[Mac] Implement the search engine manager

chrome/browser/cocoa/keyword_editor_cocoa_controller_unittest.mm

+// Copyright (c) 2009 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 "base/scoped_nsobject.h"
+#include "chrome/browser/browser.h"
+#include "chrome/browser/cocoa/browser_test_helper.h"
+#include "chrome/browser/cocoa/cocoa_test_helper.h"
+#import "chrome/browser/cocoa/keyword_editor_cocoa_controller.h"
+#include "chrome/test/testing_profile.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+
+@interface FakeKeywordEditorController : KeywordEditorCocoaController {
+ @public
+  BOOL changed_;
+}
+- (KeywordEditorModelObserver*)observer;
+@end
+
+@implementation FakeKeywordEditorController
+- (void)modelChanged {
+  changed_ = YES;
+}
+- (KeywordEditorModelObserver*)observer {
+  return observer_.get();
+}
+@end
+
+// TODO(rsesek): Figure out a good way to test this class (crbug.com/21640).
+
+class KeywordEditorCocoaControllerTest : public PlatformTest {
+ public:
+  void SetUp() {
+    TestingProfile* profile =
+        static_cast<TestingProfile*>(browser_helper_.profile());
+    profile->CreateTemplateURLModel();
+    controller_.reset(
+        [[FakeKeywordEditorController alloc] initWithProfile:profile]);
+  }
+
+  CocoaTestHelper cocoa_helper_;
+  BrowserTestHelper browser_helper_;
+  scoped_nsobject<FakeKeywordEditorController> controller_;
+};
+
+TEST_F(KeywordEditorCocoaControllerTest, TestModelChanged) {
+  EXPECT_FALSE(controller_.get()->changed_);
+  KeywordEditorModelObserver* observer = [controller_ observer];
+  observer->OnTemplateURLModelChanged();
+  EXPECT_TRUE(controller_.get()->changed_);
+}