src/chrome/test/data/extensions/platform_apps/web_view/speech_recognition_api/embedder.js

   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 var LOG = function(msg) {
   6   window.console.log(msg);
   7 };
   8
   9 var speechTests = {};
  10
  11 speechTests.testHelper_ = function(expectSpeech, allowRequest) {
  12   var webview = document.createElement('webview');
  13   var permissionRequested = false;
  14
  15   webview.addEventListener('loadstop', function(e) {
  16     LOG('loadstop');
  17     webview.executeScript(
  18         {file: 'guest.js'},
  19         function(results) {
  20           LOG('done executeScript');
  21           if (!results || !results.length) {
  22             LOG('Error injecting JavaScript to guest');
  23             chrome.test.fail();
  24             return;
  25           }
  26           // Send message to establish channel.
  27           webview.contentWindow.postMessage(
  28               JSON.stringify(['create-channel']), '*');
  29           LOG('done postMessage');
  30         });
  31   });
  32   webview.addEventListener('permissionrequest', function(e) {
  33     permissionRequested = true;
  34     chrome.test.assertEq('media', e.permission);
  35     LOG('allowRequest?: ' + allowRequest);
  36     if (allowRequest) {
  37       // Note that since we mock speech, this path actually doesn't get
  38       // exercised because FakeSpeechRecognitionManager just sends down
  39       // the response without checking for permission.
  40       // TODO(lazyboy): Make FakeSpeechRecognitionManager better to address
  41       // this issue.
  42       e.request.allow();
  43     } else {
  44       e.request.deny();
  45     }
  46   });
  47
  48   webview.addEventListener('consolemessage', function(e) {
  49     LOG('[guest]: ' + e.message + ', line: ' + e.line);
  50   });
  51
  52   var onPostMessageReceived = function(e) {
  53     var data = JSON.parse(e.data);
  54     LOG('embedder.onPostMessageReceived: ' + data[0]);
  55
  56     if (data[0] != 'recognition') {
  57       chrome.test.fail();
  58       return;
  59     }
  60
  61     LOG('embedder.onPostMessageReceived.status: ' + data[1]);
  62     switch (data[1]) {
  63       case 'onerror':
  64         if (!expectSpeech) {
  65           // Won't happen, see TODO above.
  66           //chrome.test.assertTrue(permissionRequested);
  67           chrome.test.succeed();
  68         } else {
  69           chrome.test.assertTrue(permissionRequested);
  70           chrome.test.fail();
  71         }
  72         break;
  73       case 'onresult':
  74         if (expectSpeech) {
  75           var transcript = data[2];
  76           chrome.test.assertEq('Pictures of the moon', transcript);
  77           chrome.test.succeed();
  78         } else {
  79           chrome.test.fail();
  80         }
  81         break;
  82       case 'onstart':
  83         if (expectSpeech) {
  84           chrome.test.succeed();
  85         } else {
  86           chrome.test.fail();
  87         }
  88         break;
  89       default:
  90         chrome.test.fail();  // Unknown.
  91         break;
  92     }
  93   };
  94   window.addEventListener('message', onPostMessageReceived);
  95
  96   webview.setAttribute('src', 'about:blank');
  97   document.body.appendChild(webview);
  98 };
  99
 100 speechTests.denyTest = function() {
 101   LOG('speechTests.denyTest');
 102   speechTests.testHelper_(false /* expectSpeech */, false /* allowRequest */);
 103 };
 104
 105 speechTests.allowTest = function() {
 106   LOG('speechTests.allowTest');
 107   speechTests.testHelper_(true /* expectSpeech */, true /* allowRequest */);
 108 };
 109
 110 window.onload = function() {
 111   chrome.test.getConfig(function(config) {
 112     var testsToRun = [];
 113     switch (config.customArg) {
 114       case 'allowTest':
 115         testsToRun.push(speechTests.allowTest);
 116         break;
 117       case 'denyTest':
 118         testsToRun.push(speechTests.denyTest);
 119         break;
 120       default:
 121         chrome.test.fail();
 122         break;
 123     }
 124     chrome.test.runTests(testsToRun);
 125   });
 126 };