Add slow test decorator

tools/chrome_proxy/webdriver/video.py

 # Copyright 2017 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 time
 
 import common
 from common import TestDriver
 from common import IntegrationTest
 from decorators import NotAndroid
+from decorators import Slow
 
 
 class Video(IntegrationTest):
 
   # Check videos are proxied.
   def testCheckVideoHasViaHeader(self):
     with TestDriver() as t:
       t.AddChromeArg('--enable-spdy-proxy-auth')
       t.LoadURL(
         'http://check.googlezip.net/cacheable/video/buck_bunny_tiny.html')
@@ skipping 19 matching lines @@
       for response in t.GetHTTPResponses():
         if 'video' in response.response_headers['content-type']:
           self.assertNotHasChromeProxyViaHeader(response)
           saw_video_response = True
         else:
           self.assertHasChromeProxyViaHeader(response)
       self.assertTrue(saw_video_response, 'No video request seen in test!')
 
   # Check the compressed video has the same frame count, width, height, and
   # duration as uncompressed.
+  @Slow
   @NotAndroid
   def testVideoMetrics(self):
     expected = {
       'duration': 3.124,
       'webkitDecodedFrameCount': 54.0,
       'videoWidth': 1280.0,
       'videoHeight': 720.0
     }
     with TestDriver() as t:
       t.AddChromeArg('--enable-spdy-proxy-auth')
@@ skipping 12 matching lines @@
       # Check each metric against its expected value.
       for metric in expected:
         actual = float(t.ExecuteJavascriptStatement(
           'document.querySelectorAll("video")[0].%s' % metric))
         self.assertAlmostEqual(expected[metric], actual, msg="Compressed video "
           "metric doesn't match expected! Metric=%s Expected=%f Actual=%f"
           % (metric, expected[metric], actual), places=None, delta=0.001)
 
   # Check the frames of a compressed video.
   @NotAndroid
+  @Slow
   def testVideoFrames(self):
     self.instrumentedVideoTest('http://check.googlezip.net/cacheable/video/buck_bunny_640x360_24fps_video.html')
 
   # Check the audio volume of a compressed video.
   @NotAndroid
+  @Slow
   def testVideoAudio(self):
     self.instrumentedVideoTest('http://check.googlezip.net/cacheable/video/buck_bunny_640x360_24fps_audio.html')
 
   def instrumentedVideoTest(self, url):
     """Run an instrumented video test. The given page is reloaded up to some
     maximum number of times until a compressed video is seen by ChromeDriver by
     inspecting the network logs. Once that happens, test.ready is set and that
     will signal the Javascript test on the page to begin. Once it is complete,
     check the results.
     """
@@ skipping 33 matching lines @@
       t.AddChromeArg('--enable-spdy-proxy-auth')
       t.LoadURL('http://data-saver-test.appspot.com/youtube')
       t.WaitForJavascriptExpression(
         'window.playerState == YT.PlayerState.PLAYING', 30)
       for response in t.GetHTTPResponses():
         if not response.url.startswith('https'):
           self.assertHasChromeProxyViaHeader(response)
 
 if __name__ == '__main__':
   IntegrationTest.RunAllTests()