private Basket InitialiseBasket()
{
var mockDiscountValidator = new Mock <IValidateAppliedDiscounts>();
mockDiscountValidator
.Setup(x => x.CanApplyDiscount(It.IsAny <IEnumerable <IMayApplyDiscount> >(), It.IsAny <IMayApplyDiscount>()))
.Returns(DiscountApplicationResult.CreateSuccess());
return(new Basket(mockDiscountValidator.Object));
}
public void AddVoucher_DelegatesToValidator()
{
var discountToAddMock = new Mock <IMayApplyDiscount>();
var expectedValidationResult = DiscountApplicationResult.CreateSuccess();
_discountValidatorMock
.Setup(x => x.CanApplyDiscount(It.IsAny <IEnumerable <IMayApplyDiscount> >(), discountToAddMock.Object))
.Returns(expectedValidationResult)
.Verifiable();
var basket = new Basket(_discountValidatorMock.Object);
var applicationResult = basket.AddVoucher(discountToAddMock.Object);
Assert.Equal(expectedValidationResult, applicationResult);
_discountValidatorMock.Verify(x => x.CanApplyDiscount(It.IsAny <IEnumerable <IMayApplyDiscount> >(), discountToAddMock.Object), Times.Once);
}