1 # Copyright 2013 The Chromium 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 from measurements import startup 6 from metrics import startup_metric 7 8 class StartWithUrl(startup.Startup): 9 """Measures Chromium's startup performance when started with a URL 10 11 This test inherits support for the --warm or --cold command line options - 12 see startup.py for details. 13 """ 14 15 def __init__(self): 16 super(StartWithUrl, self).__init__() 17 self.close_tabs_before_run = False 18 19 20 def AddCommandLineOptions(self, parser): 21 super(StartWithUrl, self).AddCommandLineOptions(parser) 22 parser.add_option('--url', action='store', default=None, 23 help='Start with a request to open a specific URL') 24 25 def CustomizeBrowserOptions(self, options): 26 super(StartWithUrl, self).CustomizeBrowserOptions(options) 27 if options.url: 28 browser_options = options.browser_options 29 browser_options.startup_url = options.url 30 options.AppendExtraBrowserArgs([ 31 '--restore-last-session' 32 ]) 33 34 def CanRunForPage(self, page): 35 # No matter how many pages in the pageset, just perform one test iteration. 36 return page.page_set.pages.index(page) == 0 37 38 def RunNavigateSteps(self, page, tab): 39 # Overriden so that no page navigation occurs. 40 pass 41 42 def ValidatePageSet(self, page_set): 43 # Reject any pageset that contains more than one WPR archive. 44 wpr_archives = {} 45 for page in page_set: 46 wpr_archives[page_set.WprFilePathForPage(page)] = True 47 48 if len(wpr_archives.keys()) > 1: 49 raise Exception("Invalid pageset: more than 1 WPR archive found.: " + 50 ', '.join(wpr_archives.keys())) 51 52 def MeasurePage(self, page, tab, results): 53 # Wait for all tabs to finish loading. 54 for i in xrange(len(tab.browser.tabs)): 55 t = tab.browser.tabs[i] 56 t.WaitForDocumentReadyStateToBeComplete() 57 58 startup_metric.StartupMetric().AddResults(tab, results) 59 60
