public void TestCreateDiscount()
{
IDiscount discount = new ValueDiscount("12324", 3);
Assert.AreEqual("12324", discount.ProductId);
Assert.AreEqual(3, discount.Value);
Assert.IsNull(discount.ValidFrom);
Assert.IsNull(discount.ValidTo);
Assert.IsTrue(discount.IsActive);
}
public void TestCalculateValueDiscount()
{
Product product = new Product("Apples", 2, UnitType.bag);
IDiscount discount = new ValueDiscount("prodId", 0.5m);
string message = "";
decimal discountValue = discount.CalculateDiscount(product, out message);
Assert.AreEqual(0.5m, discountValue);
Console.WriteLine(message);
Assert.AreEqual("Apples 50p off: -50p", message);
}
