basic-test.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>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>iron-a11y-keys</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>
<script src="../../iron-test-helpers/mock-interactions.js"></script>
<link rel="import" href="../../polymer/polymer.html">
<link rel="import" href="../../test-fixture/test-fixture.html">
<link rel="import" href="../iron-a11y-keys-behavior.html">
</head>
<body>
<test-fixture id="BasicKeys">
<template>
<x-a11y-basic-keys></x-a11y-basic-keys>
</template>
</test-fixture>
<test-fixture id="NonPropagatingKeys">
<template>
<x-a11y-basic-keys stop-keyboard-event-propagation></x-a11y-basic-keys>
</template>
</test-fixture>
<test-fixture id="ComboKeys">
<template>
<x-a11y-combo-keys></x-a11y-combo-keys>
</template>
</test-fixture>
<test-fixture id="AlternativeEventKeys">
<template>
<x-a11y-alternate-event-keys></x-a11y-alternate-event-keys>
</template>
</test-fixture>
<test-fixture id="BehaviorKeys">
<template>
<x-a11y-behavior-keys></x-a11y-behavior-keys>
</template>
</test-fixture>
<script>
suite('Polymer.IronA11yKeysBehavior', function() {
var keys;
suiteSetup(function() {
var KeysTestBehavior = [Polymer.IronA11yKeysBehavior, {
properties: {
keyCount: {
type: Number,
value: 0
}
},
_keyHandler: function(event) {
this.keyCount++;
this.lastEvent = event;
}
}];
Polymer({
is: 'x-a11y-basic-keys',
behaviors: [
KeysTestBehavior
],
keyBindings: {
'space': '_keyHandler'
}
});
Polymer({
is: 'x-a11y-combo-keys',
behaviors: [
KeysTestBehavior
],
keyBindings: {
'ctrl+shift+a': '_keyHandler'
}
});
Polymer({
is: 'x-a11y-alternate-event-keys',
behaviors: [
KeysTestBehavior
],
keyBindings: {
'space:keyup': '_keyHandler'
}
});
var XA11yBehavior = {
keyBindings: {
'enter': '_keyHandler'
}
};
Polymer({
is: 'x-a11y-behavior-keys',
behaviors: [
KeysTestBehavior,
XA11yBehavior
],
keyBindings: {
'space': '_keyHandler'
}
});
});
suite('basic keys', function() {
setup(function() {
keys = fixture('BasicKeys');
});
test('trigger the handler when the specified key is pressed', function() {
MockInteractions.pressSpace(keys);
expect(keys.keyCount).to.be.equal(1);
});
test('do not trigger the handler for non-specified keys', function() {
MockInteractions.pressEnter(keys);
expect(keys.keyCount).to.be.equal(0);
});
test('can have bindings added imperatively', function() {
keys.addOwnKeyBinding('enter', '_keyHandler');
MockInteractions.pressEnter(keys);
expect(keys.keyCount).to.be.equal(1);
MockInteractions.pressSpace(keys);
expect(keys.keyCount).to.be.equal(2);
});
test('can remove imperatively added bindings', function() {
keys.addOwnKeyBinding('enter', '_keyHandler');
keys.removeOwnKeyBindings();
MockInteractions.pressEnter(keys);
expect(keys.keyCount).to.be.equal(0);
MockInteractions.pressSpace(keys);
expect(keys.keyCount).to.be.equal(1);
});
test('allows propagation beyond the key combo handler', function() {
var keySpy = sinon.spy();
document.addEventListener('keydown', keySpy);
MockInteractions.pressEnter(keys);
expect(keySpy.callCount).to.be.equal(1);
});
suite('edge cases', function() {
test('knows that `spacebar` is the same as `space`', function() {
var event = new CustomEvent('keydown');
event.key = 'spacebar';
expect(keys.keyboardEventMatchesKeys(event, 'space')).to.be.equal(true);
});
});
suite('matching keyboard events to keys', function() {
test('can be done imperatively', function() {
var event = new CustomEvent('keydown');
event.keyCode = 65;
expect(keys.keyboardEventMatchesKeys(event, 'a')).to.be.equal(true);
});
test('can be done with a provided keyboardEvent', function() {
var event;
MockInteractions.pressSpace(keys);
event = keys.lastEvent;
expect(event.detail.keyboardEvent).to.be.okay;
expect(keys.keyboardEventMatchesKeys(event, 'space')).to.be.equal(true);
});
test('can handle variations in arrow key names', function() {
var event = new CustomEvent('keydown');
event.key = 'up';
expect(keys.keyboardEventMatchesKeys(event, 'up')).to.be.equal(true);
event.key = 'ArrowUp';
expect(keys.keyboardEventMatchesKeys(event, 'up')).to.be.equal(true);
});
});
});
suite('combo keys', function() {
setup(function() {
keys = fixture('ComboKeys');
});
test('trigger the handler when the combo is pressed', function() {
var event = new CustomEvent('keydown');
event.ctrlKey = true;
event.shiftKey = true;
event.keyCode = event.code = 65;
keys.dispatchEvent(event);
expect(keys.keyCount).to.be.equal(1);
});
});
suite('alternative event keys', function() {
setup(function() {
keys = fixture('AlternativeEventKeys');
});
test('trigger on the specified alternative keyboard event', function() {
MockInteractions.keyDownOn(keys, 32);
expect(keys.keyCount).to.be.equal(0);
MockInteractions.keyUpOn(keys, 32);
expect(keys.keyCount).to.be.equal(1);
});
});
suite('behavior keys', function() {
setup(function() {
keys = fixture('BehaviorKeys');
});
test('bindings in other behaviors are transitive', function() {
MockInteractions.pressEnter(keys);
MockInteractions.pressSpace(keys);
expect(keys.keyCount).to.be.equal(2);
});
});
suite('stopping propagation automatically', function() {
setup(function() {
keys = fixture('NonPropagatingKeys');
});
test('does not propagate key events beyond the combo handler', function() {
var keySpy = sinon.spy();
document.addEventListener('keydown', keySpy);
MockInteractions.pressEnter(keys);
expect(keySpy.callCount).to.be.equal(0);
});
});
});
</script>
</body>
</html>