public void Checkout_Has_BasketInfo()
{
ICheckout co = new Checkout(new PricingEngine());
BasketInfo info = co.GetBasketInfo();
Assert.IsNotNull(info);
}
public void If_Scan_A_Then_BasketInfo_Has_A_Once()
{
ICheckout co = new Checkout(new PricingEngine());
co.Scan("A");
BasketInfo info = co.GetBasketInfo();
int countA = info.GetCount("A");
int expectedCountA = 1;
Assert.AreEqual(expectedCountA, countA);
}