iron-overlay-behavior.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>
<head>
<title>iron-overlay-behavior tests</title>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
<script src="../../webcomponentsjs/webcomponents-lite.js"></script>
<script src="../../web-component-tester/browser.js"></script>
<script src="../../test-fixture/test-fixture-mocha.js"></script>
<script src="../../iron-test-helpers/test-helpers.js"></script>
<link rel="import" href="../../test-fixture/test-fixture.html">
<link rel="import" href="test-overlay.html">
</head>
<body>
<test-fixture id="basic">
<template>
<test-overlay>
Basic Overlay
</test-overlay>
</template>
</test-fixture>
<test-fixture id="opened">
<template>
<test-overlay opened>
Basic Overlay
</test-overlay>
</template>
</test-fixture>
<test-fixture id="autofocus">
<template>
<test-overlay>
Autofocus
<button autofocus>button</button>
</test-overlay>
</template>
</test-fixture>
<test-fixture id="multiple">
<template>
<test-overlay class="overlay-1">
Overlay 1
</test-overlay>
<test-overlay class="overlay-2">
Overlay 2
</test-overlay>
<test-overlay class="overlay-3">
Overlay 3
</test-overlay>
</template>
</test-fixture>
<test-fixture id="backdrop-multiple">
<template>
<test-overlay with-backdrop class="overlay-1">
Overlay 1 with backdrop
</test-overlay>
<test-overlay with-backdrop class="overlay-2">
Overlay 2 with backdrop
</test-overlay>
<test-overlay with-backdrop class="overlay-3">
Overlay 3 with backdrop
</test-overlay>
</template>
</test-fixture>
<script>
function runAfterOpen(overlay, cb) {
overlay.addEventListener('iron-overlay-opened', function() {
Polymer.Base.async(cb, 1);
});
overlay.open();
}
suite('basic overlay tests', function() {
var overlay;
setup(function() {
overlay = fixture('basic');
});
test('overlay starts hidden', function() {
assert.isFalse(overlay.opened, 'overlay starts closed');
assert.equal(getComputedStyle(overlay).display, 'none', 'overlay starts hidden');
});
test('overlay open by default', function() {
overlay = fixture('opened');
runAfterOpen(overlay, function() {
assert.isTrue(overlay.opened, 'overlay starts opened');
assert.notEqual(getComputedStyle(overlay).display, 'none', 'overlay starts showing');
});
});
test('overlay open/close events', function(done) {
var nevents = 0;
overlay.addEventListener('iron-overlay-opened', function() {
nevents += 1;
overlay.opened = false;
});
overlay.addEventListener('iron-overlay-closed', function() {
nevents += 1;
assert.equal(nevents, 2, 'opened and closed events fired');
done();
});
overlay.opened = true;
});
test('close an overlay quickly after open', function(done) {
// first, open the overlay
overlay.open();
overlay.async(function() {
// during the opening transition, close the overlay
this.close();
// wait for any exceptions to be thrown until the transition is done
this.async(function() {
done();
}, 300);
});
});
test('close an overlay in proximity to another overlay', function(done) {
var secondOverlay = fixture('basic');
// Open and close a separate overlay.
secondOverlay.open();
secondOverlay.close();
// Open the overlay we care about.
overlay.open();
// Wait for infinite recursion, otherwise we win:
overlay.addEventListener('iron-overlay-closed', function() {
done();
});
// Immediately close the first overlay:
overlay.close();
});
test('clicking an overlay does not close it', function(done) {
runAfterOpen(overlay, function() {
overlay.addEventListener('iron-overlay-closed', function() {
assert('iron-overlay-closed should not fire');
});
overlay.fire('click');
setTimeout(function() {
done();
}, 10);
});
});
test('node with autofocus is focused', function(done) {
overlay = fixture('autofocus');
runAfterOpen(overlay, function() {
assert.equal(Polymer.dom(overlay).querySelector('[autofocus]'), document.activeElement, '<button autofocus> is focused');
done();
});
});
test('cancel an overlay by clicking outside', function(done) {
runAfterOpen(overlay, function() {
overlay.addEventListener('iron-overlay-canceled', function(event) {
done();
});
Polymer.Base.fire.call(document, 'click');
});
});
test('close an overlay by clicking outside', function(done) {
runAfterOpen(overlay, function() {
overlay.addEventListener('iron-overlay-closed', function(event) {
assert.isTrue(event.detail.canceled, 'overlay is canceled');
done();
});
Polymer.Base.fire.call(document, 'click');
});
});
test('cancel event can be prevented', function(done) {
runAfterOpen(overlay, function() {
overlay.addEventListener('iron-overlay-canceled', function(event) {
event.preventDefault();
});
var closedListener = function(event) {
throw new Error('iron-overlay-closed should not fire');
};
overlay.addEventListener('iron-overlay-closed', closedListener);
Polymer.Base.fire.call(document, 'click');
setTimeout(function() {
overlay.removeEventListener('iron-overlay-closed', closedListener);
done();
}, 10);
});
});
test('cancel an overlay with esc key', function(done) {
runAfterOpen(overlay, function() {
overlay.addEventListener('iron-overlay-canceled', function(event) {
done();
});
fireEvent('keydown', {
keyCode: 27
}, document);
});
});
test('close an overlay with esc key', function(done) {
runAfterOpen(overlay, function() {
overlay.addEventListener('iron-overlay-closed', function(event) {
assert.isTrue(event.detail.canceled, 'overlay is canceled');
done();
});
fireEvent('keydown', {
keyCode: 27
}, document);
});
});
test('no-cancel-on-outside-click property', function(done) {
overlay.noCancelOnOutsideClick = true;
runAfterOpen(overlay, function() {
overlay.addEventListener('iron-overlay-closed', function() {
assert('iron-overlay-closed should not fire');
});
Polymer.Base.fire.call(document, 'click');
setTimeout(function() {
done();
}, 10);
});
});
test('no-cancel-on-esc-key property', function(done) {
overlay.noCancelOnEscKey = true;
runAfterOpen(overlay, function() {
overlay.addEventListener('iron-overlay-closed', function() {
assert('iron-overlay-cancel should not fire');
});
fireEvent('keydown', {
keyCode: 27
}, document);
setTimeout(function() {
done();
}, 10);
});
});
});
suite('multiple overlays', function() {
var overlays;
setup(function() {
overlays = fixture('multiple');
});
test('new overlays appear on top', function(done) {
runAfterOpen(overlays[0], function() {
runAfterOpen(overlays[1], function() {
var styleZ = parseInt(window.getComputedStyle(overlays[0]).zIndex, 10);
var styleZ1 = parseInt(window.getComputedStyle(overlays[1]).zIndex, 10);
assert.isTrue(styleZ1 > styleZ, 'overlays[1] has higher z-index than overlays[0]');
done();
});
});
});
});
suite('overlays with backdrop', function() {
var overlays;
setup(function() {
overlays = fixture('backdrop-multiple');
});
test('backdrop appears behind the overlay', function(done) {
runAfterOpen(overlays[0], function() {
assert.isDefined(overlays[0].backdropElement, 'backdrop is defined');
assert.isDefined(overlays[0].backdropElement.parentNode, 'backdrop is inserted in the DOM');
styleZ = parseInt(window.getComputedStyle(overlays[0]).zIndex, 10);
backdropStyleZ = parseInt(window.getComputedStyle(overlays[0].backdropElement).zIndex, 10);
assert.isTrue(styleZ > backdropStyleZ, 'overlay has higher z-index than backdrop');
done();
});
});
test('backdrop is removed when the element is removed from DOM', function(done) {
runAfterOpen(overlays[0], function() {
var backdrop = overlays[0].backdropElement;
Polymer.dom(backdrop.parentNode).removeChild(backdrop);
Polymer.dom.flush();
assert.isNull(backdrop.parentNode, 'backdrop is removed from DOM');
done();
});
});
test('backdrop is opened when iron-overlay-open-completed fires', function(done) {
runAfterOpen(overlays[0], function() {
assert.isTrue(overlays[0].backdropElement.opened, 'backdrop is opened');
done();
});
});
});
suite('multiple overlays with backdrop', function() {
var overlays;
setup(function() {
overlays = fixture('backdrop-multiple');
});
test('multiple overlays share the same backdrop', function() {
assert.isTrue(overlays[0].backdropElement === overlays[1].backdropElement, 'overlays[0] has the same backdrop element as overlays[1]');
});
test('newest overlay appear on top', function(done) {
runAfterOpen(overlays[0], function() {
runAfterOpen(overlays[1], function() {
var styleZ = parseInt(window.getComputedStyle(overlays[0]).zIndex, 10);
var style1Z = parseInt(window.getComputedStyle(overlays[1]).zIndex, 10);
var bgStyleZ = parseInt(window.getComputedStyle(overlays[0].backdropElement).zIndex, 10);
assert.isTrue(style1Z > styleZ, 'overlays[1] has higher z-index than overlays[0]');
assert.isTrue(styleZ > bgStyleZ, 'overlays[0] has higher z-index than backdrop');
done();
});
});
});
});
suite('a11y', function() {
test('overlay has aria-hidden=true when opened', function() {
var overlay = fixture('basic');
assert.equal(overlay.getAttribute('aria-hidden'), 'true', 'overlay has aria-hidden="true"');
overlay.open();
assert.isFalse(overlay.hasAttribute('aria-hidden'), 'overlay does not have aria-hidden attribute');
overlay.close();
assert.equal(overlay.getAttribute('aria-hidden'), 'true', 'overlay has aria-hidden="true"');
});
})
</script>
</body>
</html>