npm-polymer-elements
Version:
Polymer Elements package for npm
147 lines (122 loc) • 5.11 kB
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-collapse-basic</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-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-collapse.html">
</head>
<body>
<test-fixture id="test">
<template>
<iron-collapse id="collapse" opened>
<div style="height:100px;">
Lorem ipsum
</div>
</iron-collapse>
</template>
</test-fixture>
<script>
suite('basic', function() {
var collapse;
var collapseHeight;
setup(function() {
collapse = fixture('test');
collapseHeight = getComputedStyle(collapse).height;
});
test('opened attribute', function() {
assert.equal(collapse.opened, true);
});
test('animated by default', function() {
assert.isTrue(!collapse.noAnimation, '`noAnimation` is falsy');
});
test('horizontal attribute', function() {
assert.equal(collapse.horizontal, false);
});
test('default opened height', function() {
assert.equal(collapse.style.height, 'auto');
});
test('set opened to false triggers animation', function(done) {
collapse.opened = false;
// Animation got enabled.
assert.notEqual(collapse.style.transitionDuration, '0s');
collapse.addEventListener('transitionend', function() {
// Animation disabled.
assert.equal(collapse.style.transitionDuration, '0s');
done();
});
});
test('enableTransition(false) disables animations', function() {
collapse.enableTransition(false);
assert.isTrue(collapse.noAnimation, '`noAnimation` is true');
// trying to animate the size update
collapse.updateSize('0px', true);
// Animation immediately disabled.
assert.equal(collapse.style.height, '0px');
});
test('set opened to false, then to true', function(done) {
// this listener will be triggered twice (every time `opened` changes)
collapse.addEventListener('transitionend', function() {
if (collapse.opened) {
// Check finalSize after animation is done.
assert.equal(collapse.style.height, 'auto');
done();
} else {
// Check if size is still 0px.
assert.equal(collapse.style.height, '0px');
// Trigger 2nd toggle.
collapse.opened = true;
// Size should be immediately set.
assert.equal(collapse.style.height, collapseHeight);
}
});
// Trigger 1st toggle.
collapse.opened = false;
// Size should be immediately set.
assert.equal(collapse.style.height, '0px');
});
test('opened changes trigger iron-resize', function() {
var spy = sinon.stub();
collapse.addEventListener('iron-resize', spy);
// No animations for faster test.
collapse.noAnimation = true;
collapse.opened = false;
assert.isTrue(spy.calledOnce, 'iron-resize was fired');
});
test('overflow is hidden while animating', function(done) {
collapse.addEventListener('transitionend', function() {
// Should still be hidden.
assert.equal(getComputedStyle(collapse).overflow, 'hidden');
done();
});
assert.equal(getComputedStyle(collapse).overflow, 'visible');
collapse.opened = false;
// Immediately updated style.
assert.equal(getComputedStyle(collapse).overflow, 'hidden');
});
test('toggle horizontal updates size', function() {
collapse.horizontal = false;
assert.equal(collapse.style.width, '');
assert.equal(collapse.style.height, 'auto');
assert.equal(collapse.style.transitionProperty, 'height');
collapse.horizontal = true;
assert.equal(collapse.style.width, 'auto');
assert.equal(collapse.style.height, '');
assert.equal(collapse.style.transitionProperty, 'width');
});
});
</script>
</body>
</html>