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1# Copyright (c) 2014 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
5import os, time
6
7
8from autotest_lib.client.bin import test, utils
9from autotest_lib.client.common_lib import error
10from autotest_lib.client.common_lib.cros import chrome
11from autotest_lib.client.cros.video import youtube_helper
12
13
14FLASH_PROCESS_NAME = 'chrome/chrome --type=ppapi'
15PLAYER_PLAYING_STATE = 'Playing'
16PLAYBACK_TEST_TIME_S = 10
17
18
19class video_MultiplePlayback(test.test):
20    """This test verify simultaneous video playback.
21    We are testing using Youtube html5, flash and a local video.
22
23    """
24    version = 1
25
26
27    def verify_localvideo_playback(self, tab1):
28        """To verify local video playback
29
30        @param tab1: browser tab.
31        """
32
33        playback = 0 # seconds
34        prev_playback = 0
35        while (int(tab1.EvaluateJavaScript('testvideo.currentTime'))
36               < int(tab1.EvaluateJavaScript('testvideo.duration'))
37               and playback < PLAYBACK_TEST_TIME_S):
38            if (int(tab1.EvaluateJavaScript('testvideo.currentTime'))
39                    <= prev_playback):
40                raise error.TestError('Video is not playing.')
41            prev_playback = int(tab1.EvaluateJavaScript(
42                    'testvideo.currentTime'))
43            time.sleep(1)
44            playback = playback + 1
45
46
47    def run_video_tests(self, browser):
48        """Play youtube html5, flash and a loca video, and verify the playback.
49
50        @param browser: The Browser object to run the test with.
51
52        """
53        browser.platform.SetHTTPServerDirectories(self.bindir)
54        tab1 = browser.tabs.New()
55        # Verifying <video> support.
56        tab1.Navigate(browser.platform.http_server.UrlOf(
57                os.path.join(self.bindir, 'video.html')))
58
59        # Waiting for test video to load.
60        tab1.WaitForJavaScriptExpression('testvideo.currentTime < 1.0', 5)
61
62        tab2 = browser.tabs.New()
63        tab2.Navigate(browser.platform.http_server.UrlOf(
64                os.path.join(self.bindir, 'youtube5.html')))
65        yh = youtube_helper.YouTubeHelper(tab2)
66        # Waiting for test video to load.
67        yh.wait_for_player_state(PLAYER_PLAYING_STATE)
68        yh.set_video_duration()
69        # Verify that YouTube is running in html5 mode.
70        prc = utils.get_process_list('chrome', '--type=ppapi')
71        if prc:
72            raise error.TestFail('Tab2: Running YouTube in Flash mode.')
73
74        tab3 = browser.tabs.New()
75        tab3.Navigate(browser.platform.http_server.UrlOf(
76                os.path.join(self.bindir, 'youtube.html')))
77        yh1 = youtube_helper.YouTubeHelper(tab3)
78        # Waiting for test video to load.
79        yh1.wait_for_player_state(PLAYER_PLAYING_STATE)
80        yh1.set_video_duration()
81        # Verify that YouTube is running in html5 mode.
82        prc1 = utils.get_process_list('chrome', '--type=ppapi')
83        if not prc1:
84            raise error.TestFail('Tab3: No flash process is Running .')
85
86        # Verifying video playback.
87        self.verify_localvideo_playback(tab1)
88        yh.verify_video_playback()
89        yh1.verify_video_playback()
90
91
92    def run_once(self):
93        # TODO(scottz): Remove this when crbug.com/220147 is fixed.
94        dut_board = utils.get_current_board()
95        if dut_board == 'x86-mario':
96           raise error.TestNAError('This test is not available on %s' %
97                                    dut_board)
98        with chrome.Chrome() as cr:
99            self.run_video_tests(cr.browser)
100