chromeos: Add DriveFileSystem::Pin/Unpin

chrome/browser/chromeos/drive/drive_file_system_unittest.cc

 // Copyright (c) 2012 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 "chrome/browser/chromeos/drive/drive_file_system.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 1513 matching lines @@
   file_system_->CreateDirectory(
       base::FilePath(FILE_PATH_LITERAL("drive/root/Sample Directory Title")),
       false,  // is_exclusive
       true,  // is_recursive
       google_apis::test_util::CreateCopyResultCallback(&error));
   google_apis::test_util::RunBlockingPoolTask();
 
   EXPECT_EQ(DRIVE_FILE_OK, error);
 }
 
+TEST_F(DriveFileSystemTest, PinAndUnpin) {
+  ASSERT_TRUE(LoadRootFeedDocument());
+
+  base::FilePath file_path(FILE_PATH_LITERAL("drive/root/File 1.txt"));
+
+  // Get the file info.
+  scoped_ptr<DriveEntryProto> entry(GetEntryInfoByPathSync(file_path));
+  ASSERT_TRUE(entry);
+
+  // Pin the file.
+  DriveFileError error = DRIVE_FILE_ERROR_FAILED;
+  EXPECT_CALL(*mock_cache_observer_,
+              OnCachePinned(entry->resource_id(),
+                            entry->file_specific_info().file_md5())).Times(1);
+  file_system_->Pin(file_path,
+                    google_apis::test_util::CreateCopyResultCallback(&error));
+  google_apis::test_util::RunBlockingPoolTask();
+  EXPECT_EQ(DRIVE_FILE_OK, error);
+
+  // Unpin the file.
+  error = DRIVE_FILE_ERROR_FAILED;
+  EXPECT_CALL(*mock_cache_observer_,
+              OnCacheUnpinned(entry->resource_id(),
+                              entry->file_specific_info().file_md5())).Times(1);
+  file_system_->Unpin(file_path,
+                      google_apis::test_util::CreateCopyResultCallback(&error));
+  google_apis::test_util::RunBlockingPoolTask();
+  EXPECT_EQ(DRIVE_FILE_OK, error);
+}
+
 TEST_F(DriveFileSystemTest, GetFileByPath_FromGData_EnoughSpace) {
   ASSERT_TRUE(LoadRootFeedDocument());
 
   // The transfered file is cached and the change of "offline available"
   // attribute is notified.
   EXPECT_CALL(*mock_directory_observer_, OnDirectoryChanged(
       Eq(base::FilePath(FILE_PATH_LITERAL("drive/root"))))).Times(1);
 
   base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
   scoped_ptr<DriveEntryProto> entry_proto(GetEntryInfoByPathSync(file_in_root));
@@ skipping 588 matching lines @@
 
   // An app for foo.exe should now be found, as the registry was loaded.
   drive_webapps_registry_->GetWebAppsForFile(
       base::FilePath(FILE_PATH_LITERAL("foo.exe")),
       "" /* mime_type */,
       &apps);
   EXPECT_EQ(1U, apps.size());
 }
 
 }   // namespace drive