Add unittest for google_apis::GetAboutOperation.

chrome/browser/google_apis/test_util.cc

Index: chrome/browser/google_apis/test_util.cc
diff --git a/chrome/browser/google_apis/test_util.cc b/chrome/browser/google_apis/test_util.cc
index 009c0269095df51a72ef5171676d93818a5a94f1..05eb682a47bb5acb2539315076bc52dd74e6ffc5 100644
--- a/chrome/browser/google_apis/test_util.cc
+++ b/chrome/browser/google_apis/test_util.cc
@@ -6,6 +6,7 @@
 
 #include "base/file_util.h"
 #include "base/json/json_file_value_serializer.h"
+#include "base/json/json_reader.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
@@ -90,6 +91,15 @@ void CopyResultsFromGetDataCallback(GDataErrorCode* error_out,
   *error_out = error_in;
 }
 
+void CopyResultsFromGetDataCallbackAndQuit(GDataErrorCode* error_out,
+                                           scoped_ptr<base::Value>* value_out,
+                                           GDataErrorCode error_in,
+                                           scoped_ptr<base::Value> value_in) {
+  *error_out = error_in;
+  *value_out = value_in.Pass();
+  MessageLoop::current()->Quit();
+}
+
 void CopyResultsFromGetResourceEntryCallback(
     GDataErrorCode* error_out,
     scoped_ptr<ResourceEntry>* resource_entry_out,
@@ -139,5 +149,35 @@ scoped_ptr<test_server::HttpResponse> CreateHttpResponseFromFile(
   return http_response.Pass();
 }
 
+void DoNothingForReAuthenticateCallback(
+    AuthenticatedOperationInterface* /* operation */) {
+  NOTREACHED();
+}
+
+bool VerifyJsonData(const FilePath& expected_json_file_path,
+                    const base::Value* json_data) {
+  if (!json_data) {
+    LOG(ERROR) << "json_data is NULL";
+    return false;
+  }
+
+  std::string expected_content;
+  if (!file_util::ReadFileToString(
+          expected_json_file_path, &expected_content)) {
+    LOG(ERROR) << "Failed to read file: " << expected_json_file_path.value();
+    return false;
+  }
+
+  scoped_ptr<base::Value> expected_json_data(
+      base::JSONReader::Read(expected_content));
+  if (!base::Value::Equals(expected_json_data.get(), json_data)) {
+    LOG(ERROR)
+        << "The value of json_data is different from the file's content.";
+    return false;
+  }
+
+  return true;
+}
+
 }  // namespace test_util
 }  // namespace google_apis