attr-for-selected.html 2.81 KB
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<html>
  <head>

    <title>iron-pages-attr-for-selected</title>
    <meta charset="utf-8">
    <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>

    <link rel="import" href="../iron-pages.html">
    <link rel="import" href="../../test-fixture/test-fixture.html">

  </head>
  <body>

    <test-fixture id="basic">
      <template>
        <iron-pages attr-for-selected="name" selected="page0">
          <div name="page0">Page 0</div>
          <div name="page1">Page 1</div>
          <div name="page2">Page 2</div>
          <div name="page3">Page 3</div>
        </iron-pages>
      </template>
    </test-fixture>

    <script>

      suite('basic', function() {
        var pages;

        suite('honor the selected attribute', function() {
          setup(function () {
            pages = fixture('basic');
          });

          test('selected value', function() {
            assert.equal(pages.selected, 'page0');
          });

          test('selected item', function() {
            assert.equal(pages.selectedItem, pages.items[0]);
          });

          test('selected item is display:block and all others are display:none', function() {
            pages.items.forEach(function(p) {
              assert.equal(getComputedStyle(p).display, p == pages.selectedItem ? 'block' : 'none');
            });
          });
        });

        suite('set selected attribute', function() {
          setup(function () {
            pages = fixture('basic');
            pages.selected = 'page2';
          });

          test('selected value', function() {
            assert.equal(pages.selected, 'page2');
          });

          test('selected item', function() {
            assert.equal(pages.selectedItem, pages.items[2]);
          });

          test('selected item is display:block and all others are display:none', function() {
            pages.items.forEach(function(p) {
              assert.equal(getComputedStyle(p).display, p == pages.selectedItem ? 'block' : 'none');
            });
          });
        });

      });

    </script>

  </body>
</html>