basic.html
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<!DOCTYPE html>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<html lang="en">
<head>
<meta charset="UTF-8">
<title>iron-label basic tests</title>
<script src="../../webcomponentsjs/webcomponents-lite.js"></script>
<script src="../../web-component-tester/browser.js"></script>
<script src="../../test-fixture/test-fixture-mocha.js"></script>
<link rel="import" href="../../test-fixture/test-fixture.html">
<link rel="import" href="../iron-label.html">
</head>
<body>
<test-fixture id="TrivialWrapper">
<template>
<iron-label>
Label
<input type="text">
</iron-label>
</template>
</test-fixture>
<test-fixture id="MultiElementWrapper">
<template>
<iron-label>
<span>Label</span>
<input iron-label-target type="text">
</iron-label>
</template>
</test-fixture>
<test-fixture id="ExplicitId">
<template>
<iron-label id="explicit">Label<input type="text"></iron-label>
</template>
</test-fixture>
<test-fixture id="TrivialSelector">
<template>
<div>
<iron-label for="input">Label</iron-label>
<input id="input" type="text">
</div>
</template>
</test-fixture>
<test-fixture id="DynamicLabel">
<template>
<div>
<iron-label id="label"><input id="nested">Label</iron-label>
<input id="one" type="text">
</div>
</template>
</test-fixture>
<test-fixture id="UniqueIds">
<template>
<iron-label></iron-label>
<iron-label></iron-label>
</template>
</test-fixture>
<script>
suite('basic', function() {
test('id generated on creation', function() {
var e = document.createElement('iron-label');
assert(e.id, 'iron-label-0');
});
test('id not overwritten if given', function() {
var label = fixture('ExplicitId');
assert.equal(label.id, 'explicit', 'explict id is kept');
});
test('ids are unique', function() {
var labels = fixture('UniqueIds');
assert.notEqual(labels[0].id, labels[1].id);
});
a11ySuite('TrivialWrapper');
a11ySuite('MultiElementWrapper');
a11ySuite('ExplicitId');
a11ySuite('TrivialSelector');
});
suite('targeting', function() {
function expectedTarget(expected, label) {
assert.ok(expected, 'expected is defined');
assert.ok(label, 'label is defined');
var actual = label._findTarget();
assert.equal(actual, expected, 'target is expected');
assert.ok(expected.hasAttribute('aria-labelledby'), 'has aria labelledby');
assert.equal(expected.getAttribute('aria-labelledby'), label.id, 'aria-labelledby points to iron-label');
if (label.for) {
assert.equal(label.getAttribute('for'), label.for, 'for property reflected');
}
}
test('Trivial', function() {
var label = fixture('TrivialWrapper');
var expected = Polymer.dom(label).firstElementChild;
expectedTarget(expected, label);
});
test('Multiple', function() {
var label = fixture('MultiElementWrapper');
var expected = Polymer.dom(label).querySelector('[iron-label-target]');
expectedTarget(expected, label);
});
test('selected target via selector', function() {
var container = fixture('TrivialSelector');
var label = Polymer.dom(container).firstElementChild;
var expected = label.nextElementSibling;
expectedTarget(expected, label);
});
});
suite('dynamic targeting', function() {
var container, label, nested, one;
setup(function() {
container = fixture('DynamicLabel');
label = Polymer.dom(container).querySelector('#label');
nested = Polymer.dom(label).firstElementChild;
one = Polymer.dom(container).querySelector('#one');
});
test('nested is target', function() {
assert.equal(nested.getAttribute('aria-labelledby'), label.id);
assert.notOk(one.hasAttribute('aria-labelledby'));
});
test('nested -> #one', function() {
label.for = 'one';
assert.equal(one.getAttribute('aria-labelledby'), label.id);
assert.notOk(nested.hasAttribute('aria-labelledby'));
});
});
</script>
</body>
</html>