chrome/browser/resources/chromeos/chromevox/testing/chromevox_e2e_test_base.js

   1 // Copyright 2014 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 GEN_INCLUDE([
   6     'common.js',
   7     'callback_helper.js']);
   8
   9 /**
  10  * Base test fixture for ChromeVox end to end tests.
  11  *
  12  * These tests run against production ChromeVox inside of the extension's
  13  * background page context.
  14  * @constructor
  15  */
  16 function ChromeVoxE2ETest() {
  17   this.callbackHelper_ = new CallbackHelper(this);
  18 }
  19
  20 ChromeVoxE2ETest.prototype = {
  21   __proto__: testing.Test.prototype,
  22
  23   /**
  24    * @override
  25    * No UI in the background context.
  26    */
  27   runAccessibilityChecks: false,
  28
  29   /** @override */
  30   isAsync: true,
  31
  32   /** @override */
  33   browsePreload: null,
  34
  35   /** @override */
  36   testGenCppIncludes: function() {
  37     GEN_BLOCK(function() {/*!
  38 #include "ash/accessibility_delegate.h"
  39 #include "base/bind.h"
  40 #include "base/callback.h"
  41 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  42 #include "chrome/common/extensions/extension_constants.h"
  43     */});
  44   },
  45
  46   /** @override */
  47   testGenPreamble: function() {
  48     GEN_BLOCK(function() {/*!
  49   base::Closure load_cb =
  50       base::Bind(&chromeos::AccessibilityManager::EnableSpokenFeedback,
  51           base::Unretained(chromeos::AccessibilityManager::Get()),
  52           true,
  53           ui::A11Y_NOTIFICATION_NONE);
  54   WaitForExtension(extension_misc::kChromeVoxExtensionId, load_cb);
  55     */});
  56   },
  57
  58   /**
  59    * Launch a new tab, wait until tab status complete, then run callback.
  60    * @param {function() : void} doc Snippet wrapped inside of a function.
  61    * @param {function()} callback Called once the document is ready.
  62    */
  63   runWithLoadedTab: function(doc, callback) {
  64     this.launchNewTabWithDoc(doc, function(tab) {
  65       chrome.tabs.onUpdated.addListener(function(tabId, changeInfo) {
  66         if (tabId == tab.id && changeInfo.status == 'complete') {
  67           callback(tabId);
  68         }
  69       });
  70     });
  71   },
  72
  73   /**
  74    * Launches the given document in a new tab.
  75    * @param {function() : void} doc Snippet wrapped inside of a function.
  76    * @param {function()} opt_callback Called once the document is created.
  77    */
  78   runWithTab: function(doc, opt_callback) {
  79     var docString = TestUtils.extractHtmlFromCommentEncodedString(doc);
  80     var url = 'data:text/html,<!doctype html>' +
  81         docString +
  82         '<!-- chromevox_next_test -->';
  83     var createParams = {
  84       active: true,
  85       url: url
  86     };
  87     chrome.tabs.create(createParams, opt_callback);
  88   },
  89
  90   /**
  91    * Send a key to the page.
  92    * @param {number} tabId Of the page.
  93    * @param {string} key Name of the key (e.g. Down).
  94    * @param {string} elementQueryString
  95    */
  96   sendKeyToElement: function(tabId, key, elementQueryString) {
  97     var code = TestUtils.extractHtmlFromCommentEncodedString(function() {/*!
  98       var target = document.body.querySelector('$1');
  99       target.focus();
 100       var evt = document.createEvent('KeyboardEvent');
 101       evt.initKeyboardEvent('keydown', true, true, window, '$0', 0, false,
 102           false, false, false);
 103       document.activeElement.dispatchEvent(evt);
 104     */}, [key, elementQueryString]);
 105
 106     chrome.tabs.executeScript(tabId, {code: code});
 107   },
 108
 109   /**
 110    * Creates a callback that optionally calls {@code opt_callback} when
 111    * called.  If this method is called one or more times, then
 112    * {@code testDone()} will be called when all callbacks have been called.
 113    * @param {Function=} opt_callback Wrapped callback that will have its this
 114    *        reference bound to the test fixture.
 115    * @return {Function}
 116    */
 117   newCallback: function(opt_callback) {
 118     return this.callbackHelper_.wrap(opt_callback);
 119   }
 120 };