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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<meta charset="utf-8">
<title>gr-change-star</title>

<script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/components/wct-browser-legacy/browser.js"></script>

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

<script type="module">
import '../../../test/common-test-setup.js';
import './gr-change-star.js';
suite('gr-change-star tests', () => {
  let element;

  setup(() => {
    element = fixture('basic');
    element.change = {
      _number: 2,
      starred: true,
    };
  });

  test('star visibility states', () => {
    element.set('change.starred', true);
    let icon = element.shadowRoot
        .querySelector('iron-icon');
    assert.isTrue(icon.classList.contains('active'));
    assert.equal(icon.icon, 'gr-icons:star');

    element.set('change.starred', false);
    icon = element.shadowRoot
        .querySelector('iron-icon');
    assert.isFalse(icon.classList.contains('active'));
    assert.equal(icon.icon, 'gr-icons:star-border');
  });

  test('starring', done => {
    element.addEventListener('toggle-star', () => {
      assert.equal(element.change.starred, true);
      done();
    });
    element.set('change.starred', false);
    MockInteractions.tap(element.shadowRoot
        .querySelector('button'));
  });

  test('unstarring', done => {
    element.addEventListener('toggle-star', () => {
      assert.equal(element.change.starred, false);
      done();
    });
    element.set('change.starred', true);
    MockInteractions.tap(element.shadowRoot
        .querySelector('button'));
  });
});
</script>