test_file_system_backend.h revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_BACKEND_H_
6#define CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_BACKEND_H_
7
8#include "base/files/file_path.h"
9#include "base/memory/ref_counted.h"
10#include "base/memory/scoped_ptr.h"
11#include "webkit/browser/fileapi/async_file_util_adapter.h"
12#include "webkit/browser/fileapi/file_system_backend.h"
13#include "webkit/browser/fileapi/task_runner_bound_observer_list.h"
14
15namespace base {
16class SequencedTaskRunner;
17}
18
19namespace fileapi {
20class AsyncFileUtilAdapter;
21class FileSystemQuotaUtil;
22}
23
24namespace content {
25
26// This should be only used for testing.
27// This file system backend uses LocalFileUtil and stores data file
28// under the given directory.
29class TestFileSystemBackend : public fileapi::FileSystemBackend {
30 public:
31  TestFileSystemBackend(
32      base::SequencedTaskRunner* task_runner,
33      const base::FilePath& base_path);
34  virtual ~TestFileSystemBackend();
35
36  // FileSystemBackend implementation.
37  virtual bool CanHandleType(fileapi::FileSystemType type) const OVERRIDE;
38  virtual void Initialize(fileapi::FileSystemContext* context) OVERRIDE;
39  virtual void ResolveURL(const fileapi::FileSystemURL& url,
40                          fileapi::OpenFileSystemMode mode,
41                          const OpenFileSystemCallback& callback) OVERRIDE;
42  virtual fileapi::AsyncFileUtil* GetAsyncFileUtil(
43      fileapi::FileSystemType type) OVERRIDE;
44  virtual fileapi::CopyOrMoveFileValidatorFactory*
45      GetCopyOrMoveFileValidatorFactory(
46      fileapi::FileSystemType type,
47      base::File::Error* error_code) OVERRIDE;
48  virtual fileapi::FileSystemOperation* CreateFileSystemOperation(
49      const fileapi::FileSystemURL& url,
50      fileapi::FileSystemContext* context,
51      base::File::Error* error_code) const OVERRIDE;
52  virtual bool SupportsStreaming(
53      const fileapi::FileSystemURL& url) const OVERRIDE;
54  virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader(
55      const fileapi::FileSystemURL& url,
56      int64 offset,
57      const base::Time& expected_modification_time,
58      fileapi::FileSystemContext* context) const OVERRIDE;
59  virtual scoped_ptr<fileapi::FileStreamWriter> CreateFileStreamWriter(
60      const fileapi::FileSystemURL& url,
61      int64 offset,
62      fileapi::FileSystemContext* context) const OVERRIDE;
63  virtual fileapi::FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE;
64
65  // Initialize the CopyOrMoveFileValidatorFactory. Invalid to call more than
66  // once.
67  void InitializeCopyOrMoveFileValidatorFactory(
68      scoped_ptr<fileapi::CopyOrMoveFileValidatorFactory> factory);
69
70  const fileapi::UpdateObserverList*
71      GetUpdateObservers(fileapi::FileSystemType type) const;
72  void AddFileChangeObserver(fileapi::FileChangeObserver* observer);
73
74  // For CopyOrMoveFileValidatorFactory testing. Once it's set to true
75  // GetCopyOrMoveFileValidatorFactory will start returning security
76  // error if validator is not initialized.
77  void set_require_copy_or_move_validator(bool flag) {
78    require_copy_or_move_validator_ = flag;
79  }
80
81 private:
82  class QuotaUtil;
83
84  base::FilePath base_path_;
85  scoped_refptr<base::SequencedTaskRunner> task_runner_;
86  scoped_ptr<fileapi::AsyncFileUtilAdapter> file_util_;
87  scoped_ptr<QuotaUtil> quota_util_;
88
89  bool require_copy_or_move_validator_;
90  scoped_ptr<fileapi::CopyOrMoveFileValidatorFactory>
91      copy_or_move_file_validator_factory_;
92
93  DISALLOW_COPY_AND_ASSIGN(TestFileSystemBackend);
94};
95
96}  // namespace content
97
98#endif  // CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_BACKEND_H_
99