Home | History | Annotate | Download | only in video_WebRtcMediaRecorder 
      1 # Copyright 2015 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 import os
      7 
      8 from autotest_lib.client.bin import test
      9 from autotest_lib.client.bin import utils
     10 from autotest_lib.client.common_lib import error
     11 from autotest_lib.client.common_lib.cros import chrome
     12 from autotest_lib.client.cros.video import helper_logger
     13 
     14 EXTRA_BROWSER_ARGS = ['--use-fake-ui-for-media-stream',
     15                       '--use-fake-device-for-media-stream',
     16                       '--enable-experimental-web-platform-features']
     17 
     18 # Statistics from the loopback.html page.
     19 TEST_PROGRESS = 'testProgress'
     20 
     21 # Polling timeout
     22 TIMEOUT = 90
     23 
     24 
     25 class video_WebRtcMediaRecorder(test.test):
     26     """WebRTC Media Recorder test."""
     27     version = 1
     28 
     29 
     30     def launch_recorder_test(self, test_name):
     31         """Launch a recorder test.
     32 
     33         @param test_name: Name of test to run.
     34         """
     35         with chrome.Chrome(extra_browser_args=EXTRA_BROWSER_ARGS +\
     36                            [helper_logger.chrome_vmodule_flag()],
     37                            init_network_controller=True) as cr:
     38             cr.browser.platform.SetHTTPServerDirectories(self.bindir)
     39             self.tab = cr.browser.tabs[0]
     40             self.tab.Navigate(cr.browser.platform.http_server.UrlOf(
     41                     os.path.join(self.bindir, 'loopback_mediarecorder.html')))
     42             self.tab.WaitForDocumentReadyStateToBeComplete()
     43             self.tab.EvaluateJavaScript(test_name + "();")
     44             if not self.is_test_completed():
     45                 logging.error('%s did not complete', test_name)
     46                 raise error.TestFail('Failed %s' %(test_name))
     47             try:
     48                 result = self.tab.EvaluateJavaScript('result;')
     49             except:
     50                 logging.error('Cannot retrieve results from javascript')
     51                 raise error.TestFail('Failed %s' %(test_name))
     52             if result != 'PASS':
     53                 raise error.TestFail('Failed %s, got %s' %(test_name,
     54                         result))
     55 
     56 
     57     def is_test_completed(self):
     58         """Checks if WebRTC MediaRecorder test is done.
     59 
     60         @returns True if test complete, False otherwise.
     61 
     62         """
     63         def test_done():
     64             """Check the testProgress variable in HTML page."""
     65 
     66             # Wait for test completion on web page.
     67             test_progress = self.tab.EvaluateJavaScript(TEST_PROGRESS)
     68             return test_progress == 1
     69 
     70         try:
     71             utils.poll_for_condition(
     72                     test_done, timeout=TIMEOUT,
     73                     exception=error.TestError('Cannot find testProgress.'),
     74                     sleep_interval=1)
     75         except error.TestError:
     76             return False
     77         else:
     78             return True
     79 
     80 
     81     @helper_logger.video_log_wrapper
     82     def run_once(self):
     83         """Runs the video_WebRtcMediaRecorder test."""
     84         self.launch_recorder_test('testStartAndRecorderState')
     85         self.launch_recorder_test('testStartStopAndRecorderState')
     86         self.launch_recorder_test('testStartAndDataAvailable')
     87         self.launch_recorder_test('testStartWithTimeSlice')
     88         self.launch_recorder_test('testResumeAndRecorderState')
     89         self.launch_recorder_test('testIllegalResumeThrowsDOMError')
     90         self.launch_recorder_test('testResumeAndDataAvailable')
     91         self.launch_recorder_test('testPauseAndRecorderState')
     92         self.launch_recorder_test('testPauseStopAndRecorderState')
     93         self.launch_recorder_test(
     94                 'testPausePreventsDataavailableFromBeingFired')
     95         self.launch_recorder_test('testIllegalPauseThrowsDOMError')
     96         self.launch_recorder_test('testIllegalStopThrowsDOMError')
     97         self.launch_recorder_test(
     98                 'testIllegalStartInRecordingStateThrowsDOMError')
     99         self.launch_recorder_test(
    100                 'testIllegalStartInPausedStateThrowsDOMError')
    101         self.launch_recorder_test('testTwoChannelAudio')
    102         self.launch_recorder_test('testIllegalRequestDataThrowsDOMError')
    103         self.launch_recorder_test('testAddingTrackToMediaStreamFiresErrorEvent')
    104         self.launch_recorder_test(
    105                 'testRemovingTrackFromMediaStreamFiresErrorEvent')
    106