$scope.saveFailure = function (response) {
        var errs = [];
        response.data.forEach((entry) => errs.push("options." + entry.dataField));
        if (errs.length > 0) $scope.$emit('datafields:errors', errs);

        $scope.gotoTop();
        $scope.processing = false;
    };

var mockFailureResponse;

beforeEach(function () {
    mockFailureResponse = {
        data: [],
    };
});

it('saveFailure should set processing to false', function () {
    $scope.processing = true;
    $scope.saveFailure(mockFailureResponse);
    expect($scope.processing).toBe(false);
});
it('saveFailure should call goToTop()', function () {
    spyOn($scope, 'gotoTop');
    $scope.saveFailure(mockFailureResponse);
    expect($scope.gotoTop).toHaveBeenCalled();
});
it('saveFailure should emit datafield errors when present', function () {
    spyOn($scope, '$emit');
    mockFailureResponse = {
        data: [{dataField: "field"}],
    };
    $scope.saveFailure(mockFailureResponse);
    expect($scope.$emit).toHaveBeenCalledWith('datafields:errors', ['options.field']);
});
it('saveFailure should not emit datafield errors non are present', function () {
    spyOn($scope, '$emit');
    $scope.saveFailure(mockFailureResponse);
    expect($scope.$emit.calls.count()).toEqual(0);
});

it('saveFailure should handle failed requests', function () {
    spyOn($scope, '$emit');
    let mockFailureResponse = {
        data: [],
    };
    $scope.saveFailure(mockFailureResponse);
    expect($scope.$emit.calls.count()).toEqual(0);

    mockFailureResponse = {
        data: [{ dataField: "field" }],
    };
    $scope.saveFailure(mockFailureResponse);
    expect($scope.$emit).toHaveBeenCalledWith('datafields:errors', ['options.field']);

    spyOn($scope, 'gotoTop');
    $scope.saveFailure(mockFailureResponse);
    expect($scope.gotoTop).toHaveBeenCalled();

    $scope.processing = true;
    $scope.saveFailure(mockFailureResponse);
    expect($scope.processing).toBe(false);
});