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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <string>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "storage/browser/blob/scoped_file.h"
#include "storage/browser/file_system/file_system_context.h"
#include "storage/browser/file_system/file_system_operation_context.h"
#include "storage/browser/file_system/isolated_context.h"
#include "storage/browser/file_system/transient_file_util.h"
#include "storage/browser/quota/quota_manager_proxy.h"
#include "storage/browser/test/test_file_system_context.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "url/gurl.h"
namespace storage {
class TransientFileUtilTest : public testing::Test {
public:
TransientFileUtilTest() = default;
TransientFileUtilTest(const TransientFileUtilTest&) = delete;
TransientFileUtilTest& operator=(const TransientFileUtilTest&) = delete;
~TransientFileUtilTest() override = default;
void SetUp() override {
file_system_context_ = CreateFileSystemContextForTesting(
/*quota_manager_proxy=*/nullptr,
base::FilePath(FILE_PATH_LITERAL("dummy")));
transient_file_util_ = std::make_unique<TransientFileUtil>();
ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
}
void TearDown() override {
file_system_context_ = nullptr;
base::RunLoop().RunUntilIdle();
}
void CreateAndRegisterTemporaryFile(
FileSystemURL* file_url,
base::FilePath* file_path,
IsolatedContext::ScopedFSHandle* filesystem) {
EXPECT_TRUE(base::CreateTemporaryFileInDir(data_dir_.GetPath(), file_path));
IsolatedContext* isolated_context = IsolatedContext::GetInstance();
std::string name = "tmp";
*filesystem = isolated_context->RegisterFileSystemForPath(
kFileSystemTypeForTransientFile, std::string(), *file_path, &name);
ASSERT_TRUE(filesystem->is_valid());
base::FilePath virtual_path =
isolated_context->CreateVirtualRootPath(filesystem->id())
.AppendASCII(name);
*file_url = file_system_context_->CreateCrackedFileSystemURL(
blink::StorageKey::CreateFromStringForTesting("http://foo"),
kFileSystemTypeIsolated, virtual_path);
}
std::unique_ptr<FileSystemOperationContext> NewOperationContext() {
return std::make_unique<FileSystemOperationContext>(
file_system_context_.get());
}
FileSystemFileUtil* file_util() { return transient_file_util_.get(); }
private:
base::test::TaskEnvironment task_environment_;
base::ScopedTempDir data_dir_;
scoped_refptr<FileSystemContext> file_system_context_;
std::unique_ptr<TransientFileUtil> transient_file_util_;
};
TEST_F(TransientFileUtilTest, TransientFile) {
FileSystemURL temp_url;
base::FilePath temp_path;
IsolatedContext::ScopedFSHandle filesystem;
CreateAndRegisterTemporaryFile(&temp_url, &temp_path, &filesystem);
base::File::Error error;
base::File::Info file_info;
base::FilePath path;
// Make sure the file is there.
ASSERT_TRUE(temp_url.is_valid());
ASSERT_TRUE(base::PathExists(temp_path));
ASSERT_FALSE(base::DirectoryExists(temp_path));
// Create a snapshot file.
{
ScopedFile scoped_file = file_util()->CreateSnapshotFile(
NewOperationContext().get(), temp_url, &error, &file_info, &path);
ASSERT_EQ(base::File::FILE_OK, error);
ASSERT_EQ(temp_path, path);
ASSERT_FALSE(file_info.is_directory);
// The file should be still there.
ASSERT_TRUE(base::PathExists(temp_path));
ASSERT_EQ(base::File::FILE_OK,
file_util()->GetFileInfo(NewOperationContext().get(), temp_url,
&file_info, &path));
ASSERT_EQ(temp_path, path);
ASSERT_FALSE(file_info.is_directory);
}
// The file's now scoped out.
base::RunLoop().RunUntilIdle();
// Now the temporary file and the transient filesystem must be gone too.
ASSERT_FALSE(base::PathExists(temp_path));
ASSERT_EQ(base::File::FILE_ERROR_NOT_FOUND,
file_util()->GetFileInfo(NewOperationContext().get(), temp_url,
&file_info, &path));
}
} // namespace storage
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