// Copyright 2022 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 "components/update_client/puffin_patcher.h" #include "base/base_paths.h" #include "base/bind.h" #include "base/files/file_path.h" #include "base/files/file_util.h" #include "base/files/scoped_temp_dir.h" #include "base/memory/scoped_refptr.h" #include "base/path_service.h" #include "base/run_loop.h" #include "base/sequence_checker.h" #include "base/test/bind.h" #include "base/test/task_environment.h" #include "base/values.h" #include "components/services/patch/in_process_file_patcher.h" #include "components/update_client/patch/patch_impl.h" #include "components/update_client/test_installer.h" #include "components/update_client/update_client_errors.h" #include "courgette/courgette.h" #include "courgette/third_party/bsdiff/bsdiff.h" #include "testing/gtest/include/gtest/gtest.h" namespace update_client { namespace { base::FilePath OutTestFile(const char* file) { base::FilePath path; base::PathService::Get(base::DIR_GEN_TEST_DATA_ROOT, &path); return path.AppendASCII(file); } } // namespace class PuffinPatcherTest : public testing::Test { public: PuffinPatcherTest() = default; ~PuffinPatcherTest() override = default; protected: base::test::TaskEnvironment env_; }; TEST_F(PuffinPatcherTest, CheckPuffPatch) { // The operation needs a Patcher to access the PatchService. scoped_refptr patcher = base::MakeRefCounted( base::BindRepeating(&patch::LaunchInProcessFilePatcher)) ->Create(); base::FilePath out_file = OutTestFile("puffin_app_v1_to_v2.crx3"); EXPECT_TRUE(base::DeleteFile(out_file)); SEQUENCE_CHECKER(sequence_checker); { base::File input_file(OutTestFile("puffin_app_v1.crx3"), base::File::FLAG_OPEN | base::File::FLAG_READ); base::File patch_file(OutTestFile("puffin_app_v1_to_v2.puff"), base::File::FLAG_OPEN | base::File::FLAG_READ); base::File output_file(out_file, base::File::FLAG_CREATE | base::File::FLAG_WRITE | base::File::FLAG_WIN_EXCLUSIVE_WRITE); base::RunLoop loop; PuffinPatcher::Patch( std::move(input_file), std::move(patch_file), std::move(output_file), patcher, base::BindLambdaForTesting( [&loop, &sequence_checker](UnpackerError error, int extra_code) { DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker); EXPECT_EQ(error, UnpackerError::kNone); EXPECT_EQ(extra_code, 0); loop.Quit(); })); loop.Run(); } EXPECT_TRUE(base::ContentsEqual(OutTestFile("puffin_app_v2.crx3"), out_file)); out_file = OutTestFile("puffin_app_v2_to_v1.crx3"); EXPECT_TRUE(base::DeleteFile(out_file)); { base::File input_file(OutTestFile("puffin_app_v2.crx3"), base::File::FLAG_OPEN | base::File::FLAG_READ); base::File patch_file(OutTestFile("puffin_app_v2_to_v1.puff"), base::File::FLAG_OPEN | base::File::FLAG_READ); base::File output_file(out_file, base::File::FLAG_CREATE | base::File::FLAG_WRITE | base::File::FLAG_WIN_EXCLUSIVE_WRITE); base::RunLoop loop; PuffinPatcher::Patch( std::move(input_file), std::move(patch_file), std::move(output_file), patcher, base::BindLambdaForTesting( [&loop, &sequence_checker](UnpackerError error, int extra_code) { DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker); EXPECT_EQ(error, UnpackerError::kNone); EXPECT_EQ(extra_code, 0); loop.Quit(); })); loop.Run(); } DETACH_FROM_SEQUENCE(sequence_checker); EXPECT_TRUE(base::ContentsEqual(OutTestFile("puffin_app_v1.crx3"), out_file)); } } // namespace update_client