Automating a Chrome crash when Accessibility is turned on.

functional/chromeos_accessibility.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 import logging
 import os
 import subprocess
 import sys
+import time
 
 import pyauto_functional
 import pyauto
 
 sys.path.append('/usr/local')  # To make autotest libs importable.
 from autotest.cros import cros_ui
 from autotest.cros import cryptohome
 
 
 class AccessibilityTest(pyauto.PyUITest):
@@ skipping 47 matching lines @@
     """Test that Guest user login is possible when Accessibility is on."""
     self._EnableSpokenFeedback()
     self.LoginAsGuest()
     login_info = self.GetLoginInfo()
     self.assertTrue(login_info['is_logged_in'], msg='Not logged in at all.')
     self.assertTrue(login_info['is_guest'], msg='Not logged in as guest.')
     url = self.GetFileURLForDataPath('title1.html')
     self.NavigateToURL(url)
     self.assertEqual(1, self.FindInPage('title')['match_count'],
         msg='Failed to load the page or find the page contents.')
+    # crbug.com/129218: adding a volume change functionality to automate this
+    # issue. Please note that we don't verify any functionality here.
+    default_volume = self.GetVolumeInfo()
+    for test_volume in (50.00, 77.00, 85.00, 20.00):
+      self.SetVolume(test_volume)
+      time.sleep(1)
+    self.SetVolume(default_volume.get('volume'))
 
   def testAccessibilityBeforeLogin(self):
     """Test Accessibility before login."""
     self._LoginWithSpokenFeedback()
     self.Logout()
     self.assertFalse(self.GetLoginInfo()['is_logged_in'],
                      msg='Still logged in when we should be logged out.')
     self.assertTrue(self.IsSpokenFeedbackEnabled(),
         msg='Spoken feedback accessibility mode disabled after loggin out.')
 
   def testAccessibilityAfterLogin(self):
     """Test Accessibility after login."""
     self._Login()
     self._EnableSpokenFeedback()
 
   def testPagePerformance(self):
     """Test Chrome works fine when Accessibility is on."""
     self._LoginWithSpokenFeedback()
     # Verify that opened tab page behaves normally when Spoken Feedback is
     # enabled. crosbug.com/26731
     url = self.GetFileURLForDataPath(self.find_test_data_dir, 'largepage.html')
     self.NavigateToURL(url)
     self.assertEqual(373, self.FindInPage('daughter of Prince')['match_count'],
         msg='Failed to load the page or find the page contents.')
 
 
 if __name__ == '__main__':
   pyauto_functional.Main()