15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#!/usr/bin/env python 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# Copyright (c) 2012 The Chromium Authors. All rights reserved. 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# Use of this source code is governed by a BSD-style license that can be 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# found in the LICENSE file. 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import logging 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import os 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import pyauto_functional # Must be imported before pyauto 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import pyauto 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class GpuTest(pyauto.PyUITest): 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) """GPU Tests Runner.""" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) def _GetGpuPID(self): 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) """Fetch the pid of the GPU process.""" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) child_processes = self.GetBrowserInfo()['child_processes'] 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for x in child_processes: 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if x['type'] == 'GPU': 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return x['pid'] 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return None 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) def _IsHardwareAccelerated(self, feature): 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) """Check if gpu is enabled in the machine before running any tests.""" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.NavigateToURL('about:gpu') 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) def IsFeatureStatusLoaded(): 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) """Returns whether the feature status UI has been loaded. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) The about:gpu page fetches status for features asynchronously, so use 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) this to check if the fetch is done. 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) """ 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) js = """ 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) var list = document.querySelector(".feature-status-list"); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) domAutomationController.send(list.hasChildNodes() ? "done" : ""); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) """ 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return self.ExecuteJavascript(js) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.assertTrue(self.WaitUntil(IsFeatureStatusLoaded, 10)) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) search = feature + ': Hardware accelerated' 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) find_result = self.FindInPage(search)['match_count'] 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if find_result: 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) # about:gpu page starts a gpu process. Restart the browser to clear 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) # the state. We could kill the gpu process, but navigating to a page 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) # after killing the gpu can lead to flakiness. 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) # See crbug.com/93423. 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.RestartBrowser() 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return True 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else: 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) logging.warn('Hardware acceleration not available') 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return False 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) def _VerifyGPUProcessOnPage(self, url): 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) url = self.GetFileURLForDataPath('pyauto_private', 'gpu', url) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.NavigateToURL(url) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.assertTrue(self.WaitUntil( 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) lambda: self._GetGpuPID() is not None), msg='No process for GPU') 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) def testSingleGpuProcess(self): 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) """Verify there's only one gpu process shared across all uses.""" 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.assertTrue(self._IsHardwareAccelerated('WebGL')) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) url = self.GetFileURLForDataPath('pyauto_private', 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 'gpu', 'WebGLField.html') 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.AppendTab(pyauto.GURL(url)) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) # Open a new window. 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.OpenNewBrowserWindow(True) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.NavigateToURL(url, 1, 0) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) # Open a new incognito window. 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.RunCommand(pyauto.IDC_NEW_INCOGNITO_WINDOW) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.NavigateToURL(url, 1, 0) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) # Verify there's only 1 gpu process. 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gpu_process_count = 0 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for x in self.GetBrowserInfo()['child_processes']: 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if x['type'] == 'GPU': 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gpu_process_count += 1 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) self.assertEqual(1, gpu_process_count) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)if __name__ == '__main__': 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pyauto_functional.Main() 80