src/chrome/browser/chromeos/login/screen_locker_browsertest.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 "chrome/browser/chromeos/login/screen_locker.h"
   6
   7 #include "ash/wm/window_state.h"
   8 #include "base/command_line.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "chrome/browser/chrome_notification_types.h"
  12 #include "chrome/browser/chromeos/login/mock_authenticator.h"
  13 #include "chrome/browser/chromeos/login/screen_locker_tester.h"
  14 #include "chrome/browser/chromeos/login/user_manager.h"
  15 #include "chrome/browser/profiles/profile_manager.h"
  16 #include "chrome/browser/ui/browser.h"
  17 #include "chrome/browser/ui/browser_window.h"
  18 #include "chrome/browser/ui/fullscreen/fullscreen_controller.h"
  19 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  20 #include "chrome/common/chrome_switches.h"
  21 #include "chrome/test/base/in_process_browser_test.h"
  22 #include "chrome/test/base/ui_test_utils.h"
  23 #include "chromeos/chromeos_switches.h"
  24 #include "chromeos/dbus/fake_dbus_thread_manager.h"
  25 #include "chromeos/dbus/fake_session_manager_client.h"
  26 #include "content/public/browser/notification_service.h"
  27 #include "testing/gmock/include/gmock/gmock.h"
  28 #include "testing/gtest/include/gtest/gtest.h"
  29 #include "ui/base/test/ui_controls.h"
  30 #include "ui/compositor/layer_animator.h"
  31 #include "ui/compositor/scoped_animation_duration_scale_mode.h"
  32 #include "ui/views/widget/widget.h"
  33
  34 using testing::_;
  35 using testing::AnyNumber;
  36 using testing::Return;
  37
  38 namespace {
  39
  40 // An object that wait for lock state and fullscreen state.
  41 class Waiter : public content::NotificationObserver {
  42  public:
  43   explicit Waiter(Browser* browser)
  44       : browser_(browser),
  45         running_(false) {
  46     registrar_.Add(this,
  47                    chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
  48                    content::NotificationService::AllSources());
  49     registrar_.Add(this,
  50                    chrome::NOTIFICATION_FULLSCREEN_CHANGED,
  51                    content::NotificationService::AllSources());
  52   }
  53
  54   virtual ~Waiter() {
  55   }
  56
  57   virtual void Observe(int type,
  58                        const content::NotificationSource& source,
  59                        const content::NotificationDetails& details) OVERRIDE {
  60     DCHECK(type == chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED ||
  61            type == chrome::NOTIFICATION_FULLSCREEN_CHANGED);
  62     if (running_)
  63       base::MessageLoop::current()->Quit();
  64   }
  65
  66   // Wait until the two conditions are met.
  67   void Wait(bool locker_state, bool fullscreen) {
  68     running_ = true;
  69     scoped_ptr<chromeos::test::ScreenLockerTester>
  70         tester(chromeos::ScreenLocker::GetTester());
  71     while (tester->IsLocked() != locker_state ||
  72            browser_->window()->IsFullscreen() != fullscreen) {
  73       content::RunMessageLoop();
  74     }
  75     // Make sure all pending tasks are executed.
  76     content::RunAllPendingInMessageLoop();
  77     running_ = false;
  78   }
  79
  80  private:
  81   Browser* browser_;
  82   content::NotificationRegistrar registrar_;
  83
  84   // Are we currently running the message loop?
  85   bool running_;
  86
  87   DISALLOW_COPY_AND_ASSIGN(Waiter);
  88 };
  89
  90 }  // namespace
  91
  92 namespace chromeos {
  93
  94 class ScreenLockerTest : public InProcessBrowserTest {
  95  public:
  96   ScreenLockerTest() : fake_session_manager_client_(NULL) {
  97   }
  98
  99  protected:
 100   FakeSessionManagerClient* fake_session_manager_client_;
 101
 102   void LockScreen(test::ScreenLockerTester* tester) {
 103     ScreenLocker::Show();
 104     tester->EmulateWindowManagerReady();
 105     content::WindowedNotificationObserver lock_state_observer(
 106         chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
 107         content::NotificationService::AllSources());
 108     if (!tester->IsLocked())
 109       lock_state_observer.Wait();
 110     EXPECT_TRUE(tester->IsLocked());
 111   }
 112
 113   // Verifies if LockScreenDismissed() was called once.
 114   bool VerifyLockScreenDismissed() {
 115     return 1 == fake_session_manager_client_->
 116                     notify_lock_screen_dismissed_call_count();
 117   }
 118
 119  private:
 120   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
 121     FakeDBusThreadManager* fake_dbus_thread_manager = new FakeDBusThreadManager;
 122     fake_dbus_thread_manager->SetFakeClients();
 123     fake_session_manager_client_ = new FakeSessionManagerClient;
 124     fake_dbus_thread_manager->SetSessionManagerClient(
 125         scoped_ptr<SessionManagerClient>(fake_session_manager_client_));
 126     DBusThreadManager::SetInstanceForTesting(fake_dbus_thread_manager);
 127
 128     InProcessBrowserTest::SetUpInProcessBrowserTestFixture();
 129     zero_duration_mode_.reset(new ui::ScopedAnimationDurationScaleMode(
 130         ui::ScopedAnimationDurationScaleMode::ZERO_DURATION));
 131   }
 132
 133   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
 134     command_line->AppendSwitchASCII(switches::kLoginProfile, "user");
 135     command_line->AppendSwitch(switches::kForceMultiProfileInTests);
 136   }
 137
 138   scoped_ptr<ui::ScopedAnimationDurationScaleMode> zero_duration_mode_;
 139
 140   DISALLOW_COPY_AND_ASSIGN(ScreenLockerTest);
 141 };
 142
 143 IN_PROC_BROWSER_TEST_F(ScreenLockerTest, TestBasic) {
 144   ScreenLocker::Show();
 145   scoped_ptr<test::ScreenLockerTester> tester(ScreenLocker::GetTester());
 146   tester->EmulateWindowManagerReady();
 147   content::WindowedNotificationObserver lock_state_observer(
 148       chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
 149       content::NotificationService::AllSources());
 150   if (!chromeos::ScreenLocker::GetTester()->IsLocked())
 151     lock_state_observer.Wait();
 152
 153   // Test to make sure that the widget is actually appearing and is of
 154   // reasonable size, preventing a regression of
 155   // http://code.google.com/p/chromium-os/issues/detail?id=5987
 156   gfx::Rect lock_bounds = tester->GetChildWidget()->GetWindowBoundsInScreen();
 157   EXPECT_GT(lock_bounds.width(), 10);
 158   EXPECT_GT(lock_bounds.height(), 10);
 159
 160   tester->InjectMockAuthenticator(UserManager::kStubUser, "pass");
 161   EXPECT_TRUE(tester->IsLocked());
 162   tester->EnterPassword("fail");
 163   content::RunAllPendingInMessageLoop();
 164   EXPECT_TRUE(tester->IsLocked());
 165   tester->EnterPassword("pass");
 166   content::RunAllPendingInMessageLoop();
 167   // Successful authentication clears the lock screen and tells the
 168   // SessionManager to announce this over DBus.
 169   EXPECT_FALSE(tester->IsLocked());
 170   EXPECT_EQ(
 171       1,
 172       fake_session_manager_client_->notify_lock_screen_shown_call_count());
 173
 174   EXPECT_TRUE(VerifyLockScreenDismissed());
 175 }
 176
 177 // Test how locking the screen affects an active fullscreen window.
 178 IN_PROC_BROWSER_TEST_F(ScreenLockerTest, TestFullscreenExit) {
 179   // 1) If the active browser window is in fullscreen and the fullscreen window
 180   // does not have all the pixels (e.g. the shelf is auto hidden instead of
 181   // hidden), locking the screen should not exit fullscreen. The shelf is
 182   // auto hidden when in immersive fullscreen.
 183   scoped_ptr<test::ScreenLockerTester> tester(ScreenLocker::GetTester());
 184   BrowserWindow* browser_window = browser()->window();
 185   ash::wm::WindowState* window_state = ash::wm::GetWindowState(
 186       browser_window->GetNativeWindow());
 187   {
 188     Waiter waiter(browser());
 189     browser()->fullscreen_controller()->ToggleFullscreenMode();
 190     waiter.Wait(false /* not locked */, true /* full screen */);
 191     EXPECT_TRUE(browser_window->IsFullscreen());
 192     EXPECT_FALSE(window_state->hide_shelf_when_fullscreen());
 193     EXPECT_FALSE(tester->IsLocked());
 194   }
 195   {
 196     Waiter waiter(browser());
 197     ScreenLocker::Show();
 198     tester->EmulateWindowManagerReady();
 199     waiter.Wait(true /* locked */, true /* full screen */);
 200     EXPECT_TRUE(browser_window->IsFullscreen());
 201     EXPECT_FALSE(window_state->hide_shelf_when_fullscreen());
 202     EXPECT_TRUE(tester->IsLocked());
 203   }
 204   tester->InjectMockAuthenticator(UserManager::kStubUser, "pass");
 205   tester->EnterPassword("pass");
 206   content::RunAllPendingInMessageLoop();
 207   EXPECT_FALSE(tester->IsLocked());
 208   {
 209     Waiter waiter(browser());
 210     browser()->fullscreen_controller()->ToggleFullscreenMode();
 211     waiter.Wait(false /* not locked */, false /* fullscreen */);
 212     EXPECT_FALSE(browser_window->IsFullscreen());
 213   }
 214
 215   // 2) If the active browser window is in fullscreen and the fullscreen window
 216   // has all of the pixels, locking the screen should exit fullscreen. The
 217   // fullscreen window has all of the pixels when in tab fullscreen.
 218   {
 219     Waiter waiter(browser());
 220     content::WebContents* web_contents =
 221         browser()->tab_strip_model()->GetActiveWebContents();
 222     browser()->fullscreen_controller()->ToggleFullscreenModeForTab(
 223         web_contents, true);
 224     waiter.Wait(false /* not locked */, true /* fullscreen */);
 225     EXPECT_TRUE(browser_window->IsFullscreen());
 226     EXPECT_TRUE(window_state->hide_shelf_when_fullscreen());
 227     EXPECT_FALSE(tester->IsLocked());
 228   }
 229   {
 230     Waiter waiter(browser());
 231     ScreenLocker::Show();
 232     tester->EmulateWindowManagerReady();
 233     waiter.Wait(true /* locked */, false /* full screen */);
 234     EXPECT_FALSE(browser_window->IsFullscreen());
 235     EXPECT_TRUE(tester->IsLocked());
 236   }
 237
 238   tester->InjectMockAuthenticator(UserManager::kStubUser, "pass");
 239   tester->EnterPassword("pass");
 240   content::RunAllPendingInMessageLoop();
 241   EXPECT_FALSE(tester->IsLocked());
 242
 243   EXPECT_EQ(
 244       2,
 245       fake_session_manager_client_->notify_lock_screen_shown_call_count());
 246   EXPECT_EQ(
 247       2,
 248       fake_session_manager_client_->notify_lock_screen_dismissed_call_count());
 249 }
 250
 251 void SimulateKeyPress(views::Widget* widget, ui::KeyboardCode key_code) {
 252   ui_controls::SendKeyPress(widget->GetNativeWindow(),
 253                             key_code, false, false, false, false);
 254 }
 255
 256 void UnlockKeyPress(views::Widget* widget) {
 257   SimulateKeyPress(widget, ui::VKEY_SPACE);
 258 }
 259
 260 IN_PROC_BROWSER_TEST_F(ScreenLockerTest, TestShowTwice) {
 261   scoped_ptr<test::ScreenLockerTester> tester(ScreenLocker::GetTester());
 262   LockScreen(tester.get());
 263
 264   // Calling Show again simply send LockCompleted signal.
 265   ScreenLocker::Show();
 266   EXPECT_TRUE(tester->IsLocked());
 267   EXPECT_EQ(
 268       2,
 269       fake_session_manager_client_->notify_lock_screen_shown_call_count());
 270
 271
 272   // Close the locker to match expectations.
 273   ScreenLocker::Hide();
 274   content::RunAllPendingInMessageLoop();
 275   EXPECT_FALSE(tester->IsLocked());
 276   EXPECT_TRUE(VerifyLockScreenDismissed());
 277 }
 278
 279 // TODO(flackr): Find out why the RenderView isn't getting the escape press
 280 // and re-enable this test (currently this test is flaky).
 281 IN_PROC_BROWSER_TEST_F(ScreenLockerTest, DISABLED_TestEscape) {
 282   scoped_ptr<test::ScreenLockerTester> tester(ScreenLocker::GetTester());
 283   LockScreen(tester.get());
 284
 285   EXPECT_EQ(
 286       1,
 287       fake_session_manager_client_->notify_lock_screen_shown_call_count());
 288
 289   tester->SetPassword("password");
 290   EXPECT_EQ("password", tester->GetPassword());
 291   // Escape clears the password.
 292   SimulateKeyPress(tester->GetWidget(), ui::VKEY_ESCAPE);
 293   content::RunAllPendingInMessageLoop();
 294   EXPECT_EQ("", tester->GetPassword());
 295
 296   // Close the locker to match expectations.
 297   ScreenLocker::Hide();
 298   content::RunAllPendingInMessageLoop();
 299   EXPECT_FALSE(tester->IsLocked());
 300   EXPECT_TRUE(VerifyLockScreenDismissed());
 301 }
 302
 303 }  // namespace chromeos