Add unittest for google_apis::GetAboutOperation.

chrome/browser/google_apis/test_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_GOOGLE_APIS_TEST_UTIL_H_
 #define CHROME_BROWSER_GOOGLE_APIS_TEST_UTIL_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/google_apis/gdata_errorcode.h"
 #include "googleurl/src/gurl.h"
 
 class FilePath;
 
 namespace base {
 class Value;
 }
 
 namespace google_apis {
 
 class AccountMetadataFeed;
+class AuthenticatedOperationInterface;
 class ResourceEntry;
 class ResourceList;
 
 namespace test_server {
 class HttpResponse;
 }
 
 namespace test_util {
 
 // Runs a task posted to the blocking pool, including subsequent tasks posted
@@ skipping 20 matching lines @@
 // Copies the results from EntryActionCallback.
 void CopyResultsFromEntryActionCallback(GDataErrorCode* error_out,
                                         GDataErrorCode error_in);
 
 // Copies the results from GetDataCallback.
 void CopyResultsFromGetDataCallback(GDataErrorCode* error_out,
                                     scoped_ptr<base::Value>* value_out,
                                     GDataErrorCode error_in,
                                     scoped_ptr<base::Value> value_in);
 
+// Copies the results from GetDataCallback and quit the message loop.
+void CopyResultsFromGetDataCallbackAndQuit(GDataErrorCode* error_out,
+                                           scoped_ptr<base::Value>* value_out,
+                                           GDataErrorCode error_in,
+                                           scoped_ptr<base::Value> value_in);
+
 // Copies the results from GetResourceEntryCallback.
 void CopyResultsFromGetResourceEntryCallback(
     GDataErrorCode* error_out,
     scoped_ptr<ResourceEntry>* resource_entry_out,
     GDataErrorCode error_in,
     scoped_ptr<ResourceEntry> resource_entry_in);
 
 // Copies the results from GetResourceListCallback.
 void CopyResultsFromGetResourceListCallback(
     GDataErrorCode* error_out,
     scoped_ptr<ResourceList>* resource_list_out,
     GDataErrorCode error_in,
     scoped_ptr<ResourceList> resource_list_in);
 
 // Copies the results from GetAccountMetadataCallback.
 void CopyResultsFromGetAccountMetadataCallback(
     GDataErrorCode* error_out,
     scoped_ptr<AccountMetadataFeed>* account_metadata_out,
     GDataErrorCode error_in,
     scoped_ptr<AccountMetadataFeed> account_metadata_in);
 
 // Returns a HttpResponse created from the given file path.
 scoped_ptr<test_server::HttpResponse> CreateHttpResponseFromFile(
     const FilePath& file_path);
 
+// Does nothing for ReAuthenticateCallback(). This function should be used
+// if it is not expected to reach this method as there won't be any
+// authentication failures in the test.
+void DoNothingForReAuthenticateCallback(
+    AuthenticatedOperationInterface* operation);
+
+// Returns true if |json_data| is not NULL and equals to the content in
+// |expected_json_file_path|. The failure reason will be logged into LOG(ERROR)
+// if necessary.
+bool VerifyJsonData(const FilePath& expected_json_file_path,
+                    const base::Value* json_data);
+
 }  // namespace test_util
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_TEST_UTIL_H_