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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-metadata</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"/>
<link rel="import" href="gr-change-metadata.html">

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

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

<script>
  suite('gr-change-metadata tests', () => {
    let element;
    let sandbox;

    setup(() => {
      sandbox = sinon.sandbox.create();
      stub('gr-rest-api-interface', {
        getConfig() { return Promise.resolve({}); },
        getLoggedIn() { return Promise.resolve(false); },
      });

      element = fixture('basic');
    });

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

    test('computed fields', () => {
      assert.isFalse(element._computeHideStrategy({status: 'NEW'}));
      assert.isFalse(element._computeHideStrategy({status: 'DRAFT'}));
      assert.isTrue(element._computeHideStrategy({status: 'MERGED'}));
      assert.isTrue(element._computeHideStrategy({status: 'ABANDONED'}));
      assert.equal(element._computeStrategy({submit_type: 'CHERRY_PICK'}),
          'Cherry Pick');
    });

    test('show strategy for open change', () => {
      element.change = {status: 'NEW', submit_type: 'CHERRY_PICK', labels: {}};
      flushAsynchronousOperations();
      const strategy = element.$$('.strategy');
      assert.ok(strategy);
      assert.isFalse(strategy.hasAttribute('hidden'));
      assert.equal(strategy.children[1].innerHTML, 'Cherry Pick');
    });

    test('hide strategy for closed change', () => {
      element.change = {status: 'MERGED', labels: {}};
      flushAsynchronousOperations();
      assert.isTrue(element.$$('.strategy').hasAttribute('hidden'));
    });

    test('show CC section when NoteDb enabled', () => {
      function hasCc() {
        return element._showReviewersByState;
      }

      element.serverConfig = {};
      assert.isFalse(hasCc());

      element.serverConfig = {note_db_enabled: true};
      assert.isTrue(hasCc());
    });

    test('computes submit status', () => {
      let showMissingLabels = false;
      sandbox.stub(element, '_showMissingLabels', () => {
        return showMissingLabels;
      });
      assert.isFalse(element._showMissingRequirements(null, false));
      assert.isTrue(element._showMissingRequirements(null, true));
      showMissingLabels = true;
      assert.isTrue(element._showMissingRequirements(null, false));
    });

    test('show missing labels', () => {
      let labels = {};
      assert.isFalse(element._showMissingLabels(labels));
      labels = {test: {}};
      assert.isTrue(element._showMissingLabels(labels));
      assert.deepEqual(element._computeMissingLabels(labels), ['test']);
      labels.test.approved = true;
      assert.isFalse(element._showMissingLabels(labels));
      labels.test.approved = false;
      labels.test.optional = true;
      assert.isFalse(element._showMissingLabels(labels));
      labels.test.optional = false;
      labels.test2 = {};
      assert.isTrue(element._showMissingLabels(labels));
      assert.deepEqual(element._computeMissingLabels(labels),
          ['test', 'test2']);
    });

    test('weblinks hidden when no weblinks', () => {
      element.commitInfo = {};
      flushAsynchronousOperations();
      const webLinks = element.$.webLinks;
      assert.isTrue(webLinks.hasAttribute('hidden'));
    });

    test('weblinks hidden when only gitiles weblink', () => {
      element.commitInfo = {web_links: [{name: 'gitiles', url: '#'}]};
      flushAsynchronousOperations();
      const webLinks = element.$.webLinks;
      assert.isTrue(webLinks.hasAttribute('hidden'));
      assert.equal(element._computeWebLinks(element.commitInfo), null);
    });

    test('weblinks are visible when other weblinks', () => {
      element.commitInfo = {web_links: [{name: 'test', url: '#'}]};
      flushAsynchronousOperations();
      const webLinks = element.$.webLinks;
      assert.isFalse(webLinks.hasAttribute('hidden'));
      assert.equal(element._computeWebLinks(element.commitInfo).length, 1);
      // With two non-gitiles weblinks, there are two returned.
      element.commitInfo = {
        web_links: [{name: 'test', url: '#'}, {name: 'test2', url: '#'}]};
      assert.equal(element._computeWebLinks(element.commitInfo).length, 2);
    });

    test('weblinks are visible when gitiles and other weblinks', () => {
      element.commitInfo = {
        web_links: [{name: 'test', url: '#'}, {name: 'gitiles', url: '#'}]};
      flushAsynchronousOperations();
      const webLinks = element.$.webLinks;
      assert.isFalse(webLinks.hasAttribute('hidden'));
      // Only the non-gitiles weblink is returned.
      assert.equal(element._computeWebLinks(element.commitInfo).length, 1);
    });

    test('determines whether to show "Ready to Submit" label', () => {
      const showMissingSpy = sandbox.spy(element, '_showMissingRequirements');
      element.change = {status: 'NEW', submit_type: 'CHERRY_PICK', labels: {
        test: {
          all: [{_account_id: 1, name: 'bojack', value: 1}],
          default_value: 0,
          values: [],
        },
      }};
      flushAsynchronousOperations();
      assert.isTrue(showMissingSpy.called);
    });

    suite('Topic removal', () => {
      let change;
      setup(() => {
        change = {
          _number: 'the number',
          actions: {
            topic: {enabled: false},
          },
          change_id: 'the id',
          topic: 'the topic',
          status: 'NEW',
          submit_type: 'CHERRY_PICK',
          labels: {
            test: {
              all: [{_account_id: 1, name: 'bojack', value: 1}],
              default_value: 0,
              values: [],
            },
          },
          removable_reviewers: [],
        };
      });

      test('_computeTopicReadOnly', () => {
        let mutable = false;
        assert.isTrue(element._computeTopicReadOnly(mutable, change));
        mutable = true;
        assert.isTrue(element._computeTopicReadOnly(mutable, change));
        change.actions.topic.enabled = true;
        assert.isFalse(element._computeTopicReadOnly(mutable, change));
        mutable = false;
        assert.isTrue(element._computeTopicReadOnly(mutable, change));
      });

      test('topic read only hides delete button', () => {
        element.mutable = false;
        element.change = change;
        flushAsynchronousOperations();
        const button = element.$$('gr-linked-chip').$$('gr-button');
        assert.isTrue(button.hasAttribute('hidden'));
      });

      test('topic not read only does not hide delete button', () => {
        element.mutable = true;
        change.actions.topic.enabled = true;
        element.change = change;
        flushAsynchronousOperations();
        const button = element.$$('gr-linked-chip').$$('gr-button');
        assert.isFalse(button.hasAttribute('hidden'));
      });
    });

    suite('remove reviewer votes', () => {
      setup(() => {
        sandbox.stub(element, '_computeValueTooltip').returns('');
        sandbox.stub(element, '_computeTopicReadOnly').returns(true);
        element.change = {
          _number: 'the number',
          change_id: 'the id',
          actions: [],
          topic: 'the topic',
          status: 'NEW',
          submit_type: 'CHERRY_PICK',
          labels: {
            test: {
              all: [{_account_id: 1, name: 'bojack', value: 1}],
              default_value: 0,
              values: [],
            },
          },
          removable_reviewers: [],
        };
        flushAsynchronousOperations();
      });

      test('_computeCanDeleteVote hides delete button', () => {
        const button = element.$$('gr-account-chip').$$('gr-button');
        assert.isTrue(button.hasAttribute('hidden'));
        element.mutable = true;
        assert.isTrue(button.hasAttribute('hidden'));
      });

      test('_computeCanDeleteVote shows delete button', () => {
        element.change.removable_reviewers = [
          {
            _account_id: 1,
            name: 'bojack',
          },
        ];
        element.mutable = true;
        const button = element.$$('gr-account-chip').$$('gr-button');
        assert.isFalse(button.hasAttribute('hidden'));
      });

      test('deletes votes', done => {
        sandbox.stub(element.$.restAPI, 'deleteVote')
            .returns(Promise.resolve({ok: true}));
        const spliceStub = sandbox.stub(element, 'splice', (path, index,
            length) => {
          assert.deepEqual(path, ['change.labels', 'test', 'all']);
          assert.equal(index, 0);
          assert.equal(length, 1);
          assert.notOk(element.change.labels.test.recommended);
          spliceStub.restore();
          done();
        });
        element.change.removable_reviewers = [
          {
            _account_id: 1,
            name: 'bojack',
          },
        ];
        element.change.labels.test.recommended = {_account_id: 1};
        element.mutable = true;
        flushAsynchronousOperations();
        const button = element.$$('gr-account-chip').$$('gr-button');
        MockInteractions.tap(button);
      });

      test('changing topic', () => {
        const newTopic = 'the new topic';
        sandbox.stub(element.$.restAPI, 'setChangeTopic').returns(
            Promise.resolve(newTopic));
        element._handleTopicChanged({}, newTopic);
        const topicChangedSpy = sandbox.spy();
        element.addEventListener('topic-changed', topicChangedSpy);
        assert.isTrue(element.$.restAPI.setChangeTopic.calledWith(
            'the number', newTopic));
        return element.$.restAPI.setChangeTopic.lastCall.returnValue
            .then(() => {
              assert.equal(element.change.topic, newTopic);
              assert.isTrue(topicChangedSpy.called);
            });
      });

      test('topic removal', () => {
        sandbox.stub(element.$.restAPI, 'setChangeTopic').returns(
            Promise.resolve());
        const remove = element.$$('gr-linked-chip').$.remove;
        const topicChangedSpy = sandbox.spy();
        element.addEventListener('topic-changed', topicChangedSpy);
        MockInteractions.tap(remove);
        assert.isTrue(element.$.restAPI.setChangeTopic.calledWith(
            'the number', null));
        return element.$.restAPI.setChangeTopic.lastCall.returnValue
            .then(() => {
              assert.equal(element.change.topic, '');
              assert.isTrue(topicChangedSpy.called);
            });
      });

      suite('assignee field', () => {
        const dummyAccount = {
          _account_id: 1,
          name: 'bojack',
        };
        const change = {
          actions: {
            assignee: {enabled: false},
          },
          assignee: dummyAccount,
        };
        let deleteStub;
        let setStub;

        setup(() => {
          deleteStub = sandbox.stub(element.$.restAPI, 'deleteAssignee');
          setStub = sandbox.stub(element.$.restAPI, 'setAssignee');
        });

        test('changing change recomputes _assignee', () => {
          assert.isFalse(!!element._assignee.length);
          const change = element.change;
          change.assignee = dummyAccount;
          element._changeChanged(change);
          assert.deepEqual(element._assignee[0], dummyAccount);
        });

        test('modifying _assignee calls API', () => {
          assert.isFalse(!!element._assignee.length);
          element.set('_assignee', [dummyAccount]);
          assert.isTrue(setStub.calledOnce);
          assert.deepEqual(element.change.assignee, dummyAccount);
          element.set('_assignee', [dummyAccount]);
          assert.isTrue(setStub.calledOnce);
          element.set('_assignee', []);
          assert.isTrue(deleteStub.calledOnce);
          assert.equal(element.change.assignee, undefined);
          element.set('_assignee', []);
          assert.isTrue(deleteStub.calledOnce);
        });

        test('_computeAssigneeReadOnly', () => {
          let mutable = false;
          assert.isTrue(element._computeAssigneeReadOnly(mutable, change));
          mutable = true;
          assert.isTrue(element._computeAssigneeReadOnly(mutable, change));
          change.actions.assignee.enabled = true;
          assert.isFalse(element._computeAssigneeReadOnly(mutable, change));
          mutable = false;
          assert.isTrue(element._computeAssigneeReadOnly(mutable, change));
        });
      });
    });
  });
</script>