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- // Copyright 2021 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/dns/nsswitch_reader.h"
- #include <string>
- #include <utility>
- #include <vector>
- #include "base/bind.h"
- #include "base/check.h"
- #include "testing/gmock/include/gmock/gmock.h"
- #include "testing/gtest/include/gtest/gtest.h"
- namespace net {
- namespace {
- class TestFileReader {
- public:
- explicit TestFileReader(std::string text) : text_(std::move(text)) {}
- TestFileReader(const TestFileReader&) = delete;
- TestFileReader& operator=(const TestFileReader&) = delete;
- NsswitchReader::FileReadCall GetFileReadCall() {
- return base::BindRepeating(&TestFileReader::ReadFile,
- base::Unretained(this));
- }
- std::string ReadFile() {
- CHECK(!already_read_);
- already_read_ = true;
- return text_;
- }
- private:
- std::string text_;
- bool already_read_ = false;
- };
- class NsswitchReaderTest : public testing::Test {
- public:
- NsswitchReaderTest() = default;
- NsswitchReaderTest(const NsswitchReaderTest&) = delete;
- NsswitchReaderTest& operator=(const NsswitchReaderTest&) = delete;
- protected:
- NsswitchReader reader_;
- };
- // Attempt to load the actual nsswitch.conf for the test machine and run
- // rationality checks for the result.
- TEST_F(NsswitchReaderTest, ActualReadAndParseHosts) {
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- // Assume nobody will ever run this on a machine with more than 1000
- // configured services.
- EXPECT_THAT(services, testing::SizeIs(testing::Le(1000u)));
- // Assume no service will ever have more than 10 configured actions per
- // service.
- for (const NsswitchReader::ServiceSpecification& service : services) {
- EXPECT_THAT(service.actions, testing::SizeIs(testing::Le(10u)));
- }
- }
- TEST_F(NsswitchReaderTest, FileReadErrorResultsInDefault) {
- TestFileReader file_reader("");
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- // Expect "files dns".
- EXPECT_THAT(
- services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kFiles),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kDns)));
- }
- TEST_F(NsswitchReaderTest, MissingHostsResultsInDefault) {
- const std::string kFile =
- "passwd: files ldap\nshadow: files\ngroup: files ldap\n";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- // Expect "files dns".
- EXPECT_THAT(
- services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kFiles),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kDns)));
- }
- TEST_F(NsswitchReaderTest, ParsesAllKnownServices) {
- const std::string kFile =
- "hosts: files dns mdns mdns4 mdns6 mdns_minimal mdns4_minimal "
- "mdns6_minimal myhostname resolve nis";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(
- services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kFiles),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kDns),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kMdns),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kMdns4),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kMdns6),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdnsMinimal),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns4Minimal),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns6Minimal),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMyHostname),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kResolve),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kNis)));
- }
- TEST_F(NsswitchReaderTest, ParsesRepeatedServices) {
- const std::string kFile = "hosts: mdns4 mdns6 mdns6 myhostname";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(
- services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kMdns4),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kMdns6),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kMdns6),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMyHostname)));
- }
- TEST_F(NsswitchReaderTest, ParsesAllKnownActions) {
- const std::string kFile =
- "hosts: files [UNAVAIL=RETURN] [UNAVAIL=CONTINUE] [UNAVAIL=MERGE]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kFiles,
- {{/*negated=*/false, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kContinue},
- {/*negated=*/false, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kMerge}})));
- }
- TEST_F(NsswitchReaderTest, ParsesAllKnownStatuses) {
- const std::string kFile =
- "hosts: dns [SUCCESS=RETURN] [NOTFOUND=RETURN] [UNAVAIL=RETURN] "
- "[TRYAGAIN=RETURN]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kDns,
- {{/*negated=*/false, NsswitchReader::Status::kSuccess,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kNotFound,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kTryAgain,
- NsswitchReader::Action::kReturn}})));
- }
- TEST_F(NsswitchReaderTest, ParsesRepeatedActions) {
- const std::string kFile =
- "hosts: nis [!SUCCESS=RETURN] [NOTFOUND=RETURN] [NOTFOUND=RETURN] "
- "[!UNAVAIL=RETURN]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kNis,
- {{/*negated=*/true, NsswitchReader::Status::kSuccess,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kNotFound,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kNotFound,
- NsswitchReader::Action::kReturn},
- {/*negated=*/true, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kReturn}})));
- }
- TEST_F(NsswitchReaderTest, ParsesCombinedActionLists) {
- const std::string kFile =
- "hosts: dns [SUCCESS=RETURN !NOTFOUND=RETURN UNAVAIL=RETURN] files";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kDns,
- {{/*negated=*/false, NsswitchReader::Status::kSuccess,
- NsswitchReader::Action::kReturn},
- {/*negated=*/true, NsswitchReader::Status::kNotFound,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kReturn}}),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kFiles)));
- }
- TEST_F(NsswitchReaderTest, HandlesAtypicalWhitespace) {
- const std::string kFile =
- " database: service \n\n hosts: files\tdns mdns4 \t mdns6 \t "
- "\t\n\t\n";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(
- services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kFiles),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kDns),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kMdns4),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns6)));
- }
- TEST_F(NsswitchReaderTest, HandlesAtypicalWhitespaceInActions) {
- const std::string kFile =
- "hosts: dns [ !UNAVAIL=MERGE \t NOTFOUND=RETURN\t][ UNAVAIL=CONTINUE]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kDns,
- {{/*negated=*/true, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kMerge},
- {/*negated=*/false, NsswitchReader::Status::kNotFound,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kContinue}})));
- }
- TEST_F(NsswitchReaderTest, ParsesActionsWithoutService) {
- const std::string kFile = "hosts: [SUCCESS=RETURN]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kUnknown,
- {{/*negated=*/false, NsswitchReader::Status::kSuccess,
- NsswitchReader::Action::kReturn}})));
- }
- TEST_F(NsswitchReaderTest, ParsesNegatedActions) {
- const std::string kFile =
- "hosts: mdns_minimal [!UNAVAIL=RETURN] [NOTFOUND=CONTINUE] "
- "[!TRYAGAIN=CONTINUE]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdnsMinimal,
- {{/*negated=*/true, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kNotFound,
- NsswitchReader::Action::kContinue},
- {/*negated=*/true, NsswitchReader::Status::kTryAgain,
- NsswitchReader::Action::kContinue}})));
- }
- TEST_F(NsswitchReaderTest, ParsesUnrecognizedServiceAsUnknown) {
- const std::string kFile =
- "passwd: files\nhosts: files super_awesome_service myhostname";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kFiles),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kUnknown),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMyHostname)));
- }
- TEST_F(NsswitchReaderTest, ParsesUnrecognizedStatusAsUnknown) {
- const std::string kFile =
- "hosts: nis [HELLO=CONTINUE]\nshadow: service\ndatabase: cheese";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kNis,
- {{/*negated=*/false, NsswitchReader::Status::kUnknown,
- NsswitchReader::Action::kContinue}})));
- }
- TEST_F(NsswitchReaderTest, ParsesUnrecognizedActionAsUnknown) {
- const std::string kFile =
- "more: service\nhosts: mdns6 [!UNAVAIL=HI]\nshadow: service";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns6,
- {{/*negated=*/true, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kUnknown}})));
- }
- TEST_F(NsswitchReaderTest, ParsesInvalidActionsAsUnknown) {
- const std::string kFile = "hosts: mdns_minimal [a=b=c] nis";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(
- services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdnsMinimal,
- {{/*negated=*/false, NsswitchReader::Status::kUnknown,
- NsswitchReader::Action::kUnknown}}),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kNis)));
- }
- TEST_F(NsswitchReaderTest, IgnoresInvalidlyClosedActions) {
- const std::string kFile = "hosts: myhostname [SUCCESS=MERGE";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMyHostname,
- {{/*negated=*/false, NsswitchReader::Status::kSuccess,
- NsswitchReader::Action::kMerge}})));
- }
- TEST_F(NsswitchReaderTest, ParsesServicesAfterInvalidlyClosedActionsAsUnknown) {
- const std::string kFile = "hosts: resolve [SUCCESS=CONTINUE dns";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kResolve,
- {{/*negated=*/false, NsswitchReader::Status::kSuccess,
- NsswitchReader::Action::kContinue},
- {/*negated=*/false, NsswitchReader::Status::kUnknown,
- NsswitchReader::Action::kUnknown}})));
- }
- TEST_F(NsswitchReaderTest, IgnoresComments) {
- const std::string kFile =
- "#hosts: files super_awesome_service myhostname\nnetmask: service";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- // Expect "files dns" due to not finding an uncommented "hosts:" row.
- EXPECT_THAT(
- services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kFiles),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kDns)));
- }
- TEST_F(NsswitchReaderTest, IgnoresEndOfLineComments) {
- const std::string kFile =
- "hosts: files super_awesome_service myhostname # dns";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kFiles),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kUnknown),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMyHostname)));
- }
- TEST_F(NsswitchReaderTest, IgnoresCapitalization) {
- const std::string kFile = "HoStS: mDNS6 [!uNaVaIl=MeRgE]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns6,
- {{/*negated=*/true, NsswitchReader::Status::kUnavailable,
- NsswitchReader::Action::kMerge}})));
- }
- TEST_F(NsswitchReaderTest, IgnoresEmptyActions) {
- const std::string kFile = "hosts: mdns_minimal [ \t ][] [ ]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdnsMinimal)));
- }
- TEST_F(NsswitchReaderTest, IgnoresRepeatedActionBrackets) {
- const std::string kFile = "hosts: mdns [[SUCCESS=RETURN]]]dns";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(
- services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns,
- {{/*negated=*/false, NsswitchReader::Status::kSuccess,
- NsswitchReader::Action::kReturn}}),
- NsswitchReader::ServiceSpecification(NsswitchReader::Service::kDns)));
- }
- TEST_F(NsswitchReaderTest, IgnoresRepeatedActionBracketsWithWhitespace) {
- const std::string kFile = "hosts: mdns [ [ SUCCESS=RETURN ]\t] ]\t mdns6";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns,
- {{/*negated=*/false, NsswitchReader::Status::kSuccess,
- NsswitchReader::Action::kReturn}}),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns6)));
- }
- TEST_F(NsswitchReaderTest, RejectsNonSensicalActionBrackets) {
- const std::string kFile = "hosts: mdns4 [UNAVAIL[=MERGE]]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns4,
- {{/*negated=*/false, NsswitchReader::Status::kUnknown,
- NsswitchReader::Action::kMerge}})));
- }
- TEST_F(NsswitchReaderTest, RejectsServicesWithBrackets) {
- const std::string kFile = "hosts: se]r[vice[name";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kUnknown)));
- }
- // Other than the case of repeating opening brackets, nested brackets are not
- // valid and should just get treated as part of an action label.
- TEST_F(NsswitchReaderTest, RejectsNestedActionBrackets) {
- const std::string kFile =
- "hosts: nis [SUCCESS=RETURN [NOTFOUND=CONTINUE] UNAVAIL=MERGE]";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kNis,
- {{/*negated=*/false, NsswitchReader::Status::kSuccess,
- NsswitchReader::Action::kReturn},
- {/*negated=*/false, NsswitchReader::Status::kUnknown,
- NsswitchReader::Action::kContinue}}),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kUnknown)));
- }
- TEST_F(NsswitchReaderTest, IgnoresEmptyActionWithRepeatedBrackets) {
- const std::string kFile = "hosts: files [[[]]]] mdns";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kFiles),
- NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kMdns)));
- }
- TEST_F(NsswitchReaderTest, IgnoresEmptyActionAtEndOfString) {
- const std::string kFile = "hosts: dns [[";
- TestFileReader file_reader(kFile);
- reader_.set_file_read_call_for_testing(file_reader.GetFileReadCall());
- std::vector<NsswitchReader::ServiceSpecification> services =
- reader_.ReadAndParseHosts();
- EXPECT_THAT(services,
- testing::ElementsAre(NsswitchReader::ServiceSpecification(
- NsswitchReader::Service::kDns)));
- }
- } // namespace
- } // namespace net
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