Added a new test which aims to be really, really mean to WebRTC. Hopefully this will cover some cra…

chrome/test/functional/webrtc_call.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 os
 import subprocess
 
 import pyauto_functional
 import pyauto
 import webrtc_test_base
 
+
 class MissingRequiredBinaryException(Exception):
   pass
 
 
-class WebRTCCallTest(webrtc_test_base.WebrtcTestBase):
+class WebrtcCallTest(webrtc_test_base.WebrtcTestBase):
   """Test we can set up a WebRTC call and disconnect it.
 
   Prerequisites: This test case must run on a machine with a webcam, either
   fake or real, and with some kind of audio device. You must make the
   peerconnection_server target before you run.
 
   The test case will launch a custom binary
   (peerconnection_server) which will allow two WebRTC clients to find each
   other. For more details, see the source code which is available at the site
   http://code.google.com/p/libjingle/source/browse/ (make sure to browse to
@@ skipping 46 matching lines @@
     one tab to call the other.
 
     We make sure that the javascript tells us that the call succeeded, lets it
     run for a while and try to hang up the call after that. We verify video is
     playing by using the video detector.
     """
     url = self.GetFileURLForDataPath('webrtc', test_page)
     self.NavigateToURL(url)
     self.AppendTab(pyauto.GURL(url))
 
-    self.assertEquals('ok-got-stream', self._GetUserMedia(tab_index=0))
-    self.assertEquals('ok-got-stream', self._GetUserMedia(tab_index=1))
+    self.assertEquals('ok-got-stream', self.GetUserMedia(tab_index=0))
+    self.assertEquals('ok-got-stream', self.GetUserMedia(tab_index=1))
     self._Connect('user_1', tab_index=0)
     self._Connect('user_2', tab_index=1)
 
     self._EstablishCall(from_tab_with_index=0)
 
     self._StartDetectingVideo(tab_index=0, video_element='remote_view')
 
     self._WaitForVideoToPlay()
 
     # The hang-up will automatically propagate to the second tab.
     self._HangUp(from_tab_with_index=0)
     self._VerifyHungUp(tab_index=1)
 
     self._Disconnect(tab_index=0)
     self._Disconnect(tab_index=1)
 
     # Ensure we didn't miss any errors.
-    self._AssertNoFailures(tab_index=0)
-    self._AssertNoFailures(tab_index=1)
+    self.AssertNoFailures(tab_index=0)
+    self.AssertNoFailures(tab_index=1)
 
   def testSimpleWebRtcJsepCall(self):
     self._SimpleWebRtcCall('webrtc_jsep_test.html')
 
   def testLocalPreview(self):
     """Brings up a local preview and ensures video is playing.
 
     This test will launch a window with a single tab and run a getUserMedia call
     which will give us access to the webcam and microphone. Then the javascript
     code will hook up the webcam data to the local_view video tag. We will
     detect video in that tag using the video detector, and if we see video
     moving the test passes.
     """
     url = self.GetFileURLForDataPath('webrtc', 'webrtc_jsep_test.html')
     self.NavigateToURL(url)
-    self.assertEquals('ok-got-stream', self._GetUserMedia(tab_index=0))
+    self.assertEquals('ok-got-stream', self.GetUserMedia(tab_index=0))
     self._StartDetectingVideo(tab_index=0, video_element='local_view')
 
     self._WaitForVideoToPlay()
 
   def testHandlesNewGetUserMediaRequestSeparately(self):
     """Ensures WebRTC doesn't allow new requests to piggy-back on old ones."""
     url = self.GetFileURLForDataPath('webrtc', 'webrtc_jsep_test.html')
     self.NavigateToURL(url)
     self.AppendTab(pyauto.GURL(url))
 
-    self._GetUserMedia(tab_index=0)
-    self._GetUserMedia(tab_index=1)
+    self.GetUserMedia(tab_index=0)
+    self.GetUserMedia(tab_index=1)
     self._Connect("user_1", tab_index=0)
     self._Connect("user_2", tab_index=1)
 
     self._EstablishCall(from_tab_with_index=0)
 
     self.assertEquals('failed-with-error-1',
-                      self._GetUserMedia(tab_index=0, action='deny'))
+                      self.GetUserMedia(tab_index=0, action='deny'))
     self.assertEquals('failed-with-error-1',
-                      self._GetUserMedia(tab_index=0, action='dismiss'))
-
-  def _GetUserMedia(self, tab_index, action='allow'):
-    """Acquires webcam or mic for one tab and returns the result."""
-    self.assertEquals('ok-requested', self.ExecuteJavascript(
-        'getUserMedia(true, true)', tab_index=tab_index))
-
-    self.WaitForInfobarCount(1, tab_index=tab_index)
-    self.PerformActionOnInfobar(action, infobar_index=0, tab_index=tab_index)
-    self.WaitForGetUserMediaResult(tab_index=0)
-
-    result = self.GetUserMediaResult(tab_index=0)
-    self._AssertNoFailures(tab_index)
-    return result
+                      self.GetUserMedia(tab_index=0, action='dismiss'))
 
   def _Connect(self, user_name, tab_index):
     self.assertEquals('ok-connected', self.ExecuteJavascript(
         'connect("http://localhost:8888", "%s")' % user_name,
         tab_index=tab_index))
-    self._AssertNoFailures(tab_index)
+    self.AssertNoFailures(tab_index)
 
   def _EstablishCall(self, from_tab_with_index):
     self.assertEquals('ok-call-established', self.ExecuteJavascript(
         'call()', tab_index=from_tab_with_index))
-    self._AssertNoFailures(from_tab_with_index)
+    self.AssertNoFailures(from_tab_with_index)
 
     # Double-check the call reached the other side.
     self.assertEquals('yes', self.ExecuteJavascript(
         'is_call_active()', tab_index=from_tab_with_index))
 
   def _HangUp(self, from_tab_with_index):
     self.assertEquals('ok-call-hung-up', self.ExecuteJavascript(
         'hangUp()', tab_index=from_tab_with_index))
     self._VerifyHungUp(from_tab_with_index)
-    self._AssertNoFailures(from_tab_with_index)
+    self.AssertNoFailures(from_tab_with_index)
 
   def _VerifyHungUp(self, tab_index):
     self.assertEquals('no', self.ExecuteJavascript(
         'is_call_active()', tab_index=tab_index))
 
   def _Disconnect(self, tab_index):
     self.assertEquals('ok-disconnected', self.ExecuteJavascript(
         'disconnect()', tab_index=tab_index))
 
   def _StartDetectingVideo(self, tab_index, video_element):
     self.assertEquals('ok-started', self.ExecuteJavascript(
         'startDetection("%s", "frame_buffer", 320, 240)' % video_element,
         tab_index=tab_index));
 
   def _WaitForVideoToPlay(self):
     video_playing = self.WaitUntil(
         function=lambda: self.ExecuteJavascript('isVideoPlaying()'),
         expect_retval='video-playing')
     self.assertTrue(video_playing,
                     msg='Timed out while trying to detect video.')
 
-  def _AssertNoFailures(self, tab_index):
-    self.assertEquals('ok-no-errors', self.ExecuteJavascript(
-        'getAnyTestFailures()', tab_index=tab_index))
-
 
 if __name__ == '__main__':
   pyauto_functional.Main()