1 # Copyright (c) 2013 The Chromium OS 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 import logging 6 7 from autotest_lib.client.bin import test, utils 8 from autotest_lib.client.common_lib import error 9 from autotest_lib.client.common_lib.cros import chrome, session_manager 10 from autotest_lib.client.cros import asan 11 12 import gobject 13 from dbus.mainloop.glib import DBusGMainLoop 14 15 class desktopui_ScreenLocker(test.test): 16 """This is a client side test that exercises the screenlocker.""" 17 version = 1 18 19 _SCREEN_IS_LOCKED_TIMEOUT = 30 20 # TODO(jdufault): Remove this timeout increase for asan bots once we figure 21 # out what's taking so long to lock the screen. See crbug.com/452599. 22 if asan.running_on_asan(): 23 _SCREEN_IS_LOCKED_TIMEOUT *= 2 24 25 26 def initialize(self): 27 super(desktopui_ScreenLocker, self).initialize() 28 DBusGMainLoop(set_as_default=True) 29 30 31 @property 32 def screen_locked(self): 33 """True if the screen is locked.""" 34 return self._chrome.login_status['isScreenLocked'] 35 36 37 @property 38 def screenlocker_visible(self): 39 """True if the screenlocker screen is visible.""" 40 oobe = self._chrome.browser.oobe 41 return (oobe and 42 oobe.EvaluateJavaScript( 43 "(typeof Oobe == 'function') && " 44 "(typeof Oobe.authenticateForTesting == 'function') && " 45 "($('account-picker') != null)")) 46 47 @property 48 def error_bubble_visible(self): 49 """True if the error bubble for bad password is visible.""" 50 return self._chrome.browser.oobe.EvaluateJavaScript( 51 "cr.ui.login.DisplayManager.errorMessageWasShownForTesting_;") 52 53 54 def attempt_unlock(self, password=''): 55 """Attempt to unlock a locked screen. The correct password is the empty 56 string. 57 58 @param password: password to use to attempt the unlock. 59 60 """ 61 self._chrome.browser.oobe.ExecuteJavaScript( 62 "Oobe.authenticateForTesting('%s', '%s');" 63 % (self._chrome.username, password)) 64 65 66 def lock_screen(self): 67 """Lock the screen.""" 68 logging.debug('lock_screen') 69 if self.screen_locked: 70 raise error.TestFail('Screen already locked') 71 signal_listener = session_manager.ScreenIsLockedSignalListener( 72 gobject.MainLoop()) 73 ext = self._chrome.autotest_ext 74 ext.EvaluateJavaScript('chrome.autotestPrivate.lockScreen();') 75 signal_listener.wait_for_signals(desc='Screen is locked.', 76 timeout=self._SCREEN_IS_LOCKED_TIMEOUT) 77 utils.poll_for_condition(lambda: self.screenlocker_visible, 78 exception=error.TestFail('Screenlock screen not visible')) 79 if not self.screen_locked: 80 raise error.TestFail('Screen not locked') 81 82 83 def attempt_unlock_bad_password(self): 84 """Attempt unlock with a bad password.""" 85 logging.debug('attempt_unlock_bad_password') 86 if self.error_bubble_visible: 87 raise error.TestFail('Error bubble prematurely visible') 88 self.attempt_unlock('bad') 89 utils.poll_for_condition(lambda: self.error_bubble_visible, 90 exception=error.TestFail('Bad password bubble did not show')) 91 if not self.screen_locked: 92 raise error.TestFail('Screen unlocked with bad password') 93 94 95 def unlock_screen(self): 96 """Unlock the screen with the right password.""" 97 logging.debug('unlock_screen') 98 self.attempt_unlock() 99 utils.poll_for_condition( 100 lambda: not self._chrome.browser.oobe_exists, 101 exception=error.TestFail('Failed to unlock screen')) 102 if self.screen_locked: 103 raise error.TestFail('Screen should be unlocked') 104 105 106 def run_once(self): 107 """ 108 This test locks the screen, tries to unlock with a bad password, 109 then unlocks with the right password. 110 111 """ 112 with chrome.Chrome(autotest_ext=True) as self._chrome: 113 self.lock_screen() 114 self.attempt_unlock_bad_password() 115 self.unlock_screen() 116 117
