bower_components/iron-a11y-keys-behavior/test/basic-test.html

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<html>
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
  <title>iron-a11y-keys</title>
  <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="../../polymer/polymer.html">
  <link rel="import" href="../../test-fixture/test-fixture.html">
  <link rel="import" href="../iron-a11y-keys-behavior.html">
</head>
<body>
  <test-fixture id="BasicKeys">
    <template>
      <x-a11y-basic-keys></x-a11y-basic-keys>
    </template>
  </test-fixture>
  <test-fixture id="NonPropagatingKeys">
    <template>
      <x-a11y-basic-keys stop-keyboard-event-propagation></x-a11y-basic-keys>
    </template>
  </test-fixture>
  <test-fixture id="ComboKeys">
    <template>
      <x-a11y-combo-keys></x-a11y-combo-keys>
    </template>
  </test-fixture>
  <test-fixture id="AlternativeEventKeys">
    <template>
      <x-a11y-alternate-event-keys></x-a11y-alternate-event-keys>
    </template>
  </test-fixture>
  <test-fixture id="BehaviorKeys">
    <template>
      <x-a11y-behavior-keys></x-a11y-behavior-keys>
    </template>
  </test-fixture>
  <script>
suite('Polymer.IronA11yKeysBehavior', function() {
  var keys;
  suiteSetup(function() {
    var KeysTestBehavior = [Polymer.IronA11yKeysBehavior, {
      properties: {
        keyCount: {
          type: Number,
          value: 0
        }
      },
      _keyHandler: function(event) {
        this.keyCount++;
        this.lastEvent = event;
      },
      _preventDefaultHandler: function(event) {
        event.preventDefault();
      }
    }];
    Polymer({
      is: 'x-a11y-basic-keys',
      behaviors: [
        KeysTestBehavior
      ],
      keyBindings: {
        'space': '_keyHandler'
      }
    });
    Polymer({
      is: 'x-a11y-combo-keys',
      behaviors: [
        KeysTestBehavior
      ],
      keyBindings: {
        'ctrl+shift+a': '_keyHandler'
      }
    });
    Polymer({
      is: 'x-a11y-alternate-event-keys',
      behaviors: [
        KeysTestBehavior
      ],
      keyBindings: {
        'space:keyup': '_keyHandler'
      }
    });
    var XA11yBehavior = {
      keyBindings: {
        'enter': '_keyHandler'
      }
    };
    Polymer({
      is: 'x-a11y-behavior-keys',
      behaviors: [
        KeysTestBehavior,
        XA11yBehavior
      ],
      keyBindings: {
        'space': '_keyHandler',
        'enter': '_preventDefaultHandler'
      }
    });
  });
  suite('basic keys', function() {
    setup(function() {
      keys = fixture('BasicKeys');
    });
    test('trigger the handler when the specified key is pressed', function() {
      MockInteractions.pressSpace(keys);
      expect(keys.keyCount).to.be.equal(1);
    });
    test('do not trigger the handler for non-specified keys', function() {
      MockInteractions.pressEnter(keys);
      expect(keys.keyCount).to.be.equal(0);
    });
    test('can have bindings added imperatively', function() {
      keys.addOwnKeyBinding('enter', '_keyHandler');
      MockInteractions.pressEnter(keys);
      expect(keys.keyCount).to.be.equal(1);
      MockInteractions.pressSpace(keys);
      expect(keys.keyCount).to.be.equal(2);
    });
    test('can remove imperatively added bindings', function() {
      keys.addOwnKeyBinding('enter', '_keyHandler');
      keys.removeOwnKeyBindings();
      MockInteractions.pressEnter(keys);
      expect(keys.keyCount).to.be.equal(0);
      MockInteractions.pressSpace(keys);
      expect(keys.keyCount).to.be.equal(1);
    });
    test('allows propagation beyond the key combo handler', function() {
      var keySpy = sinon.spy();
      document.addEventListener('keydown', keySpy);
      MockInteractions.pressEnter(keys);
      expect(keySpy.callCount).to.be.equal(1);
    });
    suite('edge cases', function() {
      test('knows that `spacebar` is the same as `space`', function() {
        var event = new CustomEvent('keydown');
        event.key = 'spacebar';
        expect(keys.keyboardEventMatchesKeys(event, 'space')).to.be.equal(true);
      });
    });
    suite('matching keyboard events to keys', function() {
      test('can be done imperatively', function() {
        var event = new CustomEvent('keydown');
        event.keyCode = 65;
        expect(keys.keyboardEventMatchesKeys(event, 'a')).to.be.equal(true);
      });
      test('can be done with a provided keyboardEvent', function() {
        var event;
        MockInteractions.pressSpace(keys);
        event = keys.lastEvent;
        expect(event.detail.keyboardEvent).to.be.okay;
        expect(keys.keyboardEventMatchesKeys(event, 'space')).to.be.equal(true);
      });
      test('can handle variations in arrow key names', function() {
        var event = new CustomEvent('keydown');
        event.key = 'up';
        expect(keys.keyboardEventMatchesKeys(event, 'up')).to.be.equal(true);
        event.key = 'ArrowUp';
        expect(keys.keyboardEventMatchesKeys(event, 'up')).to.be.equal(true);
      });
    });
  });
  suite('combo keys', function() {
    setup(function() {
      keys = fixture('ComboKeys');
    });
    test('trigger the handler when the combo is pressed', function() {
      var event = new CustomEvent('keydown');
      event.ctrlKey = true;
      event.shiftKey = true;
      event.keyCode = event.code = 65;
      keys.dispatchEvent(event);
      expect(keys.keyCount).to.be.equal(1);
    });
  });
  suite('alternative event keys', function() {
    setup(function() {
      keys = fixture('AlternativeEventKeys');
    });
    test('trigger on the specified alternative keyboard event', function() {
      MockInteractions.keyDownOn(keys, 32);
      expect(keys.keyCount).to.be.equal(0);
      MockInteractions.keyUpOn(keys, 32);
      expect(keys.keyCount).to.be.equal(1);
    });
  });
  suite('behavior keys', function() {
    setup(function() {
      keys = fixture('BehaviorKeys');
    });
    test('bindings in other behaviors are transitive', function() {
      MockInteractions.pressEnter(keys);
      MockInteractions.pressSpace(keys);
      expect(keys.keyCount).to.be.equal(2);
    });
  });
  suite('stopping propagation automatically', function() {
    setup(function() {
      keys = fixture('NonPropagatingKeys');
    });
    test('does not propagate key events beyond the combo handler', function() {
      var keySpy = sinon.spy();
      document.addEventListener('keydown', keySpy);
      MockInteractions.pressEnter(keys);
      expect(keySpy.callCount).to.be.equal(0);
    });
  });
  suite('prevent default behavior of event', function() {
    setup(function() {
      keys = fixture('BehaviorKeys');
    });
    test('defaultPrevented is correctly set', function() {
      var keySpy = sinon.spy();
      document.addEventListener('keydown', keySpy);
      MockInteractions.pressEnter(keys);
      expect(keySpy.getCall(0).args[0].defaultPrevented).to.be.equal(true);
    });
  });
});
  </script>
</body>
</html>