iron-icon.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-icon</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="../iron-icon.html">
<link rel="import" href="../../iron-iconset/iron-iconset.html">
<link rel="import" href="../../promise-polyfill/promise-polyfill.html">
<link rel="import" href="../../test-fixture/test-fixture.html">
</head>
<body>
<test-fixture id="TrivialIcon">
<template>
<iron-icon src="../demo/location.png"></iron-icon>
</template>
</test-fixture>
<test-fixture id="IconFromIconset">
<template>
<iron-iconset name="example" icons="location blank" src="location.png" size="24" width="48"></iron-iconset>
<iron-icon icon="example:location"></iron-icon>
</template>
</test-fixture>
<test-fixture id="WithoutAnIconSource">
<template>
<iron-icon icon=""></iron-icon>
<iron-icon></iron-icon>
<iron-icon src=""></iron-icon>
</template>
</test-fixture>
<test-fixture id="UsingAsyncIconset">
<template>
<iron-icon icon="async:location"></iron-icon>
</template>
</test-fixture>
<test-fixture id="AsyncIconset">
<template>
<iron-iconset name="async" icons="location blank" src="location.png" size="24" width="48"></iron-iconset>
</template>
</test-fixture>
<script>
function iconElementFor (node) {
var nodes = Polymer.dom(node.root).childNodes;
for (var i = 0; i < nodes.length; ++i) {
if (nodes[i].nodeName.match(/DIV|IMG/)) {
return nodes[i];
}
}
}
function hasIcon (node) {
return /png/.test(node.style.backgroundImage);
}
suite('<iron-icon>', function() {
suite('basic behavior', function() {
var icon;
setup(function() {
icon = fixture('TrivialIcon');
});
test('can be assigned an icon with the src attribute', function() {
expect(iconElementFor(icon)).to.be.ok;
expect(iconElementFor(icon).src).to.match(/demo\/location\.png/);
});
test('can change its src dynamically', function() {
icon.src = 'foo.png';
expect(iconElementFor(icon).src).to.match(/foo\.png/);
});
});
suite('when paired with an iconset', function() {
var icon;
setup(function() {
var elements = fixture('IconFromIconset');
icon = elements[1];
});
test('can be assigned an icon from the iconset', function() {
expect(hasIcon(icon)).to.be.ok;
});
test('can change its icon dynamically', function() {
var style = icon.style;
expect(style.backgroundPosition).to.match(/0(%|px) 0(%|px)/);
icon.icon = "example:blank";
expect(style.backgroundPosition).to.match(/-24px 0(%|px)/);
});
});
suite('when no icon source is provided', function() {
test('will politely wait for an icon source without throwing', function() {
document.createElement('iron-icon');
fixture('WithoutAnIconSource');
});
})
suite('when loading async', function() {
test('will get icon after iconset is added', function() {
var icon = fixture('UsingAsyncIconset');
expect(hasIcon(icon)).to.be.false;
return new Promise(function(resolve, reject) {
window.addEventListener('iron-iconset-added', function() {
if (hasIcon(icon)) {
resolve();
} else {
reject(new Error('icon didn\'t load after iconset loaded'));
}
});
fixture('AsyncIconset');
});
});
});
});
</script>
</body>
</html>