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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-actions-js-api</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="../../../test/common-test-setup.html"/>
<!--
This must refer to the element this interface is wrapping around. Otherwise
breaking changes to gr-change-actions won’t be noticed.
-->
<link rel="import" href="../../change/gr-change-actions/gr-change-actions.html">

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

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

<script>
  suite('gr-js-api-interface tests', () => {
    let element;
    let changeActions;

    // Because deepEqual doesn’t behave in Safari.
    function assertArraysEqual(actual, expected) {
      assert.equal(actual.length, expected.length);
      for (let i = 0; i < actual.length; i++) {
        assert.equal(actual[i], expected[i]);
      }
    }

    setup(() => {
      element = fixture('basic');
      element.change = {};
      element._hasKnownChainState = false;
      let plugin;
      Gerrit.install(p => { plugin = p; }, '0.1',
          'http://test.com/plugins/testplugin/static/test.js');
      changeActions = plugin.changeActions();
    });

    teardown(() => {
      changeActions = null;
    });

    test('property existence', () => {
      const properties = [
        'ActionType',
        'ChangeActions',
        'RevisionActions',
      ];
      for (const p of properties) {
        assertArraysEqual(changeActions[p], element[p]);
      }
    });

    test('add/remove primary action keys', () => {
      element.primaryActionKeys = [];
      changeActions.addPrimaryActionKey('foo');
      assertArraysEqual(element.primaryActionKeys, ['foo']);
      changeActions.addPrimaryActionKey('foo');
      assertArraysEqual(element.primaryActionKeys, ['foo']);
      changeActions.addPrimaryActionKey('bar');
      assertArraysEqual(element.primaryActionKeys, ['foo', 'bar']);
      changeActions.removePrimaryActionKey('foo');
      assertArraysEqual(element.primaryActionKeys, ['bar']);
      changeActions.removePrimaryActionKey('baz');
      assertArraysEqual(element.primaryActionKeys, ['bar']);
      changeActions.removePrimaryActionKey('bar');
      assertArraysEqual(element.primaryActionKeys, []);
    });

    test('action buttons', done => {
      const key = changeActions.add(changeActions.ActionType.REVISION, 'Bork!');
      const handler = sinon.spy();
      changeActions.addTapListener(key, handler);
      flush(() => {
        MockInteractions.tap(element.$$('[data-action-key="' + key + '"]'));
        assert(handler.calledOnce);
        changeActions.removeTapListener(key, handler);
        MockInteractions.tap(element.$$('[data-action-key="' + key + '"]'));
        assert(handler.calledOnce);
        changeActions.remove(key);
        flush(() => {
          assert.isNull(element.$$('[data-action-key="' + key + '"]'));
          done();
        });
      });
    });

    test('action button properties', done => {
      const key = changeActions.add(changeActions.ActionType.REVISION, 'Bork!');
      flush(() => {
        const button = element.$$('[data-action-key="' + key + '"]');
        assert.isOk(button);
        assert.equal(button.getAttribute('data-label'), 'Bork!');
        assert.isNotOk(button.disabled);
        changeActions.setLabel(key, 'Yo');
        changeActions.setEnabled(key, false);
        flush(() => {
          assert.equal(button.getAttribute('data-label'), 'Yo');
          assert.isTrue(button.disabled);
          done();
        });
      });
    });

    test('hide action buttons', done => {
      const key = changeActions.add(changeActions.ActionType.REVISION, 'Bork!');
      flush(() => {
        const button = element.$$('[data-action-key="' + key + '"]');
        assert.isOk(button);
        assert.isFalse(button.hasAttribute('hidden'));
        changeActions.setActionHidden(
            changeActions.ActionType.REVISION, key, true);
        flush(() => {
          const button = element.$$('[data-action-key="' + key + '"]');
          assert.isNotOk(button);
          done();
        });
      });
    });

    test('move action button to overflow', done => {
      const key = changeActions.add(changeActions.ActionType.REVISION, 'Bork!');
      flush(() => {
        assert.isTrue(element.$.moreActions.hidden);
        assert.isOk(element.$$('[data-action-key="' + key + '"]'));
        changeActions.setActionOverflow(
            changeActions.ActionType.REVISION, key, true);
        flush(() => {
          assert.isNotOk(element.$$('[data-action-key="' + key + '"]'));
          assert.isFalse(element.$.moreActions.hidden);
          assert.strictEqual(element.$.moreActions.items[0].name, 'Bork!');
          done();
        });
      });
    });

    test('change actions priority', done => {
      const key1 =
          changeActions.add(changeActions.ActionType.REVISION, 'Bork!');
      const key2 =
          changeActions.add(changeActions.ActionType.CHANGE, 'Squanch?');
      flush(() => {
        let buttons =
            Polymer.dom(element.root).querySelectorAll('[data-action-key]');
        assert.equal(buttons[0].getAttribute('data-action-key'), key1);
        assert.equal(buttons[1].getAttribute('data-action-key'), key2);
        changeActions.setActionPriority(
            changeActions.ActionType.REVISION, key1, 10);
        flush(() => {
          buttons =
              Polymer.dom(element.root).querySelectorAll('[data-action-key]');
          assert.equal(buttons[0].getAttribute('data-action-key'), key2);
          assert.equal(buttons[1].getAttribute('data-action-key'), key1);
          done();
        });
      });
    });
  });
</script>