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

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

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

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

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

    setup(function() {
      element = fixture('basic');
      stub('gr-rest-api-interface', {
        getChangeSuggestedReviewers: function() {
          return Promise.resolve([
            {
              account: {
                _account_id: 1021482,
                name: 'Andrew Bonventre',
                email: 'andybons@chromium.org',
              }
            },
            {
              account: {
                _account_id: 1021863,
                name: 'Andrew Bonventre',
                email: 'andybons@google.com',
              }
            },
            {
              group: {
                id: 'c7af6dd375c092ff3b23c0937aa910693dc0c41b',
                name: 'andy',
              }
            }
          ]);
        },
        addChangeReviewer: function() {
          return Promise.resolve({
            ok: true,
            text: function() {
              return Promise.resolve(
                ')]}\'\n' +
                JSON.stringify({
                  reviewers: [{
                    _account_id: 1021482,
                    approvals: {
                      'Code-Review': ' 0'
                    },
                    email: 'andybons@chromium.org',
                    name: 'Andrew Bonventre',
                  }]
                })
              );
            },
          });
        },
        removeChangeReviewer: function() {
          return Promise.resolve({ok: true});
        },
      });
    });

    test('controls hidden on immutable element', function() {
      element.mutable = false;
      assert.isTrue(element.$$('.controlsContainer').hasAttribute('hidden'));
      element.mutable = true;
      assert.isFalse(element.$$('.controlsContainer').hasAttribute('hidden'));
    });

    function getActiveElement() {
      return document.activeElement.shadowRoot ?
          document.activeElement.shadowRoot.activeElement :
          document.activeElement;
    }

    test('show/hide input', function() {
      element.mutable = true;
      assert.isFalse(element.$$('.addReviewer').hasAttribute('hidden'));
      assert.isTrue(
          element.$$('.autocompleteContainer').hasAttribute('hidden'));
      assert.notEqual(getActiveElement().id, 'input');
      MockInteractions.tap(element.$$('.addReviewer'));
      assert.isTrue(element.$$('.addReviewer').hasAttribute('hidden'));
      assert.isFalse(
          element.$$('.autocompleteContainer').hasAttribute('hidden'));
      assert.equal(getActiveElement().id, 'input');
      MockInteractions.pressAndReleaseKeyOn(element, 27); // 'esc'
      assert.isFalse(element.$$('.addReviewer').hasAttribute('hidden'));
      assert.isTrue(
          element.$$('.autocompleteContainer').hasAttribute('hidden'));
      assert.equal(getActiveElement().id, 'addReviewer');
    });

    test('only show remove for removable reviewers', function() {
      element.mutable = true;
      element.change = {
        owner: {
          _account_id: 1,
        },
        reviewers: {
          'REVIEWER': [
            {
              _account_id: 2,
              name: 'Bojack Horseman',
              email: 'SecretariatRulez96@hotmail.com',
            },
            {
              _account_id: 3,
              name: 'Pinky Penguin',
            },
          ],
          'CC': [
            {
              _account_id: 4,
              name: 'Diane Nguyen',
              email: 'macarthurfellow2B@juno.com',
            },
          ]
        },
        removable_reviewers: [
          {
            _account_id: 3,
            name: 'Pinky Penguin',
          },
          {
            _account_id: 4,
            name: 'Diane Nguyen',
            email: 'macarthurfellow2B@juno.com',
          },
        ]
      };
      flushAsynchronousOperations();
      var chips =
          Polymer.dom(element.root).querySelectorAll('gr-account-chip');
      assert.equal(chips.length, 3);
      Array.from(chips).forEach(function(el) {
        var accountID = parseInt(el.getAttribute('data-account-id'), 10);
        assert.ok(accountID);

        var buttonEl = el.$$('gr-button');
        assert.isNotNull(buttonEl);
        if (accountID == 2) {
          assert.isTrue(buttonEl.hasAttribute('hidden'));
        } else {
          assert.isFalse(buttonEl.hasAttribute('hidden'));
        }
      });
    });

    test('autocomplete starts at >= 3 chars', function() {
      element._inputRequestTimeout = 0;
      element._mutable = true;
      var requestStub = sinon.stub(element, '_getSuggestedReviewers',
        function() {
          assert(false, '_getSuggestedReviewers should not be called for ' +
              'input lengths of less than 3 chars');
        }
      );
      element._inputVal = 'fo';
      flushAsynchronousOperations();
      requestStub.restore();
    });

    test('add/remove reviewer flow', function(done) {
      element.change = {
        _number: 42,
        reviewers: {},
        removable_reviewers: [],
        owner: {_account_id: 0},
      };
      element._inputRequestTimeout = 0;
      element._mutable = true;
      MockInteractions.tap(element.$$('.addReviewer'));
      flushAsynchronousOperations();
      element._inputVal = 'andy';

      element._lastAutocompleteRequest.then(function() {
        flushAsynchronousOperations();
        assert.isFalse(element.$$('.dropdown').hasAttribute('hidden'));
        var itemEls = Polymer.dom(element.root).querySelectorAll('.reviewer');
        assert.equal(itemEls.length, 3);
        assert.isTrue(itemEls[0].hasAttribute('selected'));
        assert.isFalse(itemEls[1].hasAttribute('selected'));

        MockInteractions.pressAndReleaseKeyOn(element, 40); // 'down'
        assert.isFalse(itemEls[0].hasAttribute('selected'));
        assert.isTrue(itemEls[1].hasAttribute('selected'));

        MockInteractions.pressAndReleaseKeyOn(element, 38); // 'up'
        assert.isTrue(itemEls[0].hasAttribute('selected'));
        assert.isFalse(itemEls[1].hasAttribute('selected'));

        MockInteractions.pressAndReleaseKeyOn(element, 27); // 'esc'
        assert.isTrue(element.$$('.dropdown').hasAttribute('hidden'));

        element._inputVal = 'andyb';
        element._lastAutocompleteRequest.then(function() {
          assert.isFalse(element.$$('.dropdown').hasAttribute('hidden'));
          var itemEls = Polymer.dom(element.root).querySelectorAll('.reviewer');
          assert.equal(itemEls.length, 3);
          assert.isTrue(itemEls[0].hasAttribute('selected'));
          assert.isFalse(itemEls[1].hasAttribute('selected'));
          MockInteractions.pressAndReleaseKeyOn(element, 13); // 'enter'
          assert.isTrue(element.disabled);

          element._xhrPromise.then(function() {
            assert.isFalse(element.disabled);
            flushAsynchronousOperations();
            var reviewerEls =
                Polymer.dom(element.root).querySelectorAll('.reviewer');
            assert.equal(reviewerEls.length, 1);
            MockInteractions.tap(element.$$('.reviewer').$$('gr-button'));
            flushAsynchronousOperations();
            assert.isTrue(element.disabled);

            element._xhrPromise.then(function() {
              flushAsynchronousOperations();
              assert.isFalse(element.disabled);
              var reviewerEls =
                  Polymer.dom(element.root).querySelectorAll('.reviewer');
              assert.equal(reviewerEls.length, 0);
              done();
            });
          });
        });
      });
    });
  });
</script>