chrome/browser/ui/webui/options/startup_page_list_browsertest.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 /**
   6  * Fixture for startup pages WebUI tests.
   7  * @extends {testing.Test}
   8  * @constructor
   9  */
  10 function StartupPageListWebUITest() {}
  11
  12 StartupPageListWebUITest.prototype = {
  13   __proto__: testing.Test.prototype,
  14
  15   /**
  16    * Browse to the options page & call our preLoad().
  17    * @override
  18    */
  19   browsePreload: 'chrome://settings-frame/startup',
  20
  21   /** @override */
  22   setUp: function() {
  23     StartupOverlay.updateStartupPages(this.fakeStartupList);
  24     // 1 item for entering data, 1+ from |this.fakeStartupList|.
  25     assertGE(this.getList().items.length, 2);
  26   },
  27
  28   /**
  29    * Returns the list to be tested.
  30    * @return {Element} The start-up pages list.
  31    * @protected
  32    */
  33   getList: function() {
  34     return $('startupPagesList');
  35   },
  36
  37   /**
  38    * Register a mock handler to ensure expectations are met and options pages
  39    * behave correctly.
  40    * @override
  41    */
  42   preLoad: function() {
  43     this.makeAndRegisterMockHandler(['addStartupPage',
  44                                      'dragDropStartupPage']);
  45   },
  46
  47   /**
  48    * A fake list of startup pages to send to the overlay.
  49    * @protected
  50    */
  51   fakeStartupList: [
  52     {
  53       title: 'Yahoo!',
  54       url: 'http://yahoo.com',
  55       tooltip: 'Yahoo! homepage',
  56       modelIndex: 0
  57     },
  58     {
  59       title: 'Facebook',
  60       url: 'http://facebook.com',
  61       tooltip: 'Facebook :: Sign In',
  62       modelIndex: 1
  63     }
  64   ],
  65 };
  66
  67 (function() {
  68
  69 /**
  70  * A mock data transfer object for drag/drop events.
  71  * @constructor
  72  */
  73 function MockDataTransfer() {
  74   /**
  75    * The data this dataTransfer object knows about.
  76    * @type {!Object.<string, string>}
  77    * @private
  78    */
  79   this.data_ = {};
  80 }
  81
  82 /**
  83  * Installs a lazily created MockDataTransfer on event#dataTransfer.
  84  * @param {!Event} event An event to modify.
  85  */
  86 MockDataTransfer.install = function(event) {
  87   event.__defineGetter__('dataTransfer', function() {
  88     event.dataTransfer_ = event.dataTransfer_ || new MockDataTransfer;
  89     return event.dataTransfer_;
  90   });
  91 };
  92
  93 MockDataTransfer.prototype = {
  94   /**
  95    * The URL data in this mock drop event.
  96    * @param {string} type The text of data being set.
  97    * @param {*} val The data to set. Will be stringified.
  98    */
  99   setData: function(type, val) {
 100     this.data_[type] = String(val);
 101   },
 102
 103   /**
 104    * Gets data associated with this fake data transfer.
 105    * @param {string} type The type of data to get.
 106    * @return {string} The requested type of data or '' if not set.
 107    */
 108   getData: function(type) {
 109     return this.data_[type] || '';
 110   },
 111 };
 112
 113 /**
 114  * Creates a fake bubbling, cancelable mouse event with a mock data transfer
 115  * installed.
 116  * @param {string} type A type of mouse event (e.g. 'drop').
 117  * @return {!Event} A fake mouse event.
 118  */
 119 function createMouseEvent(type) {
 120   var event = new MouseEvent(type, {bubbles: true, cancelable: true});
 121   MockDataTransfer.install(event);
 122   return event;
 123 }
 124
 125 TEST_F('StartupPageListWebUITest', 'testDropFromOutsideSource', function() {
 126   /** @const */ var NEW_PAGE = 'http://google.com';
 127
 128   var mockDropEvent = createMouseEvent('drop');
 129   mockDropEvent.dataTransfer.setData('url', NEW_PAGE);
 130
 131   this.mockHandler.expects(once()).addStartupPage([NEW_PAGE, 0]);
 132
 133   this.getList().items[0].dispatchEvent(mockDropEvent);
 134
 135   expectTrue(mockDropEvent.defaultPrevented);
 136 });
 137
 138 TEST_F('StartupPageListWebUITest', 'testDropToReorder', function() {
 139   // TODO(dbeam): mock4js doesn't handle complex arguments well. Fix this.
 140   this.mockHandler.expects(once()).dragDropStartupPage([0, [1].join()]);
 141
 142   this.getList().selectionModel.selectedIndex = 1;
 143   expectEquals(1, this.getList().selectionModel.selectedIndexes.length);
 144
 145   this.getList().items[0].dispatchEvent(createMouseEvent('drop'));
 146 });
 147
 148 }());