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Copyright (C) 2017 The Android Open Source Project

Licensed under the Apache License, Version 2.0 (the "License");
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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/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="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;
    let navigateToChangeStub;

    setup(() => {
      sandbox = sinon.sandbox.create();
      navigateToChangeStub = sandbox.stub(Gerrit.Nav, 'navigateToChange');
      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 logged out', () => {
      element.loggedIn = false;
      flushAsynchronousOperations();
      assert.isTrue(element.$.diffPrefsContainer.hidden);

      element.loggedIn = true;
      flushAsynchronousOperations();
      assert.isTrue(element.$.diffPrefsContainer.hidden);

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

      element.loggedIn = true;
      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 patch set description');
      assert.equal(element._computeDescriptionPlaceholder(false),
          'Add a patch set description');
    });

    test('_computePatchSetDisabled', () => {
      element.revisions = [
        {_number: 1},
        {_number: 2},
        {_number: element.EDIT_NAME, basePatchNum: 2},
        {_number: 3},
      ];
      let basePatchNum = 'PARENT';
      let patchNum = 1;
      assert.equal(element._computePatchSetDisabled(patchNum, basePatchNum),
          false);
      basePatchNum = 1;
      assert.equal(element._computePatchSetDisabled(patchNum, basePatchNum),
          true);
      patchNum = 2;
      assert.equal(element._computePatchSetDisabled(patchNum, basePatchNum),
          false);
      basePatchNum = element.EDIT_NAME;
      assert.equal(element._computePatchSetDisabled(patchNum, basePatchNum),
          true);
      patchNum = '3';
      assert.equal(element._computePatchSetDisabled(patchNum, basePatchNum),
          false);
    });

    test('_computePatchSetCommentsString', () => {
      // Test string with unresolved comments.

      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(comments, 1),
          '(3 comments, 1 unresolved)');

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

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

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

      element.changeNum = '42';
      element.patchRange = {
        basePatchNum: 'PARENT',
        patchNum: 1,
      };
      element._selectedPatchNum = '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();
      const label = element.$.descriptionLabel;
      assert.equal(label.value, 'test');
      label.editing = true;
      label._inputText = 'test2';
      label._save();
      flushAsynchronousOperations();
      assert.isTrue(putDescStub.called);
      assert.equal(putDescStub.args[0][2], 'test2');
    });

    test('patch num change', done => {
      element.patchRange = {
        basePatchNum: 'PARENT',
        patchNum: 2,
      };

      element.allPatchSets = [
        {num: 1},
        {num: 2},
        {num: 3},
        {num: 13},
      ];

      flushAsynchronousOperations();

      const selectEl = element.$$('.patchInfo-header gr-select');
      assert.ok(selectEl);
      const optionEls = Polymer.dom(element.root).querySelectorAll(
          '.patchInfo-header option');
      assert.equal(optionEls.length, 4);
      const select = element.$$('.patchInfo-header #patchSetSelect').bindValue;
      assert.notEqual(select, 1);
      assert.equal(select, 2);
      assert.notEqual(select, 3);
      assert.equal(optionEls[3].value, 13);

      let numEvents = 0;
      selectEl.addEventListener('change', e => {
        assert.equal(element.diffViewMode, 'SIDE_BY_SIDE');
        numEvents++;
        if (numEvents == 1) {
          assert.isTrue(navigateToChangeStub.lastCall.calledWithExactly(
              element.change, '1', 'PARENT'));
          selectEl.nativeSelect.value = '3';
          element.fire('change', {}, {node: selectEl.nativeSelect});
        } else if (numEvents == 2) {
          assert.isTrue(navigateToChangeStub.lastCall.calledWithExactly(
              element.change, '3', 'PARENT'));
          done();
        }
      });
      selectEl.nativeSelect.value = '1';
      element.fire('change', {}, {node: selectEl.nativeSelect});
    });

    test('patch num change with missing current_revision', done => {
      element.patchRange = {
        basePatchNum: 'PARENT',
        patchNum: 2,
      };

      element.allPatchSets = [
        {num: 1},
        {num: 2},
        {num: 3},
        {num: 13},
      ];
      flushAsynchronousOperations();
      const selectEl = element.$$('.patchInfo-header gr-select');
      assert.ok(selectEl);
      const optionEls = Polymer.dom(element.root).querySelectorAll(
          '.patchInfo-header option');
      assert.equal(optionEls.length, 4);
      assert.notEqual(
          element.$$('.patchInfo-header #patchSetSelect').bindValue, 1);
      assert.equal(
          element.$$('.patchInfo-header #patchSetSelect').bindValue, 2);
      assert.notEqual(
          element.$$('.patchInfo-header #patchSetSelect').bindValue, 3);
      assert.equal(optionEls[3].value, 13);

      let numEvents = 0;
      selectEl.addEventListener('change', e => {
        numEvents++;
        if (numEvents == 1) {
          assert.isTrue(navigateToChangeStub.lastCall.calledWithExactly(
              element.change, '1', 'PARENT'));
          selectEl.nativeSelect.value = '3';
          element.fire('change', {}, {node: selectEl.nativeSelect});
        } else if (numEvents == 2) {
          assert.isTrue(navigateToChangeStub.lastCall.calledWithExactly(
              element.change, '3', 'PARENT'));
          done();
        }
      });
      selectEl.nativeSelect.value = '1';
      element.fire('change', {}, {node: selectEl.nativeSelect});
    });

    test('diff against dropdown', done => {
      element.revisions = [
        {commit: {}},
        {commit: {}},
        {commit: {}},
        {commit: {}},
      ];
      element.allPatchSets = [
        {num: 1},
        {num: 2},
        {num: 3},
        {num: 'edit'},
      ];
      element.patchRange = {
        basePatchNum: 'PARENT',
        patchNum: '3',
      };

      flush(() => {
        const selectEl = element.$.patchChange;
        assert.equal(selectEl.nativeSelect.value, 'PARENT');
        assert.isTrue(element.$$('#patchChange option[value="3"]')
            .hasAttribute('disabled'));
        selectEl.addEventListener('change', () => {
          assert.equal(selectEl.nativeSelect.value, 'edit');
          assert(navigateToChangeStub.lastCall.calledWithExactly(
              element.change, '3', 'edit'),
              'Should navigate to /c/42/edit..3');
          done();
        });
        selectEl.nativeSelect.value = 'edit';
        element.fire('change', {}, {node: selectEl.nativeSelect});
      });
    });

    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.patchRange = {
        basePatchNum: 'PARENT',
        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('diff mode selector is set correctly', () => {
      const select = element.$.modeSelect;
      element.diffViewMode = 'SIDE_BY_SIDE';
      flushAsynchronousOperations();
      assert.equal(select.nativeSelect.value, 'SIDE_BY_SIDE');

      element.diffViewMode = 'UNIFIED_DIFF';
      flushAsynchronousOperations();
      assert.equal(select.nativeSelect.value, 'UNIFIED_DIFF');
    });

    test('include base patch when not parent', () => {
      element.changeNum = '42';
      element.patchRange = {
        basePatchNum: '2',
        patchNum: '3',
      };
      element.change = {
        change_id: 'Iad9dc96274af6946f3632be53b106ef80f7ba6ca',
        revisions: {
          rev2: {_number: 2},
          rev1: {_number: 1},
          rev13: {_number: 13},
          rev3: {_number: 3},
        },
        status: 'NEW',
        labels: {},
      };

      element._changePatchNum(13, 2);
      assert.isTrue(navigateToChangeStub.lastCall.calledWithExactly(
          element.change, 13, 2));

      element.patchRange.basePatchNum = 'PARENT';

      element._changePatchNum(3, 'PARENT');
      assert.isTrue(navigateToChangeStub.lastCall.calledWithExactly(
          element.change, 3, 'PARENT'));
    });

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

    suite('editLoaded behavior', () => {
      setup(() => {
        element.loggedIn = true;
        element.diffPrefs = {};
      });

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

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

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

        element.editLoaded = false;
        flushAsynchronousOperations();

        assert.isTrue(isVisible(element.$$('.descriptionContainer')));
        assert.isTrue(isVisible(element.$.diffPrefsContainer));
      });
    });
  });
</script>