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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-repo-access</title>
<script src="/test/common-test-setup.js"></script>
<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/bower_components/page/page.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"/>
<link rel="import" href="gr-repo-access.html">

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

<test-fixture id="basic">
  <template>
    <gr-repo-access></gr-repo-access>
  </template>
</test-fixture>

<script>
  suite('gr-repo-access tests', () => {
    let element;
    let sandbox;
    let repoStub;

    const accessRes = {
      local: {
        'refs/*': {
          permissions: {
            owner: {
              rules: {
                234: {action: 'ALLOW'},
                123: {action: 'DENY'},
              },
            },
            read: {
              rules: {
                234: {action: 'ALLOW'},
              },
            },
          },
        },
      },
      groups: {
        Administrators: {
          name: 'Administrators',
        },
        Maintainers: {
          name: 'Maintainers',
        },
      },
      config_web_links: [{
        name: 'gitiles',
        target: '_blank',
        url: 'https://my/site/+log/123/project.config',
      }],
      can_upload: true,
    };
    const accessRes2 = {
      local: {
        GLOBAL_CAPABILITIES: {
          permissions: {
            accessDatabase: {
              rules: {
                group1: {
                  action: 'ALLOW',
                },
              },
            },
          },
        },
      },
    };
    const repoRes = {
      labels: {
        'Code-Review': {
          values: {
            ' 0': 'No score',
            '-1': 'I would prefer this is not merged as is',
            '-2': 'This shall not be merged',
            '+1': 'Looks good to me, but someone else must approve',
            '+2': 'Looks good to me, approved',
          },
        },
      },
    };
    const capabilitiesRes = {
      accessDatabase: {
        id: 'accessDatabase',
        name: 'Access Database',
      },
      createAccount: {
        id: 'createAccount',
        name: 'Create Account',
      },
    };
    setup(() => {
      sandbox = sinon.sandbox.create();
      element = fixture('basic');
      stub('gr-rest-api-interface', {
        getAccount() { return Promise.resolve(null); },
      });
      repoStub = sandbox.stub(element.$.restAPI, 'getRepo').returns(
          Promise.resolve(repoRes));
      element._loading = false;
      element._ownerOf = [];
      element._canUpload = false;
    });

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

    test('_repoChanged called when repo name changes', () => {
      sandbox.stub(element, '_repoChanged');
      element.repo = 'New Repo';
      assert.isTrue(element._repoChanged.called);
    });

    test('_repoChanged', done => {
      const accessStub = sandbox.stub(element.$.restAPI,
          'getRepoAccessRights');

      accessStub.withArgs('New Repo').returns(
          Promise.resolve(JSON.parse(JSON.stringify(accessRes))));
      accessStub.withArgs('Another New Repo')
          .returns(Promise.resolve(JSON.parse(JSON.stringify(accessRes2))));
      const capabilitiesStub = sandbox.stub(element.$.restAPI,
          'getCapabilities');
      capabilitiesStub.returns(Promise.resolve(capabilitiesRes));

      element._repoChanged('New Repo').then(() => {
        assert.isTrue(accessStub.called);
        assert.isTrue(capabilitiesStub.called);
        assert.isTrue(repoStub.called);
        assert.isNotOk(element._inheritsFrom);
        assert.deepEqual(element._local, accessRes.local);
        assert.deepEqual(element._sections,
            element.toSortedArray(accessRes.local));
        assert.deepEqual(element._labels, repoRes.labels);
        assert.equal(getComputedStyle(element.$$('.weblinks')).display,
            'block');
        return element._repoChanged('Another New Repo');
      })
          .then(() => {
            assert.deepEqual(element._sections,
                element.toSortedArray(accessRes2.local));
            assert.equal(getComputedStyle(element.$$('.weblinks')).display,
                'none');
            done();
          });
    });

    test('_repoChanged when repo changes to undefined returns', done => {
      const capabilitiesRes = {
        accessDatabase: {
          id: 'accessDatabase',
          name: 'Access Database',
        },
      };
      const accessStub = sandbox.stub(element.$.restAPI, 'getRepoAccessRights')
          .returns(Promise.resolve(JSON.parse(JSON.stringify(accessRes2))));
      const capabilitiesStub = sandbox.stub(element.$.restAPI,
          'getCapabilities').returns(Promise.resolve(capabilitiesRes));

      element._repoChanged().then(() => {
        assert.isFalse(accessStub.called);
        assert.isFalse(capabilitiesStub.called);
        assert.isFalse(repoStub.called);
        done();
      });
    });

    test('_computeParentHref', () => {
      const repoName = 'test-repo';
      assert.equal(element._computeParentHref(repoName),
          '/admin/repos/test-repo,access');
    });

    test('_computeMainClass', () => {
      let ownerOf = ['refs/*'];
      const editing = true;
      const canUpload = false;
      assert.equal(element._computeMainClass(ownerOf, canUpload), 'admin');
      assert.equal(element._computeMainClass(ownerOf, canUpload, editing),
          'admin editing');
      ownerOf = [];
      assert.equal(element._computeMainClass(ownerOf, canUpload), '');
      assert.equal(element._computeMainClass(ownerOf, canUpload, editing),
          'editing');
    });

    test('inherit section', () => {
      element._local = {};
      element._ownerOf = [];
      sandbox.stub(element, '_computeParentHref');
      // Nothing should appear when no inherit from and not in edit mode.
      assert.equal(getComputedStyle(element.$.inheritsFrom).display, 'none');
      // The autocomplete should be hidden, and the link should be  displayed.
      assert.isFalse(element._computeParentHref.called);
      // When it edit mode, the autocomplete should appear.
      element._editing = true;
      // When editing, the autocomplete should still not be shown.
      assert.equal(getComputedStyle(element.$.inheritsFrom).display, 'none');
      element._editing = false;
      element._inheritsFrom = {
        name: 'another-repo',
      };
      // When there is a parent project, the link should be displayed.
      flushAsynchronousOperations();
      assert.notEqual(getComputedStyle(element.$.inheritsFrom).display, 'none');
      assert.notEqual(getComputedStyle(element.$.inheritFromName).display,
          'none');
      assert.equal(getComputedStyle(element.$.editInheritFromInput).display,
          'none');
      assert.isTrue(element._computeParentHref.called);
      element._editing = true;
      // When editing, the autocomplete should be shown.
      assert.notEqual(getComputedStyle(element.$.inheritsFrom).display, 'none');
      assert.equal(getComputedStyle(element.$.inheritFromName).display, 'none');
      assert.notEqual(getComputedStyle(element.$.editInheritFromInput).display,
          'none');
    });

    test('_handleUpdateInheritFrom', () => {
      element._inheritFromFilter = 'foo bar baz';
      element._handleUpdateInheritFrom({detail: {value: 'abc+123'}});
      assert.isOk(element._inheritsFrom);
      assert.equal(element._inheritsFrom.id, 'abc+123');
      assert.equal(element._inheritsFrom.name, 'foo bar baz');
    });

    test('_computeLoadingClass', () => {
      assert.equal(element._computeLoadingClass(true), 'loading');
      assert.equal(element._computeLoadingClass(false), '');
    });

    test('fires page-error', done => {
      const response = {status: 404};

      sandbox.stub(
          element.$.restAPI, 'getRepoAccessRights', (repoName, errFn) => {
            errFn(response);
          });

      element.addEventListener('page-error', e => {
        assert.deepEqual(e.detail.response, response);
        done();
      });

      element.repo = 'test';
    });

    suite('with defined sections', () => {
      const testEditSaveCancelBtns = (shouldShowSave, shouldShowSaveReview) => {
        // Edit button is visible and Save button is hidden.
        assert.equal(getComputedStyle(element.$.saveReviewBtn).display, 'none');
        assert.equal(getComputedStyle(element.$.saveBtn).display, 'none');
        assert.notEqual(getComputedStyle(element.$.editBtn).display, 'none');
        assert.equal(element.$.editBtn.innerText, 'EDIT');
        assert.equal(getComputedStyle(element.$.editInheritFromInput).display,
            'none');
        element._inheritsFrom = {
          id: 'test-project',
        };
        flushAsynchronousOperations();
        assert.equal(getComputedStyle(element.$$('#editInheritFromInput'))
            .display, 'none');

        MockInteractions.tap(element.$.editBtn);
        flushAsynchronousOperations();

        // Edit button changes to Cancel button, and Save button is visible but
        // disabled.
        assert.equal(element.$.editBtn.innerText, 'CANCEL');
        if (shouldShowSaveReview) {
          assert.notEqual(getComputedStyle(element.$.saveReviewBtn).display,
              'none');
          assert.isTrue(element.$.saveReviewBtn.disabled);
        }
        if (shouldShowSave) {
          assert.notEqual(getComputedStyle(element.$.saveBtn).display, 'none');
          assert.isTrue(element.$.saveBtn.disabled);
        }
        assert.notEqual(getComputedStyle(element.$$('#editInheritFromInput'))
            .display, 'none');

        // Save button should be enabled after access is modified
        element.fire('access-modified');
        if (shouldShowSaveReview) {
          assert.isFalse(element.$.saveReviewBtn.disabled);
        }
        if (shouldShowSave) {
          assert.isFalse(element.$.saveBtn.disabled);
        }
      };

      setup(() => {
        // Create deep copies of these objects so the originals are not modified
        // by any tests.
        element._local = JSON.parse(JSON.stringify(accessRes.local));
        element._ownerOf = [];
        element._sections = element.toSortedArray(element._local);
        element._groups = JSON.parse(JSON.stringify(accessRes.groups));
        element._capabilities = JSON.parse(JSON.stringify(capabilitiesRes));
        element._labels = JSON.parse(JSON.stringify(repoRes.labels));
        flushAsynchronousOperations();
      });

      test('removing an added section', () => {
        element.editing = true;
        assert.equal(element._sections.length, 1);
        element.$$('gr-access-section').fire('added-section-removed');
        flushAsynchronousOperations();
        assert.equal(element._sections.length, 0);
      });

      test('button visibility for non ref owner', () => {
        assert.equal(getComputedStyle(element.$.saveReviewBtn).display, 'none');
        assert.equal(getComputedStyle(element.$.editBtn).display, 'none');
      });

      test('button visibility for non ref owner with upload privilege', () => {
        element._canUpload = true;
        testEditSaveCancelBtns(false, true);
      });

      test('button visibility for ref owner', () => {
        element._ownerOf = ['refs/for/*'];
        testEditSaveCancelBtns(true, false);
      });

      test('button visibility for ref owner and upload', () => {
        element._ownerOf = ['refs/for/*'];
        element._canUpload = true;
        testEditSaveCancelBtns(true, false);
      });

      test('_handleAccessModified called with event fired', () => {
        sandbox.spy(element, '_handleAccessModified');
        element.fire('access-modified');
        assert.isTrue(element._handleAccessModified.called);
      });

      test('_handleAccessModified called when parent changes', () => {
        element._inheritsFrom = {
          id: 'test-project',
        };
        flushAsynchronousOperations();
        element.$$('#editInheritFromInput').fire('commit');
        sandbox.spy(element, '_handleAccessModified');
        element.fire('access-modified');
        assert.isTrue(element._handleAccessModified.called);
      });

      test('_handleSaveForReview', () => {
        const saveStub =
            sandbox.stub(element.$.restAPI, 'setRepoAccessRightsForReview');
        sandbox.stub(element, '_computeAddAndRemove').returns({
          add: {},
          remove: {},
        });
        element._handleSaveForReview();
        assert.isFalse(saveStub.called);
      });

      test('_recursivelyRemoveDeleted', () => {
        const obj = {
          'refs/*': {
            permissions: {
              owner: {
                rules: {
                  234: {action: 'ALLOW'},
                  123: {action: 'DENY', deleted: true},
                },
              },
              read: {
                deleted: true,
                rules: {
                  234: {action: 'ALLOW'},
                },
              },
            },
          },
        };
        const expectedResult = {
          'refs/*': {
            permissions: {
              owner: {
                rules: {
                  234: {action: 'ALLOW'},
                },
              },
            },
          },
        };
        element._recursivelyRemoveDeleted(obj);
        assert.deepEqual(obj, expectedResult);
      });

      test('_handleSaveForReview with no changes', () => {
        assert.deepEqual(element._computeAddAndRemove(), {add: {}, remove: {}});
      });

      test('_handleSaveForReview parent change', () => {
        element._inheritsFrom = {
          id: 'test-project',
        };
        element._originalInheritsFrom = {
          id: 'test-project-original',
        };
        assert.deepEqual(element._computeAddAndRemove(), {
          parent: 'test-project', add: {}, remove: {},
        });
      });

      test('_handleSaveForReview new parent with spaces', () => {
        element._inheritsFrom = {id: 'spaces+in+project+name'};
        element._originalInheritsFrom = {id: 'old-project'};
        assert.deepEqual(element._computeAddAndRemove(), {
          parent: 'spaces in project name', add: {}, remove: {},
        });
      });

      test('_handleSaveForReview rules', () => {
        // Delete a rule.
        element._local['refs/*'].permissions.owner.rules[123].deleted = true;
        let expectedInput = {
          add: {},
          remove: {
            'refs/*': {
              permissions: {
                owner: {
                  rules: {
                    123: {},
                  },
                },
              },
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Undo deleting a rule.
        delete element._local['refs/*'].permissions.owner.rules[123].deleted;

        // Modify a rule.
        element._local['refs/*'].permissions.owner.rules[123].modified = true;
        expectedInput = {
          add: {
            'refs/*': {
              permissions: {
                owner: {
                  rules: {
                    123: {action: 'DENY', modified: true},
                  },
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {
                owner: {
                  rules: {
                    123: {},
                  },
                },
              },
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);
      });

      test('_computeAddAndRemove permissions', () => {
        // Add a new rule to a permission.
        let expectedInput = {
          add: {
            'refs/*': {
              permissions: {
                owner: {
                  rules: {
                    Maintainers: {
                      action: 'ALLOW',
                      added: true,
                    },
                  },
                },
              },
            },
          },
          remove: {},
        };

        element.$$('gr-access-section').$$('gr-permission')._handleAddRuleItem(
            {detail: {value: {id: 'Maintainers'}}});

        flushAsynchronousOperations();
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Remove the added rule.
        delete element._local['refs/*'].permissions.owner.rules.Maintainers;

        // Delete a permission.
        element._local['refs/*'].permissions.owner.deleted = true;
        expectedInput = {
          add: {},
          remove: {
            'refs/*': {
              permissions: {
                owner: {rules: {}},
              },
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Undo delete permission.
        delete element._local['refs/*'].permissions.owner.deleted;

        // Modify a permission.
        element._local['refs/*'].permissions.owner.modified = true;
        expectedInput = {
          add: {
            'refs/*': {
              permissions: {
                owner: {
                  modified: true,
                  rules: {
                    234: {action: 'ALLOW'},
                    123: {action: 'DENY'},
                  },
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {
                owner: {rules: {}},
              },
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);
      });

      test('_computeAddAndRemove sections', () => {
        // Add a new permission to a section
        expectedInput = {
          add: {
            'refs/*': {
              permissions: {
                'label-Code-Review': {
                  added: true,
                  rules: {},
                  label: 'Code-Review',
                },
              },
            },
          },
          remove: {},
        };
        element.$$('gr-access-section')._handleAddPermission();
        flushAsynchronousOperations();
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Add a new rule to the new permission.
        expectedInput = {
          add: {
            'refs/*': {
              permissions: {
                'label-Code-Review': {
                  added: true,
                  rules: {
                    Maintainers: {
                      min: -2,
                      max: 2,
                      action: 'ALLOW',
                      added: true,
                    },
                  },
                  label: 'Code-Review',
                },
              },
            },
          },
          remove: {},
        };
        const newPermission =
            Polymer.dom(element.$$('gr-access-section').root).querySelectorAll(
                'gr-permission')[2];
        newPermission._handleAddRuleItem(
           {detail: {value: {id: 'Maintainers'}}});
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Modify a section reference.
        element._local['refs/*'].updatedId = 'refs/for/bar';
        element._local['refs/*'].modified = true;
        expectedInput = {
          add: {
            'refs/for/bar': {
              modified: true,
              updatedId: 'refs/for/bar',
              permissions: {
                'owner': {
                  rules: {
                    234: {action: 'ALLOW'},
                    123: {action: 'DENY'},
                  },
                },
                'read': {
                  rules: {
                    234: {action: 'ALLOW'},
                  },
                },
                'label-Code-Review': {
                  added: true,
                  rules: {
                    Maintainers: {
                      min: -2,
                      max: 2,
                      action: 'ALLOW',
                      added: true,
                    },
                  },
                  label: 'Code-Review',
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {},
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Delete a section.
        element._local['refs/*'].deleted = true;
        expectedInput = {
          add: {},
          remove: {
            'refs/*': {
              permissions: {},
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);
      });

      test('_computeAddAndRemove new section', () => {
        // Add a new permission to a section
        expectedInput = {
          add: {
            'refs/for/*': {
              added: true,
              permissions: {},
            },
          },
          remove: {},
        };
        MockInteractions.tap(element.$.addReferenceBtn);
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        expectedInput = {
          add: {
            'refs/for/*': {
              added: true,
              permissions: {
                'label-Code-Review': {
                  added: true,
                  rules: {},
                  label: 'Code-Review',
                },
              },
            },
          },
          remove: {},
        };
        const newSection = Polymer.dom(element.root)
            .querySelectorAll('gr-access-section')[1];
        newSection._handleAddPermission();
        flushAsynchronousOperations();
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Add rule to the new permission.
        expectedInput = {
          add: {
            'refs/for/*': {
              added: true,
              permissions: {
                'label-Code-Review': {
                  added: true,
                  rules: {
                    Maintainers: {
                      action: 'ALLOW',
                      added: true,
                      max: 2,
                      min: -2,
                    },
                  },
                  label: 'Code-Review',
                },
              },
            },
          },
          remove: {},
        };

        newSection.$$('gr-permission')._handleAddRuleItem(
            {detail: {value: {id: 'Maintainers'}}});

        flushAsynchronousOperations();
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Modify a the reference from the default value.
        element._local['refs/for/*'].updatedId = 'refs/for/new';
        expectedInput = {
          add: {
            'refs/for/new': {
              added: true,
              updatedId: 'refs/for/new',
              permissions: {
                'label-Code-Review': {
                  added: true,
                  rules: {
                    Maintainers: {
                      action: 'ALLOW',
                      added: true,
                      max: 2,
                      min: -2,
                    },
                  },
                  label: 'Code-Review',
                },
              },
            },
          },
          remove: {},
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);
      });

      test('_computeAddAndRemove combinations', () => {
        // Modify rule and delete permission that it is inside of.
        element._local['refs/*'].permissions.owner.rules[123].modified = true;
        element._local['refs/*'].permissions.owner.deleted = true;
        let expectedInput = {
          add: {},
          remove: {
            'refs/*': {
              permissions: {
                owner: {rules: {}},
              },
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);
        // Delete rule and delete permission that it is inside of.
        element._local['refs/*'].permissions.owner.rules[123].modified = false;
        element._local['refs/*'].permissions.owner.rules[123].deleted = true;
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Also modify a different rule inside of another permission.
        element._local['refs/*'].permissions.read.modified = true;
        expectedInput = {
          add: {
            'refs/*': {
              permissions: {
                read: {
                  modified: true,
                  rules: {
                    234: {action: 'ALLOW'},
                  },
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {
                owner: {rules: {}},
                read: {rules: {}},
              },
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);
        // Modify both permissions with an exclusive bit. Owner is still
        // deleted.
        element._local['refs/*'].permissions.owner.exclusive = true;
        element._local['refs/*'].permissions.owner.modified = true;
        element._local['refs/*'].permissions.read.exclusive = true;
        element._local['refs/*'].permissions.read.modified = true;
        expectedInput = {
          add: {
            'refs/*': {
              permissions: {
                read: {
                  exclusive: true,
                  modified: true,
                  rules: {
                    234: {action: 'ALLOW'},
                  },
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {
                owner: {rules: {}},
                read: {rules: {}},
              },
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Add a rule to the existing permission;
        const readPermission =
            Polymer.dom(element.$$('gr-access-section').root).querySelectorAll(
                'gr-permission')[1];
        readPermission._handleAddRuleItem(
           {detail: {value: {id: 'Maintainers'}}});

        expectedInput = {
          add: {
            'refs/*': {
              permissions: {
                read: {
                  exclusive: true,
                  modified: true,
                  rules: {
                    234: {action: 'ALLOW'},
                    Maintainers: {action: 'ALLOW', added: true},
                  },
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {
                owner: {rules: {}},
                read: {rules: {}},
              },
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Change one of the refs
        element._local['refs/*'].updatedId = 'refs/for/bar';
        element._local['refs/*'].modified = true;

        expectedInput = {
          add: {
            'refs/for/bar': {
              modified: true,
              updatedId: 'refs/for/bar',
              permissions: {
                read: {
                  exclusive: true,
                  modified: true,
                  rules: {
                    234: {action: 'ALLOW'},
                    Maintainers: {action: 'ALLOW', added: true},
                  },
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {},
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        expectedInput = {
          add: {},
          remove: {
            'refs/*': {
              permissions: {},
            },
          },
        };
        element._local['refs/*'].deleted = true;
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Add a new section.
        MockInteractions.tap(element.$.addReferenceBtn);
        let newSection = Polymer.dom(element.root)
            .querySelectorAll('gr-access-section')[1];
        newSection._handleAddPermission();
        flushAsynchronousOperations();
        newSection.$$('gr-permission')._handleAddRuleItem(
            {detail: {value: {id: 'Maintainers'}}});
        // Modify a the reference from the default value.
        element._local['refs/for/*'].updatedId = 'refs/for/new';

        expectedInput = {
          add: {
            'refs/for/new': {
              added: true,
              updatedId: 'refs/for/new',
              permissions: {
                'label-Code-Review': {
                  added: true,
                  rules: {
                    Maintainers: {
                      action: 'ALLOW',
                      added: true,
                      max: 2,
                      min: -2,
                    },
                  },
                  label: 'Code-Review',
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {},
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Modify newly added rule inside new ref.
        element._local['refs/for/*'].permissions['label-Code-Review'].
            rules['Maintainers'].modified = true;
        expectedInput = {
          add: {
            'refs/for/new': {
              added: true,
              updatedId: 'refs/for/new',
              permissions: {
                'label-Code-Review': {
                  added: true,
                  rules: {
                    Maintainers: {
                      action: 'ALLOW',
                      added: true,
                      modified: true,
                      max: 2,
                      min: -2,
                    },
                  },
                  label: 'Code-Review',
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {},
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);

        // Add a second new section.
        MockInteractions.tap(element.$.addReferenceBtn);
        newSection = Polymer.dom(element.root)
            .querySelectorAll('gr-access-section')[2];
        newSection._handleAddPermission();
        flushAsynchronousOperations();
        newSection.$$('gr-permission')._handleAddRuleItem(
            {detail: {value: {id: 'Maintainers'}}});
        // Modify a the reference from the default value.
        element._local['refs/for/**'].updatedId = 'refs/for/new2';
        expectedInput = {
          add: {
            'refs/for/new': {
              added: true,
              updatedId: 'refs/for/new',
              permissions: {
                'label-Code-Review': {
                  added: true,
                  rules: {
                    Maintainers: {
                      action: 'ALLOW',
                      added: true,
                      modified: true,
                      max: 2,
                      min: -2,
                    },
                  },
                  label: 'Code-Review',
                },
              },
            },
            'refs/for/new2': {
              added: true,
              updatedId: 'refs/for/new2',
              permissions: {
                'label-Code-Review': {
                  added: true,
                  rules: {
                    Maintainers: {
                      action: 'ALLOW',
                      added: true,
                      max: 2,
                      min: -2,
                    },
                  },
                  label: 'Code-Review',
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {},
            },
          },
        };
        assert.deepEqual(element._computeAddAndRemove(), expectedInput);
      });

      test('Unsaved added refs are discarded when edit cancelled', () => {
        // Unsaved changes are discarded when editing is cancelled.
        MockInteractions.tap(element.$.editBtn);
        assert.equal(element._sections.length, 1);
        assert.equal(Object.keys(element._local).length, 1);
        MockInteractions.tap(element.$.addReferenceBtn);
        assert.equal(element._sections.length, 2);
        assert.equal(Object.keys(element._local).length, 2);
        MockInteractions.tap(element.$.editBtn);
        assert.equal(element._sections.length, 1);
        assert.equal(Object.keys(element._local).length, 1);
      });

      test('_handleSaveForReview', done => {
        const repoAccessInput = {
          add: {
            'refs/*': {
              permissions: {
                owner: {
                  rules: {
                    123: {action: 'DENY', modified: true},
                  },
                },
              },
            },
          },
          remove: {
            'refs/*': {
              permissions: {
                owner: {
                  rules: {
                    123: {},
                  },
                },
              },
            },
          },
        };
        sandbox.stub(element.$.restAPI, 'getRepoAccessRights').returns(
            Promise.resolve(JSON.parse(JSON.stringify(accessRes))));
        sandbox.stub(Gerrit.Nav, 'navigateToChange');
        const saveForReviewStub = sandbox.stub(element.$.restAPI,
            'setRepoAccessRightsForReview')
            .returns(Promise.resolve({_number: 1}));

        element.repo = 'test-repo';
        sandbox.stub(element, '_computeAddAndRemove').returns(repoAccessInput);

        element._handleSaveForReview().then(() => {
          assert.isTrue(saveForReviewStub.called);
          assert.isTrue(Gerrit.Nav.navigateToChange
              .lastCall.calledWithExactly({_number: 1}));
          done();
        });
      });
    });
  });
</script>