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<meta charset="UTF-8">
<title>paper-menu-button basic tests</title>
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<script src="../../test-fixture/test-fixture-mocha.js"></script>
<script src="../../iron-test-helpers/mock-interactions.js"></script>

<link rel="import" href="../paper-menu-button.html">
<link rel="import" href="../../test-fixture/test-fixture.html">

</head> <body>

<test-fixture id="TrivialMenuButton">
  <template>
    <paper-menu-button no-animations>
      <span class="dropdown-trigger">trigger</span>
      <span class="dropdown-content">content</span>
    </paper-menu-button>
  </template>
</test-fixture>

<test-fixture id="TwoMenuButtons">
  <template>
    <paper-menu-button no-animations>
      <span class="dropdown-trigger">trigger</span>
      <span class="dropdown-content">content</span>
    </paper-menu-button>
    <paper-menu-button no-animations>
      <span class="dropdown-trigger">trigger</span>
      <span class="dropdown-content">content</span>
    </paper-menu-button>
  </template>
</test-fixture>

<script>
  suite('<paper-menu-button>', function() {
    var menuButton;
    var trigger;
    var content;

    setup(function() {
      menuButton = fixture('TrivialMenuButton');
      trigger = Polymer.dom(menuButton).querySelector('.dropdown-trigger');
      content = Polymer.dom(menuButton).querySelector('.dropdown-content');
    });

    test('opens when trigger is clicked', function(done) {
      var contentRect;

      contentRect = content.getBoundingClientRect();

      expect(contentRect.width).to.be.equal(0);
      expect(contentRect.height).to.be.equal(0);

      menuButton.addEventListener('paper-dropdown-open', function() {
        expect(menuButton.opened).to.be.equal(true);
        done();
      });

      MockInteractions.tap(trigger);
    });

    test('closes when trigger is clicked again', function(done) {
      menuButton.addEventListener('paper-dropdown-open', function() {
        menuButton.addEventListener('paper-dropdown-close', function() {
          expect(menuButton.opened).to.be.equal(false);
          done();
        });

        Polymer.Base.async(function() {
          MockInteractions.tap(trigger);
        });
      });

      MockInteractions.tap(trigger);
    });

    test('closes when disabled while open', function() {
      var contentRect;

      menuButton.opened = true;
      menuButton.disabled = true;

      expect(menuButton.opened).to.be.equal(false);

      contentRect = content.getBoundingClientRect();
      expect(contentRect.width).to.be.equal(0);
      expect(contentRect.height).to.be.equal(0);
    });

    test('has aria-haspopup attribute', function() {
      expect(menuButton.hasAttribute('aria-haspopup')).to.be.equal(true);
    });

    test('closes on iron-activate if close-on-activate is true', function(done) {
      menuButton.closeOnActivate = true;

      menuButton.addEventListener('paper-dropdown-open', function() {
        menuButton.addEventListener('paper-dropdown-close', function() {
          done();
        });

        content.dispatchEvent(new CustomEvent('iron-activate', {
          bubbles: true,
          cancelable: true
        }));
      });

      MockInteractions.tap(trigger);
    });

    test('allowOutsideScroll propagates to <iron-dropdown>', function() {
      menuButton.allowOutsideScroll = false;
      expect(menuButton.$.dropdown.allowOutsideScroll).to.be.equal(false);
      menuButton.allowOutsideScroll = true;
      expect(menuButton.$.dropdown.allowOutsideScroll).to.be.equal(true);
    });

    test('restoreFocusOnClose propagates to <iron-dropdown>', function() {
      menuButton.restoreFocusOnClose = false;
      expect(menuButton.$.dropdown.restoreFocusOnClose).to.be.equal(false);
      menuButton.restoreFocusOnClose = true;
      expect(menuButton.$.dropdown.restoreFocusOnClose).to.be.equal(true);
    });

  });

  suite('when there are two buttons', function() {
    var menuButton;
    var trigger;
    var otherButton;
    var otherTrigger;

    setup(function() {
      var buttons = fixture('TwoMenuButtons');
      menuButton = buttons[0];
      otherButton = buttons[1];
      trigger = Polymer.dom(menuButton).querySelector('.dropdown-trigger');
      otherTrigger = Polymer.dom(otherButton).querySelector('.dropdown-trigger');
    });

    test('closes current and opens other', function(done) {
      expect(menuButton.opened).to.be.equal(false);
      expect(otherButton.opened).to.be.equal(false);

      /*
        NOTE: iron-overlay-behavior adds listeners asynchronously when the
        overlay opens, so we need to wait for this event which is a
        more-explicit signal that tells us that the overlay is really opened.
       */
      menuButton.addEventListener('iron-overlay-opened', function() {
        expect(menuButton.opened).to.be.equal(true);
        expect(otherButton.opened).to.be.equal(false);

        var firstClosed = false;
        var secondOpened = false;

        menuButton.addEventListener('paper-dropdown-close', function() {
          firstClosed = true;
        });

        otherButton.addEventListener('paper-dropdown-open', function() {
          secondOpened = true;
        });

        Polymer.Base.async(function() {
          MockInteractions.tap(otherTrigger);
        });

        Polymer.Base.async(function() {
          expect(firstClosed).to.be.equal(true);
          expect(secondOpened).to.be.equal(true);

          done();
        });
      });

      MockInteractions.tap(trigger);
    });
  });
</script>

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