sdk/platform-tools/systrace/catapult/telemetry/telemetry/internal/actions/load_media_unittest.py

   1 # Copyright 2015 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 from telemetry import decorators
   6 from telemetry.internal.actions.load_media import LoadMediaAction
   7 from telemetry.testing import tab_test_case
   8
   9 import py_utils
  10
  11
  12 class LoadMediaActionTest(tab_test_case.TabTestCase):
  13
  14   def setUp(self):
  15     tab_test_case.TabTestCase.setUp(self)
  16     self.Navigate('video_test.html')
  17
  18   def eventFired(self, selector, event):
  19     return self._tab.EvaluateJavaScript(
  20         'window.__hasEventCompleted({{ selector }}, {{ event }});',
  21         selector=selector, event=event)
  22
  23   @decorators.Disabled('linux',     # crbug.com/418577
  24                        'chromeos')  # crbug.com/632802
  25   def testAwaitedEventIsConfigurable(self):
  26     """It's possible to wait for different events."""
  27     action = LoadMediaAction(selector='#video_1', timeout_in_seconds=0.1,
  28                              event_to_await='loadedmetadata')
  29     action.WillRunAction(self._tab)
  30     action.RunAction(self._tab)
  31     self.assertTrue(self.eventFired('#video_1', 'loadedmetadata'))
  32
  33   @decorators.Disabled('linux')  # crbug.com/418577
  34   def testLoadWithNoSelector(self):
  35     """With no selector the first media element is loaded."""
  36     action = LoadMediaAction(timeout_in_seconds=5)
  37     action.WillRunAction(self._tab)
  38     action.RunAction(self._tab)
  39     self.assertTrue(self.eventFired('#video_1', 'canplaythrough'))
  40     self.assertFalse(self.eventFired('#audio_1', 'canplaythrough'))
  41
  42   @decorators.Disabled('linux')  # crbug.com/418577
  43   def testLoadWithSelector(self):
  44     """Only the element matching the selector is loaded."""
  45     action = LoadMediaAction(selector='#audio_1', timeout_in_seconds=5)
  46     action.WillRunAction(self._tab)
  47     action.RunAction(self._tab)
  48     self.assertFalse(self.eventFired('#video_1', 'canplaythrough'))
  49     self.assertTrue(self.eventFired('#audio_1', 'canplaythrough'))
  50
  51   @decorators.Disabled('linux')  # crbug.com/418577
  52   def testLoadWithAllSelector(self):
  53     """Both elements are loaded with selector='all'."""
  54     action = LoadMediaAction(selector='all', timeout_in_seconds=5)
  55     action.WillRunAction(self._tab)
  56     action.RunAction(self._tab)
  57     self.assertTrue(self.eventFired('#video_1', 'canplaythrough'))
  58     self.assertTrue(self.eventFired('#audio_1', 'canplaythrough'))
  59
  60   @decorators.Disabled('linux')  # crbug.com/418577
  61   def testLoadRaisesAnExceptionOnTimeout(self):
  62     """The load action times out if the event does not fire."""
  63     action = LoadMediaAction(selector='#video_1', timeout_in_seconds=0.1,
  64                              event_to_await='a_nonexistent_event')
  65     action.WillRunAction(self._tab)
  66     self.assertRaises(py_utils.TimeoutException, action.RunAction, self._tab)