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Copyright (C) 2016 The Android Open Source Project

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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-button</title>

<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<link rel="import" href="gr-button.html">

<script>void(0);</script>

<test-fixture id="basic">
  <template>
    <gr-button></gr-button>
  </template>
</test-fixture>

<script>
  suite('gr-select tests', () => {
    let element;
    let sandbox;

    const addSpyOn = function(eventName) {
      const spy = sandbox.spy();
      if (eventName == 'tap') {
        Polymer.Gestures.addListener(element, eventName, spy);
      } else {
        element.addEventListener(eventName, spy);
      }
      return spy;
    };

    setup(() => {
      element = fixture('basic');
      sandbox = sinon.sandbox.create();
    });

    teardown(() => {
      sandbox.restore();
    });

    test('disabled is set by disabled or loading', () => {
      assert.isFalse(element.$$('paper-button').disabled);
      element.disabled = true;
      assert.isTrue(element.$$('paper-button').disabled);
      element.disabled = false;
      assert.isFalse(element.$$('paper-button').disabled);
      element.loading = true;
      assert.isTrue(element.$$('paper-button').disabled);
    });

    test('tabindex should be -1 if disabled', () => {
      element.disabled = true;
      assert.isTrue(element.getAttribute('tabindex') === '-1');
    });

    // Regression tests for Issue: 11969
    test('tabindex should be reset to 0 if enabled', () => {
      element.disabled = false;
      assert.isTrue(element.getAttribute('tabindex') === '0');
      element.disabled = true;
      assert.isTrue(element.getAttribute('tabindex') === '-1');
      element.disabled = false;
      assert.isTrue(element.getAttribute('tabindex') === '0');
    });

    // 'tap' event is tested so we don't loose backward compatibility with older
    // plugins who didn't move to on-click which is faster and well supported.
    for (const eventName of ['tap', 'click']) {
      test('dispatches ' + eventName + ' event', () => {
        const spy = addSpyOn(eventName);
        MockInteractions.tap(element);
        assert.isTrue(spy.calledOnce);
      });
    }

    // Keycodes: 32 for Space, 13 for Enter.
    for (const key of [32, 13]) {
      test('dispatches click event on keycode ' + key, () => {
        const tapSpy = sandbox.spy();
        element.addEventListener('click', tapSpy);
        MockInteractions.pressAndReleaseKeyOn(element, key);
        assert.isTrue(tapSpy.calledOnce);
      });

      test('dispatches no click event with modifier on keycode ' + key, () => {
        const tapSpy = sandbox.spy();
        element.addEventListener('click', tapSpy);
        MockInteractions.pressAndReleaseKeyOn(element, key, 'shift');
        MockInteractions.pressAndReleaseKeyOn(element, key, 'ctrl');
        MockInteractions.pressAndReleaseKeyOn(element, key, 'meta');
        MockInteractions.pressAndReleaseKeyOn(element, key, 'alt');
        assert.isFalse(tapSpy.calledOnce);
      });
    }

    suite('disabled', () => {
      setup(() => {
        element.disabled = true;
      });

      for (const eventName of ['tap', 'click']) {
        test('stops ' + eventName + ' event', () => {
          const spy = addSpyOn(eventName);
          MockInteractions.tap(element);
          assert.isFalse(spy.called);
        });
      }

      // Keycodes: 32 for Space, 13 for Enter.
      for (const key of [32, 13]) {
        test('stops click event on keycode ' + key, () => {
          const tapSpy = sandbox.spy();
          element.addEventListener('click', tapSpy);
          MockInteractions.pressAndReleaseKeyOn(element, key);
          assert.isFalse(tapSpy.called);
        });
      }
    });
  });
</script>