storage/browser/file_system/local_file_stream_reader_unittest.cc

// Copyright 2014 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 "storage/browser/file_system/local_file_stream_reader.h"

#include <stddef.h>
#include <stdint.h>

#include <memory>
#include <string>

#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/stl_util.h"
#include "base/test/task_environment.h"
#include "base/threading/thread.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/base/test_completion_callback.h"
#include "storage/browser/file_system/file_stream_reader_test.h"
#include "storage/browser/file_system/file_stream_test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace storage {

class LocalFileStreamReaderTest : public FileStreamReaderTest {
 public:
  LocalFileStreamReaderTest() : file_thread_("TestFileThread") {}

  void SetUp() override {
    ASSERT_TRUE(dir_.CreateUniqueTempDir());
    ASSERT_TRUE(file_thread_.Start());
  }

  void TearDown() override {
    // Give another chance for deleted streams to perform Close.
    base::RunLoop().RunUntilIdle();
    file_thread_.Stop();
    base::RunLoop().RunUntilIdle();
  }

  std::unique_ptr<FileStreamReader> CreateFileReader(
      const std::string& file_name,
      int64_t initial_offset,
      const base::Time& expected_modification_time) override {
    return FileStreamReader::CreateForLocalFile(
        file_task_runner(), test_dir().AppendASCII(file_name), initial_offset,
        expected_modification_time);
  }

  void WriteFile(const std::string& file_name,
                 const char* buf,
                 size_t buf_size,
                 base::Time* modification_time) override {
    base::FilePath path = test_dir().AppendASCII(file_name);
    base::WriteFile(path, buf, buf_size);

    base::File::Info file_info;
    ASSERT_TRUE(base::GetFileInfo(path, &file_info));
    if (modification_time)
      *modification_time = file_info.last_modified;
  }

  void TouchFile(const std::string& file_name, base::TimeDelta delta) override {
    base::FilePath path = test_dir().AppendASCII(file_name);
    base::File::Info file_info;
    ASSERT_TRUE(base::GetFileInfo(path, &file_info));
    ASSERT_TRUE(base::TouchFile(path, file_info.last_accessed,
                                file_info.last_modified + delta));
  }

  void EnsureFileTaskFinished() override {
    base::RunLoop run_loop;
    file_task_runner()->PostTaskAndReply(FROM_HERE, base::DoNothing(),

                                         run_loop.QuitClosure());
    run_loop.Run();
  }

  base::FilePath test_dir() const { return dir_.GetPath(); }

  base::SingleThreadTaskRunner* file_task_runner() const {
    return file_thread_.task_runner().get();
  }

 private:
  base::ScopedTempDir dir_;
  base::Thread file_thread_;
};

INSTANTIATE_TYPED_TEST_SUITE_P(Local,
                               FileStreamReaderTypedTest,
                               LocalFileStreamReaderTest);

}  // namespace storage