<!doctype html> <!– @license Copyright © 2015 The Polymer Project Authors. All rights reserved. This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt The complete set of authors may be found at polymer.github.io/AUTHORS.txt The complete set of contributors may be found at 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 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">
<link rel="import" href="icon-holder.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>

<test-fixture id="SrcIconSwitch">
  <template>
    <iron-iconset name="example" icons="location blank" src="location.png" size="24" width="48"></iron-iconset>
    <iron-icon></iron-icon>
  </template>
</test-fixture>

<test-fixture id="ParentForceUpdate">
  <template>
    <icon-holder>
      <iron-icon></iron-icon>
    </icon-holder>
  </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('lifecycle', function() {
  var icon;

  setup(function() {
    icon = document.createElement('iron-icon');
  });

  teardown(function() {
    if (icon.parentNode != null) {
      Polymer.dom(icon.parentNode).removeChild(icon);
    }
  });

  test('does not create icon until attached', function() {
    icon.src = 'location.png';

    var children = Polymer.dom(icon.root).querySelectorAll('img,svg');

    expect(children.length).to.be.eql(0);
    Polymer.dom(document.body).appendChild(icon);
    Polymer.dom.flush();
    children = Polymer.dom(icon.root).querySelectorAll('img,svg');
    expect(children.length).to.be.eql(1);
  });
});

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');
    });
  });
});

suite('when switching between src and icon properties', function() {
  var icon;

  setup(function() {
    var elements = fixture('IconFromIconset');
    icon = elements[1];
  });

  test('will display the icon if both icon and src are set', function() {
    icon.src = '../demo/location.png';
    icon.icon = 'example:location';
    expect(hasIcon(icon)).to.be.true;
    expect(iconElementFor(icon)).to.not.exist;

    // Check if it works too it we change the affectation order
    icon.icon = 'example:location';
    icon.src = '../demo/location.png';
    expect(hasIcon(icon)).to.be.true;
    expect(iconElementFor(icon)).to.not.exist;
  });

  test('will display the icon when src is defined first and then reset', function() {
    icon.src = '../demo/location.png';
    icon.icon = null;
    icon.src = null;
    icon.icon = 'example:location';
    expect(hasIcon(icon)).to.be.true;
    expect(iconElementFor(icon)).to.not.exist;
  });

  test('will display the src when icon is defined first and then reset', function() {
    icon.src = null;
    icon.icon = 'example:location';
    icon.src = '../demo/location.png';
    icon.icon = null;
    expect(hasIcon(icon)).to.be.false;
    expect(iconElementFor(icon)).to.exist;
  });

  test('will display nothing if both properties are unset', function() {
    icon.src = '../demo/location.png';
    icon.icon = 'example:location';
    icon.src = null;
    icon.icon = null;
    expect(hasIcon(icon)).to.be.false;
    expect(iconElementFor(icon)).to.not.exist;
  });
});
suite('ancestor direct updates', function() {
  test('handle properties set before ready', function() {
    var holder = fixture('ParentForceUpdate');
  });
});

});

</script>

</body> </html>