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

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>

<link rel="import" href="../../../bower_components/iron-test-helpers/iron-test-helpers.html">
<link rel="import" href="gr-change-star.html">

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

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

<script>
  suite('gr-change-star tests', function() {
    var element;

    setup(function() {
      stub('gr-rest-api-interface', {
        saveChangeStarred: function() { return Promise.resolve({ok: true}); },
      });
      element = fixture('basic');
      element.change = {
        _number: 2,
        starred: true,
      };
    });

    test('star visibility states', function() {
      element.set('change.starred', true);
      assert.isTrue(element.$$('button').classList.contains('starButton'));
      assert.isTrue(
          element.$$('button').classList.contains('starButton-active'));

      element.set('change.starred', false);
      assert.isTrue(element.$$('button').classList.contains('starButton'));
      assert.isFalse(
          element.$$('button').classList.contains('starButton-active'));
    });

    test('starring', function(done) {
      element.set('change.starred', false);
      MockInteractions.tap(element.$$('button'));

      element._xhrPromise.then(function(req) {
        assert.equal(element.change.starred, true);
        done();
      });
    });

    test('unstarring', function(done) {
      element.set('change.starred', true);
      MockInteractions.tap(element.$$('button'));

      element._xhrPromise.then(function(req) {
        assert.equal(element.change.starred, false);
        done();
      });
    });
  });
</script>