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 "google_apis/drive/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 // FileSystemInterface Overrides. 46 virtual void AddObserver(FileSystemObserver* observer) OVERRIDE; 47 virtual void RemoveObserver(FileSystemObserver* observer) OVERRIDE; 48 virtual void CheckForUpdates() OVERRIDE; 49 virtual void TransferFileFromLocalToRemote( 50 const base::FilePath& local_src_file_path, 51 const base::FilePath& remote_dest_file_path, 52 const FileOperationCallback& callback) OVERRIDE; 53 virtual void OpenFile(const base::FilePath& file_path, 54 OpenMode open_mode, 55 const std::string& mime_type, 56 const OpenFileCallback& callback) OVERRIDE; 57 virtual void Copy(const base::FilePath& src_file_path, 58 const base::FilePath& dest_file_path, 59 bool preserve_last_modified, 60 const FileOperationCallback& callback) OVERRIDE; 61 virtual void Move(const base::FilePath& src_file_path, 62 const base::FilePath& dest_file_path, 63 bool preserve_last_modified, 64 const FileOperationCallback& callback) OVERRIDE; 65 virtual void Remove(const base::FilePath& file_path, 66 bool is_recursive, 67 const FileOperationCallback& callback) OVERRIDE; 68 virtual void CreateDirectory(const base::FilePath& directory_path, 69 bool is_exclusive, 70 bool is_recursive, 71 const FileOperationCallback& callback) OVERRIDE; 72 virtual void CreateFile(const base::FilePath& file_path, 73 bool is_exclusive, 74 const std::string& mime_type, 75 const FileOperationCallback& callback) OVERRIDE; 76 virtual void TouchFile(const base::FilePath& file_path, 77 const base::Time& last_access_time, 78 const base::Time& last_modified_time, 79 const FileOperationCallback& callback) OVERRIDE; 80 virtual void TruncateFile(const base::FilePath& file_path, 81 int64 length, 82 const FileOperationCallback& callback) OVERRIDE; 83 virtual void Pin(const base::FilePath& file_path, 84 const FileOperationCallback& callback) OVERRIDE; 85 virtual void Unpin(const base::FilePath& file_path, 86 const FileOperationCallback& callback) OVERRIDE; 87 virtual void GetFile(const base::FilePath& file_path, 88 const GetFileCallback& callback) OVERRIDE; 89 virtual void GetFileForSaving(const base::FilePath& file_path, 90 const GetFileCallback& callback) OVERRIDE; 91 virtual void GetFileContent( 92 const base::FilePath& file_path, 93 const GetFileContentInitializedCallback& initialized_callback, 94 const google_apis::GetContentCallback& get_content_callback, 95 const FileOperationCallback& completion_callback) OVERRIDE; 96 virtual void GetResourceEntry( 97 const base::FilePath& file_path, 98 const GetResourceEntryCallback& callback) OVERRIDE; 99 virtual void ReadDirectory( 100 const base::FilePath& file_path, 101 const ReadDirectoryCallback& callback) OVERRIDE; 102 virtual void Search(const std::string& search_query, 103 const GURL& next_link, 104 const SearchCallback& callback) OVERRIDE; 105 virtual void SearchMetadata(const std::string& query, 106 int options, 107 int at_most_num_matches, 108 const SearchMetadataCallback& callback) OVERRIDE; 109 virtual void GetAvailableSpace( 110 const GetAvailableSpaceCallback& callback) OVERRIDE; 111 virtual void GetShareUrl( 112 const base::FilePath& file_path, 113 const GURL& embed_origin, 114 const GetShareUrlCallback& callback) OVERRIDE; 115 virtual void GetMetadata( 116 const GetFilesystemMetadataCallback& callback) OVERRIDE; 117 virtual void MarkCacheFileAsMounted( 118 const base::FilePath& drive_file_path, 119 const MarkMountedCallback& callback) OVERRIDE; 120 virtual void MarkCacheFileAsUnmounted( 121 const base::FilePath& cache_file_path, 122 const FileOperationCallback& callback) OVERRIDE; 123 virtual void GetCacheEntry( 124 const base::FilePath& drive_file_path, 125 const GetCacheEntryCallback& callback) OVERRIDE; 126 virtual void Reload(const FileOperationCallback& callback) OVERRIDE; 127 128 private: 129 // Helper of GetResourceEntryById. 130 void GetResourceEntryByIdAfterGetResourceEntry( 131 const GetResourceEntryCallback& callback, 132 google_apis::GDataErrorCode error_in, 133 scoped_ptr<google_apis::ResourceEntry> resource_entry); 134 135 // Helpers of GetFileContent. 136 // How the method works: 137 // 1) Gets ResourceEntry of the path. 138 // 2) Look at if there is a cache file or not. If found return it. 139 // 3) Otherwise start DownloadFile. 140 // 4) Runs the |completion_callback| upon the download completion. 141 void GetFileContentAfterGetResourceEntry( 142 const GetFileContentInitializedCallback& initialized_callback, 143 const google_apis::GetContentCallback& get_content_callback, 144 const FileOperationCallback& completion_callback, 145 FileError error, 146 scoped_ptr<ResourceEntry> entry); 147 void GetFileContentAfterGetWapiResourceEntry( 148 const GetFileContentInitializedCallback& initialized_callback, 149 const google_apis::GetContentCallback& get_content_callback, 150 const FileOperationCallback& completion_callback, 151 google_apis::GDataErrorCode gdata_error, 152 scoped_ptr<google_apis::ResourceEntry> gdata_entry); 153 void GetFileContentAfterDownloadFile( 154 const FileOperationCallback& completion_callback, 155 google_apis::GDataErrorCode gdata_error, 156 const base::FilePath& temp_file); 157 158 // Helpers of GetResourceEntry. 159 // How the method works: 160 // 1) If the path is root, gets AboutResrouce from the drive service 161 // and create ResourceEntry. 162 // 2-1) Otherwise, gets the parent's ResourceEntry by recursive call. 163 // 2-2) Then, gets the resource list by restricting the parent with its id. 164 // 2-3) Search the results based on title, and return the ResourceEntry. 165 // Note that adding suffix (e.g. " (2)") for files sharing a same name is 166 // not supported in FakeFileSystem. Thus, even if the server has 167 // files sharing the same name under a directory, the second (or later) 168 // file cannot be taken with the suffixed name. 169 void GetResourceEntryAfterGetAboutResource( 170 const GetResourceEntryCallback& callback, 171 google_apis::GDataErrorCode gdata_error, 172 scoped_ptr<google_apis::AboutResource> about_resource); 173 void GetResourceEntryAfterGetParentEntryInfo( 174 const base::FilePath& base_name, 175 const GetResourceEntryCallback& callback, 176 FileError error, 177 scoped_ptr<ResourceEntry> parent_entry); 178 void GetResourceEntryAfterGetResourceList( 179 const base::FilePath& base_name, 180 const GetResourceEntryCallback& callback, 181 google_apis::GDataErrorCode gdata_error, 182 scoped_ptr<google_apis::ResourceList> resource_list); 183 184 DriveServiceInterface* drive_service_; // Not owned. 185 base::ScopedTempDir cache_dir_; 186 187 // Note: This should remain the last member so it'll be destroyed and 188 // invalidate the weak pointers before any other members are destroyed. 189 base::WeakPtrFactory<FakeFileSystem> weak_ptr_factory_; 190 191 DISALLOW_COPY_AND_ASSIGN(FakeFileSystem); 192 }; 193 194 } // namespace test_util 195 } // namespace drive 196 197 #endif // CHROME_BROWSER_CHROMEOS_DRIVE_FAKE_FILE_SYSTEM_H_ 198