example.js revision 4e180b6a0b4720a9b8e9e959a882386f690f08ff 
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// Called by the common.js module.
5
6function moduleDidLoad() {
7  // The module is not hidden by default so we can easily see if the plugin
8  // failed to load.
9  common.hideModule();
10}
11
12var currentTestEl = null;
13
14function startCommand(testName) {
15  var testListEl = document.getElementById('tests');
16  var testEl = document.createElement('li');
17  var testRowEl = document.createElement('div');
18  var testNameEl = document.createElement('span');
19  var testResultEl = document.createElement('span');
20  testRowEl.classList.add('row');
21  testNameEl.classList.add('name');
22  testNameEl.textContent = testName;
23  testResultEl.classList.add('result');
24  testRowEl.appendChild(testNameEl);
25  testRowEl.appendChild(testResultEl);
26  testEl.appendChild(testRowEl);
27  testListEl.appendChild(testEl);
28
29  currentTestEl = testEl;
30}
31
32function failCommand(fileName, lineNumber, summary) {
33  var testMessageEl = document.createElement('pre');
34  testMessageEl.textContent += fileName + ':' + lineNumber + ': ' + summary;
35  currentTestEl.appendChild(testMessageEl);
36}
37
38function endCommand(testName, testResult) {
39  var testRowEl = currentTestEl.querySelector('.row');
40  var testResultEl = currentTestEl.querySelector('.result');
41  testRowEl.classList.add(testResult);
42  testResultEl.textContent = testResult;
43}
44
45function handleMessage(event) {
46  var msg = event.data;
47  var firstColon = msg.indexOf(':');
48  var cmd = msg.substr(0, firstColon);
49  var cmdFunctionName = cmd + 'Command';
50  var cmdFunction = window[cmdFunctionName];
51
52  if (typeof(cmdFunction) !== 'function') {
53    console.log('Unknown command: ' + cmd);
54    console.log('  message: ' + msg);
55    return;
56  }
57
58  var argCount = cmdFunction.length;
59
60  // Don't use split, because it will split all commas (for example any commas
61  // in the test failure summary).
62  var argList = msg.substr(firstColon + 1);
63  args = [];
64  for (var i = 0; i < argCount - 1; ++i) {
65    var arg;
66    var comma = argList.indexOf(',');
67    if (comma === -1) {
68      if (i !== argCount - 1) {
69        console.log('Bad arg count to command "' + cmd + '", expected ' +
70                    argCount);
71        console.log('  message: ' + msg);
72      } else {
73        arg = argList;
74      }
75    } else {
76      arg = argList.substr(0, comma);
77      argList = argList.substr(comma + 1);
78    }
79    args.push(arg);
80  }
81
82  // Last argument is the rest of the message.
83  args.push(argList);
84
85  cmdFunction.apply(null, args);
86}
87