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

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

<link rel="import" href="../../diff/gr-comment-api/gr-comment-api.html">
<link rel="import" href="../../shared/gr-rest-api-interface/mock-diff-response_test.html">
<link rel="import" href="gr-patch-range-select.html">

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

<dom-module id="comment-api-mock">
  <template>
    <gr-patch-range-select id="patchRange" auto
        change-comments="[[_changeComments]]"></gr-patch-range-select>
    <gr-comment-api id="commentAPI"></gr-comment-api>
  </template>
  <script src="../../diff/gr-comment-api/gr-comment-api-mock.js"></script>
</dom-module>

<test-fixture id="basic">
  <template>
    <comment-api-mock></comment-api-mock>
  </template>
</test-fixture>

<script>
  suite('gr-patch-range-select tests', () => {
    let element;
    let sandbox;
    let commentApiWrapper;

    setup(() => {
      sandbox = sinon.sandbox.create();

      stub('gr-rest-api-interface', {
        getDiffComments() { return Promise.resolve({}); },
        getDiffRobotComments() { return Promise.resolve({}); },
        getDiffDrafts() { return Promise.resolve({}); },
      });

      // Element must be wrapped in an element with direct access to the
      // comment API.
      commentApiWrapper = fixture('basic');
      element = commentApiWrapper.$.patchRange;

      // Stub methods on the changeComments object after changeComments has
      // been initalized.
      return commentApiWrapper.loadComments();
    });

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

    test('enabled/disabled options', () => {
      const patchRange = {
        basePatchNum: 'PARENT',
        patchNum: '3',
      };
      const sortedRevisions = [
        {_number: 3},
        {_number: element.EDIT_NAME, basePatchNum: 2},
        {_number: 2},
        {_number: 1},
      ];
      for (const patchNum of ['1', '2', '3']) {
        assert.isFalse(element._computeRightDisabled(patchRange.basePatchNum,
            patchNum, sortedRevisions));
      }
      for (const basePatchNum of ['1', '2']) {
        assert.isFalse(element._computeLeftDisabled(basePatchNum,
            patchRange.patchNum, sortedRevisions));
      }
      assert.isTrue(element._computeLeftDisabled('3', patchRange.patchNum));

      patchRange.basePatchNum = element.EDIT_NAME;
      assert.isTrue(element._computeLeftDisabled('3', patchRange.patchNum,
          sortedRevisions));
      assert.isTrue(element._computeRightDisabled(patchRange.basePatchNum, '1',
          sortedRevisions));
      assert.isTrue(element._computeRightDisabled(patchRange.basePatchNum, '2',
          sortedRevisions));
      assert.isFalse(element._computeRightDisabled(patchRange.basePatchNum, '3',
          sortedRevisions));
      assert.isTrue(element._computeRightDisabled(patchRange.basePatchNum,
          element.EDIT_NAME, sortedRevisions));
    });

    test('_computeBaseDropdownContent', () => {
      const availablePatches = [
        {num: 'edit'},
        {num: 3},
        {num: 2},
        {num: 1},
      ];
      const patchNum = 1;
      const sortedRevisions = [
        {_number: 3},
        {_number: element.EDIT_NAME, basePatchNum: 2},
        {_number: 2, description: 'description'},
        {_number: 1},
      ];
      const expectedResult = [
        {
          disabled: true,
          triggerText: 'Patchset edit',
          text: 'Patchset edit',
          mobileText: 'edit',
          bottomText: '',
          value: 'edit',
        },
        {
          disabled: true,
          triggerText: 'Patchset 3',
          text: 'Patchset 3',
          mobileText: '3',
          bottomText: '',
          value: 3,
        },
        {
          disabled: true,
          triggerText: 'Patchset 2',
          text: 'Patchset 2',
          mobileText: '2 description',
          bottomText: 'description',
          value: 2,
        },
        {
          disabled: true,
          triggerText: 'Patchset 1',
          text: 'Patchset 1',
          mobileText: '1',
          bottomText: '',
          value: 1,
        },
        {
          text: 'Base',
          value: 'PARENT',
        },
      ];
      assert.deepEqual(element._computeBaseDropdownContent(availablePatches,
          patchNum, sortedRevisions, element.changeComments),
          expectedResult);
    });

    test('_computeBaseDropdownContent called when patchNum updates', () => {
      element.revisions = [
        {commit: {}},
        {commit: {}},
        {commit: {}},
        {commit: {}},
      ];
      element.availablePatches = [
        {num: 1},
        {num: 2},
        {num: 3},
        {num: 'edit'},
      ];
      element.patchNum = 2;
      element.basePatchNum = 'PARENT';
      flushAsynchronousOperations();

      sandbox.stub(element, '_computeBaseDropdownContent');

      // Should be recomputed for each available patch
      element.set('patchNum', 1);
      assert.equal(element._computeBaseDropdownContent.callCount, 1);
    });

    test('_computeBaseDropdownContent called when changeComments update',
        done => {
          element.revisions = [
        {commit: {}},
        {commit: {}},
        {commit: {}},
        {commit: {}},
          ];
          element.availablePatches = [
        {num: 'edit'},
        {num: 3},
        {num: 2},
        {num: 1},
          ];
          element.patchNum = 2;
          element.basePatchNum = 'PARENT';
          flushAsynchronousOperations();

          // Should be recomputed for each available patch
          sandbox.stub(element, '_computeBaseDropdownContent');
          assert.equal(element._computeBaseDropdownContent.callCount, 0);
          commentApiWrapper.loadComments().then().then(() => {
            assert.equal(element._computeBaseDropdownContent.callCount, 1);
            done();
          });
        });

    test('_computePatchDropdownContent called when basePatchNum updates', () => {
      element.revisions = [
        {commit: {}},
        {commit: {}},
        {commit: {}},
        {commit: {}},
      ];
      element.availablePatches = [
        {num: 1},
        {num: 2},
        {num: 3},
        {num: 'edit'},
      ];
      element.patchNum = 2;
      element.basePatchNum = 'PARENT';
      flushAsynchronousOperations();

      // Should be recomputed for each available patch
      sandbox.stub(element, '_computePatchDropdownContent');
      element.set('basePatchNum', 1);
      assert.equal(element._computePatchDropdownContent.callCount, 1);
    });

    test('_computePatchDropdownContent called when comments update', done => {
      element.revisions = [
        {commit: {}},
        {commit: {}},
        {commit: {}},
        {commit: {}},
      ];
      element.availablePatches = [
        {num: 1},
        {num: 2},
        {num: 3},
        {num: 'edit'},
      ];
      element.patchNum = 2;
      element.basePatchNum = 'PARENT';
      flushAsynchronousOperations();

      // Should be recomputed for each available patch
      sandbox.stub(element, '_computePatchDropdownContent');
      assert.equal(element._computePatchDropdownContent.callCount, 0);
      commentApiWrapper.loadComments().then().then(() => {
        done();
      });
    });

    test('_computePatchDropdownContent', () => {
      const availablePatches = [
        {num: 'edit'},
        {num: 3},
        {num: 2},
        {num: 1},
      ];
      const basePatchNum = 1;
      const sortedRevisions = [
        {_number: 3},
        {_number: element.EDIT_NAME, basePatchNum: 2},
        {_number: 2, description: 'description'},
        {_number: 1},
      ];

      const expectedResult = [
        {
          disabled: false,
          triggerText: 'edit',
          text: 'edit',
          mobileText: 'edit',
          bottomText: '',
          value: 'edit',
        },
        {
          disabled: false,
          triggerText: 'Patchset 3',
          text: 'Patchset 3',
          mobileText: '3',
          bottomText: '',
          value: 3,
        },
        {
          disabled: false,
          triggerText: 'Patchset 2',
          text: 'Patchset 2',
          mobileText: '2 description',
          bottomText: 'description',
          value: 2,
        },
        {
          disabled: true,
          triggerText: 'Patchset 1',
          text: 'Patchset 1',
          mobileText: '1',
          bottomText: '',
          value: 1,
        },
      ];

      assert.deepEqual(element._computePatchDropdownContent(availablePatches,
          basePatchNum, sortedRevisions, element.changeComments),
          expectedResult);
    });

    test('filesWeblinks', () => {
      element.filesWeblinks = {
        meta_a: [
          {
            name: 'foo',
            url: 'f.oo',
          },
        ],
        meta_b: [
          {
            name: 'bar',
            url: 'ba.r',
          },
        ],
      };
      flushAsynchronousOperations();
      const domApi = Polymer.dom(element.root);
      assert.equal(
          domApi.querySelector('a[href="f.oo"]').textContent, 'foo');
      assert.equal(
          domApi.querySelector('a[href="ba.r"]').textContent, 'bar');
    });

    test('_computePatchSetCommentsString', () => {
      // Test string with unresolved comments.
      element.changeComments._comments = {
        foo: [{
          id: '27dcee4d_f7b77cfa',
          message: 'test',
          patch_set: 1,
          unresolved: true,
        }],
        bar: [{
          id: '27dcee4d_f7b77cfa',
          message: 'test',
          patch_set: 1,
        },
        {
          id: '27dcee4d_f7b77cfa',
          message: 'test',
          patch_set: 1,
        }],
        abc: [],
      };

      assert.equal(element._computePatchSetCommentsString(
          element.changeComments, 1), ' (3 comments, 1 unresolved)');

      // Test string with no unresolved comments.
      delete element.changeComments._comments['foo'];
      assert.equal(element._computePatchSetCommentsString(
          element.changeComments, 1), ' (2 comments)');

      // Test string with no comments.
      delete element.changeComments._comments['bar'];
      assert.equal(element._computePatchSetCommentsString(
          element.changeComments, 1), '');
    });

    test('patch-range-change fires', () => {
      const handler = sandbox.stub();
      element.basePatchNum = 1;
      element.patchNum = 3;
      element.addEventListener('patch-range-change', handler);

      element.$.basePatchDropdown._handleValueChange(2, [{value: 2}]);
      assert.isTrue(handler.calledOnce);
      assert.deepEqual(handler.lastCall.args[0].detail,
          {basePatchNum: 2, patchNum: 3});

      // BasePatchNum should not have changed, due to one-way data binding.
      element.$.patchNumDropdown._handleValueChange('edit', [{value: 'edit'}]);
      assert.deepEqual(handler.lastCall.args[0].detail,
          {basePatchNum: 1, patchNum: 'edit'});
    });
  });
</script>