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1<!doctype html>
2<!--
3@license
4Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
5This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
6The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
7The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
8Code distributed by Google as part of the polymer project is also
9subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
10-->
11<html>
12
13<head>
14
15  <title>iron-focusables-helper tests</title>
16
17  <meta charset="utf-8">
18  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
19  <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
20
21  <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
22
23  <script src="../../web-component-tester/browser.js"></script>
24  <link rel="import" href="../../iron-test-helpers/iron-test-helpers.html">
25  <link rel="import" href="../iron-focusables-helper.html">
26  <link rel="import" href="test-buttons.html">
27  <link rel="import" href="test-buttons-wrapper.html">
28
29  <style is="custom-style">
30    .hidden {
31      visibility: hidden;
32    }
33
34    .no-display {
35      display: none;
36    }
37  </style>
38</head>
39
40<body>
41
42  <test-fixture id="basic">
43    <template>
44      <div>
45        <h2>Focusables (no tabindex)</h2>
46        <div>
47          <input class="focusable1" placeholder="1 (nested)">
48        </div>
49        <a href="#" class="focusable2">2</a>
50        <button disabled> disabled button</button>
51        <input disabled tabindex="0" value="disabled input with tabindex">
52        <div tabindex="-1">not focusable</div>
53        <div contenteditable class="focusable3">3</div>
54      </div>
55    </template>
56  </test-fixture>
57
58  <test-fixture id="tabindex">
59    <template>
60      <div>
61        <h2>Focusables (with tabindex)</h2>
62        <div tabindex="0" class="focusable7">7</div>
63        <div tabindex="0" class="focusable8">8</div>
64        <div tabindex="0" class="focusable9">9</div>
65        <div tabindex="0" class="focusable10">10</div>
66        <div tabindex="0" class="focusable11">11</div>
67        <div tabindex="0" class="focusable12">12</div>
68        <div tabindex="-1">not focusable</div>
69        <div tabindex="3" class="focusable3">3</div>
70        <div tabindex="4" class="focusable4">4</div>
71        <div tabindex="5" class="focusable5">5</div>
72        <div>
73          <div tabindex="1" class="focusable1">1 (nested)</div>
74          <div tabindex="6" class="focusable6">6 (nested)</div>
75        </div>
76        <div tabindex="2" class="focusable2">2</div>
77      </div>
78    </template>
79  </test-fixture>
80
81  <test-fixture id="shadow">
82    <template>
83      <test-buttons>
84        <h2>focusables in ShadowDOM</h2>
85        <input placeholder="type something..">
86      </test-buttons>
87    </template>
88  </test-fixture>
89
90  <test-fixture id="composed">
91    <template>
92      <test-buttons-wrapper>
93        <input placeholder="type something..">
94      </test-buttons-wrapper>
95    </template>
96  </test-fixture>
97
98  <script>
99    suite('getTabbableNodes', function() {
100
101      test('returns tabbable nodes', function() {
102        var node = fixture('basic');
103        var focusableNodes = Polymer.IronFocusablesHelper.getTabbableNodes(node);
104        assert.equal(focusableNodes.length, 3, '3 nodes are focusable');
105        assert.equal(focusableNodes[0], Polymer.dom(node).querySelector('.focusable1'));
106        assert.equal(focusableNodes[1], Polymer.dom(node).querySelector('.focusable2'));
107        assert.equal(focusableNodes[2], Polymer.dom(node).querySelector('.focusable3'));
108      });
109
110      test('includes the root if it has a valid tabindex', function() {
111        var node = fixture('basic');
112        node.setAttribute('tabindex', '0');
113        var focusableNodes = Polymer.IronFocusablesHelper.getTabbableNodes(node);
114        assert.equal(focusableNodes.length, 4, '4 focusable nodes');
115        assert.notEqual(focusableNodes.indexOf(node), -1, 'root is included');
116      });
117
118      test('excludes visibility: hidden elements', function() {
119        var node = fixture('basic');
120        var focusable = Polymer.dom(node).querySelector('.focusable1');
121        focusable.classList.add('hidden');
122        var focusableNodes = Polymer.IronFocusablesHelper.getTabbableNodes(node);
123        assert.equal(focusableNodes.length, 2, '2 focusable nodes');
124        assert.equal(focusableNodes.indexOf(focusable), -1, 'hidden element is not included');
125      });
126
127      test('excludes display: none elements', function() {
128        var node = fixture('basic');
129        var focusable = Polymer.dom(node).querySelector('.focusable1');
130        focusable.classList.add('no-display');
131        var focusableNodes = Polymer.IronFocusablesHelper.getTabbableNodes(node);
132        assert.equal(focusableNodes.length, 2, '2 focusable nodes');
133        assert.equal(focusableNodes.indexOf(focusable), -1, 'hidden element is not included');
134      });
135
136      test('respects the tabindex order', function() {
137        var node = fixture('tabindex');
138        var focusableNodes = Polymer.IronFocusablesHelper.getTabbableNodes(node);
139        assert.equal(focusableNodes.length, 12, '12 nodes are focusable');
140        for (var i = 0; i < 12; i++) {
141          assert.equal(focusableNodes[i], Polymer.dom(node).querySelector('.focusable' + (i + 1)));
142        }
143      });
144
145      test('includes tabbable elements in the shadow dom', function() {
146        var node = fixture('shadow');
147        var focusableNodes = Polymer.IronFocusablesHelper.getTabbableNodes(node);
148        assert.equal(focusableNodes.length, 4, '4 nodes are focusable');
149        assert.equal(focusableNodes[0], node.$.button0);
150        assert.equal(focusableNodes[1], node.$.button1);
151        assert.equal(focusableNodes[2], Polymer.dom(node).querySelector('input'));
152        assert.equal(focusableNodes[3], node.$.button2);
153      });
154
155      test('handles composition', function() {
156        var node = fixture('composed');
157        var focusableNodes = Polymer.IronFocusablesHelper.getTabbableNodes(node);
158        assert.equal(focusableNodes.length, 6, '6 nodes are focusable');
159        assert.equal(focusableNodes[0], node.$.select);
160        assert.equal(focusableNodes[1], node.$.wrapped.$.button0);
161        assert.equal(focusableNodes[2], node.$.wrapped.$.button1);
162        assert.equal(focusableNodes[3], Polymer.dom(node).querySelector('input'));
163        assert.equal(focusableNodes[4], node.$.wrapped.$.button2);
164        assert.equal(focusableNodes[5], node.$.focusableDiv);
165      });
166
167      test('handles distributed nodes', function() {
168        var node = fixture('composed');
169        var wrapped = node.$.wrapped;
170        var focusableNodes = Polymer.IronFocusablesHelper.getTabbableNodes(wrapped);
171        assert.equal(focusableNodes.length, 4, '4 nodes are focusable');
172        assert.equal(focusableNodes[0], wrapped.$.button0);
173        assert.equal(focusableNodes[1], wrapped.$.button1);
174        assert.equal(focusableNodes[2], Polymer.dom(node).querySelector('input'));
175        assert.equal(focusableNodes[3], wrapped.$.button2);
176      });
177    });
178  </script>
179
180</body>
181
182</html>
183