public void ShouldDiscountFixedAmount()
{
long price = 1000;
flatRateDiscountStratigy = new FlatRateDiscountStratigy(price);
long discount = flatRateDiscountStratigy.Discount();
Assert.Equal(700, discount);
}
public IDiscountStrategy CreateDiscountStratigy(int couponCode, long productPrice)
{
IDiscountStrategy stratigy;
switch (couponCode)
{
case (int)CouponCodes.FlatRateCode:
stratigy = new FlatRateDiscountStratigy(productPrice);
break;
case (int)CouponCodes.PercentageCode:
stratigy = new PercentageDiscountStrategy(productPrice);
break;
case (int)CouponCodes.PercentageLimitCode:
stratigy = new PercentageLimitDiscountStrategy(productPrice);
break;
default:
throw new ApplicationException($"Sorry! {couponCode} is not a valid Coupon code.");
}
return(stratigy);
}