a11y.html 2.42 KB
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<html>
<head>
  <meta charset="UTF-8">
  <title>paper-slider a11y test</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-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>
  <script src="../../iron-test-helpers/mock-interactions.js"></script>

  <link rel="import" href="../paper-slider.html">
  <link rel="import" href="../../test-fixture/test-fixture.html">
</head>
<body>

  <test-fixture id="trivialSlider">
    <template>
      <paper-slider min="0" max="100" value="50"></paper-slider>
    </template>
  </test-fixture>

  <script>
    suite('a11y', function() {
      var slider;

      setup(function() {
        slider = fixture('trivialSlider');
      });

      test('has aria role "slider"', function() {
        assert.equal(slider.getAttribute('role'), 'slider');
        assert.equal(slider.getAttribute('aria-valuemin'), slider.min);
        assert.equal(slider.getAttribute('aria-valuemax'), slider.max);
        assert.equal(slider.getAttribute('aria-valuenow'), slider.value);
      });

      test('interacting without keyboard causes no ripple', function() {
        MockInteractions.down(slider.$.sliderKnob);
        assert.isTrue(slider.hasRipple());
        var ripple = slider.getRipple();
        assert.equal(ripple.offsetHeight, 0);
        assert.equal(ripple.offsetWidth, 0);
      });

      test('interacting with keyboard causes ripple', function() {
        MockInteractions.focus(slider);
        MockInteractions.pressSpace(slider.$.sliderKnob);
        assert.isTrue(slider.hasRipple());
        var ripple = slider.getRipple();
        assert.isAbove(ripple.offsetHeight, 0);
        assert.isAbove(ripple.offsetWidth, 0);
      });

      a11ySuite('trivialSlider');

    });

  </script>

</body>
</html>