<!DOCTYPE html>
<!--
@license
Copyright (C) 2016 The Android Open Source Project

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->

<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="/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>