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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-file-list-header</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"/>
<script src="/bower_components/page/page.js"></script>

<link rel="import" href="gr-file-list-header.html">

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

<test-fixture id="basic">
  <template>
    <gr-file-list-header></gr-file-list-header>
  </template>
</test-fixture>

<test-fixture id="blank">
  <template>
    <div></div>
  </template>
</test-fixture>

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

    setup(() => {
      sandbox = sinon.sandbox.create();
      stub('gr-rest-api-interface', {
        getConfig() { return Promise.resolve({test: 'config'}); },
        getAccount() { return Promise.resolve(null); },
        _fetchSharedCacheURL() { return Promise.resolve({}); },
      });
      element = fixture('basic');
    });

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

    test('Diff preferences hidden when no prefs or diffPrefsDisabled', () => {
      element.diffPrefsDisabled = true;
      flushAsynchronousOperations();
      assert.isTrue(element.$.diffPrefsContainer.hidden);

      element.diffPrefsDisabled = false;
      flushAsynchronousOperations();
      assert.isTrue(element.$.diffPrefsContainer.hidden);

      element.diffPrefsDisabled = true;
      element.diffPrefs = {font_size: '12'};
      flushAsynchronousOperations();
      assert.isTrue(element.$.diffPrefsContainer.hidden);

      element.diffPrefsDisabled = false;
      flushAsynchronousOperations();
      assert.isFalse(element.$.diffPrefsContainer.hidden);
    });

    test('_computeDescriptionReadOnly', () => {
      assert.equal(element._computeDescriptionReadOnly(false,
          {owner: {_account_id: 1}}, {_account_id: 1}), true);
      assert.equal(element._computeDescriptionReadOnly(true,
          {owner: {_account_id: 0}}, {_account_id: 1}), true);
      assert.equal(element._computeDescriptionReadOnly(true,
          {owner: {_account_id: 1}}, {_account_id: 1}), false);
    });

    test('_computeDescriptionPlaceholder', () => {
      assert.equal(element._computeDescriptionPlaceholder(true),
          'No patchset description');
      assert.equal(element._computeDescriptionPlaceholder(false),
          'Add patchset description');
    });

    test('description editing', () => {
      const putDescStub = sandbox.stub(element.$.restAPI, 'setDescription')
          .returns(Promise.resolve({ok: true}));

      element.changeNum = '42';
      element.basePatchNum = 'PARENT';
      element.patchNum = 1;

      element.change = {
        change_id: 'Iad9dc96274af6946f3632be53b106ef80f7ba6ca',
        revisions: {
          rev1: {_number: 1, description: 'test', commit: {commit: 'rev1'}},
        },
        current_revision: 'rev1',
        status: 'NEW',
        labels: {},
        actions: {},
        owner: {_account_id: 1},
      };
      element.account = {_account_id: 1};
      element.loggedIn = true;

      flushAsynchronousOperations();

      // The element has a description, so the account chip should be visible
      // and the description label should not exist.
      const chip = Polymer.dom(element.root).querySelector('#descriptionChip');
      let label = Polymer.dom(element.root).querySelector('#descriptionLabel');

      assert.equal(chip.text, 'test');
      assert.isNotOk(label);

      // Simulate tapping the remove button, but call function directly so that
      // can determine what happens after the promise is resolved.
      return element._handleDescriptionRemoved()
          .then(() => {
            // The API stub should be called with an empty string for the new
            // description.
            assert.equal(putDescStub.lastCall.args[2], '');
            assert.equal(element.change.revisions.rev1.description, '');

            flushAsynchronousOperations();
            // The editable label should now be visible and the chip hidden.
            label = Polymer.dom(element.root).querySelector('#descriptionLabel');
            assert.isOk(label);
            assert.equal(getComputedStyle(chip).display, 'none');
            assert.notEqual(getComputedStyle(label).display, 'none');
            assert.isFalse(label.readOnly);
            // Edit the label to have a new value of test2, and save.
            label.editing = true;
            label._inputText = 'test2';
            label._save();
            flushAsynchronousOperations();
            // The API stub should be called with an `test2` for the new
            // description.
            assert.equal(putDescStub.callCount, 2);
            assert.equal(putDescStub.lastCall.args[2], 'test2');
          })
          .then(() => {
            flushAsynchronousOperations();
            // The chip should be visible again, and the label hidden.
            assert.equal(element.change.revisions.rev1.description, 'test2');
            assert.equal(getComputedStyle(label).display, 'none');
            assert.notEqual(getComputedStyle(chip).display, 'none');
          });
    });

    test('expandAllDiffs called when expand button clicked', () => {
      element.shownFileCount = 1;
      flushAsynchronousOperations();
      sandbox.stub(element, '_expandAllDiffs');
      MockInteractions.tap(Polymer.dom(element.root).querySelector(
          '#expandBtn'));
      assert.isTrue(element._expandAllDiffs.called);
    });

    test('collapseAllDiffs called when expand button clicked', () => {
      element.shownFileCount = 1;
      flushAsynchronousOperations();
      sandbox.stub(element, '_collapseAllDiffs');
      MockInteractions.tap(Polymer.dom(element.root).querySelector(
          '#collapseBtn'));
      assert.isTrue(element._collapseAllDiffs.called);
    });

    test('show/hide diffs disabled for large amounts of files', done => {
      const computeSpy = sandbox.spy(element, '_fileListActionsVisible');
      element._files = [];
      element.changeNum = '42';
      element.basePatchNum = 'PARENT';
      element.patchNum = '2';
      element.shownFileCount = 1;
      flush(() => {
        assert.isTrue(computeSpy.lastCall.returnValue);
        _.times(element._maxFilesForBulkActions + 1, () => {
          element.shownFileCount = element.shownFileCount + 1;
        });
        assert.isFalse(computeSpy.lastCall.returnValue);
        done();
      });
    });

    test('fileViewActions are properly hidden', () => {
      const actions = element.$$('.fileViewActions');
      assert.equal(getComputedStyle(actions).display, 'none');
      element.filesExpanded = GrFileListConstants.FilesExpandedState.SOME;
      flushAsynchronousOperations();
      assert.notEqual(getComputedStyle(actions).display, 'none');
      element.filesExpanded = GrFileListConstants.FilesExpandedState.ALL;
      flushAsynchronousOperations();
      assert.notEqual(getComputedStyle(actions).display, 'none');
      element.filesExpanded = GrFileListConstants.FilesExpandedState.NONE;
      flushAsynchronousOperations();
      assert.equal(getComputedStyle(actions).display, 'none');
    });

    test('expand/collapse buttons are toggled correctly', () => {
      element.shownFileCount = 10;
      flushAsynchronousOperations();
      const expandBtn = element.shadowRoot.querySelector('#expandBtn');
      const collapseBtn = element.shadowRoot.querySelector('#collapseBtn');
      assert.notEqual(getComputedStyle(expandBtn).display, 'none');
      assert.equal(getComputedStyle(collapseBtn).display, 'none');
      element.filesExpanded = GrFileListConstants.FilesExpandedState.SOME;
      flushAsynchronousOperations();
      assert.notEqual(getComputedStyle(expandBtn).display, 'none');
      assert.equal(getComputedStyle(collapseBtn).display, 'none');
      element.filesExpanded = GrFileListConstants.FilesExpandedState.ALL;
      flushAsynchronousOperations();
      assert.equal(getComputedStyle(expandBtn).display, 'none');
      assert.notEqual(getComputedStyle(collapseBtn).display, 'none');
      element.filesExpanded = GrFileListConstants.FilesExpandedState.NONE;
      flushAsynchronousOperations();
      assert.notEqual(getComputedStyle(expandBtn).display, 'none');
      assert.equal(getComputedStyle(collapseBtn).display, 'none');
    });

    test('navigateToChange called when range select changes', () => {
      const navigateToChangeStub = sandbox.stub(Gerrit.Nav, 'navigateToChange');
      element.change = {
        change_id: 'Iad9dc96274af6946f3632be53b106ef80f7ba6ca',
        revisions: {
          rev2: {_number: 2},
          rev1: {_number: 1},
          rev13: {_number: 13},
          rev3: {_number: 3},
        },
        status: 'NEW',
        labels: {},
      };
      element.basePatchNum = 1;
      element.patchNum = 2;

      element._handlePatchChange({detail: {basePatchNum: 1, patchNum: 3}});
      assert.equal(navigateToChangeStub.callCount, 1);
      assert.isTrue(navigateToChangeStub.lastCall
          .calledWithExactly(element.change, 3, 1));
    });

    test('class is applied to file list on old patch set', () => {
      const allPatchSets = [{num: 4}, {num: 2}, {num: 1}];
      assert.equal(element._computePatchInfoClass('1', allPatchSets),
          'patchInfoOldPatchSet');
      assert.equal(element._computePatchInfoClass('2', allPatchSets),
          'patchInfoOldPatchSet');
      assert.equal(element._computePatchInfoClass('4', allPatchSets), '');
    });

    suite('editMode behavior', () => {
      setup(() => {
        element.diffPrefsDisabled = false;
        element.diffPrefs = {};
      });

      const isVisible = el => {
        assert.ok(el);
        return getComputedStyle(el).getPropertyValue('display') !== 'none';
      };

      test('patch specific elements', () => {
        element.editMode = true;
        sandbox.stub(element, 'computeLatestPatchNum').returns('2');
        flushAsynchronousOperations();

        assert.isFalse(isVisible(element.$.diffPrefsContainer));
        assert.isFalse(isVisible(element.$$('.descriptionContainer')));

        element.editMode = false;
        flushAsynchronousOperations();

        assert.isTrue(isVisible(element.$$('.descriptionContainer')));
        assert.isTrue(isVisible(element.$.diffPrefsContainer));
      });

      test('edit-controls visibility', () => {
        element.editMode = true;
        flushAsynchronousOperations();
        assert.isTrue(isVisible(element.$.editControls.parentElement));

        element.editMode = false;
        flushAsynchronousOperations();
        assert.isFalse(isVisible(element.$.editControls.parentElement));
      });

      test('_computeUploadHelpContainerClass', () => {
        // Only show the upload helper button when an unmerged change is viewed
        // by its owner.
        const accountA = {_account_id: 1};
        const accountB = {_account_id: 2};
        assert.notInclude(element._computeUploadHelpContainerClass(
            {owner: accountA}, accountA), 'hide');
        assert.include(element._computeUploadHelpContainerClass(
            {owner: accountA}, accountB), 'hide');
      });
    });
  });
</script>