSimplePOST_Transaction);
- post_info.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- post_info.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), kSimplePOST_Transaction,
- post_info, &response);
- EXPECT_FALSE(response.was_cached);
- }
- TEST_F(HttpCacheTest, HttpCacheProfileThirdPartyCSS) {
- base::HistogramTester histograms;
- MockHttpCache cache;
- HttpResponseInfo response;
- url::Origin origin_a = url::Origin::Create(GURL(kSimpleGET_Transaction.url));
- url::Origin origin_b = url::Origin::Create(GURL("http://b.com"));
- SchemefulSite site_a(origin_a);
- SchemefulSite site_b(origin_b);
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers = "Content-Type: text/css\n";
- MockHttpRequest trans_info = MockHttpRequest(transaction);
- // Requesting with the same top-frame site should not count as third-party
- // but should still be recorded as CSS
- trans_info.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- trans_info.possibly_top_frame_origin = origin_a;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, trans_info,
- &response);
- histograms.ExpectTotalCount("HttpCache.Pattern", 1);
- histograms.ExpectTotalCount("HttpCache.Pattern.CSS", 1);
- histograms.ExpectTotalCount("HttpCache.Pattern.CSSThirdParty", 0);
- // Requesting with a different top-frame site should count as third-party
- // and recorded as CSS
- trans_info.network_isolation_key = NetworkIsolationKey(site_b, site_b);
- trans_info.possibly_top_frame_origin = origin_b;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, trans_info,
- &response);
- histograms.ExpectTotalCount("HttpCache.Pattern", 2);
- histograms.ExpectTotalCount("HttpCache.Pattern.CSS", 2);
- histograms.ExpectTotalCount("HttpCache.Pattern.CSSThirdParty", 1);
- }
- TEST_F(HttpCacheTest, HttpCacheProfileThirdPartyJavaScript) {
- base::HistogramTester histograms;
- MockHttpCache cache;
- HttpResponseInfo response;
- url::Origin origin_a = url::Origin::Create(GURL(kSimpleGET_Transaction.url));
- url::Origin origin_b = url::Origin::Create(GURL("http://b.com"));
- SchemefulSite site_a(origin_a);
- SchemefulSite site_b(origin_b);
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers = "Content-Type: application/javascript\n";
- MockHttpRequest trans_info = MockHttpRequest(transaction);
- // Requesting with the same top-frame site should not count as third-party
- // but should still be recorded as JavaScript
- trans_info.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- trans_info.possibly_top_frame_origin = origin_a;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, trans_info,
- &response);
- histograms.ExpectTotalCount("HttpCache.Pattern", 1);
- histograms.ExpectTotalCount("HttpCache.Pattern.JavaScript", 1);
- histograms.ExpectTotalCount("HttpCache.Pattern.JavaScriptThirdParty", 0);
- // Requesting with a different top-frame site should count as third-party
- // and recorded as JavaScript
- trans_info.network_isolation_key = NetworkIsolationKey(site_b, site_b);
- trans_info.possibly_top_frame_origin = origin_b;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, trans_info,
- &response);
- histograms.ExpectTotalCount("HttpCache.Pattern", 2);
- histograms.ExpectTotalCount("HttpCache.Pattern.JavaScript", 2);
- histograms.ExpectTotalCount("HttpCache.Pattern.JavaScriptThirdParty", 1);
- }
- TEST_F(HttpCacheTest, HttpCacheProfileThirdPartyFont) {
- base::HistogramTester histograms;
- MockHttpCache cache;
- HttpResponseInfo response;
- url::Origin origin_a = url::Origin::Create(GURL(kSimpleGET_Transaction.url));
- url::Origin origin_b = url::Origin::Create(GURL("http://b.com"));
- SchemefulSite site_a(origin_a);
- SchemefulSite site_b(origin_b);
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers = "Content-Type: font/otf\n";
- MockHttpRequest trans_info = MockHttpRequest(transaction);
- // Requesting with the same top-frame site should not count as third-party
- // but should still be recorded as a font
- trans_info.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- trans_info.possibly_top_frame_origin = origin_a;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, trans_info,
- &response);
- histograms.ExpectTotalCount("HttpCache.Pattern", 1);
- histograms.ExpectTotalCount("HttpCache.Pattern.Font", 1);
- histograms.ExpectTotalCount("HttpCache.Pattern.FontThirdParty", 0);
- // Requesting with a different top-frame site should count as third-party
- // and recorded as a font
- trans_info.network_isolation_key = NetworkIsolationKey(site_b, site_b);
- trans_info.possibly_top_frame_origin = origin_b;
- RunTransactionTestWithRequest(cache.http_cache(), transaction, trans_info,
- &response);
- histograms.ExpectTotalCount("HttpCache.Pattern", 2);
- histograms.ExpectTotalCount("HttpCache.Pattern.Font", 2);
- histograms.ExpectTotalCount("HttpCache.Pattern.FontThirdParty", 1);
- }
- TEST_F(HttpCacheTest, SplitCache) {
- base::test::ScopedFeatureList feature_list;
- feature_list.InitAndEnableFeature(
- net::features::kSplitCacheByNetworkIsolationKey);
- base::HistogramTester histograms;
- MockHttpCache cache;
- HttpResponseInfo response;
- SchemefulSite site_a(GURL("http://a.com"));
- SchemefulSite site_b(GURL("http://b.com"));
- SchemefulSite site_data(GURL("data:text/html,<body>Hello World</body>"));
- // A request without a top frame origin is not cached at all.
- MockHttpRequest trans_info = MockHttpRequest(kSimpleGET_Transaction);
- trans_info.network_isolation_key = net::NetworkIsolationKey();
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- histograms.ExpectUniqueSample(
- "HttpCache.NetworkIsolationKeyPresent2",
- HttpCache::Transaction::NetworkIsolationKeyPresent::
- kNotPresentNonCacheableRequest,
- 1);
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // Now request with a.com as the top frame origin. It shouldn't be cached
- // since the cached resource has a different top frame origin.
- net::NetworkIsolationKey key_a(site_a, site_a);
- trans_info.network_isolation_key = key_a;
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- histograms.ExpectBucketCount(
- "HttpCache.NetworkIsolationKeyPresent2",
- HttpCache::Transaction::NetworkIsolationKeyPresent::kPresent, 1);
- histograms.ExpectTotalCount("HttpCache.NetworkIsolationKeyPresent2", 3);
- // The second request should be cached.
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- // If the same resource with the same NIK is for a subframe document resource,
- // it should not be a cache hit.
- MockHttpRequest subframe_document_trans_info = trans_info;
- subframe_document_trans_info.is_subframe_document_resource = true;
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- subframe_document_trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // Same request again should be a cache hit.
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- subframe_document_trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- // Now request with b.com as the top frame origin. It shouldn't be cached.
- trans_info.network_isolation_key = NetworkIsolationKey(site_b, site_b);
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // The second request should be cached.
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- // a.com should still be cached.
- trans_info.network_isolation_key = key_a;
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- // Now make a request with an opaque top frame origin. It shouldn't be
- // cached.
- trans_info.network_isolation_key = NetworkIsolationKey(site_data, site_data);
- EXPECT_EQ(absl::nullopt, trans_info.network_isolation_key.ToCacheKeyString());
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // On the second request, it still shouldn't be cached.
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // Verify that a post transaction with a data stream uses a separate key.
- const int64_t kUploadId = 1; // Just a dummy value.
- std::vector<std::unique_ptr<UploadElementReader>> element_readers;
- element_readers.push_back(
- std::make_unique<UploadBytesElementReader>("hello", 5));
- ElementsUploadDataStream upload_data_stream(std::move(element_readers),
- kUploadId);
- MockHttpRequest post_info = MockHttpRequest(kSimplePOST_Transaction);
- post_info.network_isolation_key = NetworkIsolationKey(site_a, site_a);
- post_info.upload_data_stream = &upload_data_stream;
- RunTransactionTestWithRequest(cache.http_cache(), kSimplePOST_Transaction,
- post_info, &response);
- EXPECT_FALSE(response.was_cached);
- }
- TEST_F(HttpCacheTest, SplitCacheEnabledByDefault) {
- HttpCache::ClearGlobalsForTesting();
- HttpCache::SplitCacheFeatureEnableByDefault();
- EXPECT_TRUE(HttpCache::IsSplitCacheEnabled());
- MockHttpCache cache;
- HttpResponseInfo response;
- SchemefulSite site_a(GURL("http://a.com"));
- SchemefulSite site_b(GURL("http://b.com"));
- MockHttpRequest trans_info = MockHttpRequest(kSimpleGET_Transaction);
- net::NetworkIsolationKey key_a(site_a, site_a);
- trans_info.network_isolation_key = key_a;
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // Subsequent requests with the same NIK and different NIK will be a cache hit
- // and miss respectively.
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- net::NetworkIsolationKey key_b(site_b, site_b);
- trans_info.network_isolation_key = key_b;
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- }
- TEST_F(HttpCacheTest, SplitCacheEnabledByDefaultButOverridden) {
- HttpCache::ClearGlobalsForTesting();
- base::test::ScopedFeatureList feature_list;
- feature_list.InitAndDisableFeature(
- net::features::kSplitCacheByNetworkIsolationKey);
- // Enabling it here should have no effect as it is already overridden.
- HttpCache::SplitCacheFeatureEnableByDefault();
- EXPECT_FALSE(HttpCache::IsSplitCacheEnabled());
- }
- TEST_F(HttpCacheTest, SplitCacheUsesRegistrableDomain) {
- base::test::ScopedFeatureList feature_list;
- feature_list.InitAndEnableFeature(
- net::features::kSplitCacheByNetworkIsolationKey);
- base::HistogramTester histograms;
- MockHttpCache cache;
- HttpResponseInfo response;
- MockHttpRequest trans_info = MockHttpRequest(kSimpleGET_Transaction);
- SchemefulSite site_a(GURL("http://a.foo.com"));
- SchemefulSite site_b(GURL("http://b.foo.com"));
- net::NetworkIsolationKey key_a(site_a, site_a);
- trans_info.network_isolation_key = key_a;
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- histograms.ExpectBucketCount(
- "HttpCache.NetworkIsolationKeyPresent2",
- HttpCache::Transaction::NetworkIsolationKeyPresent::kPresent, 1);
- // The second request with a different origin but the same registrable domain
- // should be a cache hit.
- net::NetworkIsolationKey key_b(site_b, site_b);
- trans_info.network_isolation_key = key_b;
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- // Request with a different registrable domain. It should be a cache miss.
- SchemefulSite new_site_a(GURL("http://a.bar.com"));
- net::NetworkIsolationKey new_key_a(new_site_a, new_site_a);
- trans_info.network_isolation_key = new_key_a;
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- }
- TEST_F(HttpCacheTest, NonSplitCache) {
- base::test::ScopedFeatureList feature_list;
- feature_list.InitAndDisableFeature(
- net::features::kSplitCacheByNetworkIsolationKey);
- base::HistogramTester histograms;
- MockHttpCache cache;
- HttpResponseInfo response;
- // A request without a top frame is cached normally.
- MockHttpRequest trans_info = MockHttpRequest(kSimpleGET_Transaction);
- trans_info.network_isolation_key = NetworkIsolationKey();
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_FALSE(response.was_cached);
- // The second request comes from cache.
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- // Now request with a.com as the top frame origin. It should use the same
- // cached object.
- const SchemefulSite kSiteA(GURL("http://a.com/"));
- trans_info.network_isolation_key = NetworkIsolationKey(kSiteA, kSiteA);
- RunTransactionTestWithRequest(cache.http_cache(), kSimpleGET_Transaction,
- trans_info, &response);
- EXPECT_TRUE(response.was_cached);
- histograms.ExpectBucketCount(
- "HttpCache.NetworkIsolationKeyPresent2",
- HttpCache::Transaction::NetworkIsolationKeyPresent::kPresent, 1);
- histograms.ExpectTotalCount("HttpCache.NetworkIsolationKeyPresent2", 3);
- }
- TEST_F(HttpCacheTest, SkipVaryCheck) {
- MockHttpCache cache;
- // Write a simple vary transaction to the cache.
- HttpResponseInfo response;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "accept-encoding: gzip\r\n";
- transaction.response_headers =
- "Vary: accept-encoding\n"
- "Cache-Control: max-age=10000\n";
- RunTransactionTest(cache.http_cache(), transaction);
- // Change the request headers so that the request doesn't match due to vary.
- // The request should fail.
- transaction.load_flags = LOAD_ONLY_FROM_CACHE;
- transaction.request_headers = "accept-encoding: foo\r\n";
- transaction.start_return_code = ERR_CACHE_MISS;
- RunTransactionTest(cache.http_cache(), transaction);
- // Change the load flags to ignore vary checks, the request should now hit.
- transaction.load_flags = LOAD_ONLY_FROM_CACHE | LOAD_SKIP_VARY_CHECK;
- transaction.start_return_code = OK;
- RunTransactionTest(cache.http_cache(), transaction);
- }
- TEST_F(HttpCacheTest, SkipVaryCheckStar) {
- MockHttpCache cache;
- // Write a simple vary:* transaction to the cache.
- HttpResponseInfo response;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.request_headers = "accept-encoding: gzip\r\n";
- transaction.response_headers =
- "Vary: *\n"
- "Cache-Control: max-age=10000\n";
- RunTransactionTest(cache.http_cache(), transaction);
- // The request shouldn't match even with the same request headers due to the
- // Vary: *. The request should fail.
- transaction.load_flags = LOAD_ONLY_FROM_CACHE;
- transaction.start_return_code = ERR_CACHE_MISS;
- RunTransactionTest(cache.http_cache(), transaction);
- // Change the load flags to ignore vary checks, the request should now hit.
- transaction.load_flags = LOAD_ONLY_FROM_CACHE | LOAD_SKIP_VARY_CHECK;
- transaction.start_return_code = OK;
- RunTransactionTest(cache.http_cache(), transaction);
- }
- // Tests that we only return valid entries with LOAD_ONLY_FROM_CACHE
- // transactions unless LOAD_SKIP_CACHE_VALIDATION is set.
- TEST_F(HttpCacheTest, ValidLoadOnlyFromCache) {
- MockHttpCache cache;
- base::SimpleTestClock clock;
- cache.http_cache()->SetClockForTesting(&clock);
- cache.network_layer()->SetClock(&clock);
- // Write a resource that will expire in 100 seconds.
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.response_headers = "Cache-Control: max-age=100\n";
- RunTransactionTest(cache.http_cache(), transaction);
- // Move forward in time such that the cached response is no longer valid.
- clock.Advance(base::Seconds(101));
- // Skipping cache validation should still return a response.
- transaction.load_flags = LOAD_ONLY_FROM_CACHE | LOAD_SKIP_CACHE_VALIDATION;
- RunTransactionTest(cache.http_cache(), transaction);
- // If the cache entry is checked for validitiy, it should fail.
- transaction.load_flags = LOAD_ONLY_FROM_CACHE;
- transaction.start_return_code = ERR_CACHE_MISS;
- RunTransactionTest(cache.http_cache(), transaction);
- }
- TEST_F(HttpCacheTest, InvalidLoadFlagCombination) {
- MockHttpCache cache;
- // Put the resource in the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- // Now try to fetch it again, but with a flag combination disallowing both
- // cache and network access.
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- // DevTools relies on this combination of flags for "disable cache" mode
- // when a resource is only supposed to be loaded from cache.
- transaction.load_flags = LOAD_ONLY_FROM_CACHE | LOAD_BYPASS_CACHE;
- transaction.start_return_code = ERR_CACHE_MISS;
- RunTransactionTest(cache.http_cache(), transaction);
- }
- // Tests that we don't mark entries as truncated when a filter detects the end
- // of the stream.
- TEST_F(HttpCacheTest, FilterCompletion) {
- MockHttpCache cache;
- TestCompletionCallback callback;
- {
- MockHttpRequest request(kSimpleGET_Transaction);
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- EXPECT_THAT(callback.GetResult(rv), IsOk());
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(256);
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_GT(callback.GetResult(rv), 0);
- // Now make sure that the entry is preserved.
- trans->DoneReading();
- }
- // Make sure that the ActiveEntry is gone.
- base::RunLoop().RunUntilIdle();
- // Read from the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that we don't mark entries as truncated and release the cache
- // entry when DoneReading() is called before any Read() calls, such as
- // for a redirect.
- TEST_F(HttpCacheTest, DoneReading) {
- MockHttpCache cache;
- TestCompletionCallback callback;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.data = "";
- MockHttpRequest request(transaction);
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- EXPECT_THAT(callback.GetResult(rv), IsOk());
- trans->DoneReading();
- // Leave the transaction around.
- // Make sure that the ActiveEntry is gone.
- base::RunLoop().RunUntilIdle();
- // Read from the cache. This should not deadlock.
- RunTransactionTest(cache.http_cache(), transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // Tests that we stop caching when told.
- TEST_F(HttpCacheTest, StopCachingDeletesEntry) {
- MockHttpCache cache;
- TestCompletionCallback callback;
- MockHttpRequest request(kSimpleGET_Transaction);
- {
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- EXPECT_THAT(callback.GetResult(rv), IsOk());
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(256);
- rv = trans->Read(buf.get(), 10, callback.callback());
- EXPECT_EQ(10, callback.GetResult(rv));
- trans->StopCaching();
- // We should be able to keep reading.
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_GT(callback.GetResult(rv), 0);
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_EQ(0, callback.GetResult(rv));
- }
- // Make sure that the ActiveEntry is gone.
- base::RunLoop().RunUntilIdle();
- // Verify that the entry is gone.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we stop caching when told, even if DoneReading is called
- // after StopCaching.
- TEST_F(HttpCacheTest, StopCachingThenDoneReadingDeletesEntry) {
- MockHttpCache cache;
- TestCompletionCallback callback;
- MockHttpRequest request(kSimpleGET_Transaction);
- {
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- EXPECT_THAT(callback.GetResult(rv), IsOk());
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(256);
- rv = trans->Read(buf.get(), 10, callback.callback());
- EXPECT_EQ(10, callback.GetResult(rv));
- trans->StopCaching();
- // We should be able to keep reading.
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_GT(callback.GetResult(rv), 0);
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_EQ(0, callback.GetResult(rv));
- // We should be able to call DoneReading.
- trans->DoneReading();
- }
- // Make sure that the ActiveEntry is gone.
- base::RunLoop().RunUntilIdle();
- // Verify that the entry is gone.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we stop caching when told, when using auth.
- TEST_F(HttpCacheTest, StopCachingWithAuthDeletesEntry) {
- MockHttpCache cache;
- TestCompletionCallback callback;
- MockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.status = "HTTP/1.1 401 Unauthorized";
- AddMockTransaction(&mock_transaction);
- MockHttpRequest request(mock_transaction);
- {
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- EXPECT_THAT(callback.GetResult(rv), IsOk());
- trans->StopCaching();
- }
- RemoveMockTransaction(&mock_transaction);
- // Make sure that the ActiveEntry is gone.
- base::RunLoop().RunUntilIdle();
- // Verify that the entry is gone.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that when we are told to stop caching we don't throw away valid data.
- TEST_F(HttpCacheTest, StopCachingSavesEntry) {
- MockHttpCache cache;
- TestCompletionCallback callback;
- MockHttpRequest request(kSimpleGET_Transaction);
- {
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- // Force a response that can be resumed.
- ScopedMockTransaction mock_transaction(kSimpleGET_Transaction);
- AddMockTransaction(&mock_transaction);
- mock_transaction.response_headers = "Cache-Control: max-age=10000\n"
- "Content-Length: 42\n"
- "Etag: \"foo\"\n";
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- EXPECT_THAT(callback.GetResult(rv), IsOk());
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(256);
- rv = trans->Read(buf.get(), 10, callback.callback());
- EXPECT_EQ(callback.GetResult(rv), 10);
- trans->StopCaching();
- // We should be able to keep reading.
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_GT(callback.GetResult(rv), 0);
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_EQ(callback.GetResult(rv), 0);
- }
- // Verify that the entry is marked as incomplete.
- // VerifyTruncatedFlag(&cache, kSimpleGET_Transaction.url, true, 0);
- // Verify that the entry is doomed.
- cache.disk_cache()->IsDiskEntryDoomed(request.CacheKey());
- }
- // Tests that we handle truncated enries when StopCaching is called.
- TEST_F(HttpCacheTest, StopCachingTruncatedEntry) {
- MockHttpCache cache;
- TestCompletionCallback callback;
- MockHttpRequest request(kRangeGET_TransactionOK);
- request.extra_headers.Clear();
- request.extra_headers.AddHeaderFromString(EXTRA_HEADER_LINE);
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- {
- // Now make a regular request.
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.CreateTransaction(&trans), IsOk());
- int rv = trans->Start(&request, callback.callback(), NetLogWithSource());
- EXPECT_THAT(callback.GetResult(rv), IsOk());
- scoped_refptr<IOBuffer> buf = base::MakeRefCounted<IOBuffer>(256);
- rv = trans->Read(buf.get(), 10, callback.callback());
- EXPECT_EQ(callback.GetResult(rv), 10);
- // This is actually going to do nothing.
- trans->StopCaching();
- // We should be able to keep reading.
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_GT(callback.GetResult(rv), 0);
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_GT(callback.GetResult(rv), 0);
- rv = trans->Read(buf.get(), 256, callback.callback());
- EXPECT_EQ(callback.GetResult(rv), 0);
- }
- // Verify that the disk entry was updated.
- VerifyTruncatedFlag(&cache, request.CacheKey(), false, 80);
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- namespace {
- enum class TransactionPhase {
- BEFORE_FIRST_READ,
- AFTER_FIRST_READ,
- AFTER_NETWORK_READ
- };
- using CacheInitializer = void (*)(MockHttpCache*);
- using HugeCacheTestConfiguration =
- std::pair<TransactionPhase, CacheInitializer>;
- class HttpCacheHugeResourceTest
- : public ::testing::TestWithParam<HugeCacheTestConfiguration>,
- public WithTaskEnvironment {
- public:
- static std::list<HugeCacheTestConfiguration> GetTestModes();
- static std::list<HugeCacheTestConfiguration> kTestModes;
- // CacheInitializer callbacks. These are used to initialize the cache
- // depending on the test run configuration.
- // Initializes a cache containing a truncated entry containing the first 20
- // bytes of the reponse body.
- static void SetupTruncatedCacheEntry(MockHttpCache* cache);
- // Initializes a cache containing a sparse entry. The first 10 bytes are
- // present in the cache.
- static void SetupPrefixSparseCacheEntry(MockHttpCache* cache);
- // Initializes a cache containing a sparse entry. The 10 bytes at offset
- // 99990 are present in the cache.
- static void SetupInfixSparseCacheEntry(MockHttpCache* cache);
- protected:
- static void LargeResourceTransactionHandler(
- const net::HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data);
- static int LargeBufferReader(int64_t content_length,
- int64_t offset,
- net::IOBuffer* buf,
- int buf_len);
- static void SetFlagOnBeforeNetworkStart(bool* started, bool* /* defer */);
- // Size of resource to be tested.
- static const int64_t kTotalSize = 5000LL * 1000 * 1000;
- };
- const int64_t HttpCacheHugeResourceTest::kTotalSize;
- // static
- void HttpCacheHugeResourceTest::LargeResourceTransactionHandler(
- const net::HttpRequestInfo* request,
- std::string* response_status,
- std::string* response_headers,
- std::string* response_data) {
- std::string if_range;
- if (!request->extra_headers.GetHeader(net::HttpRequestHeaders::kIfRange,
- &if_range)) {
- // If there were no range headers in the request, we are going to just
- // return the entire response body.
- *response_status = "HTTP/1.1 200 Success";
- *response_headers = base::StringPrintf("Content-Length: %" PRId64
- "\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n",
- kTotalSize);
- return;
- }
- // From this point on, we should be processing a valid byte-range request.
- EXPECT_EQ("\"foo\"", if_range);
- std::string range_header;
- EXPECT_TRUE(request->extra_headers.GetHeader(net::HttpRequestHeaders::kRange,
- &range_header));
- std::vector<net::HttpByteRange> ranges;
- EXPECT_TRUE(net::HttpUtil::ParseRangeHeader(range_header, &ranges));
- ASSERT_EQ(1u, ranges.size());
- net::HttpByteRange range = ranges[0];
- EXPECT_TRUE(range.HasFirstBytePosition());
- int64_t last_byte_position =
- range.HasLastBytePosition() ? range.last_byte_position() : kTotalSize - 1;
- *response_status = "HTTP/1.1 206 Partial";
- *response_headers = base::StringPrintf(
- "Content-Range: bytes %" PRId64 "-%" PRId64 "/%" PRId64
- "\n"
- "Content-Length: %" PRId64 "\n",
- range.first_byte_position(), last_byte_position, kTotalSize,
- last_byte_position - range.first_byte_position() + 1);
- }
- // static
- int HttpCacheHugeResourceTest::LargeBufferReader(int64_t content_length,
- int64_t offset,
- net::IOBuffer* buf,
- int buf_len) {
- // This test involves reading multiple gigabytes of data. To make it run in a
- // reasonable amount of time, we are going to skip filling the buffer with
- // data. Instead the test relies on verifying that the count of bytes expected
- // at the end is correct.
- EXPECT_LT(0, content_length);
- EXPECT_LE(offset, content_length);
- int num = std::min(static_cast<int64_t>(buf_len), content_length - offset);
- return num;
- }
- // static
- void HttpCacheHugeResourceTest::SetFlagOnBeforeNetworkStart(bool* started,
- bool* /* defer */) {
- *started = true;
- }
- // static
- void HttpCacheHugeResourceTest::SetupTruncatedCacheEntry(MockHttpCache* cache) {
- ScopedMockTransaction scoped_transaction(kRangeGET_TransactionOK);
- std::string cached_headers = base::StringPrintf(
- "HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: %" PRId64 "\n",
- kTotalSize);
- CreateTruncatedEntry(cached_headers, cache);
- }
- // static
- void HttpCacheHugeResourceTest::SetupPrefixSparseCacheEntry(
- MockHttpCache* cache) {
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.handler = nullptr;
- transaction.request_headers = "Range: bytes = 0-9\r\n" EXTRA_HEADER;
- transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Range: bytes 0-9/5000000000\n"
- "Content-Length: 10\n";
- AddMockTransaction(&transaction);
- std::string headers;
- RunTransactionTestWithResponse(cache->http_cache(), transaction, &headers);
- RemoveMockTransaction(&transaction);
- }
- // static
- void HttpCacheHugeResourceTest::SetupInfixSparseCacheEntry(
- MockHttpCache* cache) {
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.handler = nullptr;
- transaction.request_headers = "Range: bytes = 99990-99999\r\n" EXTRA_HEADER;
- transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Range: bytes 99990-99999/5000000000\n"
- "Content-Length: 10\n";
- AddMockTransaction(&transaction);
- std::string headers;
- RunTransactionTestWithResponse(cache->http_cache(), transaction, &headers);
- RemoveMockTransaction(&transaction);
- }
- // static
- std::list<HugeCacheTestConfiguration>
- HttpCacheHugeResourceTest::GetTestModes() {
- std::list<HugeCacheTestConfiguration> test_modes;
- const TransactionPhase kTransactionPhases[] = {
- TransactionPhase::BEFORE_FIRST_READ, TransactionPhase::AFTER_FIRST_READ,
- TransactionPhase::AFTER_NETWORK_READ};
- const CacheInitializer kInitializers[] = {&SetupTruncatedCacheEntry,
- &SetupPrefixSparseCacheEntry,
- &SetupInfixSparseCacheEntry};
- for (const auto phase : kTransactionPhases)
- for (const auto initializer : kInitializers)
- test_modes.emplace_back(phase, initializer);
- return test_modes;
- }
- // static
- std::list<HugeCacheTestConfiguration> HttpCacheHugeResourceTest::kTestModes =
- HttpCacheHugeResourceTest::GetTestModes();
- INSTANTIATE_TEST_SUITE_P(
- _,
- HttpCacheHugeResourceTest,
- ::testing::ValuesIn(HttpCacheHugeResourceTest::kTestModes));
- } // namespace
- // Test what happens when StopCaching() is called while reading a huge resource
- // fetched via GET. Various combinations of cache state and when StopCaching()
- // is called is controlled by the parameter passed into the test via the
- // INSTANTIATE_TEST_SUITE_P invocation above.
- TEST_P(HttpCacheHugeResourceTest,
- StopCachingFollowedByReadForHugeTruncatedResource) {
- // This test is going to be repeated for all combinations of TransactionPhase
- // and CacheInitializers returned by GetTestModes().
- const TransactionPhase stop_caching_phase = GetParam().first;
- const CacheInitializer cache_initializer = GetParam().second;
- MockHttpCache cache;
- (*cache_initializer)(&cache);
- MockTransaction transaction(kSimpleGET_Transaction);
- transaction.url = kRangeGET_TransactionOK.url;
- transaction.handler = &LargeResourceTransactionHandler;
- transaction.read_handler = &LargeBufferReader;
- ScopedMockTransaction scoped_transaction(transaction);
- MockHttpRequest request(transaction);
- net::TestCompletionCallback callback;
- std::unique_ptr<net::HttpTransaction> http_transaction;
- int rv = cache.http_cache()->CreateTransaction(net::DEFAULT_PRIORITY,
- &http_transaction);
- ASSERT_EQ(net::OK, rv);
- ASSERT_TRUE(http_transaction.get());
- bool network_transaction_started = false;
- if (stop_caching_phase == TransactionPhase::AFTER_NETWORK_READ) {
- http_transaction->SetBeforeNetworkStartCallback(base::BindOnce(
- &SetFlagOnBeforeNetworkStart, &network_transaction_started));
- }
- rv = http_transaction->Start(&request, callback.callback(),
- NetLogWithSource());
- rv = callback.GetResult(rv);
- ASSERT_EQ(net::OK, rv);
- if (stop_caching_phase == TransactionPhase::BEFORE_FIRST_READ)
- http_transaction->StopCaching();
- int64_t total_bytes_received = 0;
- EXPECT_EQ(kTotalSize,
- http_transaction->GetResponseInfo()->headers->GetContentLength());
- do {
- // This test simulates reading gigabytes of data. Buffer size is set to 10MB
- // to reduce the number of reads and speed up the test.
- const int kBufferSize = 1024 * 1024 * 10;
- scoped_refptr<net::IOBuffer> buf =
- base::MakeRefCounted<net::IOBuffer>(kBufferSize);
- rv = http_transaction->Read(buf.get(), kBufferSize, callback.callback());
- rv = callback.GetResult(rv);
- if (stop_caching_phase == TransactionPhase::AFTER_FIRST_READ &&
- total_bytes_received == 0) {
- http_transaction->StopCaching();
- }
- if (rv > 0)
- total_bytes_received += rv;
- if (network_transaction_started &&
- stop_caching_phase == TransactionPhase::AFTER_NETWORK_READ) {
- http_transaction->StopCaching();
- network_transaction_started = false;
- }
- } while (rv > 0);
- // The only verification we are going to do is that the received resource has
- // the correct size. This is sufficient to verify that the state machine
- // didn't terminate abruptly due to the StopCaching() call.
- EXPECT_EQ(kTotalSize, total_bytes_received);
- }
- // Tests that we detect truncated resources from the net when there is
- // a Content-Length header.
- TEST_F(HttpCacheTest, TruncatedByContentLength) {
- MockHttpCache cache;
- TestCompletionCallback callback;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- transaction.response_headers = "Cache-Control: max-age=10000\n"
- "Content-Length: 100\n";
- RunTransactionTest(cache.http_cache(), transaction);
- RemoveMockTransaction(&transaction);
- // Read from the cache.
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // Tests that we actually flag entries as truncated when we detect an error
- // from the net.
- TEST_F(HttpCacheTest, TruncatedByContentLength2) {
- MockHttpCache cache;
- TestCompletionCallback callback;
- MockTransaction transaction(kSimpleGET_Transaction);
- AddMockTransaction(&transaction);
- transaction.response_headers = "Cache-Control: max-age=10000\n"
- "Content-Length: 100\n"
- "Etag: \"foo\"\n";
- RunTransactionTest(cache.http_cache(), transaction);
- RemoveMockTransaction(&transaction);
- // Verify that the entry is marked as incomplete.
- MockHttpRequest request(transaction);
- VerifyTruncatedFlag(&cache, request.CacheKey(), true, 0);
- }
- // Make sure that calling SetPriority on a cache transaction passes on
- // its priority updates to its underlying network transaction.
- TEST_F(HttpCacheTest, SetPriority) {
- MockHttpCache cache;
- HttpRequestInfo info;
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.http_cache()->CreateTransaction(IDLE, &trans), IsOk());
- // Shouldn't crash, but doesn't do anything either.
- trans->SetPriority(LOW);
- EXPECT_FALSE(cache.network_layer()->last_transaction());
- EXPECT_EQ(DEFAULT_PRIORITY,
- cache.network_layer()->last_create_transaction_priority());
- info.url = GURL(kSimpleGET_Transaction.url);
- TestCompletionCallback callback;
- EXPECT_EQ(ERR_IO_PENDING,
- trans->Start(&info, callback.callback(), NetLogWithSource()));
- EXPECT_TRUE(cache.network_layer()->last_transaction());
- if (cache.network_layer()->last_transaction()) {
- EXPECT_EQ(LOW, cache.network_layer()->last_create_transaction_priority());
- EXPECT_EQ(LOW, cache.network_layer()->last_transaction()->priority());
- }
- trans->SetPriority(HIGHEST);
- if (cache.network_layer()->last_transaction()) {
- EXPECT_EQ(LOW, cache.network_layer()->last_create_transaction_priority());
- EXPECT_EQ(HIGHEST, cache.network_layer()->last_transaction()->priority());
- }
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- }
- // Make sure that calling SetWebSocketHandshakeStreamCreateHelper on a cache
- // transaction passes on its argument to the underlying network transaction.
- TEST_F(HttpCacheTest, SetWebSocketHandshakeStreamCreateHelper) {
- MockHttpCache cache;
- HttpRequestInfo info;
- FakeWebSocketHandshakeStreamCreateHelper create_helper;
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.http_cache()->CreateTransaction(IDLE, &trans), IsOk());
- EXPECT_FALSE(cache.network_layer()->last_transaction());
- info.url = GURL(kSimpleGET_Transaction.url);
- TestCompletionCallback callback;
- EXPECT_EQ(ERR_IO_PENDING,
- trans->Start(&info, callback.callback(), NetLogWithSource()));
- ASSERT_TRUE(cache.network_layer()->last_transaction());
- EXPECT_FALSE(cache.network_layer()->last_transaction()->
- websocket_handshake_stream_create_helper());
- trans->SetWebSocketHandshakeStreamCreateHelper(&create_helper);
- EXPECT_EQ(&create_helper,
- cache.network_layer()->last_transaction()->
- websocket_handshake_stream_create_helper());
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- }
- // Make sure that a cache transaction passes on its priority to
- // newly-created network transactions.
- TEST_F(HttpCacheTest, SetPriorityNewTransaction) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- std::string raw_headers("HTTP/1.1 200 OK\n"
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "ETag: \"foo\"\n"
- "Accept-Ranges: bytes\n"
- "Content-Length: 80\n");
- CreateTruncatedEntry(raw_headers, &cache);
- // Now make a regular request.
- std::string headers;
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = EXTRA_HEADER;
- transaction.data = kFullRangeData;
- std::unique_ptr<HttpTransaction> trans;
- ASSERT_THAT(cache.http_cache()->CreateTransaction(MEDIUM, &trans), IsOk());
- EXPECT_EQ(DEFAULT_PRIORITY,
- cache.network_layer()->last_create_transaction_priority());
- MockHttpRequest info(transaction);
- TestCompletionCallback callback;
- EXPECT_EQ(ERR_IO_PENDING,
- trans->Start(&info, callback.callback(), NetLogWithSource()));
- EXPECT_THAT(callback.WaitForResult(), IsOk());
- EXPECT_EQ(MEDIUM, cache.network_layer()->last_create_transaction_priority());
- trans->SetPriority(HIGHEST);
- // Should trigger a new network transaction and pick up the new
- // priority.
- ReadAndVerifyTransaction(trans.get(), transaction);
- EXPECT_EQ(HIGHEST, cache.network_layer()->last_create_transaction_priority());
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- namespace {
- void RunTransactionAndGetNetworkBytes(MockHttpCache* cache,
- const MockTransaction& trans_info,
- int64_t* sent_bytes,
- int64_t* received_bytes) {
- RunTransactionTestBase(
- cache->http_cache(), trans_info, MockHttpRequest(trans_info), nullptr,
- NetLogWithSource(), nullptr, sent_bytes, received_bytes, nullptr);
- }
- } // namespace
- TEST_F(HttpCacheTest, NetworkBytesCacheMissAndThenHit) {
- MockHttpCache cache;
- MockTransaction transaction(kSimpleGET_Transaction);
- int64_t sent, received;
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(MockNetworkTransaction::kTotalSentBytes, sent);
- EXPECT_EQ(MockNetworkTransaction::kTotalReceivedBytes, received);
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(0, sent);
- EXPECT_EQ(0, received);
- }
- TEST_F(HttpCacheTest, NetworkBytesConditionalRequest304) {
- MockHttpCache cache;
- ScopedMockTransaction transaction(kETagGET_Transaction);
- int64_t sent, received;
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(MockNetworkTransaction::kTotalSentBytes, sent);
- EXPECT_EQ(MockNetworkTransaction::kTotalReceivedBytes, received);
- transaction.load_flags = LOAD_VALIDATE_CACHE;
- transaction.handler = ETagGet_ConditionalRequest_Handler;
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(MockNetworkTransaction::kTotalSentBytes, sent);
- EXPECT_EQ(MockNetworkTransaction::kTotalReceivedBytes, received);
- }
- TEST_F(HttpCacheTest, NetworkBytesConditionalRequest200) {
- MockHttpCache cache;
- MockTransaction transaction(kTypicalGET_Transaction);
- transaction.request_headers = "Foo: bar\r\n";
- transaction.response_headers =
- "Date: Wed, 28 Nov 2007 09:40:09 GMT\n"
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Etag: \"foopy\"\n"
- "Cache-Control: max-age=0\n"
- "Vary: Foo\n";
- AddMockTransaction(&transaction);
- int64_t sent, received;
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(MockNetworkTransaction::kTotalSentBytes, sent);
- EXPECT_EQ(MockNetworkTransaction::kTotalReceivedBytes, received);
- RevalidationServer server;
- transaction.handler = server.Handler;
- transaction.request_headers = "Foo: none\r\n";
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(MockNetworkTransaction::kTotalSentBytes, sent);
- EXPECT_EQ(MockNetworkTransaction::kTotalReceivedBytes, received);
- RemoveMockTransaction(&transaction);
- }
- TEST_F(HttpCacheTest, NetworkBytesRange) {
- MockHttpCache cache;
- AddMockTransaction(&kRangeGET_TransactionOK);
- MockTransaction transaction(kRangeGET_TransactionOK);
- // Read bytes 40-49 from the network.
- int64_t sent, received;
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(MockNetworkTransaction::kTotalSentBytes, sent);
- EXPECT_EQ(MockNetworkTransaction::kTotalReceivedBytes, received);
- // Read bytes 40-49 from the cache.
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(0, sent);
- EXPECT_EQ(0, received);
- base::RunLoop().RunUntilIdle();
- // Read bytes 30-39 from the network.
- transaction.request_headers = "Range: bytes = 30-39\r\n" EXTRA_HEADER;
- transaction.data = "rg: 30-39 ";
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(MockNetworkTransaction::kTotalSentBytes, sent);
- EXPECT_EQ(MockNetworkTransaction::kTotalReceivedBytes, received);
- base::RunLoop().RunUntilIdle();
- // Read bytes 20-29 and 50-59 from the network, bytes 30-49 from the cache.
- transaction.request_headers = "Range: bytes = 20-59\r\n" EXTRA_HEADER;
- transaction.data = "rg: 20-29 rg: 30-39 rg: 40-49 rg: 50-59 ";
- RunTransactionAndGetNetworkBytes(&cache, transaction, &sent, &received);
- EXPECT_EQ(MockNetworkTransaction::kTotalSentBytes * 2, sent);
- EXPECT_EQ(MockNetworkTransaction::kTotalReceivedBytes * 2, received);
- RemoveMockTransaction(&kRangeGET_TransactionOK);
- }
- class HttpCachePrefetchValidationTest : public TestWithTaskEnvironment {
- protected:
- static const int kNumSecondsPerMinute = 60;
- static const int kMaxAgeSecs = 100;
- static const int kRequireValidationSecs = kMaxAgeSecs + 1;
- HttpCachePrefetchValidationTest() : transaction_(kSimpleGET_Transaction) {
- DCHECK_LT(kMaxAgeSecs, prefetch_reuse_mins() * kNumSecondsPerMinute);
- cache_.http_cache()->SetClockForTesting(&clock_);
- cache_.network_layer()->SetClock(&clock_);
- transaction_.response_headers = "Cache-Control: max-age=100\n";
- }
- bool TransactionRequiredNetwork(int load_flags) {
- int pre_transaction_count = transaction_count();
- transaction_.load_flags = load_flags;
- RunTransactionTest(cache_.http_cache(), transaction_);
- return pre_transaction_count != transaction_count();
- }
- void AdvanceTime(int seconds) { clock_.Advance(base::Seconds(seconds)); }
- int prefetch_reuse_mins() { return HttpCache::kPrefetchReuseMins; }
- // How many times this test has sent requests to the (fake) origin
- // server. Every test case needs to make at least one request to initialise
- // the cache.
- int transaction_count() {
- return cache_.network_layer()->transaction_count();
- }
- MockHttpCache cache_;
- ScopedMockTransaction transaction_;
- std::string response_headers_;
- base::SimpleTestClock clock_;
- };
- TEST_F(HttpCachePrefetchValidationTest, SkipValidationShortlyAfterPrefetch) {
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_FALSE(TransactionRequiredNetwork(LOAD_NORMAL));
- }
- TEST_F(HttpCachePrefetchValidationTest, ValidateLongAfterPrefetch) {
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(prefetch_reuse_mins() * kNumSecondsPerMinute);
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_NORMAL));
- }
- TEST_F(HttpCachePrefetchValidationTest, SkipValidationOnceOnly) {
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_FALSE(TransactionRequiredNetwork(LOAD_NORMAL));
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_NORMAL));
- }
- TEST_F(HttpCachePrefetchValidationTest, SkipValidationOnceReadOnly) {
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_FALSE(TransactionRequiredNetwork(LOAD_ONLY_FROM_CACHE |
- LOAD_SKIP_CACHE_VALIDATION));
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_NORMAL));
- }
- TEST_F(HttpCachePrefetchValidationTest, BypassCacheOverwritesPrefetch) {
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_BYPASS_CACHE));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_NORMAL));
- }
- TEST_F(HttpCachePrefetchValidationTest,
- SkipValidationOnExistingEntryThatNeedsValidation) {
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_NORMAL));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_FALSE(TransactionRequiredNetwork(LOAD_NORMAL));
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_NORMAL));
- }
- TEST_F(HttpCachePrefetchValidationTest,
- SkipValidationOnExistingEntryThatDoesNotNeedValidation) {
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_NORMAL));
- EXPECT_FALSE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_FALSE(TransactionRequiredNetwork(LOAD_NORMAL));
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_NORMAL));
- }
- TEST_F(HttpCachePrefetchValidationTest, PrefetchMultipleTimes) {
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_PREFETCH));
- EXPECT_FALSE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_FALSE(TransactionRequiredNetwork(LOAD_NORMAL));
- }
- TEST_F(HttpCachePrefetchValidationTest, ValidateOnDelayedSecondPrefetch) {
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_TRUE(TransactionRequiredNetwork(LOAD_PREFETCH));
- AdvanceTime(kRequireValidationSecs);
- EXPECT_FALSE(TransactionRequiredNetwork(LOAD_NORMAL));
- }
- TEST_F(HttpCacheTest, StaleContentNotUsedWhenLoadFlagNotSet) {
- MockHttpCache cache;
- ScopedMockTransaction stale_while_revalidate_transaction(
- kSimpleGET_Transaction);
- stale_while_revalidate_transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "Age: 10801\n"
- "Cache-Control: max-age=0,stale-while-revalidate=86400\n";
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), stale_while_revalidate_transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // Send the request again and check that it is sent to the network again.
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(
- cache.http_cache(), stale_while_revalidate_transaction, &response_info);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_FALSE(response_info.async_revalidation_requested);
- }
- TEST_F(HttpCacheTest, StaleContentUsedWhenLoadFlagSetAndUsableThenTimesout) {
- MockHttpCache cache;
- base::SimpleTestClock clock;
- cache.http_cache()->SetClockForTesting(&clock);
- cache.network_layer()->SetClock(&clock);
- clock.Advance(base::Seconds(10));
- ScopedMockTransaction stale_while_revalidate_transaction(
- kSimpleGET_Transaction);
- stale_while_revalidate_transaction.load_flags |=
- LOAD_SUPPORT_ASYNC_REVALIDATION;
- stale_while_revalidate_transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "Age: 10801\n"
- "Cache-Control: max-age=0,stale-while-revalidate=86400\n";
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), stale_while_revalidate_transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // Send the request again and check that it is not sent to the network again.
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(
- cache.http_cache(), stale_while_revalidate_transaction, &response_info);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_TRUE(response_info.async_revalidation_requested);
- EXPECT_FALSE(response_info.stale_revalidate_timeout.is_null());
- // Move forward in time such that the stale response is no longer valid.
- clock.SetNow(response_info.stale_revalidate_timeout);
- clock.Advance(base::Seconds(1));
- RunTransactionTestWithResponseInfo(
- cache.http_cache(), stale_while_revalidate_transaction, &response_info);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_FALSE(response_info.async_revalidation_requested);
- }
- TEST_F(HttpCacheTest, StaleContentUsedWhenLoadFlagSetAndUsable) {
- MockHttpCache cache;
- base::SimpleTestClock clock;
- cache.http_cache()->SetClockForTesting(&clock);
- cache.network_layer()->SetClock(&clock);
- clock.Advance(base::Seconds(10));
- ScopedMockTransaction stale_while_revalidate_transaction(
- kSimpleGET_Transaction);
- stale_while_revalidate_transaction.load_flags |=
- LOAD_SUPPORT_ASYNC_REVALIDATION;
- stale_while_revalidate_transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "Age: 10801\n"
- "Cache-Control: max-age=0,stale-while-revalidate=86400\n";
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), stale_while_revalidate_transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // Send the request again and check that it is not sent to the network again.
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(
- cache.http_cache(), stale_while_revalidate_transaction, &response_info);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_TRUE(response_info.async_revalidation_requested);
- EXPECT_FALSE(response_info.stale_revalidate_timeout.is_null());
- base::Time revalidation_timeout = response_info.stale_revalidate_timeout;
- clock.Advance(base::Seconds(1));
- EXPECT_TRUE(clock.Now() < revalidation_timeout);
- // Fetch the resource again inside the revalidation timeout window.
- RunTransactionTestWithResponseInfo(
- cache.http_cache(), stale_while_revalidate_transaction, &response_info);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_TRUE(response_info.async_revalidation_requested);
- EXPECT_FALSE(response_info.stale_revalidate_timeout.is_null());
- // Expect that the original revalidation timeout hasn't changed.
- EXPECT_TRUE(revalidation_timeout == response_info.stale_revalidate_timeout);
- // mask of async revalidation flag.
- stale_while_revalidate_transaction.load_flags &=
- ~LOAD_SUPPORT_ASYNC_REVALIDATION;
- stale_while_revalidate_transaction.status = "HTTP/1.1 304 Not Modified";
- // Write 304 to the cache.
- RunTransactionTestWithResponseInfo(
- cache.http_cache(), stale_while_revalidate_transaction, &response_info);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_FALSE(response_info.async_revalidation_requested);
- EXPECT_TRUE(response_info.stale_revalidate_timeout.is_null());
- }
- TEST_F(HttpCacheTest, StaleContentNotUsedWhenUnusable) {
- MockHttpCache cache;
- ScopedMockTransaction stale_while_revalidate_transaction(
- kSimpleGET_Transaction);
- stale_while_revalidate_transaction.load_flags |=
- LOAD_SUPPORT_ASYNC_REVALIDATION;
- stale_while_revalidate_transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "Age: 10801\n"
- "Cache-Control: max-age=0,stale-while-revalidate=1800\n";
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), stale_while_revalidate_transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // Send the request again and check that it is sent to the network again.
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(
- cache.http_cache(), stale_while_revalidate_transaction, &response_info);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_FALSE(response_info.async_revalidation_requested);
- }
- TEST_F(HttpCacheTest, StaleContentWriteError) {
- MockHttpCache cache;
- base::SimpleTestClock clock;
- cache.http_cache()->SetClockForTesting(&clock);
- cache.network_layer()->SetClock(&clock);
- clock.Advance(base::Seconds(10));
- ScopedMockTransaction stale_while_revalidate_transaction(
- kSimpleGET_Transaction);
- stale_while_revalidate_transaction.load_flags |=
- LOAD_SUPPORT_ASYNC_REVALIDATION;
- stale_while_revalidate_transaction.response_headers =
- "Last-Modified: Sat, 18 Apr 2007 01:10:43 GMT\n"
- "Age: 10801\n"
- "Cache-Control: max-age=0,stale-while-revalidate=86400\n";
- // Write to the cache.
- RunTransactionTest(cache.http_cache(), stale_while_revalidate_transaction);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- // Send the request again but inject a write fault. Should still work
- // (and not dereference any null pointers).
- cache.disk_cache()->set_soft_failures_mask(MockDiskEntry::FAIL_WRITE);
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(
- cache.http_cache(), stale_while_revalidate_transaction, &response_info);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- }
- // Tests that we allow multiple simultaneous, non-overlapping transactions to
- // take place on a sparse entry.
- TEST_F(HttpCacheTest, RangeGET_MultipleRequests) {
- MockHttpCache cache;
- // Create a transaction for bytes 0-9.
- MockHttpRequest request(kRangeGET_TransactionOK);
- MockTransaction transaction(kRangeGET_TransactionOK);
- transaction.request_headers = "Range: bytes = 0-9\r\n" EXTRA_HEADER;
- transaction.data = "rg: 00-09 ";
- AddMockTransaction(&transaction);
- TestCompletionCallback callback;
- std::unique_ptr<HttpTransaction> trans;
- int rv = cache.http_cache()->CreateTransaction(DEFAULT_PRIORITY, &trans);
- EXPECT_THAT(rv, IsOk());
- ASSERT_TRUE(trans.get());
- // Start our transaction.
- trans->Start(&request, callback.callback(), NetLogWithSource());
- // A second transaction on a different part of the file (the default
- // kRangeGET_TransactionOK requests 40-49) should not be blocked by
- // the already pending transaction.
- RunTransactionTest(cache.http_cache(), kRangeGET_TransactionOK);
- // Let the first transaction complete.
- callback.WaitForResult();
- RemoveMockTransaction(&transaction);
- }
- // Makes sure that a request stops using the cache when the response headers
- // with "Cache-Control: no-store" arrives. That means that another request for
- // the same URL can be processed before the response body of the original
- // request arrives.
- TEST_F(HttpCacheTest, NoStoreResponseShouldNotBlockFollowingRequests) {
- MockHttpCache cache;
- ScopedMockTransaction mock_transaction(kSimpleGET_Transaction);
- mock_transaction.response_headers = "Cache-Control: no-store\n";
- MockHttpRequest request(mock_transaction);
- auto first = std::make_unique<Context>();
- first->result = cache.CreateTransaction(&first->trans);
- ASSERT_THAT(first->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, first->trans->GetLoadState());
- first->result = first->trans->Start(&request, first->callback.callback(),
- NetLogWithSource());
- EXPECT_EQ(LOAD_STATE_WAITING_FOR_CACHE, first->trans->GetLoadState());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(LOAD_STATE_IDLE, first->trans->GetLoadState());
- ASSERT_TRUE(first->trans->GetResponseInfo());
- EXPECT_TRUE(first->trans->GetResponseInfo()->headers->HasHeaderValue(
- "Cache-Control", "no-store"));
- // Here we have read the response header but not read the response body yet.
- // Let us create the second (read) transaction.
- auto second = std::make_unique<Context>();
- second->result = cache.CreateTransaction(&second->trans);
- ASSERT_THAT(second->result, IsOk());
- EXPECT_EQ(LOAD_STATE_IDLE, second->trans->GetLoadState());
- second->result = second->trans->Start(&request, second->callback.callback(),
- NetLogWithSource());
- // Here the second transaction proceeds without reading the first body.
- EXPECT_EQ(LOAD_STATE_WAITING_FOR_CACHE, second->trans->GetLoadState());
- base::RunLoop().RunUntilIdle();
- EXPECT_EQ(LOAD_STATE_IDLE, second->trans->GetLoadState());
- ASSERT_TRUE(second->trans->GetResponseInfo());
- EXPECT_TRUE(second->trans->GetResponseInfo()->headers->HasHeaderValue(
- "Cache-Control", "no-store"));
- ReadAndVerifyTransaction(second->trans.get(), kSimpleGET_Transaction);
- }
- // Tests that serving a response entirely from cache replays the previous
- // SSLInfo.
- TEST_F(HttpCacheTest, CachePreservesSSLInfo) {
- static const uint16_t kTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xc02f;
- int status = 0;
- SSLConnectionStatusSetCipherSuite(kTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
- &status);
- SSLConnectionStatusSetVersion(SSL_CONNECTION_VERSION_TLS1_2, &status);
- scoped_refptr<X509Certificate> cert =
- ImportCertFromFile(GetTestCertsDirectory(), "ok_cert.pem");
- MockHttpCache cache;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.cert = cert;
- transaction.ssl_connection_status = status;
- // Fetch the resource.
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response_info);
- // The request should have hit the network and a cache entry created.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // The expected SSL state was reported.
- EXPECT_EQ(transaction.ssl_connection_status,
- response_info.ssl_info.connection_status);
- EXPECT_TRUE(cert->EqualsIncludingChain(response_info.ssl_info.cert.get()));
- // Fetch the resource again.
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response_info);
- // The request should have been reused without hitting the network.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- // The SSL state was preserved.
- EXPECT_EQ(status, response_info.ssl_info.connection_status);
- EXPECT_TRUE(cert->EqualsIncludingChain(response_info.ssl_info.cert.get()));
- }
- // Tests that SSLInfo gets updated when revalidating a cached response.
- TEST_F(HttpCacheTest, RevalidationUpdatesSSLInfo) {
- static const uint16_t kTLS_RSA_WITH_RC4_128_MD5 = 0x0004;
- static const uint16_t kTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xc02f;
- int status1 = 0;
- SSLConnectionStatusSetCipherSuite(kTLS_RSA_WITH_RC4_128_MD5, &status1);
- SSLConnectionStatusSetVersion(SSL_CONNECTION_VERSION_TLS1, &status1);
- int status2 = 0;
- SSLConnectionStatusSetCipherSuite(kTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
- &status2);
- SSLConnectionStatusSetVersion(SSL_CONNECTION_VERSION_TLS1_2, &status2);
- scoped_refptr<X509Certificate> cert1 =
- ImportCertFromFile(GetTestCertsDirectory(), "expired_cert.pem");
- scoped_refptr<X509Certificate> cert2 =
- ImportCertFromFile(GetTestCertsDirectory(), "ok_cert.pem");
- MockHttpCache cache;
- ScopedMockTransaction transaction(kTypicalGET_Transaction);
- transaction.cert = cert1;
- transaction.ssl_connection_status = status1;
- // Fetch the resource.
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response_info);
- // The request should have hit the network and a cache entry created.
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- EXPECT_FALSE(response_info.was_cached);
- // The expected SSL state was reported.
- EXPECT_EQ(status1, response_info.ssl_info.connection_status);
- EXPECT_TRUE(cert1->EqualsIncludingChain(response_info.ssl_info.cert.get()));
- // The server deploys a more modern configuration but reports 304 on the
- // revalidation attempt.
- transaction.status = "HTTP/1.1 304 Not Modified";
- transaction.cert = cert2;
- transaction.ssl_connection_status = status2;
- // Fetch the resource again, forcing a revalidation.
- transaction.request_headers = "Cache-Control: max-age=0\r\n";
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response_info);
- // The request should have been successfully revalidated.
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- EXPECT_TRUE(response_info.was_cached);
- // The new SSL state is reported.
- EXPECT_EQ(status2, response_info.ssl_info.connection_status);
- EXPECT_TRUE(cert2->EqualsIncludingChain(response_info.ssl_info.cert.get()));
- }
- TEST_F(HttpCacheTest, CacheEntryStatusOther) {
- MockHttpCache cache;
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(), kRangeGET_Transaction,
- &response_info);
- EXPECT_FALSE(response_info.was_cached);
- EXPECT_TRUE(response_info.network_accessed);
- EXPECT_EQ(CacheEntryStatus::ENTRY_OTHER, response_info.cache_entry_status);
- }
- TEST_F(HttpCacheTest, CacheEntryStatusNotInCache) {
- MockHttpCache cache;
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(), kSimpleGET_Transaction,
- &response_info);
- EXPECT_FALSE(response_info.was_cached);
- EXPECT_TRUE(response_info.network_accessed);
- EXPECT_EQ(CacheEntryStatus::ENTRY_NOT_IN_CACHE,
- response_info.cache_entry_status);
- }
- TEST_F(HttpCacheTest, CacheEntryStatusUsed) {
- MockHttpCache cache;
- RunTransactionTest(cache.http_cache(), kSimpleGET_Transaction);
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(), kSimpleGET_Transaction,
- &response_info);
- EXPECT_TRUE(response_info.was_cached);
- EXPECT_FALSE(response_info.network_accessed);
- EXPECT_EQ(CacheEntryStatus::ENTRY_USED, response_info.cache_entry_status);
- }
- TEST_F(HttpCacheTest, CacheEntryStatusValidated) {
- MockHttpCache cache;
- RunTransactionTest(cache.http_cache(), kETagGET_Transaction);
- ScopedMockTransaction still_valid(kETagGET_Transaction);
- still_valid.load_flags = LOAD_VALIDATE_CACHE; // Force a validation.
- still_valid.handler = ETagGet_ConditionalRequest_Handler;
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(), still_valid,
- &response_info);
- EXPECT_TRUE(response_info.was_cached);
- EXPECT_TRUE(response_info.network_accessed);
- EXPECT_EQ(CacheEntryStatus::ENTRY_VALIDATED,
- response_info.cache_entry_status);
- }
- TEST_F(HttpCacheTest, CacheEntryStatusUpdated) {
- MockHttpCache cache;
- RunTransactionTest(cache.http_cache(), kETagGET_Transaction);
- ScopedMockTransaction update(kETagGET_Transaction);
- update.load_flags = LOAD_VALIDATE_CACHE; // Force a validation.
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(), update,
- &response_info);
- EXPECT_FALSE(response_info.was_cached);
- EXPECT_TRUE(response_info.network_accessed);
- EXPECT_EQ(CacheEntryStatus::ENTRY_UPDATED, response_info.cache_entry_status);
- }
- TEST_F(HttpCacheTest, CacheEntryStatusCantConditionalize) {
- MockHttpCache cache;
- cache.FailConditionalizations();
- RunTransactionTest(cache.http_cache(), kTypicalGET_Transaction);
- HttpResponseInfo response_info;
- RunTransactionTestWithResponseInfo(cache.http_cache(),
- kTypicalGET_Transaction, &response_info);
- EXPECT_FALSE(response_info.was_cached);
- EXPECT_TRUE(response_info.network_accessed);
- EXPECT_EQ(CacheEntryStatus::ENTRY_CANT_CONDITIONALIZE,
- response_info.cache_entry_status);
- }
- TEST_F(HttpSplitCacheKeyTest, GetResourceURLFromHttpCacheKey) {
- base::test::ScopedFeatureList feature_list;
- feature_list.InitAndEnableFeature(
- net::features::kSplitCacheByNetworkIsolationKey);
- MockHttpCache cache;
- std::string urls[] = {"http://www.a.com/", "https://b.com/example.html",
- "http://example.com/Some Path/Some Leaf?some query"};
- for (const std::string& url : urls) {
- std::string key = ComputeCacheKey(url);
- EXPECT_EQ(GURL(url).spec(), HttpCache::GetResourceURLFromHttpCacheKey(key));
- }
- }
- TEST_F(HttpCacheTest, GetResourceURLFromHttpCacheKey) {
- const struct {
- std::string input;
- std::string output;
- } kTestCase[] = {
- // Valid input:
- {"0/0/https://a.com/", "https://a.com/"},
- {"0/0/https://a.com/path", "https://a.com/path"},
- {"0/0/https://a.com/?query", "https://a.com/?query"},
- {"0/0/https://a.com/#fragment", "https://a.com/#fragment"},
- {"0/0/_dk_s_ https://a.com/", "https://a.com/"},
- {"0/0/_dk_https://a.com https://b.com https://c.com/", "https://c.com/"},
- {"0/0/_dk_shttps://a.com https://b.com https://c.com/", "https://c.com/"},
- // Invalid input, producing garbage, without crashing.
- {"", ""},
- {"0/a.com", "0/a.com"},
- {"https://a.com/", "a.com/"},
- {"0/https://a.com/", "/a.com/"},
- };
- for (const auto& test : kTestCase) {
- EXPECT_EQ(test.output,
- HttpCache::GetResourceURLFromHttpCacheKey(test.input));
- }
- }
- class TestCompletionCallbackForHttpCache : public TestCompletionCallbackBase {
- public:
- TestCompletionCallbackForHttpCache() = default;
- ~TestCompletionCallbackForHttpCache() override = default;
- CompletionRepeatingCallback callback() {
- return base::BindRepeating(&TestCompletionCallbackForHttpCache::SetResult,
- base::Unretained(this));
- }
- const std::vector<int>& results() { return results_; }
- private:
- std::vector<int> results_;
- protected:
- void SetResult(int result) override {
- results_.push_back(result);
- DidSetResult();
- }
- };
- TEST_F(HttpCacheIOCallbackTest, FailedDoomFollowedByOpen) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to DoomEntry and OpenEntry
- // below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- cache.disk_cache()->set_force_fail_callback_later(true);
- // Queue up our operations.
- int rv = DoomEntry(cache.http_cache(), m_transaction.url, transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cache.disk_cache()->set_force_fail_callback_later(false);
- rv = OpenEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that DoomEntry failed correctly.
- ASSERT_EQ(cb.results()[0], ERR_CACHE_DOOM_FAILURE);
- // Verify that OpenEntry fails with the same code.
- ASSERT_EQ(cb.results()[1], ERR_CACHE_DOOM_FAILURE);
- ASSERT_EQ(entry1, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, FailedDoomFollowedByCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to DoomEntry and CreateEntry
- // below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- cache.disk_cache()->set_force_fail_callback_later(true);
- // Queue up our operations.
- int rv = DoomEntry(cache.http_cache(), m_transaction.url, transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cache.disk_cache()->set_force_fail_callback_later(false);
- rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that DoomEntry failed correctly.
- ASSERT_EQ(cb.results()[0], ERR_CACHE_DOOM_FAILURE);
- // Verify that CreateEntry requests a restart (CACHE_RACE).
- ASSERT_EQ(cb.results()[1], ERR_CACHE_RACE);
- ASSERT_EQ(entry1, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, FailedDoomFollowedByDoom) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to DoomEntry below require that
- // it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- cache.disk_cache()->set_force_fail_callback_later(true);
- // Queue up our operations.
- int rv = DoomEntry(cache.http_cache(), m_transaction.url, transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cache.disk_cache()->set_force_fail_callback_later(false);
- rv = DoomEntry(cache.http_cache(), m_transaction.url, transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that DoomEntry failed correctly.
- ASSERT_EQ(cb.results()[0], ERR_CACHE_DOOM_FAILURE);
- // Verify that the second DoomEntry requests a restart (CACHE_RACE).
- ASSERT_EQ(cb.results()[1], ERR_CACHE_RACE);
- }
- TEST_F(HttpCacheIOCallbackTest, FailedOpenFollowedByCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to OpenEntry and CreateEntry
- // below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- cache.disk_cache()->set_force_fail_callback_later(true);
- // Queue up our operations.
- int rv = OpenEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cache.disk_cache()->set_force_fail_callback_later(false);
- rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that OpenEntry failed correctly.
- ASSERT_EQ(cb.results()[0], ERR_CACHE_OPEN_FAILURE);
- ASSERT_EQ(entry1, nullptr);
- // Verify that the CreateEntry requests a restart (CACHE_RACE).
- ASSERT_EQ(cb.results()[1], ERR_CACHE_RACE);
- ASSERT_EQ(entry2, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, FailedCreateFollowedByOpen) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to CreateEntry and OpenEntry
- // below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- cache.disk_cache()->set_force_fail_callback_later(true);
- // Queue up our operations.
- int rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cache.disk_cache()->set_force_fail_callback_later(false);
- rv = OpenEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that CreateEntry failed correctly.
- ASSERT_EQ(cb.results()[0], ERR_CACHE_CREATE_FAILURE);
- ASSERT_EQ(entry1, nullptr);
- // Verify that the OpenEntry requests a restart (CACHE_RACE).
- ASSERT_EQ(cb.results()[1], ERR_CACHE_RACE);
- ASSERT_EQ(entry2, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, FailedCreateFollowedByCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to CreateEntry below require
- // that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- cache.disk_cache()->set_force_fail_callback_later(true);
- // Queue up our operations.
- int rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cache.disk_cache()->set_force_fail_callback_later(false);
- rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify the CreateEntry(s) failed.
- ASSERT_EQ(cb.results()[0], ERR_CACHE_CREATE_FAILURE);
- ASSERT_EQ(entry1, nullptr);
- ASSERT_EQ(cb.results()[1], ERR_CACHE_CREATE_FAILURE);
- ASSERT_EQ(entry2, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, CreateFollowedByCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to CreateEntry below require
- // that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- // Queue up our operations.
- int rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that the first CreateEntry succeeded.
- ASSERT_EQ(cb.results()[0], OK);
- ASSERT_NE(entry1, nullptr);
- // Verify that the second CreateEntry failed.
- ASSERT_EQ(cb.results()[1], ERR_CACHE_CREATE_FAILURE);
- ASSERT_EQ(entry2, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, OperationFollowedByDoom) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to CreateEntry and DoomEntry
- // below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- // Queue up our operations.
- // For this test all we need is some operation followed by a doom, a create
- // fulfills that requirement.
- int rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- rv = DoomEntry(cache.http_cache(), m_transaction.url, transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that the CreateEntry succeeded.
- ASSERT_EQ(cb.results()[0], OK);
- // Verify that the DoomEntry requests a restart (CACHE_RACE).
- ASSERT_EQ(cb.results()[1], ERR_CACHE_RACE);
- }
- TEST_F(HttpCacheIOCallbackTest, CreateFollowedByOpenOrCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to CreateEntry and
- // OpenOrCreateEntry below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- // Queue up our operations.
- int rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- rv = OpenOrCreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that the CreateEntry succeeded.
- ASSERT_EQ(cb.results()[0], OK);
- ASSERT_NE(entry1, nullptr);
- // Verify that OpenOrCreateEntry succeeded.
- ASSERT_EQ(cb.results()[1], OK);
- ASSERT_NE(entry2, nullptr);
- ASSERT_EQ(entry1->disk_entry, entry2->disk_entry);
- }
- TEST_F(HttpCacheIOCallbackTest, FailedCreateFollowedByOpenOrCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to CreateEntry and
- // OpenOrCreateEntry below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- cache.disk_cache()->set_force_fail_callback_later(true);
- // Queue up our operations.
- int rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cache.disk_cache()->set_force_fail_callback_later(false);
- rv = OpenOrCreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that CreateEntry failed correctly.
- ASSERT_EQ(cb.results()[0], ERR_CACHE_CREATE_FAILURE);
- ASSERT_EQ(entry1, nullptr);
- // Verify that the OpenOrCreateEntry requests a restart (CACHE_RACE).
- ASSERT_EQ(cb.results()[1], ERR_CACHE_RACE);
- ASSERT_EQ(entry2, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, OpenFollowedByOpenOrCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to OpenEntry and
- // OpenOrCreateEntry below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry0 = nullptr;
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- // First need to create and entry so we can open it.
- int rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry0,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), static_cast<size_t>(1));
- ASSERT_EQ(cb.results()[0], OK);
- ASSERT_NE(entry0, nullptr);
- // Manually DeactivateEntry() because OpenEntry() fails if there is an
- // existing active entry.
- DeactivateEntry(cache.http_cache(), entry0);
- // Queue up our operations.
- rv = OpenEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- rv = OpenOrCreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 3u);
- // Verify that the OpenEntry succeeded.
- ASSERT_EQ(cb.results()[1], OK);
- ASSERT_NE(entry1, nullptr);
- // Verify that OpenOrCreateEntry succeeded.
- ASSERT_EQ(cb.results()[2], OK);
- ASSERT_NE(entry2, nullptr);
- ASSERT_EQ(entry1->disk_entry, entry2->disk_entry);
- }
- TEST_F(HttpCacheIOCallbackTest, FailedOpenFollowedByOpenOrCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to OpenEntry and
- // OpenOrCreateEntry below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- cache.disk_cache()->set_force_fail_callback_later(true);
- // Queue up our operations.
- int rv = OpenEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cache.disk_cache()->set_force_fail_callback_later(false);
- rv = OpenOrCreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that OpenEntry failed correctly.
- ASSERT_EQ(cb.results()[0], ERR_CACHE_OPEN_FAILURE);
- ASSERT_EQ(entry1, nullptr);
- // Verify that the OpenOrCreateEntry requests a restart (CACHE_RACE).
- ASSERT_EQ(cb.results()[1], ERR_CACHE_RACE);
- ASSERT_EQ(entry2, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, OpenOrCreateFollowedByCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to OpenOrCreateEntry and
- // CreateEntry below require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- // Queue up our operations.
- int rv = OpenOrCreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- rv = CreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that the OpenOrCreateEntry succeeded.
- ASSERT_EQ(cb.results()[0], OK);
- ASSERT_NE(entry1, nullptr);
- // Verify that CreateEntry failed.
- ASSERT_EQ(cb.results()[1], ERR_CACHE_CREATE_FAILURE);
- ASSERT_EQ(entry2, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, OpenOrCreateFollowedByOpenOrCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to OpenOrCreateEntry below
- // require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- // Queue up our operations.
- int rv = OpenOrCreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- rv = OpenOrCreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that the OpenOrCreateEntry succeeded.
- ASSERT_EQ(cb.results()[0], OK);
- ASSERT_NE(entry1, nullptr);
- // Verify that the other succeeded.
- ASSERT_EQ(cb.results()[1], OK);
- ASSERT_NE(entry2, nullptr);
- }
- TEST_F(HttpCacheIOCallbackTest, FailedOpenOrCreateFollowedByOpenOrCreate) {
- MockHttpCache cache;
- TestCompletionCallbackForHttpCache cb;
- std::unique_ptr<Transaction> transaction =
- std::make_unique<Transaction>(DEFAULT_PRIORITY, cache.http_cache());
- transaction->SetIOCallBackForTest(cb.callback());
- // Create the backend here as our direct calls to OpenOrCreateEntry below
- // require that it exists.
- cache.backend();
- // Need a mock transaction in order to use some of MockHttpCache's
- // functions.
- ScopedMockTransaction m_transaction(kSimpleGET_Transaction);
- ActiveEntry* entry1 = nullptr;
- ActiveEntry* entry2 = nullptr;
- cache.disk_cache()->set_force_fail_callback_later(true);
- // Queue up our operations.
- int rv = OpenOrCreateEntry(cache.http_cache(), m_transaction.url, &entry1,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- cache.disk_cache()->set_force_fail_callback_later(false);
- rv = OpenOrCreateEntry(cache.http_cache(), m_transaction.url, &entry2,
- transaction.get());
- ASSERT_EQ(rv, ERR_IO_PENDING);
- // Wait for all the results to arrive.
- cb.GetResult(rv);
- ASSERT_EQ(cb.results().size(), 2u);
- // Verify that the OpenOrCreateEntry failed.
- ASSERT_EQ(cb.results()[0], ERR_CACHE_OPEN_OR_CREATE_FAILURE);
- ASSERT_EQ(entry1, nullptr);
- // Verify that the other failed.
- ASSERT_EQ(cb.results()[1], ERR_CACHE_OPEN_OR_CREATE_FAILURE);
- ASSERT_EQ(entry2, nullptr);
- }
- TEST_F(HttpCacheTest, DnsAliasesNoRevalidation) {
- MockHttpCache cache;
- HttpResponseInfo response;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.dns_aliases = {"alias1", "alias2"};
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response);
- EXPECT_FALSE(response.was_cached);
- EXPECT_THAT(response.dns_aliases, testing::ElementsAre("alias1", "alias2"));
- // The second request should be cached, and the response used without
- // revalidation. Set the transaction alias list to empty to verify that the
- // cached aliases are being used.
- transaction.dns_aliases = {};
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response);
- EXPECT_TRUE(response.was_cached);
- EXPECT_THAT(response.dns_aliases, testing::ElementsAre("alias1", "alias2"));
- }
- TEST_F(HttpCacheTest, NoDnsAliasesNoRevalidation) {
- MockHttpCache cache;
- HttpResponseInfo response;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- transaction.dns_aliases = {};
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response);
- EXPECT_FALSE(response.was_cached);
- EXPECT_TRUE(response.dns_aliases.empty());
- // The second request should be cached, and the response used without
- // revalidation. Set the transaction alias list to nonempty to verify that the
- // cached aliases are being used.
- transaction.dns_aliases = {"alias"};
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response);
- EXPECT_TRUE(response.was_cached);
- EXPECT_TRUE(response.dns_aliases.empty());
- }
- TEST_F(HttpCacheTest, DnsAliasesRevalidation) {
- MockHttpCache cache;
- HttpResponseInfo response;
- ScopedMockTransaction transaction(kTypicalGET_Transaction);
- transaction.response_headers =
- "Date: Wed, 28 Nov 2007 09:40:09 GMT\n"
- "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n"
- "Cache-Control: max-age=0\n";
- transaction.dns_aliases = {"alias1", "alias2"};
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response);
- EXPECT_FALSE(response.was_cached);
- EXPECT_THAT(response.dns_aliases, testing::ElementsAre("alias1", "alias2"));
- // On the second request, the cache should be revalidated. Change the aliases
- // to be sure that the new aliases are being used, and have the response be
- // cached for next time.
- transaction.response_headers = "Cache-Control: max-age=10000\n";
- transaction.dns_aliases = {"alias3", "alias4"};
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response);
- EXPECT_FALSE(response.was_cached);
- EXPECT_THAT(response.dns_aliases, testing::ElementsAre("alias3", "alias4"));
- transaction.dns_aliases = {"alias5", "alias6"};
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response);
- EXPECT_TRUE(response.was_cached);
- EXPECT_THAT(response.dns_aliases, testing::ElementsAre("alias3", "alias4"));
- }
- TEST_F(HttpCacheTest, SecurityHeadersAreCopiedToConditionalizedResponse) {
- MockHttpCache cache;
- HttpResponseInfo response;
- ScopedMockTransaction transaction(kSimpleGET_Transaction);
- static const Response kNetResponse1 = {
- "HTTP/1.1 200 OK",
- "Date: Fri, 12 Jun 2009 21:46:42 GMT\n"
- "Server: server1\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n"
- "Cross-Origin-Resource-Policy: cross-origin\n",
- "body1"};
- static const Response kNetResponse2 = {
- "HTTP/1.1 304 Not Modified",
- "Date: Wed, 22 Jul 2009 03:15:26 GMT\n"
- "Server: server2\n"
- "Last-Modified: Wed, 06 Feb 2008 22:38:21 GMT\n",
- ""};
- kNetResponse1.AssignTo(&transaction);
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response);
- // On the second request, the cache is revalidated.
- const char kExtraRequestHeaders[] =
- "If-Modified-Since: Wed, 06 Feb 2008 22:38:21 GMT\r\n";
- transaction.request_headers = kExtraRequestHeaders;
- kNetResponse2.AssignTo(&transaction);
- RunTransactionTestWithResponseInfo(cache.http_cache(), transaction,
- &response);
- // Verify that the CORP header was carried over to the response.
- std::string response_corp_header;
- response.headers->GetNormalizedHeader("Cross-Origin-Resource-Policy",
- &response_corp_header);
- EXPECT_EQ(304, response.headers->response_code());
- EXPECT_EQ("cross-origin", response_corp_header);
- }
- class HttpCacheSingleKeyedCacheTest : public HttpCacheTest {
- public:
- void SetUp() override {
- // The single-keyed cache feature is meaningless when the split cache is not
- // enabled. The //net layer doesn't care whether or not the
- // "CacheTransparency" feature is enabled.
- feature_list_.InitWithFeatureState(
- net::features::kSplitCacheByNetworkIsolationKey, true);
- HttpCacheTest::SetUp();
- }
- void RunTransactionTestForSingleKeyedCache(
- HttpCache* cache,
- const MockTransaction& trans_info,
- const NetworkIsolationKey& network_isolation_key,
- const std::string& checksum) {
- ScopedMockTransaction transaction(trans_info);
- MockHttpRequest request(transaction);
- request.network_isolation_key = network_isolation_key;
- request.checksum = checksum;
- HttpResponseInfo response_info;
- RunTransactionTestWithRequest(cache, transaction, request, &response_info);
- }
- void RunSimpleTransactionTestForSingleKeyedCache(
- HttpCache* cache,
- const NetworkIsolationKey& network_isolation_key,
- const std::string& checksum) {
- RunTransactionTestForSingleKeyedCache(cache, kSimpleGET_Transaction,
- network_isolation_key, checksum);
- }
- private:
- base::test::ScopedFeatureList feature_list_;
- };
- constexpr char kChecksumForSimpleGET[] =
- "80B4C37CEF5CFE69B4A90830282AA2BB772DC4CBC00491A219CE5F2AD75C7B58";
- TEST_F(HttpCacheSingleKeyedCacheTest, SuccessfulGET) {
- MockHttpCache cache;
- // The first request adds the item to the cache.
- {
- const auto site_a = SchemefulSite(GURL("https://a.com/"));
- RunSimpleTransactionTestForSingleKeyedCache(
- cache.http_cache(), NetworkIsolationKey(site_a, site_a),
- kChecksumForSimpleGET);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The second request verifies that the same cache entry is used with a
- // different NetworkIsolationKey
- {
- const auto site_b = SchemefulSite(GURL("https://b.com/"));
- RunSimpleTransactionTestForSingleKeyedCache(
- cache.http_cache(), NetworkIsolationKey(site_b, site_b),
- kChecksumForSimpleGET);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- }
- TEST_F(HttpCacheSingleKeyedCacheTest, GETWithChecksumMismatch) {
- MockHttpCache cache;
- const auto site_a = SchemefulSite(GURL("https://a.com/"));
- // The first request adds the item to the cache.
- {
- RunSimpleTransactionTestForSingleKeyedCache(
- cache.http_cache(), NetworkIsolationKey(site_a, site_a),
- "000000000000000000000000000000000000000000000000000000000000000");
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The second request doesn't use the item that was added to the single-keyed
- // cache, but adds it to the split cache instead.
- {
- RunSimpleTransactionTestForSingleKeyedCache(
- cache.http_cache(), NetworkIsolationKey(site_a, site_a),
- "000000000000000000000000000000000000000000000000000000000000000");
- // Fetches from the network again, this time into the split cache.
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- // The third request uses the split cache.
- {
- RunSimpleTransactionTestForSingleKeyedCache(
- cache.http_cache(), NetworkIsolationKey(site_a, site_a),
- "000000000000000000000000000000000000000000000000000000000000000");
- // Fetches from the split cache.
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(3, cache.disk_cache()->open_count()); // opens both cache entries
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- }
- TEST_F(HttpCacheSingleKeyedCacheTest, GETWithBadResponseCode) {
- MockHttpCache cache;
- MockTransaction transaction = kSimpleGET_Transaction;
- transaction.status = "HTTP/1.1 404 Not Found";
- const auto site_a = SchemefulSite(GURL("https://a.com/"));
- // The first request adds the item to the single-keyed cache.
- {
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_a, site_a),
- kChecksumForSimpleGET);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The second request verifies that the cache entry is not re-used
- // but a new one is created in the split cache.
- {
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_a, site_a),
- kChecksumForSimpleGET);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- }
- // This is identical to GETWithBadResponseCode but with a different response
- // code. It's not very realistic as it doesn't call DoneReading(), but it covers
- // the relevant code path.
- TEST_F(HttpCacheSingleKeyedCacheTest, RedirectUnusable) {
- MockHttpCache cache;
- MockTransaction transaction = kSimpleGET_Transaction;
- transaction.status = "HTTP/1.1 301 Moved Permanently";
- const auto site_a = SchemefulSite(GURL("https://a.com/"));
- // The first request adds the item to the single-keyed cache.
- {
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_a, site_a),
- kChecksumForSimpleGET);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The second request verifies that the cache entry is not re-used
- // but a new one is created in the split cache.
- {
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_a, site_a),
- kChecksumForSimpleGET);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- }
- TEST_F(HttpCacheSingleKeyedCacheTest, SuccessfulRevalidation) {
- MockHttpCache cache;
- MockTransaction transaction = kSimpleGET_Transaction;
- // Add a cache control header to permit the entry to be cached, with max-age 0
- // to force relatidation next time. Add Etag to permit it to be revalidated.
- transaction.response_headers =
- "Etag: \"foo\"\n"
- "Cache-Control: max-age=0\n";
- {
- const auto site_a = SchemefulSite(GURL("https://a.com/"));
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_a, site_a),
- kChecksumForSimpleGET);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The second request revalidates the existing entry.
- {
- const auto site_b = SchemefulSite(GURL("https://b.com/"));
- transaction.status = "HTTP/1.1 304 Not Modified";
- // Allow it to be reused without validation next time by increasing max-age.
- transaction.response_headers =
- "Etag: \"foo\"\n"
- "Cache-Control: max-age=10000\n";
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_b, site_b),
- kChecksumForSimpleGET);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The third request re-uses the entry.
- {
- const auto site_c = SchemefulSite(GURL("https://c.com/"));
- // Load from cache again.
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_c, site_c),
- kChecksumForSimpleGET);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- }
- TEST_F(HttpCacheSingleKeyedCacheTest, RevalidationChangingUncheckedHeader) {
- MockHttpCache cache;
- MockTransaction transaction = kSimpleGET_Transaction;
- // Add a cache control header to permit the entry to be cached, with max-age 0
- // to force relatidation next time. Add Etag to permit it to be revalidated.
- transaction.response_headers =
- "Etag: \"foo\"\n"
- "Cache-Control: max-age=0\n";
- {
- const auto site_a = SchemefulSite(GURL("https://a.com/"));
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_a, site_a),
- kChecksumForSimpleGET);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The second request revalidates the existing entry.
- {
- const auto site_b = SchemefulSite(GURL("https://b.com/"));
- transaction.status = "HTTP/1.1 304 Not Modified";
- // Add a response header. This is the only difference from the
- // SuccessfulRevalidation test.
- transaction.response_headers =
- "Etag: \"foo\"\n"
- "Cache-Control: max-age=10000\n"
- "X-Unchecked-Header: 1\n";
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_b, site_b),
- kChecksumForSimpleGET);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The third request re-uses the entry.
- {
- const auto site_c = SchemefulSite(GURL("https://c.com/"));
- // Load from cache again.
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_c, site_c),
- kChecksumForSimpleGET);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- }
- TEST_F(HttpCacheSingleKeyedCacheTest, RevalidationChangingCheckedHeader) {
- MockHttpCache cache;
- MockTransaction transaction = kSimpleGET_Transaction;
- // Add a cache control header to permit the entry to be cached, with max-age 0
- // to force relatidation next time. Add Etag to permit it to be revalidated.
- transaction.response_headers =
- "Etag: \"foo\"\n"
- "Cache-Control: max-age=0\n";
- {
- const auto site_a = SchemefulSite(GURL("https://a.com/"));
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_a, site_a),
- kChecksumForSimpleGET);
- EXPECT_EQ(1, cache.network_layer()->transaction_count());
- EXPECT_EQ(0, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The second request marks the single-keyed cache entry unusable because the
- // checksum no longer matches.
- {
- const auto site_b = SchemefulSite(GURL("https://b.com/"));
- transaction.status = "HTTP/1.1 304 Not Modified";
- // Add the "Vary" response header.
- transaction.response_headers =
- "Etag: \"foo\"\n"
- "Cache-Control: max-age=10000\n"
- "Vary: Cookie\n";
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_b, site_b),
- kChecksumForSimpleGET);
- EXPECT_EQ(2, cache.network_layer()->transaction_count());
- EXPECT_EQ(1, cache.disk_cache()->open_count());
- EXPECT_EQ(1, cache.disk_cache()->create_count());
- }
- // The third request has to go to the network because the single-keyed cache
- // entry is unusable. It writes a new entry to the split cache.
- {
- const auto site_c = SchemefulSite(GURL("https://c.com/"));
- RunTransactionTestForSingleKeyedCache(cache.http_cache(), transaction,
- NetworkIsolationKey(site_c, site_c),
- kChecksumForSimpleGET);
- EXPECT_EQ(3, cache.network_layer()->transaction_count());
- EXPECT_EQ(2, cache.disk_cache()->open_count());
- EXPECT_EQ(2, cache.disk_cache()->create_count());
- }
- }
- } // namespace net
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