basic.html
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<!doctype html>
<!--
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>
<head>
<title>iron-selector-basic</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<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-selector.html">
<style>
.iron-selected {
background: #ccc;
}
.my-selected {
background: red;
}
</style>
</head>
<body>
<test-fixture id="defaults">
<template>
<iron-selector>
<div>Item 0</div>
<div>Item 1</div>
<div>Item 2</div>
<div>Item 3</div>
<div>Item 4</div>
</iron-selector>
</template>
</test-fixture>
<br><br>
<test-fixture id="basic">
<template>
<iron-selector selected="item2" attr-for-selected="id">
<div id="item0">Item 0</div>
<div id="item1">Item 1</div>
<div id="item2">Item 2</div>
<div id="item3">Item 3</div>
<div id="item4">Item 4</div>
</iron-selector>
</template>
</test-fixture>
<script>
suite('defaults', function() {
var s1;
setup(function () {
s1 = fixture('defaults');
});
test('to nothing selected', function() {
assert.equal(s1.selected, null);
});
test('to iron-selected as selectedClass', function() {
assert.equal(s1.selectedClass, 'iron-selected');
});
test('to false as multi', function() {
assert.isFalse(s1.multi);
});
test('to tap as activateEvent', function() {
assert.equal(s1.activateEvent, 'tap');
});
test('to nothing as attrForSelected', function() {
assert.equal(s1.attrForSelected, null);
});
test('as many items as children', function() {
assert.equal(s1.items.length, s1.querySelectorAll('div').length);
});
});
suite('basic', function() {
var s2;
setup(function () {
s2 = fixture('basic');
});
test('honors the attrForSelected attribute', function() {
assert.equal(s2.attrForSelected, 'id');
assert.equal(s2.selected, 'item2');
assert.equal(s2.selectedItem, document.querySelector('#item2'));
});
test('allows assignment to selected', function() {
// set selected
s2.selected = 'item4';
// check selected class
assert.isTrue(s2.children[4].classList.contains('iron-selected'));
// check item
assert.equal(s2.selectedItem, s2.children[4]);
});
test('fire iron-select when selected is set', function() {
// setup listener for iron-select event
var selectedEventCounter = 0;
s2.addEventListener('iron-select', function(e) {
selectedEventCounter++;
});
// set selected
s2.selected = 'item4';
// check iron-select event
assert.equal(selectedEventCounter, 1);
});
test('set selected to old value', function() {
// setup listener for iron-select event
var selectedEventCounter = 0;
s2.addEventListener('iron-select', function(e) {
selectedEventCounter++;
});
// selecting the same value shouldn't fire iron-select
s2.selected = 'item2';
assert.equal(selectedEventCounter, 0);
});
});
</script>
</body>
</html>