src/chrome/browser/chromeos/login/lock/screen_locker_browsertest.cc

   1 // Copyright 2014 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/lock/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/lock/screen_locker_tester.h"
  13 #include "chrome/browser/profiles/profile_manager.h"
  14 #include "chrome/browser/ui/browser.h"
  15 #include "chrome/browser/ui/browser_window.h"
  16 #include "chrome/browser/ui/fullscreen/fullscreen_controller.h"
  17 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  18 #include "chrome/common/chrome_switches.h"
  19 #include "chrome/test/base/in_process_browser_test.h"
  20 #include "chrome/test/base/ui_test_utils.h"
  21 #include "chromeos/chromeos_switches.h"
  22 #include "chromeos/dbus/dbus_thread_manager.h"
  23 #include "chromeos/dbus/fake_session_manager_client.h"
  24 #include "chromeos/login/auth/key.h"
  25 #include "chromeos/login/auth/mock_authenticator.h"
  26 #include "chromeos/login/auth/user_context.h"
  27 #include "chromeos/login/user_names.h"
  28 #include "content/public/browser/notification_service.h"
  29 #include "testing/gmock/include/gmock/gmock.h"
  30 #include "testing/gtest/include/gtest/gtest.h"
  31 #include "ui/base/test/ui_controls.h"
  32 #include "ui/compositor/layer_animator.h"
  33 #include "ui/compositor/scoped_animation_duration_scale_mode.h"
  34 #include "ui/views/widget/widget.h"
  35
  36 using testing::_;
  37 using testing::AnyNumber;
  38 using testing::Return;
  39
  40 namespace {
  41
  42 // An object that wait for lock state and fullscreen state.
  43 class Waiter : public content::NotificationObserver {
  44  public:
  45   explicit Waiter(Browser* browser)
  46       : browser_(browser),
  47         running_(false) {
  48     registrar_.Add(this,
  49                    chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
  50                    content::NotificationService::AllSources());
  51     registrar_.Add(this,
  52                    chrome::NOTIFICATION_FULLSCREEN_CHANGED,
  53                    content::NotificationService::AllSources());
  54   }
  55
  56   virtual ~Waiter() {
  57   }
  58
  59   virtual void Observe(int type,
  60                        const content::NotificationSource& source,
  61                        const content::NotificationDetails& details) OVERRIDE {
  62     DCHECK(type == chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED ||
  63            type == chrome::NOTIFICATION_FULLSCREEN_CHANGED);
  64     if (running_)
  65       base::MessageLoop::current()->Quit();
  66   }
  67
  68   // Wait until the two conditions are met.
  69   void Wait(bool locker_state, bool fullscreen) {
  70     running_ = true;
  71     scoped_ptr<chromeos::test::ScreenLockerTester>
  72         tester(chromeos::ScreenLocker::GetTester());
  73     while (tester->IsLocked() != locker_state ||
  74            browser_->window()->IsFullscreen() != fullscreen) {
  75       content::RunMessageLoop();
  76     }
  77     // Make sure all pending tasks are executed.
  78     content::RunAllPendingInMessageLoop();
  79     running_ = false;
  80   }
  81
  82  private:
  83   Browser* browser_;
  84   content::NotificationRegistrar registrar_;
  85
  86   // Are we currently running the message loop?
  87   bool running_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(Waiter);
  90 };
  91
  92 }  // namespace
  93
  94 namespace chromeos {
  95
  96 class ScreenLockerTest : public InProcessBrowserTest {
  97  public:
  98   ScreenLockerTest() : fake_session_manager_client_(NULL) {
  99   }
 100
 101  protected:
 102   FakeSessionManagerClient* fake_session_manager_client_;
 103
 104   void LockScreen(test::ScreenLockerTester* tester) {
 105     ScreenLocker::Show();
 106     tester->EmulateWindowManagerReady();
 107     content::WindowedNotificationObserver lock_state_observer(
 108         chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
 109         content::NotificationService::AllSources());
 110     if (!tester->IsLocked())
 111       lock_state_observer.Wait();
 112     EXPECT_TRUE(tester->IsLocked());
 113   }
 114
 115   // Verifies if LockScreenDismissed() was called once.
 116   bool VerifyLockScreenDismissed() {
 117     return 1 == fake_session_manager_client_->
 118                     notify_lock_screen_dismissed_call_count();
 119   }
 120
 121  private:
 122   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
 123     fake_session_manager_client_ = new FakeSessionManagerClient;
 124     DBusThreadManager::GetSetterForTesting()->SetSessionManagerClient(
 125         scoped_ptr<SessionManagerClient>(fake_session_manager_client_));
 126
 127     InProcessBrowserTest::SetUpInProcessBrowserTestFixture();
 128     zero_duration_mode_.reset(new ui::ScopedAnimationDurationScaleMode(
 129         ui::ScopedAnimationDurationScaleMode::ZERO_DURATION));
 130   }
 131
 132   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
 133     command_line->AppendSwitchASCII(switches::kLoginProfile, "user");
 134   }
 135
 136   scoped_ptr<ui::ScopedAnimationDurationScaleMode> zero_duration_mode_;
 137
 138   DISALLOW_COPY_AND_ASSIGN(ScreenLockerTest);
 139 };
 140
 141 IN_PROC_BROWSER_TEST_F(ScreenLockerTest, TestBasic) {
 142   ScreenLocker::Show();
 143   scoped_ptr<test::ScreenLockerTester> tester(ScreenLocker::GetTester());
 144   tester->EmulateWindowManagerReady();
 145   content::WindowedNotificationObserver lock_state_observer(
 146       chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
 147       content::NotificationService::AllSources());
 148   if (!tester->IsLocked())
 149     lock_state_observer.Wait();
 150
 151   // Test to make sure that the widget is actually appearing and is of
 152   // reasonable size, preventing a regression of
 153   // http://code.google.com/p/chromium-os/issues/detail?id=5987
 154   gfx::Rect lock_bounds = tester->GetChildWidget()->GetWindowBoundsInScreen();
 155   EXPECT_GT(lock_bounds.width(), 10);
 156   EXPECT_GT(lock_bounds.height(), 10);
 157
 158   UserContext user_context(chromeos::login::kStubUser);
 159   user_context.SetKey(Key("pass"));
 160   tester->InjectMockAuthenticator(user_context);
 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()->ToggleBrowserFullscreenMode();
 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   UserContext user_context(chromeos::login::kStubUser);
 205   user_context.SetKey(Key("pass"));
 206   tester->InjectMockAuthenticator(user_context);
 207   tester->EnterPassword("pass");
 208   content::RunAllPendingInMessageLoop();
 209   EXPECT_FALSE(tester->IsLocked());
 210   {
 211     Waiter waiter(browser());
 212     browser()->fullscreen_controller()->ToggleBrowserFullscreenMode();
 213     waiter.Wait(false /* not locked */, false /* fullscreen */);
 214     EXPECT_FALSE(browser_window->IsFullscreen());
 215   }
 216
 217   // 2) If the active browser window is in fullscreen and the fullscreen window
 218   // has all of the pixels, locking the screen should exit fullscreen. The
 219   // fullscreen window has all of the pixels when in tab fullscreen.
 220   {
 221     Waiter waiter(browser());
 222     content::WebContents* web_contents =
 223         browser()->tab_strip_model()->GetActiveWebContents();
 224     browser()->fullscreen_controller()->ToggleFullscreenModeForTab(
 225         web_contents, true);
 226     waiter.Wait(false /* not locked */, true /* fullscreen */);
 227     EXPECT_TRUE(browser_window->IsFullscreen());
 228     EXPECT_TRUE(window_state->hide_shelf_when_fullscreen());
 229     EXPECT_FALSE(tester->IsLocked());
 230   }
 231   {
 232     Waiter waiter(browser());
 233     ScreenLocker::Show();
 234     tester->EmulateWindowManagerReady();
 235     waiter.Wait(true /* locked */, false /* full screen */);
 236     EXPECT_FALSE(browser_window->IsFullscreen());
 237     EXPECT_TRUE(tester->IsLocked());
 238   }
 239
 240   tester->EnterPassword("pass");
 241   content::RunAllPendingInMessageLoop();
 242   EXPECT_FALSE(tester->IsLocked());
 243
 244   EXPECT_EQ(
 245       2,
 246       fake_session_manager_client_->notify_lock_screen_shown_call_count());
 247   EXPECT_EQ(
 248       2,
 249       fake_session_manager_client_->notify_lock_screen_dismissed_call_count());
 250 }
 251
 252 void SimulateKeyPress(views::Widget* widget, ui::KeyboardCode key_code) {
 253   ui_controls::SendKeyPress(widget->GetNativeWindow(),
 254                             key_code, false, false, false, false);
 255 }
 256
 257 void UnlockKeyPress(views::Widget* widget) {
 258   SimulateKeyPress(widget, ui::VKEY_SPACE);
 259 }
 260
 261 IN_PROC_BROWSER_TEST_F(ScreenLockerTest, TestShowTwice) {
 262   scoped_ptr<test::ScreenLockerTester> tester(ScreenLocker::GetTester());
 263   LockScreen(tester.get());
 264
 265   // Calling Show again simply send LockCompleted signal.
 266   ScreenLocker::Show();
 267   EXPECT_TRUE(tester->IsLocked());
 268   EXPECT_EQ(
 269       2,
 270       fake_session_manager_client_->notify_lock_screen_shown_call_count());
 271
 272
 273   // Close the locker to match expectations.
 274   ScreenLocker::Hide();
 275   content::RunAllPendingInMessageLoop();
 276   EXPECT_FALSE(tester->IsLocked());
 277   EXPECT_TRUE(VerifyLockScreenDismissed());
 278 }
 279
 280 // TODO(flackr): Find out why the RenderView isn't getting the escape press
 281 // and re-enable this test (currently this test is flaky).
 282 IN_PROC_BROWSER_TEST_F(ScreenLockerTest, DISABLED_TestEscape) {
 283   scoped_ptr<test::ScreenLockerTester> tester(ScreenLocker::GetTester());
 284   LockScreen(tester.get());
 285
 286   EXPECT_EQ(
 287       1,
 288       fake_session_manager_client_->notify_lock_screen_shown_call_count());
 289
 290   tester->SetPassword("password");
 291   EXPECT_EQ("password", tester->GetPassword());
 292   // Escape clears the password.
 293   SimulateKeyPress(tester->GetWidget(), ui::VKEY_ESCAPE);
 294   content::RunAllPendingInMessageLoop();
 295   EXPECT_EQ("", tester->GetPassword());
 296
 297   // Close the locker to match expectations.
 298   ScreenLocker::Hide();
 299   content::RunAllPendingInMessageLoop();
 300   EXPECT_FALSE(tester->IsLocked());
 301   EXPECT_TRUE(VerifyLockScreenDismissed());
 302 }
 303
 304 }  // namespace chromeos