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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>

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

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

<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', () => {
    let element;

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

    function stubRestAPI(preferences) {
      const loggedInPromise = Promise.resolve(preferences !== null);
      const preferencesPromise = Promise.resolve(preferences);
      stub('gr-rest-api-interface', {
        getLoggedIn: sinon.stub().returns(loggedInPromise),
        getPreferences: sinon.stub().returns(preferencesPromise),
      });
      return Promise.all([loggedInPromise, preferencesPromise]);
    }

    suite('test show change number not logged in', () => {
      setup(() => {
        return stubRestAPI(null).then(() => {
          element = fixture('basic');
          return element._loadPreferences();
        });
      });

      test('show number disabled', () => {
        assert.isFalse(element.showNumber);
      });
    });

    suite('test show change number preference enabled', () => {
      setup(() => {
        return stubRestAPI({legacycid_in_change_table: true,
          time_format: 'HHMM_12',
          change_table: [],
        }).then(() => {
          element = fixture('basic');
          return element._loadPreferences();
        });
      });

      test('show number enabled', () => {
        assert.isTrue(element.showNumber);
      });
    });

    suite('test show change number preference disabled', () => {
      setup(() => {
        // legacycid_in_change_table is not set when false.
        return stubRestAPI({time_format: 'HHMM_12', change_table: []}).then(
            () => {
              element = fixture('basic');
              return element._loadPreferences();
            });
      });

      test('show number disabled', () => {
        assert.isFalse(element.showNumber);
      });
    });

    test('computed fields', () => {
      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('colspans', () => {
      const thItemCount = Polymer.dom(element.root).querySelectorAll(
          'th').length;

      const changeTableColumns = [];
      const labelNames = [];
      assert.equal(thItemCount, element._computeColspan(
          changeTableColumns, labelNames));
    });

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

      flush(() => {
        assert.isTrue(elementItems[0].hasAttribute('selected'));
        MockInteractions.pressAndReleaseKeyOn(element, 74, null, 'j');
        assert.equal(element.selectedIndex, 1);
        MockInteractions.pressAndReleaseKeyOn(element, 74, null, 'j');

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

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

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

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

    test('changes needing review', () => {
      element.changes = [
        {
          _number: 0,
          status: 'NEW',
          reviewed: true,
          owner: {_account_id: 0},
        },
        {
          _number: 1,
          status: 'NEW',
          owner: {_account_id: 0},
        },
        {
          _number: 2,
          status: 'MERGED',
          owner: {_account_id: 0},
        },
        {
          _number: 3,
          status: 'DRAFT',
          owner: {_account_id: 42},
        },
        {
          _number: 4,
          status: 'ABANDONED',
          owner: {_account_id: 0},
        },
      ];
      flushAsynchronousOperations();
      let elementItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(elementItems.length, 5);
      for (let i = 0; i < elementItems.length; i++) {
        assert.isFalse(elementItems[i].hasAttribute('needs-review'));
      }

      element.showReviewedState = true;
      elementItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(elementItems.length, 5);
      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'));
      assert.isFalse(elementItems[4].hasAttribute('needs-review'));

      element.account = {_account_id: 42};
      elementItems = Polymer.dom(element.root).querySelectorAll(
          'gr-change-list-item');
      assert.equal(elementItems.length, 5);
      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'));
      assert.isFalse(elementItems[4].hasAttribute('needs-review'));
    });

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

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

    suite('empty column preference', () => {
      let element;

      setup(() =>
        stubRestAPI({
          legacycid_in_change_table: true,
          time_format: 'HHMM_12',
          change_table: [],
        }).then(() => {
          element = fixture('basic');
          return element._loadPreferences();
        })
      );

      test('show number enabled', () => {
        assert.isTrue(element.showNumber);
      });

      test('all columns visible', () => {
        for (const column of element.columnNames) {
          const elementClass = '.' + element._lowerCase(column);
          assert.isFalse(element.$$(elementClass).hidden);
        }
      });
    });

    suite('full column preference', () => {
      let element;

      setup(() => {
        return stubRestAPI({
          legacycid_in_change_table: true,
          time_format: 'HHMM_12',
          change_table: [
            'Subject',
            'Status',
            'Owner',
            'Project',
            'Branch',
            'Updated',
            'Size',
          ],
        }).then(() => {
          element = fixture('basic');
          return element._loadPreferences();
        });
      });

      test('all columns visible', () => {
        for (const column of element.changeTableColumns) {
          const elementClass = '.' + element._lowerCase(column);
          assert.isFalse(element.$$(elementClass).hidden);
        }
      });
    });

    suite('partial column preference', () => {
      let element;

      setup(() => {
        return stubRestAPI({
          legacycid_in_change_table: true,
          time_format: 'HHMM_12',
          change_table: [
            'Subject',
            'Status',
            'Owner',
            'Branch',
            'Updated',
            'Size',
          ],
        }).then(() => {
          element = fixture('basic');
          return element._loadPreferences();
        });
      });

      test('all columns except project visible', () => {
        for (const column of element.changeTableColumns) {
          const elementClass = '.' + column.toLowerCase();
          if (column === 'Project') {
            assert.isTrue(element.$$(elementClass).hidden);
          } else {
            assert.isFalse(element.$$(elementClass).hidden);
          }
        }
      });
    });

    suite('random column does not exist', () => {
      let element;

      /* This would only exist if somebody manually updated the config
      file. */
      setup(() => {
        return stubRestAPI({
          legacycid_in_change_table: true,
          time_format: 'HHMM_12',
          change_table: [
            'Bad',
          ],
        }).then(() => {
          element = fixture('basic');
          return element._loadPreferences();
        });
      });

      test('bad column does not exist', () => {
        const elementClass = '.bad';
        assert.isNotOk(element.$$(elementClass));
      });
    });
  });

  suite('gr-change-list groups', () => {
    let element;

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

    test('keyboard shortcuts', () => {
      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();
      const 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'

      const 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();
    });

    test('assigned attribute set in each item', () => {
      element.changes = [
        {
          _number: 0,
          status: 'NEW',
          owner: {_account_id: 0},
        },
        {
          _number: 1,
          status: 'DRAFT',
          owner: {_account_id: 42},
        },
        {
          _number: 2,
          status: 'ABANDONED',
          owner: {_account_id: 0},
        },
      ];
      element.account = {_account_id: 42};
      flushAsynchronousOperations();
      const items = element._getListItems();
      assert.equal(items.length, 3);
      for (let i = 0; i < items.length; i++) {
        assert.equal(items[i].hasAttribute('assigned'),
            items[i]._account_id === element.account._account_id);
      }
    });
  });
</script>