gdata: Add GDataDirectoryService::GetEntryInfoByResourceId()

chrome/browser/chromeos/gdata/gdata_directory_service_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/gdata/gdata_directory_service.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 297 matching lines @@
 
 TEST(GDataDirectoryServiceTest, GetEntryByResourceId_RootDirectory) {
   GDataDirectoryService directory_service;
   // Look up the root directory by its resource ID.
   GDataEntry* entry = directory_service.GetEntryByResourceId(
       kGDataRootDirectoryResourceId);
   ASSERT_TRUE(entry);
   EXPECT_EQ(kGDataRootDirectoryResourceId, entry->resource_id());
 }
 
+TEST(GDataDirectoryServiceTest, GetEntryInfoByResourceId) {
+  MessageLoopForUI message_loop;
+  content::TestBrowserThread ui_thread(content::BrowserThread::UI,
+                                       &message_loop);
+  GDataDirectoryService directory_service;
+  InitDirectoryService(&directory_service);
+
+  // Confirm that an existing file is found.
+  GDataFileError error = GDATA_FILE_ERROR_FAILED;
+  scoped_ptr<GDataEntryProto> entry_proto;
+  directory_service.GetEntryInfoByResourceId(
+      "file_resource_id:file4",
+      base::Bind(&test_util::CopyResultsFromGetEntryInfoCallback,
+                 &error, &entry_proto));
+  test_util::RunBlockingPoolTask();
+  EXPECT_EQ(GDATA_FILE_OK, error);
+  ASSERT_TRUE(entry_proto.get());
+  EXPECT_EQ("file4", entry_proto->base_name());
+
+  // Confirm that a non existing file is not found.
+  error = GDATA_FILE_ERROR_FAILED;
+  entry_proto.reset();
+  directory_service.GetEntryInfoByResourceId(
+      "file:non_existing",
+      base::Bind(&test_util::CopyResultsFromGetEntryInfoCallback,
+                 &error, &entry_proto));
+  test_util::RunBlockingPoolTask();
+  EXPECT_EQ(GDATA_FILE_ERROR_NOT_FOUND, error);
+  EXPECT_FALSE(entry_proto.get());
+}
+
 TEST(GDataDirectoryServiceTest, GetEntryInfoByPath) {
   MessageLoopForUI message_loop;
   content::TestBrowserThread ui_thread(content::BrowserThread::UI,
                                        &message_loop);
   GDataDirectoryService directory_service;
   InitDirectoryService(&directory_service);
 
   // Confirm that an existing file is found.
   GDataFileError error = GDATA_FILE_ERROR_FAILED;
   scoped_ptr<GDataEntryProto> entry_proto;
@@ skipping 165 matching lines @@
   GDataDirectoryService directory_service2;
   // InitFromDB should succeed with GDATA_FILE_OK as the db now exists.
   directory_service2.InitFromDB(db_path, blocking_task_runner,
       base::Bind(&InitFromDBCallback, GDATA_FILE_OK));
   test_util::RunBlockingPoolTask();
 
   VerifyDirectoryService(&directory_service2);
 }
 
 }  // namespace gdata