describe('factory vnModuleLoader', () => {
    let vnModuleLoader;
    let $scope;

    beforeEach(ngModule('vnCore'));

    beforeEach(angular.mock.inject((_vnModuleLoader_, $rootScope) => {
        vnModuleLoader = _vnModuleLoader_;
        $scope = $rootScope;
    }));

    describe('load()', () => {
        it('should return truthy promise if the module was loaded', async() => {
            vnModuleLoader._loaded.myModule = true;

            let result = await vnModuleLoader.load('myModule', {myValidations: () => {}});

            expect(result).toEqual(true);
        });

        it('should return a promise if the module was still a promise', () => {
            vnModuleLoader._loaded.myModule = new Promise(() => {
                return 'I promise you a module!';
            });

            let result = vnModuleLoader.load('myModule', {myValidations: () => {}});

            expect(result).toEqual(jasmine.any(Promise));
        });

        it('should return an error if the module wasnt loaded', done => {
            vnModuleLoader._loaded.myModule = false;

            vnModuleLoader.load('myModule', {myValidations: () => {}})
                .then(() => {
                    done.fail('this must fail');
                })
                .catch(error => {
                    expect(error.toString()).toEqual(`Error: Module dependency loop detected: myModule`);
                    done();
                });
            $scope.$apply();
        });
    });
});