Reland 73532.

chrome/browser/dom_ui/settings_browsertest.cc

+// Copyright (c) 2011 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/dom_ui/dom_ui_browsertest.h"
+#include "chrome/browser/dom_ui/options/core_options_handler.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/test/ui_test_utils.h"
+#include "googleurl/src/gurl.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using ::testing::StrictMock;
+using ::testing::_;
+
+MATCHER_P(Eq_ListValue, inList, "") {
+  return arg->Equals(inList);
+}
+
+class MockCoreOptionsHandler : public CoreOptionsHandler {
+ public:
+  MOCK_METHOD1(HandleInitialize,
+      void(const ListValue* args));
+  MOCK_METHOD1(HandleFetchPrefs,
+      void(const ListValue* args));
+  MOCK_METHOD1(HandleObservePrefs,
+      void(const ListValue* args));
+  MOCK_METHOD1(HandleSetBooleanPref,
+      void(const ListValue* args));
+  MOCK_METHOD1(HandleSetIntegerPref,
+      void(const ListValue* args));
+  MOCK_METHOD1(HandleSetDoublePref,
+      void(const ListValue* args));
+  MOCK_METHOD1(HandleSetStringPref,
+      void(const ListValue* args));
+  MOCK_METHOD1(HandleSetObjectPref,
+      void(const ListValue* args));
+  MOCK_METHOD1(HandleClearPref,
+      void(const ListValue* args));
+  MOCK_METHOD1(HandleUserMetricsAction,
+      void(const ListValue* args));
+
+  virtual void RegisterMessages() {
+    dom_ui_->RegisterMessageCallback("coreOptionsInitialize",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleInitialize));
+    dom_ui_->RegisterMessageCallback("fetchPrefs",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleFetchPrefs));
+    dom_ui_->RegisterMessageCallback("observePrefs",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleObservePrefs));
+    dom_ui_->RegisterMessageCallback("setBooleanPref",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleSetBooleanPref));
+    dom_ui_->RegisterMessageCallback("setIntegerPref",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleSetIntegerPref));
+    dom_ui_->RegisterMessageCallback("setDoublePref",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleSetDoublePref));
+    dom_ui_->RegisterMessageCallback("setStringPref",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleSetStringPref));
+    dom_ui_->RegisterMessageCallback("setObjectPref",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleSetObjectPref));
+    dom_ui_->RegisterMessageCallback("clearPref",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleClearPref));
+    dom_ui_->RegisterMessageCallback("coreOptionsUserMetricsAction",
+        NewCallback(this, &MockCoreOptionsHandler ::HandleUserMetricsAction));
+  }
+};
+
+class SettingsDOMUITest : public DOMUITest {
+ protected:
+  virtual DOMMessageHandler* GetMockMessageHandler() {
+    return &mock_core_options_handler_;
+  }
+
+  StrictMock<MockCoreOptionsHandler> mock_core_options_handler_;
+};
+
+// Test the end to end js to DOMUI handler code path for
+// the message setBooleanPref.
+// TODO(dtseng): add more EXPECT_CALL's when updating js test.
+IN_PROC_BROWSER_TEST_F(SettingsDOMUITest, TestSetBooleanPrefTriggers) {
+  // This serves as an example of a very constrained test.
+  ListValue true_list_value;
+  true_list_value.Append(Value::CreateStringValue("browser.show_home_button"));
+  true_list_value.Append(Value::CreateStringValue("true"));
+  true_list_value.Append(
+      Value::CreateStringValue("Options_Homepage_HomeButton"));
+  ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUISettingsURL));
+  EXPECT_CALL(mock_core_options_handler_,
+      HandleSetBooleanPref(Eq_ListValue(&true_list_value)));
+  ASSERT_TRUE(RunDOMUITest(
+      FILE_PATH_LITERAL("settings_set_boolean_pref_triggers.js")));
+}
+