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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include <utility>
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/run_loop.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/mock_callback.h"
#include "chrome/browser/extensions/api/image_writer_private/error_constants.h"
#include "chrome/browser/extensions/api/image_writer_private/extraction_properties.h"
#include "chrome/browser/extensions/api/image_writer_private/tar_extractor.h"
#include "chrome/browser/extensions/api/image_writer_private/test_utils.h"
#include "chrome/browser/extensions/api/image_writer_private/xz_extractor.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "content/public/test/browser_test.h"
namespace extensions {
namespace image_writer {
using ::testing::_;
using ::testing::NiceMock;
using ::testing::SaveArg;
using ::testing::StrictMock;
class ExtractorBrowserTest : public InProcessBrowserTest {
protected:
ExtractorBrowserTest() = default;
~ExtractorBrowserTest() override = default;
void SetUpOnMainThread() override {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
properties_.temp_dir_path = temp_dir_.GetPath();
properties_.open_callback = open_callback_.Get();
properties_.complete_callback = complete_callback_.Get();
properties_.failure_callback = failure_callback_.Get();
properties_.progress_callback = progress_callback_.Get();
}
protected:
StrictMock<base::MockCallback<ExtractionProperties::OpenCallback>>
open_callback_;
StrictMock<base::MockCallback<ExtractionProperties::CompleteCallback>>
complete_callback_;
StrictMock<base::MockCallback<ExtractionProperties::FailureCallback>>
failure_callback_;
NiceMock<base::MockCallback<ExtractionProperties::ProgressCallback>>
progress_callback_;
ExtractionProperties properties_;
base::ScopedTempDir temp_dir_;
};
IN_PROC_BROWSER_TEST_F(ExtractorBrowserTest, ExtractTar) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
ASSERT_TRUE(GetTestDataDirectory(&test_data_dir));
properties_.image_path = test_data_dir.AppendASCII("test.tar");
base::FilePath out_path;
base::RunLoop run_loop;
EXPECT_CALL(open_callback_, Run(_)).WillOnce(SaveArg<0>(&out_path));
EXPECT_CALL(complete_callback_, Run())
.WillOnce(base::test::RunClosure(run_loop.QuitClosure()));
TarExtractor::Extract(std::move(properties_));
run_loop.Run();
std::string contents;
ASSERT_TRUE(base::ReadFileToString(out_path, &contents));
EXPECT_EQ("foo\n", contents);
}
IN_PROC_BROWSER_TEST_F(ExtractorBrowserTest, ExtractTarXz) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
ASSERT_TRUE(GetTestDataDirectory(&test_data_dir));
properties_.image_path = test_data_dir.AppendASCII("test.tar.xz");
base::FilePath out_path;
base::RunLoop run_loop;
EXPECT_CALL(open_callback_, Run(_)).WillOnce(SaveArg<0>(&out_path));
EXPECT_CALL(complete_callback_, Run())
.WillOnce(base::test::RunClosure(run_loop.QuitClosure()));
XzExtractor::Extract(std::move(properties_));
run_loop.Run();
std::string contents;
ASSERT_TRUE(base::ReadFileToString(out_path, &contents));
EXPECT_EQ("foo\n", contents);
}
IN_PROC_BROWSER_TEST_F(ExtractorBrowserTest, ExtractNonExistentTarXz) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
ASSERT_TRUE(GetTestDataDirectory(&test_data_dir));
properties_.image_path = test_data_dir.AppendASCII("non_existent.tar.xz");
base::RunLoop run_loop;
EXPECT_CALL(failure_callback_, Run(error::kUnzipGenericError))
.WillOnce(base::test::RunClosure(run_loop.QuitClosure()));
XzExtractor::Extract(std::move(properties_));
run_loop.Run();
}
IN_PROC_BROWSER_TEST_F(ExtractorBrowserTest, ZeroByteTarXzFile) {
base::ScopedAllowBlockingForTesting allow_blocking;
// Use a tar.xz containing an empty file.
base::FilePath test_data_dir;
ASSERT_TRUE(GetTestDataDirectory(&test_data_dir));
properties_.image_path = test_data_dir.AppendASCII("empty_file.tar.xz");
base::FilePath out_path;
base::RunLoop run_loop;
EXPECT_CALL(open_callback_, Run(_)).WillOnce(SaveArg<0>(&out_path));
EXPECT_CALL(complete_callback_, Run())
.WillOnce(base::test::RunClosure(run_loop.QuitClosure()));
// Calling progress callback with total bytes == 0 causes 0 division, so it
// should not be called.
EXPECT_CALL(progress_callback_, Run(0, _)).Times(0);
XzExtractor::Extract(std::move(properties_));
run_loop.Run();
std::string contents;
ASSERT_TRUE(base::ReadFileToString(out_path, &contents));
EXPECT_TRUE(contents.empty());
}
IN_PROC_BROWSER_TEST_F(ExtractorBrowserTest, ExtractBigTarXzFile) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
ASSERT_TRUE(GetTestDataDirectory(&test_data_dir));
properties_.image_path = test_data_dir.AppendASCII("2MBzeros.tar.xz");
base::FilePath out_path;
base::RunLoop run_loop;
EXPECT_CALL(open_callback_, Run(_)).WillOnce(SaveArg<0>(&out_path));
EXPECT_CALL(complete_callback_, Run())
.WillOnce(base::test::RunClosure(run_loop.QuitClosure()));
XzExtractor::Extract(std::move(properties_));
run_loop.Run();
std::string contents;
ASSERT_TRUE(base::ReadFileToString(out_path, &contents));
EXPECT_EQ(contents, std::string(2097152, '\0'));
}
} // namespace image_writer
} // namespace extensions
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