fake_provided_file_system.h revision cedac228d2dd51db4b79ea1e72c7f249408ee061 
1// Copyright 2014 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 CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FAKE_PROVIDED_FILE_SYSTEM_H_
6#define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FAKE_PROVIDED_FILE_SYSTEM_H_
7
8#include <map>
9
10#include "base/memory/weak_ptr.h"
11#include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
12#include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
13
14namespace net {
15class IOBuffer;
16}  // namespace net
17
18namespace extensions {
19class EventRouter;
20}  // namespace extensions
21
22namespace chromeos {
23namespace file_system_provider {
24
25class RequestManager;
26
27extern const char kFakeFileName[];
28extern const char kFakeFilePath[];
29extern const char kFakeFileText[];
30extern const size_t kFakeFileSize;
31
32// Fake provided file system implementation. Does not communicate with target
33// extensions. Used for unit tests.
34class FakeProvidedFileSystem : public ProvidedFileSystemInterface {
35 public:
36  explicit FakeProvidedFileSystem(
37      const ProvidedFileSystemInfo& file_system_info);
38  virtual ~FakeProvidedFileSystem();
39
40  // ProvidedFileSystemInterface overrides.
41  virtual void RequestUnmount(
42      const fileapi::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
43  virtual void GetMetadata(
44      const base::FilePath& entry_path,
45      const fileapi::AsyncFileUtil::GetFileInfoCallback& callback) OVERRIDE;
46  virtual void ReadDirectory(
47      const base::FilePath& directory_path,
48      const fileapi::AsyncFileUtil::ReadDirectoryCallback& callback) OVERRIDE;
49  virtual void OpenFile(const base::FilePath& file_path,
50                        OpenFileMode mode,
51                        bool create,
52                        const OpenFileCallback& callback) OVERRIDE;
53  virtual void CloseFile(
54      int file_handle,
55      const fileapi::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
56  virtual void ReadFile(int file_handle,
57                        net::IOBuffer* buffer,
58                        int64 offset,
59                        int length,
60                        const ReadChunkReceivedCallback& callback) OVERRIDE;
61  virtual const ProvidedFileSystemInfo& GetFileSystemInfo() const OVERRIDE;
62  virtual RequestManager* GetRequestManager() OVERRIDE;
63  virtual base::WeakPtr<ProvidedFileSystemInterface> GetWeakPtr() OVERRIDE;
64
65  // Factory callback, to be used in Service::SetFileSystemFactory(). The
66  // |event_router| argument can be NULL.
67  static ProvidedFileSystemInterface* Create(
68      extensions::EventRouter* event_router,
69      const ProvidedFileSystemInfo& file_system_info);
70
71 private:
72  typedef std::map<int, base::FilePath> OpenedFilesMap;
73
74  ProvidedFileSystemInfo file_system_info_;
75  OpenedFilesMap opened_files_;
76  int last_file_handle_;
77
78  base::WeakPtrFactory<ProvidedFileSystemInterface> weak_ptr_factory_;
79  DISALLOW_COPY_AND_ASSIGN(FakeProvidedFileSystem);
80};
81
82}  // namespace file_system_provider
83}  // namespace chromeos
84
85#endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FAKE_PROVIDED_FILE_SYSTEM_H_
86