iron-iconset-svg.html 4.61 KB
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<html>
<head>

  <title>iron-iconset-svg</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-iconset-svg.html">
  <link rel="import" href="../../iron-meta/iron-meta.html">
  <link rel="import" href="../../promise-polyfill/promise-polyfill.html">
  <link rel="import" href="../../test-fixture/test-fixture.html">

</head>
<body>

  <test-fixture id="TrivialIconsetSvg">
    <template>
      <iron-iconset-svg name="foo"></iron-iconset-svg>
      <iron-meta type="iconset"></iron-meta>
    </template>
  </test-fixture>

  <test-fixture id="StandardIconsetSvg">
    <template>
      <iron-iconset-svg name="my-icons" size="20">
        <svg>
          <defs>
            <circle id="circle" cx="20" cy="20" r="10"></circle>
            <rect id="square" x="0" y="0" width="20" height="20"></rect>
            <symbol id="rect" viewBox="0 0 50 25">
              <rect x="0" y="0" width="50" height="25"></rect>
            </symbol>
          </defs>
        </svg>
      </iron-iconset-svg>
      <div></div>
    </template>
  </test-fixture>

  <script>

    suite('<iron-iconset>', function () {

      suite('basic behavior', function () {
        var iconset;
        var meta;
        var loadedPromise;

        setup(function () {
          loadedPromise = new Promise(function(resolve) {
            window.addEventListener('iron-iconset-added', function(ev) {
              if (ev && ev.detail === iconset) {
                resolve();
              }
            });
          });
          var elements = fixture('TrivialIconsetSvg');
          iconset = elements[0];
          meta = elements[1];
        });

        test('it can be accessed via iron-meta', function () {
          expect(meta.byKey('foo')).to.be.equal(iconset);
        });

        test('it does not have a size', function () {
          var rect = iconset.getBoundingClientRect();
          expect(rect.width).to.be.equal(0);
          expect(rect.height).to.be.equal(0);
        });

        test('it fires an iron-iconset-added event on the window', function() {
          return loadedPromise;
        });
      });

      suite('when paired with a size and SVG definition', function () {
        var iconset;
        var div;

        setup(function () {
          var elements = fixture('StandardIconsetSvg');
          iconset = elements[0];
          div = elements[1];
        });

        test('it does not have a size', function () {
          var rect = iconset.getBoundingClientRect();
          expect(rect.width).to.be.equal(0);
          expect(rect.height).to.be.equal(0);
        });
        
        test('appends a child to the target element', function () {
          expect(div.firstElementChild).to.not.be.ok;
          iconset.applyIcon(div, 'circle');
          expect(div.firstElementChild).to.be.ok;
        });

        test('can be queried for all available icons', function () {
          expect(iconset.getIconNames()).to.deep.eql(['my-icons:circle', 'my-icons:square', 'my-icons:rect']);
        });

        test('supports any icon defined in the svg', function () {
          var lastSvgIcon;

          iconset.getIconNames().forEach(function (iconName) {
            iconset.applyIcon(div, iconName.split(':').pop());
            expect(div.firstElementChild).to.not.be.equal(lastSvgIcon);
            lastSvgIcon = div.firstElementChild;
          });
        });

        test('prefers a viewBox attribute over the iconset size', function () {
          iconset.applyIcon(div, 'rect');
          expect(div.firstElementChild.getAttribute('viewBox')).to.be.equal('0 0 50 25');
        });

        test('uses the iconset size when viewBox is not defined on the element', function () {
          iconset.applyIcon(div, 'circle');
          expect(div.firstElementChild.getAttribute('viewBox')).to.be.equal('0 0 20 20');
        });

      });

    });

  </script>

</body>
</html>