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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-related-changes-list</title>
<script src="/test/common-test-setup.js"></script>
<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<link rel="import" href="gr-related-changes-list.html">

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

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

<script>
  suite('gr-related-changes-list tests', () => {
    let element;
    let sandbox;

    setup(() => {
      element = fixture('basic');
      sandbox = sinon.sandbox.create();
    });

    teardown(() => {
      sandbox.restore();
    });

    test('connected revisions', () => {
      const change = {
        revisions: {
          'e3c6d60783bfdec9ebae7dcfec4662360433449e': {
            _number: 1,
          },
          '26e5e4c9c7ae31cbd876271cca281ce22b413997': {
            _number: 2,
          },
          'bf7884d695296ca0c91702ba3e2bc8df0f69a907': {
            _number: 7,
          },
          'b5fc49f2e67d1889d5275cac04ad3648f2ec7fe3': {
            _number: 5,
          },
          'd6bcee67570859ccb684873a85cf50b1f0e96fda': {
            _number: 6,
          },
          'cc960918a7f90388f4a9e05753d0f7b90ad44546': {
            _number: 3,
          },
          '9e593f6dcc2c0785a2ad2c895a34ad2aa9a0d8b6': {
            _number: 4,
          },
        },
      };
      let patchNum = 7;
      let relatedChanges = [
        {
          commit: {
            commit: '2cebeedfb1e80f4b872d0a13ade529e70652c0c8',
            parents: [
              {
                commit: '87ed20b241576b620bbaa3dfd47715ce6782b7dd',
              },
            ],
          },
        },
        {
          commit: {
            commit: '87ed20b241576b620bbaa3dfd47715ce6782b7dd',
            parents: [
              {
                commit: '6c71f9e86ba955a7e01e2088bce0050a90eb9fbb',
              },
            ],
          },
        },
        {
          commit: {
            commit: '6c71f9e86ba955a7e01e2088bce0050a90eb9fbb',
            parents: [
              {
                commit: 'b0ccb183494a8e340b8725a2dc553967d61e6dae',
              },
            ],
          },
        },
        {
          commit: {
            commit: 'b0ccb183494a8e340b8725a2dc553967d61e6dae',
            parents: [
              {
                commit: 'bf7884d695296ca0c91702ba3e2bc8df0f69a907',
              },
            ],
          },
        },
        {
          commit: {
            commit: 'bf7884d695296ca0c91702ba3e2bc8df0f69a907',
            parents: [
              {
                commit: '613bc4f81741a559c6667ac08d71dcc3348f73ce',
              },
            ],
          },
        },
        {
          commit: {
            commit: '613bc4f81741a559c6667ac08d71dcc3348f73ce',
            parents: [
              {
                commit: '455ed9cd27a16bf6991f04dcc57ef575dc4d5e75',
              },
            ],
          },
        },
      ];

      let connectedChanges =
          element._computeConnectedRevisions(change, patchNum, relatedChanges);
      assert.deepEqual(connectedChanges, [
        '613bc4f81741a559c6667ac08d71dcc3348f73ce',
        'bf7884d695296ca0c91702ba3e2bc8df0f69a907',
        'bf7884d695296ca0c91702ba3e2bc8df0f69a907',
        'b0ccb183494a8e340b8725a2dc553967d61e6dae',
        '6c71f9e86ba955a7e01e2088bce0050a90eb9fbb',
        '87ed20b241576b620bbaa3dfd47715ce6782b7dd',
        '2cebeedfb1e80f4b872d0a13ade529e70652c0c8',
      ]);

      patchNum = 4;
      relatedChanges = [
        {
          commit: {
            commit: '2cebeedfb1e80f4b872d0a13ade529e70652c0c8',
            parents: [
              {
                commit: '87ed20b241576b620bbaa3dfd47715ce6782b7dd',
              },
            ],
          },
        },
        {
          commit: {
            commit: '87ed20b241576b620bbaa3dfd47715ce6782b7dd',
            parents: [
              {
                commit: '6c71f9e86ba955a7e01e2088bce0050a90eb9fbb',
              },
            ],
          },
        },
        {
          commit: {
            commit: '6c71f9e86ba955a7e01e2088bce0050a90eb9fbb',
            parents: [
              {
                commit: 'b0ccb183494a8e340b8725a2dc553967d61e6dae',
              },
            ],
          },
        },
        {
          commit: {
            commit: 'a3e5d9d4902b915a39e2efba5577211b9b3ebe7b',
            parents: [
              {
                commit: '9e593f6dcc2c0785a2ad2c895a34ad2aa9a0d8b6',
              },
            ],
          },
        },
        {
          commit: {
            commit: '9e593f6dcc2c0785a2ad2c895a34ad2aa9a0d8b6',
            parents: [
              {
                commit: 'af815dac54318826b7f1fa468acc76349ffc588e',
              },
            ],
          },
        },
        {
          commit: {
            commit: 'af815dac54318826b7f1fa468acc76349ffc588e',
            parents: [
              {
                commit: '58f76e406e24cb8b0f5d64c7f5ac1e8616d0a22c',
              },
            ],
          },
        },
      ];

      connectedChanges =
          element._computeConnectedRevisions(change, patchNum, relatedChanges);
      assert.deepEqual(connectedChanges, [
        'af815dac54318826b7f1fa468acc76349ffc588e',
        '9e593f6dcc2c0785a2ad2c895a34ad2aa9a0d8b6',
        '9e593f6dcc2c0785a2ad2c895a34ad2aa9a0d8b6',
        'a3e5d9d4902b915a39e2efba5577211b9b3ebe7b',
      ]);
    });

    test('_computeChangeContainerClass', () => {
      const change1 = {change_id: 123, _number: 0};
      const change2 = {change_id: 456, _change_number: 1};
      const change3 = {change_id: 123, _number: 2};

      assert.notEqual(element._computeChangeContainerClass(
          change1, change1).indexOf('thisChange'), -1);
      assert.equal(element._computeChangeContainerClass(
          change1, change2).indexOf('thisChange'), -1);
      assert.equal(element._computeChangeContainerClass(
          change1, change3).indexOf('thisChange'), -1);
    });

    test('_changesEqual', () => {
      const change1 = {change_id: 123, _number: 0};
      const change2 = {change_id: 456, _number: 1};
      const change3 = {change_id: 123, _number: 2};
      const change4 = {change_id: 123, _change_number: 1};

      assert.isTrue(element._changesEqual(change1, change1));
      assert.isFalse(element._changesEqual(change1, change2));
      assert.isFalse(element._changesEqual(change1, change3));
      assert.isTrue(element._changesEqual(change2, change4));
    });

    test('_getChangeNumber', () => {
      const change1 = {change_id: 123, _number: 0};
      const change2 = {change_id: 456, _change_number: 1};
      assert.equal(element._getChangeNumber(change1), 0);
      assert.equal(element._getChangeNumber(change2), 1);
    });

    test('event for section loaded fires for each section ', () => {
      const loadedStub = sandbox.stub();
      element.patchNum = 7;
      element.change = {
        change_id: 123,
        status: 'NEW',
      };
      element.mergeable = true;
      element.addEventListener('new-section-loaded', loadedStub);
      sandbox.stub(element, '_getRelatedChanges')
          .returns(Promise.resolve({changes: []}));
      sandbox.stub(element, '_getSubmittedTogether')
          .returns(Promise.resolve());
      sandbox.stub(element, '_getCherryPicks')
          .returns(Promise.resolve());
      sandbox.stub(element, '_getConflicts')
          .returns(Promise.resolve());

      return element.reload().then(() => {
        assert.equal(loadedStub.callCount, 4);
      });
    });

    suite('_getConflicts resolves undefined', () => {
      let element;

      setup(() => {
        element = fixture('basic');

        sandbox.stub(element, '_getRelatedChanges')
            .returns(Promise.resolve({changes: []}));
        sandbox.stub(element, '_getSubmittedTogether')
            .returns(Promise.resolve());
        sandbox.stub(element, '_getCherryPicks')
            .returns(Promise.resolve());
        sandbox.stub(element, '_getConflicts')
            .returns(Promise.resolve());
      });

      test('_conflicts are an empty array', () => {
        element.patchNum = 7;
        element.change = {
          change_id: 123,
          status: 'NEW',
        };
        element.mergeable = true;
        element.reload();
        assert.equal(element._conflicts.length, 0);
      });
    });

    suite('get conflicts tests', () => {
      let element;
      let conflictsStub;

      setup(() => {
        element = fixture('basic');

        sandbox.stub(element, '_getRelatedChanges')
            .returns(Promise.resolve({changes: []}));
        sandbox.stub(element, '_getSubmittedTogether')
            .returns(Promise.resolve());
        sandbox.stub(element, '_getCherryPicks')
            .returns(Promise.resolve());
        conflictsStub = sandbox.stub(element, '_getConflicts')
            .returns(Promise.resolve());
      });

      test('request conflicts if open and mergeable', () => {
        element.patchNum = 7;
        element.change = {
          change_id: 123,
          status: 'NEW',
        };
        element.mergeable = true;
        element.reload();
        assert.isTrue(conflictsStub.called);
      });

      test('does not request conflicts if closed and mergeable', () => {
        element.patchNum = 7;
        element.change = {
          change_id: 123,
          status: 'MERGED',
        };
        element.reload();
        assert.isFalse(conflictsStub.called);
      });

      test('does not request conflicts if open and not mergeable', () => {
        element.patchNum = 7;
        element.change = {
          change_id: 123,
          status: 'NEW',
        };
        element.mergeable = false;
        element.reload();
        assert.isFalse(conflictsStub.called);
      });

      test('doesnt request conflicts if closed and not mergeable', () => {
        element.patchNum = 7;
        element.change = {
          change_id: 123,
          status: 'MERGED',
        };
        element.mergeable = false;
        element.reload();
        assert.isFalse(conflictsStub.called);
      });
    });

    test('_calculateHasParent', () => {
      const changeId = 123;
      const relatedChanges = [];

      assert.equal(element._calculateHasParent(changeId, relatedChanges),
          false);

      relatedChanges.push({change_id: 123});
      assert.equal(element._calculateHasParent(changeId, relatedChanges),
          false);

      relatedChanges.push({change_id: 234});
      assert.equal(element._calculateHasParent(changeId, relatedChanges),
          true);
    });

    suite('hidden attribute and update event', () => {
      const changes = [{
        project: 'foo/bar',
        change_id: 'Ideadbeef',
        commit: {
          commit: 'deadbeef',
          parents: [{commit: 'abc123'}],
          author: {},
          subject: 'do that thing',
        },
        _change_number: 12345,
        _revision_number: 1,
        _current_revision_number: 1,
        status: 'NEW',
      }];

      test('clear and empties', () => {
        element._relatedResponse = {changes};
        element._submittedTogether = {changes};
        element._conflicts = changes;
        element._cherryPicks = changes;
        element._sameTopic = changes;

        element.hidden = false;
        element.clear();
        assert.isTrue(element.hidden);
        assert.equal(element._relatedResponse.changes.length, 0);
        assert.equal(element._submittedTogether.changes.length, 0);
        assert.equal(element._conflicts.length, 0);
        assert.equal(element._cherryPicks.length, 0);
        assert.equal(element._sameTopic.length, 0);
      });

      test('update fires', () => {
        const updateHandler = sandbox.stub();
        element.addEventListener('update', updateHandler);

        element._resultsChanged({}, {}, [], [], []);
        assert.isTrue(element.hidden);
        assert.isFalse(updateHandler.called);

        element._resultsChanged({}, {}, [], [], ['test']);
        assert.isFalse(element.hidden);
        assert.isTrue(updateHandler.called);
      });

      suite('hiding and unhiding', () => {
        test('related response', () => {
          assert.isTrue(element.hidden);
          element._resultsChanged({changes}, {}, [], [], []);
          assert.isFalse(element.hidden);
        });

        test('submitted together', () => {
          assert.isTrue(element.hidden);
          element._resultsChanged({}, {changes}, [], [], []);
          assert.isFalse(element.hidden);
        });

        test('conflicts', () => {
          assert.isTrue(element.hidden);
          element._resultsChanged({}, {}, changes, [], []);
          assert.isFalse(element.hidden);
        });

        test('cherrypicks', () => {
          assert.isTrue(element.hidden);
          element._resultsChanged({}, {}, [], changes, []);
          assert.isFalse(element.hidden);
        });

        test('same topic', () => {
          assert.isTrue(element.hidden);
          element._resultsChanged({}, {}, [], [], changes);
          assert.isFalse(element.hidden);
        });
      });
    });

    test('_computeChangeURL uses Gerrit.Nav', () => {
      const getUrlStub = sandbox.stub(Gerrit.Nav, 'getUrlForChangeById');
      element._computeChangeURL(123, 'abc/def', 12);
      assert.isTrue(getUrlStub.called);
    });

    suite('submitted together changes', () => {
      const change = {
        project: 'foo/bar',
        change_id: 'Ideadbeef',
        commit: {
          commit: 'deadbeef',
          parents: [{commit: 'abc123'}],
          author: {},
          subject: 'do that thing',
        },
        _change_number: 12345,
        _revision_number: 1,
        _current_revision_number: 1,
        status: 'NEW',
      };

      test('_computeSubmittedTogetherClass', () => {
        assert.strictEqual(
            element._computeSubmittedTogetherClass(undefined),
            'hidden');
        assert.strictEqual(
            element._computeSubmittedTogetherClass({changes: []}),
            'hidden');
        assert.strictEqual(
            element._computeSubmittedTogetherClass({changes: [{}]}),
            '');
        assert.strictEqual(
            element._computeSubmittedTogetherClass({
              changes: [],
              non_visible_changes: 0,
            }),
            'hidden');
        assert.strictEqual(
            element._computeSubmittedTogetherClass({
              changes: [],
              non_visible_changes: 1,
            }),
            '');
        assert.strictEqual(
            element._computeSubmittedTogetherClass({
              changes: [{}],
              non_visible_changes: 1,
            }),
            '');
      });

      test('no submitted together changes', () => {
        flushAsynchronousOperations();
        assert.include(element.$.submittedTogether.className, 'hidden');
      });

      test('no non-visible submitted together changes', () => {
        element._submittedTogether = {changes: [change]};
        flushAsynchronousOperations();
        assert.notInclude(element.$.submittedTogether.className, 'hidden');
        assert.isNull(element.$$('.note'));
      });

      test('no visible submitted together changes', () => {
        // Technically this should never happen, but worth asserting the logic.
        element._submittedTogether = {changes: [], non_visible_changes: 1};
        flushAsynchronousOperations();
        assert.notInclude(element.$.submittedTogether.className, 'hidden');
        assert.isNotNull(element.$$('.note'));
        assert.strictEqual(
            element.$$('.note').innerText, '(+ 1 non-visible change)');
      });

      test('visible and non-visible submitted together changes', () => {
        element._submittedTogether = {changes: [change], non_visible_changes: 2};
        flushAsynchronousOperations();
        assert.notInclude(element.$.submittedTogether.className, 'hidden');
        assert.isNotNull(element.$$('.note'));
        assert.strictEqual(
            element.$$('.note').innerText, '(+ 2 non-visible changes)');
      });
    });
  });
</script>