public void ShoppingBasket_CheckCalculateTotalPrice_WitMultipleDiscounts()
{
// Arrange
var multlpleDiscounts = new Mock <IDiscount>();
multlpleDiscounts.Setup(mock => mock.DiscountsApplicable(It.IsAny <IEnumerable <ProductQuantity> >()))
.Returns(DiscountHelper.CreateMultipleAppliedDiscounts());
var shoppingBasket = new ShoppingBasket(new List <IDiscount> {
multlpleDiscounts.Object
});
shoppingBasket.AddProducts(ProductQuantityHelper.CreateProducts());
// Act
var discountsTotal = shoppingBasket.GetBasketDiscounts().Sum(item => item.Amount);
var result = shoppingBasket.SubTotal - discountsTotal;
// Assert
Assert.AreEqual(result, 2.80m);
}
