chrome/browser/ui/zoom/zoom_controller_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/message_loop/message_loop.h"
   6 #include "base/prefs/pref_service.h"
   7 #include "chrome/browser/ui/browser.h"
   8 #include "chrome/browser/ui/browser_finder.h"
   9 #include "chrome/browser/ui/zoom/zoom_controller.h"
  10 #include "chrome/browser/ui/zoom/zoom_observer.h"
  11 #include "chrome/common/pref_names.h"
  12 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
  13 #include "chrome/test/base/testing_profile.h"
  14 #include "content/public/browser/browser_thread.h"
  15 #include "content/public/browser/host_zoom_map.h"
  16 #include "content/public/browser/navigation_details.h"
  17 #include "content/public/common/frame_navigate_params.h"
  18 #include "content/public/test/test_utils.h"
  19 #include "testing/gmock/include/gmock/gmock.h"
  20 #include "testing/gtest/include/gtest/gtest.h"
  21
  22 class TestZoomObserver : public ZoomObserver {
  23  public:
  24   MOCK_METHOD2(OnZoomChanged, void(content::WebContents*, bool));
  25 };
  26
  27 class ZoomControllerTest : public ChromeRenderViewHostTestHarness {
  28  public:
  29   virtual void SetUp() OVERRIDE {
  30     ChromeRenderViewHostTestHarness::SetUp();
  31     zoom_controller_.reset(new ZoomController(web_contents()));
  32     zoom_controller_->set_observer(&zoom_observer_);
  33   }
  34
  35   virtual void TearDown() OVERRIDE {
  36     zoom_controller_.reset();
  37     ChromeRenderViewHostTestHarness::TearDown();
  38   }
  39
  40  protected:
  41   scoped_ptr<ZoomController> zoom_controller_;
  42   TestZoomObserver zoom_observer_;
  43 };
  44
  45 TEST_F(ZoomControllerTest, DidNavigateMainFrame) {
  46   EXPECT_CALL(zoom_observer_, OnZoomChanged(web_contents(), false)).Times(1);
  47   zoom_controller_->DidNavigateMainFrame(content::LoadCommittedDetails(),
  48                                          content::FrameNavigateParams());
  49 }
  50
  51 TEST_F(ZoomControllerTest, OnPreferenceChanged) {
  52   EXPECT_CALL(zoom_observer_, OnZoomChanged(web_contents(), false)).Times(1);
  53   profile()->GetPrefs()->SetDouble(prefs::kDefaultZoomLevel, 110.0f);
  54 }
  55
  56 TEST_F(ZoomControllerTest, Observe) {
  57   EXPECT_CALL(zoom_observer_, OnZoomChanged(web_contents(), false)).Times(1);
  58
  59   content::HostZoomMap* host_zoom_map =
  60       content::HostZoomMap::GetForBrowserContext(
  61           web_contents()->GetBrowserContext());
  62
  63   host_zoom_map->SetZoomLevelForHost(std::string(), 110.0f);
  64 }