1 // Copyright (c) 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 CHROME_BROWSER_CHROMEOS_DRIVE_FAKE_FILE_SYSTEM_H_ 6 #define CHROME_BROWSER_CHROMEOS_DRIVE_FAKE_FILE_SYSTEM_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/callback_forward.h" 12 #include "base/files/scoped_temp_dir.h" 13 #include "base/memory/scoped_ptr.h" 14 #include "chrome/browser/chromeos/drive/file_errors.h" 15 #include "chrome/browser/chromeos/drive/file_system_interface.h" 16 #include "chrome/browser/google_apis/gdata_errorcode.h" 17 18 namespace google_apis { 19 20 class AboutResource; 21 class ResourceEntry; 22 class ResourceList; 23 24 } // namespace google_apis 25 26 namespace drive { 27 28 class DriveServiceInterface; 29 class FileSystemObserver; 30 class ResourceEntry; 31 32 namespace test_util { 33 34 // This class implements a fake FileSystem which acts like a real Drive 35 // file system with FakeDriveService, for testing purpose. 36 // Note that this class doesn't support "caching" at the moment, so the number 37 // of interactions to the FakeDriveService may be bigger than the real 38 // implementation. 39 // Currently most methods are empty (not implemented). 40 class FakeFileSystem : public FileSystemInterface { 41 public: 42 explicit FakeFileSystem(DriveServiceInterface* drive_service); 43 virtual ~FakeFileSystem(); 44 45 // Initialization for testing. This can be called instead of Initialize 46 // for testing purpose. Returns true for success. 47 bool InitializeForTesting(); 48 49 // FileSystemInterface Overrides. 50 virtual void Initialize() OVERRIDE; 51 virtual void AddObserver(FileSystemObserver* observer) OVERRIDE; 52 virtual void RemoveObserver(FileSystemObserver* observer) OVERRIDE; 53 virtual void CheckForUpdates() OVERRIDE; 54 virtual void TransferFileFromRemoteToLocal( 55 const base::FilePath& remote_src_file_path, 56 const base::FilePath& local_dest_file_path, 57 const FileOperationCallback& callback) OVERRIDE; 58 virtual void TransferFileFromLocalToRemote( 59 const base::FilePath& local_src_file_path, 60 const base::FilePath& remote_dest_file_path, 61 const FileOperationCallback& callback) OVERRIDE; 62 virtual void OpenFile(const base::FilePath& file_path, 63 OpenMode open_mode, 64 const OpenFileCallback& callback) OVERRIDE; 65 virtual void Copy(const base::FilePath& src_file_path, 66 const base::FilePath& dest_file_path, 67 const FileOperationCallback& callback) OVERRIDE; 68 virtual void Move(const base::FilePath& src_file_path, 69 const base::FilePath& dest_file_path, 70 const FileOperationCallback& callback) OVERRIDE; 71 virtual void Remove(const base::FilePath& file_path, 72 bool is_recursive, 73 const FileOperationCallback& callback) OVERRIDE; 74 virtual void CreateDirectory(const base::FilePath& directory_path, 75 bool is_exclusive, 76 bool is_recursive, 77 const FileOperationCallback& callback) OVERRIDE; 78 virtual void CreateFile(const base::FilePath& file_path, 79 bool is_exclusive, 80 const FileOperationCallback& callback) OVERRIDE; 81 virtual void TouchFile(const base::FilePath& file_path, 82 const base::Time& last_access_time, 83 const base::Time& last_modified_time, 84 const FileOperationCallback& callback) OVERRIDE; 85 virtual void TruncateFile(const base::FilePath& file_path, 86 int64 length, 87 const FileOperationCallback& callback) OVERRIDE; 88 virtual void Pin(const base::FilePath& file_path, 89 const FileOperationCallback& callback) OVERRIDE; 90 virtual void Unpin(const base::FilePath& file_path, 91 const FileOperationCallback& callback) OVERRIDE; 92 virtual void GetFileByPath(const base::FilePath& file_path, 93 const GetFileCallback& callback) OVERRIDE; 94 virtual void GetFileByPathForSaving(const base::FilePath& file_path, 95 const GetFileCallback& callback) OVERRIDE; 96 virtual void GetFileContentByPath( 97 const base::FilePath& file_path, 98 const GetFileContentInitializedCallback& initialized_callback, 99 const google_apis::GetContentCallback& get_content_callback, 100 const FileOperationCallback& completion_callback) OVERRIDE; 101 virtual void GetResourceEntryByPath( 102 const base::FilePath& file_path, 103 const GetResourceEntryCallback& callback) OVERRIDE; 104 virtual void ReadDirectoryByPath( 105 const base::FilePath& file_path, 106 const ReadDirectoryCallback& callback) OVERRIDE; 107 virtual void Search(const std::string& search_query, 108 const GURL& next_url, 109 const SearchCallback& callback) OVERRIDE; 110 virtual void SearchMetadata(const std::string& query, 111 int options, 112 int at_most_num_matches, 113 const SearchMetadataCallback& callback) OVERRIDE; 114 virtual void GetAvailableSpace( 115 const GetAvailableSpaceCallback& callback) OVERRIDE; 116 virtual void GetShareUrl( 117 const base::FilePath& file_path, 118 const GURL& embed_origin, 119 const GetShareUrlCallback& callback) OVERRIDE; 120 virtual void GetMetadata( 121 const GetFilesystemMetadataCallback& callback) OVERRIDE; 122 virtual void MarkCacheFileAsMounted( 123 const base::FilePath& drive_file_path, 124 const MarkMountedCallback& callback) OVERRIDE; 125 virtual void MarkCacheFileAsUnmounted( 126 const base::FilePath& cache_file_path, 127 const FileOperationCallback& callback) OVERRIDE; 128 virtual void GetCacheEntryByResourceId( 129 const std::string& resource_id, 130 const GetCacheEntryCallback& callback) OVERRIDE; 131 virtual void Reload() OVERRIDE; 132 133 private: 134 // Helper of GetResourceEntryById. 135 void GetResourceEntryByIdAfterGetResourceEntry( 136 const GetResourceEntryCallback& callback, 137 google_apis::GDataErrorCode error_in, 138 scoped_ptr<google_apis::ResourceEntry> resource_entry); 139 140 // Helpers of GetFileContentByPath. 141 // How the method works: 142 // 1) Gets ResourceEntry of the path. 143 // 2) Look at if there is a cache file or not. If found return it. 144 // 3) Otherwise start DownloadFile. 145 // 4) Runs the |completion_callback| upon the download completion. 146 void GetFileContentByPathAfterGetResourceEntry( 147 const GetFileContentInitializedCallback& initialized_callback, 148 const google_apis::GetContentCallback& get_content_callback, 149 const FileOperationCallback& completion_callback, 150 FileError error, 151 scoped_ptr<ResourceEntry> entry); 152 void GetFileContentByPathAfterGetWapiResourceEntry( 153 const GetFileContentInitializedCallback& initialized_callback, 154 const google_apis::GetContentCallback& get_content_callback, 155 const FileOperationCallback& completion_callback, 156 google_apis::GDataErrorCode gdata_error, 157 scoped_ptr<google_apis::ResourceEntry> gdata_entry); 158 void GetFileContentByPathAfterDownloadFile( 159 const FileOperationCallback& completion_callback, 160 google_apis::GDataErrorCode gdata_error, 161 const base::FilePath& temp_file); 162 163 // Helpers of GetResourceEntryByPath. 164 // How the method works: 165 // 1) If the path is root, gets AboutResrouce from the drive service 166 // and create ResourceEntry. 167 // 2-1) Otherwise, gets the parent's ResourceEntry by recursive call. 168 // 2-2) Then, gets the resource list by restricting the parent with its id. 169 // 2-3) Search the results based on title, and return the ResourceEntry. 170 // Note that adding suffix (e.g. " (2)") for files sharing a same name is 171 // not supported in FakeFileSystem. Thus, even if the server has 172 // files sharing the same name under a directory, the second (or later) 173 // file cannot be taken with the suffixed name. 174 void GetResourceEntryByPathAfterGetAboutResource( 175 const GetResourceEntryCallback& callback, 176 google_apis::GDataErrorCode gdata_error, 177 scoped_ptr<google_apis::AboutResource> about_resource); 178 void GetResourceEntryByPathAfterGetParentEntryInfo( 179 const base::FilePath& base_name, 180 const GetResourceEntryCallback& callback, 181 FileError error, 182 scoped_ptr<ResourceEntry> parent_entry); 183 void GetResourceEntryByPathAfterGetResourceList( 184 const base::FilePath& base_name, 185 const GetResourceEntryCallback& callback, 186 google_apis::GDataErrorCode gdata_error, 187 scoped_ptr<google_apis::ResourceList> resource_list); 188 189 DriveServiceInterface* drive_service_; // Not owned. 190 base::ScopedTempDir cache_dir_; 191 192 // Note: This should remain the last member so it'll be destroyed and 193 // invalidate the weak pointers before any other members are destroyed. 194 base::WeakPtrFactory<FakeFileSystem> weak_ptr_factory_; 195 196 DISALLOW_COPY_AND_ASSIGN(FakeFileSystem); 197 }; 198 199 } // namespace test_util 200 } // namespace drive 201 202 #endif // CHROME_BROWSER_CHROMEOS_DRIVE_FAKE_FILE_SYSTEM_H_ 203
