1 // Copyright (c) 2012 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 // webpagereplay/start.js - Start Web Page Replay (WPR) test. 6 // 7 // This script is included by webpagereplay/start.html. 8 // The query parameter "test=TEST_NAME" is required to load the 9 // test configuration from webpagereplay/tests/TEST_NAME.js 10 // That JavaScript file defines a global, "pageSets", as a list of lists: 11 // [ [url_1, url_2], [url_3], ...], 12 // - Before each sublist: 13 // Run chrome.browingData.remove and close the connections. 14 // - Before each url in a sublist: 15 // Close the connections. 16 // 17 // These WPR tests use a Chrome extension to load the test URLs. 18 // The extension loads the test configuration via a DOM elemment 19 // (id=json). This script sets the content of that DOM element. 20 // 21 // The test runs immediately after being loaded. 22 // 23 24 25 var options = location.search.substring(1).split('&'); 26 function getopt(name) { 27 var r = new RegExp('^' + name + '='); 28 for (i = 0; i < options.length; ++i) { 29 if (options[i].match(r)) { 30 return options[i].substring(name.length + 1); 31 } 32 } 33 return null; 34 } 35 36 function LoadTestConfigurationScript(testUrl, callback) { 37 var testjs = document.createElement('script'); 38 testjs.type = 'text/javascript'; 39 testjs.async = true; 40 testjs.src = testUrl 41 var s = document.getElementsByTagName('script')[0]; 42 testjs.addEventListener('load', callback, false); 43 s.parentNode.insertBefore(testjs, s); 44 } 45 46 function ReloadIfStuck() { 47 setTimeout(function() { 48 var status = document.getElementById('status'); 49 // The status text is set to 'STARTING' by the extension. 50 if (status.textContent != 'STARTING') { 51 console.log('Benchmark stuck? Reloading.'); 52 window.location.reload(true); 53 } 54 }, 30000); 55 } 56 57 function RenderForm() { 58 var form = document.createElement('FORM'); 59 form.setAttribute('action', 'start.html'); 60 61 var label = document.createTextNode('Iterations: '); 62 form.appendChild(label); 63 64 var input = document.createElement('INPUT'); 65 var iterations = getopt('iterations'); 66 input.setAttribute('name', 'iterations'); 67 input.setAttribute('value', iterations ? iterations : '5'); 68 form.appendChild(input); 69 70 form.appendChild(document.createElement('P')); 71 72 var label = document.createTextNode('Test: '); 73 form.appendChild(label); 74 75 var input = document.createElement('INPUT'); 76 input.setAttribute('name', 'test'); 77 var test = getopt('test'); 78 input.setAttribute('value', test ? test : ''); 79 form.appendChild(input); 80 81 var input = document.createElement('INPUT'); 82 input.setAttribute('name', 'auto'); 83 var auto = getopt('auto'); 84 input.setAttribute('value', 1); 85 input.setAttribute('type', 'hidden'); 86 form.appendChild(input); 87 88 form.appendChild(document.createElement('P')); 89 90 input = document.createElement('INPUT'); 91 input.setAttribute('type', 'submit'); 92 input.setAttribute('value', 'Start'); 93 form.appendChild(input); 94 95 document.getElementById('startform').appendChild(form); 96 } 97 98 99 var iterations = getopt('iterations'); 100 var test_name = getopt('test'); 101 var is_auto_start = getopt('auto'); 102 103 RenderForm(); 104 if (test_name) { 105 var testUrl = 'tests/' + test_name + '.js'; 106 LoadTestConfigurationScript(testUrl, function() { 107 var testConfig = {}; 108 if (iterations) { 109 testConfig['iterations'] = iterations; 110 } 111 // The pageSets global is set by test configuration script. 112 testConfig['pageSets'] = pageSets; 113 114 if (is_auto_start) { 115 testConfig['shouldStart'] = 1; 116 ReloadIfStuck(); 117 } 118 // Write testConfig to "json" DOM element for the Chrome extension. 119 document.getElementById('json').textContent = JSON.stringify(testConfig); 120 }); 121 } else { 122 console.log('Need "test=TEST_NAME" query parameter.'); 123 } 124
