public async void Name_Update_length()
        {
            Mock <IStoreRepository> storeRepository = new Mock <IStoreRepository>();

            storeRepository.Setup(x => x.Get(It.IsAny <int>())).Returns(Task.FromResult(new Store()));

            var validator = new ApiStoreRequestModelValidator(storeRepository.Object);
            await validator.ValidateUpdateAsync(default(int), new ApiStoreRequestModel());

            validator.ShouldHaveValidationErrorFor(x => x.Name, new string('A', 51));
        }
        public async void Name_Create_null()
        {
            Mock <IStoreRepository> storeRepository = new Mock <IStoreRepository>();

            storeRepository.Setup(x => x.Get(It.IsAny <int>())).Returns(Task.FromResult(new Store()));

            var validator = new ApiStoreRequestModelValidator(storeRepository.Object);
            await validator.ValidateCreateAsync(new ApiStoreRequestModel());

            validator.ShouldHaveValidationErrorFor(x => x.Name, null as string);
        }
        public async void SalesPersonID_Create_Invalid_Reference()
        {
            Mock <IStoreRepository> storeRepository = new Mock <IStoreRepository>();

            storeRepository.Setup(x => x.SalesPersonBySalesPersonID(It.IsAny <int>())).Returns(Task.FromResult <SalesPerson>(null));

            var validator = new ApiStoreRequestModelValidator(storeRepository.Object);

            await validator.ValidateCreateAsync(new ApiStoreRequestModel());

            validator.ShouldHaveValidationErrorFor(x => x.SalesPersonID, 1);
        }