Home | History | Annotate | Download | only in video_VideoSeek 
      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 fnmatch
      6 import logging
      7 import os
      8 
      9 from autotest_lib.client.bin import test, 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 WAIT_TIMEOUT_S = 180
     15 
     16 class video_VideoSeek(test.test):
     17     """This test verifies video seek works in Chrome."""
     18     version = 1
     19 
     20     def is_skipping_test(self, codec, is_switchres):
     21         """Determine whether this test should skip.
     22 
     23         @param codec: the codec to be tested, ex. 'vp8', 'vp9', 'h264'.
     24         @param is_switchres: bool, True if using switch resolution video.
     25         """
     26         blacklist = [
     27                 # (board, codec, is_switchres); None if don't care.
     28 
     29                 # "board" supports Unix shell-type wildcards
     30 
     31                 # Disable vp8 switchres for nyan devices temporarily due to:
     32                 # crbug/699260
     33                 ('nyan', 'vp8', True), ('nyan_*', 'vp8', True)
     34         ]
     35 
     36         board = utils.get_current_board()
     37 
     38         for entry in blacklist:
     39             if ((entry[0] is None or fnmatch.fnmatch(board, entry[0])) and
     40                 (entry[1] is None or codec == entry[1]) and
     41                 (entry[2] is None or is_switchres == entry[2])):
     42                 return True
     43 
     44         return False
     45 
     46 
     47     @helper_logger.video_log_wrapper
     48     def run_once(self, codec, is_switchres, video):
     49         """Tests whether video seek works by random seeks forward and backward.
     50 
     51         @param codec: the codec to be tested, ex. 'vp8', 'vp9', 'h264'.
     52         @param is_switchres: bool, True if using switch resolution video.
     53         @param video: Sample video file to be seeked in Chrome.
     54         """
     55         if self.is_skipping_test(codec, is_switchres):
     56             logging.info('Skipping test run on this board.')
     57             return  # return immediately to pass this test
     58 
     59         with chrome.Chrome(
     60                 extra_browser_args=helper_logger.chrome_vmodule_flag(),
     61                 init_network_controller=True) as cr:
     62             cr.browser.platform.SetHTTPServerDirectories(self.bindir)
     63             tab = cr.browser.tabs[0]
     64             tab.Navigate(cr.browser.platform.http_server.UrlOf(
     65                     os.path.join(self.bindir, 'video.html')))
     66             tab.WaitForDocumentReadyStateToBeComplete()
     67 
     68             tab.EvaluateJavaScript('loadSourceAndRunSeekTest("%s")' % video)
     69 
     70             def get_seek_test_status():
     71                 seek_test_status = tab.EvaluateJavaScript('getSeekTestStatus()')
     72                 logging.info('Seeking: %s', seek_test_status)
     73                 return seek_test_status
     74 
     75             utils.poll_for_condition(
     76                     lambda: get_seek_test_status() == 'pass',
     77                     exception=error.TestError('Seek test is stuck and timeout'),
     78                     timeout=WAIT_TIMEOUT_S,
     79                     sleep_interval=1)
     80