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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-list</title>

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<script src="../../../bower_components/page/page.js"></script>
<script src="../../../test/fake-app.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-change-list.html">

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

<test-fixture id="grouped">
  <template>
    <gr-change-list></gr-change-list>
  </template>
</test-fixture>

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

    setup(function() {
      element = fixture('basic');
    });

    test('computed fields', function() {
      assert.equal(element._computeLabelNames(
          [[{_number: 0, labels: {}}]]).length, 0);
      assert.equal(element._computeLabelNames([[
            {_number: 0, labels: {Verified: {approved: {}}}},
            {_number: 1, labels: {
              Verified: {approved: {}}, 'Code-Review': {approved: {}}}},
            {_number: 2, labels: {
              Verified: {approved: {}}, 'Library-Compliance': {approved: {}}}},
          ]]).length, 3);

      assert.equal(element._computeLabelShortcut('Code-Review'), 'CR');
      assert.equal(element._computeLabelShortcut('Verified'), 'V');
      assert.equal(element._computeLabelShortcut('Library-Compliance'), 'LC');
      assert.equal(element._computeLabelShortcut(
          'Some-Special-Label-7'), 'SSL7');
    });

    test('keyboard shortcuts', function(done) {
      element.selectedIndex = 0;
      element.changes = [
        {_number: 0},
        {_number: 1},
        {_number: 2},
      ];
      flushAsynchronousOperations();
      var elementItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(elementItems.length, 3);

      flush(function() {
        assert.isTrue(elementItems[0].selected);
        MockInteractions.pressAndReleaseKeyOn(element, 74);  // 'j'
        assert.equal(element.selectedIndex, 1);
        MockInteractions.pressAndReleaseKeyOn(element, 74);  // 'j'

        var showStub = sinon.stub(page, 'show');
        assert.equal(element.selectedIndex, 2);
        MockInteractions.pressAndReleaseKeyOn(element, 13);  // 'enter'
        assert(showStub.lastCall.calledWithExactly('/c/2/'),
            'Should navigate to /c/2/');

        MockInteractions.pressAndReleaseKeyOn(element, 75);  // 'k'
        assert.equal(element.selectedIndex, 1);
        MockInteractions.pressAndReleaseKeyOn(element, 13);  // 'enter'
        assert(showStub.lastCall.calledWithExactly('/c/1/'),
            'Should navigate to /c/1/');

        MockInteractions.pressAndReleaseKeyOn(element, 75);  // 'k'
        MockInteractions.pressAndReleaseKeyOn(element, 75);  // 'k'
        MockInteractions.pressAndReleaseKeyOn(element, 75);  // 'k'
        assert.equal(element.selectedIndex, 0);

        showStub.restore();
        done();
      });
    });

    test('changes needing review', function() {
      element.changes = [
        {
          _number: 0,
          reviewed: true,
          owner: { _account_id: 0 },
        },
        {
          _number: 1,
          owner: { _account_id: 0 },
        },
        {
          _number: 2,
          status: 'MERGED',
          owner: { _account_id: 0 },
        },
        {
          _number: 3,
          owner: { _account_id: 42 },
        }
      ];
      flushAsynchronousOperations();
      var elementItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(elementItems.length, 4);
      for (var i = 0; i < elementItems.length; i++) {
        assert.isFalse(elementItems[i].hasAttribute('needs-review'));
      }

      element.showReviewedState = true;
      var elementItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(elementItems.length, 4);
      assert.isFalse(elementItems[0].hasAttribute('needs-review'));
      assert.isTrue(elementItems[1].hasAttribute('needs-review'));
      assert.isFalse(elementItems[2].hasAttribute('needs-review'));
      assert.isTrue(elementItems[3].hasAttribute('needs-review'));

      element.account = { _account_id: 42 };
      var elementItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(elementItems.length, 4);
      assert.isFalse(elementItems[0].hasAttribute('needs-review'));
      assert.isTrue(elementItems[1].hasAttribute('needs-review'));
      assert.isFalse(elementItems[2].hasAttribute('needs-review'));
      assert.isFalse(elementItems[3].hasAttribute('needs-review'));
    });

    test('no changes', function() {
      element.changes = [];
      flushAsynchronousOperations();
      var listItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(listItems.length, 0);
      var noChangesMsg = Polymer.dom(element.root).querySelector('.noChanges');
      assert.ok(noChangesMsg);
    });

    test('empty groups', function() {
      element.groups = [[], []];
      flushAsynchronousOperations();
      var listItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(listItems.length, 0);
      var noChangesMsg = Polymer.dom(element.root).querySelectorAll(
          '.noChanges');
      assert.equal(noChangesMsg.length, 2);
    });
  });

  suite('gr-change-list groups', function() {
    var element;

    setup(function() {
      element = fixture('basic');
    });

    test('keyboard shortcuts', function() {
      element.selectedIndex = 0;
      element.groups = [
        [
          {_number: 0},
          {_number: 1},
          {_number: 2},
        ],
        [
          {_number: 3},
          {_number: 4},
          {_number: 5},
        ],
        [
          {_number: 6},
          {_number: 7},
          {_number: 8},
        ]
      ];
      element.groupTitles = ['Group 1', 'Group 2', 'Group 3'];
      flushAsynchronousOperations();
      var elementItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(elementItems.length, 9);

      MockInteractions.pressAndReleaseKeyOn(element, 74);  // 'j'
      assert.equal(element.selectedIndex, 1);
      MockInteractions.pressAndReleaseKeyOn(element, 74);  // 'j'

      var showStub = sinon.stub(page, 'show');
      assert.equal(element.selectedIndex, 2);
      MockInteractions.pressAndReleaseKeyOn(element, 13);  // 'enter'
      assert(showStub.lastCall.calledWithExactly('/c/2/'),
          'Should navigate to /c/2/');

      MockInteractions.pressAndReleaseKeyOn(element, 75);  // 'k'
      assert.equal(element.selectedIndex, 1);
      MockInteractions.pressAndReleaseKeyOn(element, 13);  // 'enter'
      assert(showStub.lastCall.calledWithExactly('/c/1/'),
          'Should navigate to /c/1/');

      MockInteractions.pressAndReleaseKeyOn(element, 74);  // 'j'
      MockInteractions.pressAndReleaseKeyOn(element, 74);  // 'j'
      MockInteractions.pressAndReleaseKeyOn(element, 74);  // 'j'
      assert.equal(element.selectedIndex, 4);
      MockInteractions.pressAndReleaseKeyOn(element, 13);  // 'enter'
      assert(showStub.lastCall.calledWithExactly('/c/4/'),
          'Should navigate to /c/4/');
      showStub.restore();
    });

  });
</script>