chrome/browser/resources/chromeos/chromevox/common/aria_util_test.unitjs

   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 // Include test fixture.
   6 GEN_INCLUDE(['../testing/chromevox_unittest_base.js']);
   7
   8 /**
   9  * Test fixture for aria_util.js.
  10  * @constructor
  11  * @extends {ChromeVoxUnitTestBase}
  12  */
  13 function CvoxAriaUtilUnitTest() {}
  14
  15 CvoxAriaUtilUnitTest.prototype = {
  16   __proto__: ChromeVoxUnitTestBase.prototype,
  17
  18   /** @override */
  19   closureModuleDeps: [
  20     'cvox.AriaUtil',
  21     'cvox.ChromeVox',
  22     'cvox.DomUtil',]
  23 };
  24
  25 TEST_F('CvoxAriaUtilUnitTest', 'GetStateGridWithActiveCell', function() {
  26   this.loadDoc(function() {/*!
  27     <div id="grid" role="grid" aria-activedescendant="cell">
  28       <div role="row">
  29         <div id="cell" role="gridcell">
  30       </div>
  31     </div>
  32   */});
  33   assertThat(
  34       cvox.AriaUtil.getStateMsgs($('grid'), true),
  35       eqJSON([['aria_role_gridcell_pos', 1, 1]]));
  36 });
  37
  38 TEST_F('CvoxAriaUtilUnitTest', 'GetActiveDescendant', function() {
  39   this.loadDoc(function() {/*!
  40     <div id="top" aria-activedescendant="child">
  41       <div id="child" />
  42     </div>
  43     <div id="top_2" aria-activedescendant="child_2">
  44       <div id="child_2" aria-activedescendant="grandchild_2">
  45         <div id="grandchild_2" />
  46       </div>
  47     </div>
  48
  49     <h1>The buggy cases.</h1>
  50     <div id="loop" aria-activedescendant="loop" />
  51     <div id="circleA" aria-activedescendant="circleB">
  52       <div id="circleB" aria-activedescendant="circleA" />
  53     </div>
  54   */});
  55
  56   // The typical case.
  57   var topElt = $('top');
  58   var childElt = $('child');
  59   assertEquals(childElt, cvox.AriaUtil.getActiveDescendant(topElt));
  60
  61   // childElt has not aria-activedescendant, so return null.
  62   assertEquals(null, cvox.AriaUtil.getActiveDescendant(childElt));
  63
  64   // The chained case.
  65   var top2Elt = $('top_2');
  66   var grandchild2Elt = $('grandchild_2');
  67   assertEquals(grandchild2Elt, cvox.AriaUtil.getActiveDescendant(top2Elt));
  68
  69   // The buggy cases.  These are invalid, so return null as if the
  70   // aria-activedescendant tags did not exist.
  71   var loopElt = $('loop');
  72   assertEquals(null, cvox.AriaUtil.getActiveDescendant(loopElt));
  73
  74   var circleAElt = $('circleA');
  75   assertEquals(null, cvox.AriaUtil.getActiveDescendant(circleAElt));
  76 });
  77
  78 TEST_F('CvoxAriaUtilUnitTest', 'ListIndexAndState', function() {
  79   this.loadDoc(function() {/*!
  80     <div id="l" role="listbox" tabindex="0" aria-activedescendant="l2">
  81       <div id="l1" role="option">A</div>
  82       <div id="l2" role="option">B</div>
  83       <div id="l3" role="option">C</div>
  84     </div>
  85     <div id="a" role="listbox" tabindex="0" aria-activedescendant="a2">
  86       <div id="a1" role="option" aria-setsize="10" aria-posinset="5">A</div>
  87       <div id="a2" role="option" aria-setsize="20" aria-posinset="15">B</div>
  88       <div id="a3" role="option" aria-setsize="30" aria-posinset="25">C</div>
  89     </div>
  90     <div id="b" role="listbox" tabindex="0" aria-activedescendant="b2">
  91       <div id="b1" role="option" aria-posinset="3">A</div>
  92       <div id="b2" role="option" aria-posinset="2">B</div>
  93       <div id="b3" role="option" aria-posinset="1">C</div>
  94     </div>
  95   */});
  96
  97   var optionElt = $('l2');
  98   assertThat(
  99       cvox.AriaUtil.getStateMsgs(optionElt),
 100       eqJSON([['list_position', 2, 3]]));
 101
 102   var ariaOptionElt = $('a2');
 103   assertThat(
 104       cvox.AriaUtil.getStateMsgs(ariaOptionElt),
 105       eqJSON([['list_position', 15, 20]]));
 106
 107   ariaOptionElt = $('b3');
 108   assertThat(
 109       cvox.AriaUtil.getStateMsgs(ariaOptionElt),
 110       eqJSON([['list_position', 1, 3]]));
 111 });
 112
 113 TEST_F('CvoxAriaUtilUnitTest', 'GetLiveRegions', function() {
 114   this.loadDoc(function() {/*!
 115    <div id="outer">
 116     <div id="progress" role="progressbar" aria-live="polite" aria-valuenow="1">
 117       <div id="ptext">
 118         1% complete.
 119       </div>
 120     </div>
 121     <div id="progress2" role="progressbar" aria-live="polite" aria-valuenow="1">
 122       <div id="ptext2">
 123         1% complete.
 124       </div>
 125     </div>
 126    </div>
 127   */});
 128
 129   var progressLiveRegions = cvox.AriaUtil.getLiveRegions(progress);
 130   assertEquals(1, progressLiveRegions.length);
 131   assertNotEquals(-1, progressLiveRegions.indexOf(progress));
 132
 133   var outerLiveRegions = cvox.AriaUtil.getLiveRegions(outer);
 134   assertEquals(2, outerLiveRegions.length);
 135   assertNotEquals(-1, outerLiveRegions.indexOf(progress));
 136   assertNotEquals(-1, outerLiveRegions.indexOf(progress2));
 137
 138   // getLiveRegions works walking up the tree as well.
 139   var ptextLiveRegions = cvox.AriaUtil.getLiveRegions(ptext);
 140   assertEquals(1, ptextLiveRegions.length);
 141   assertNotEquals(-1, ptextLiveRegions.indexOf(progress));
 142 });