public void Buy_ControlPassedToPaymentSystem()
{
DeliverySystemSubstitute deliverySystem = new DeliverySystemSubstitute();
deliverySystem.ResultOfIsItemPresent = true;
deliverySystem.ResultOfTryDeliverItem = true;
VendingMachine vendingMachine = new VendingMachine(deliverySystem);
VendingItem item = new VendingItem(new VendingItemId(0), ItemType.Drink, "Water", 1);
vendingMachine.AddItemToCatalogue(item);
PaymentSystemSubstitute paymentSystem = new PaymentSystemSubstitute();
paymentSystem.ResultOfWithholdOfPayment = true;
bool controlPassed;
try
{
vendingMachine.BuyItem(item, paymentSystem);
controlPassed = paymentSystem.ControlPassedTryWithholdPayment && paymentSystem.ControlPassedCompleteTransaction;
}
catch (Exception e)
{
controlPassed = paymentSystem.ControlPassedTryWithholdPayment && paymentSystem.ControlPassedRevokeTransaction;
Assert.IsTrue(controlPassed);
}
Assert.IsTrue(controlPassed);
}
public void Buy_DenialOfPaymentSystem_ThrowsException()
{
DeliverySystemSubstitute deliverySystem = new DeliverySystemSubstitute();
deliverySystem.ResultOfIsItemPresent = true;
deliverySystem.ResultOfTryDeliverItem = true;
VendingMachine vendingMachine = new VendingMachine(deliverySystem);
VendingItem item = new VendingItem(new VendingItemId(0), ItemType.Drink, "Water", 1);
vendingMachine.AddItemToCatalogue(item);
PaymentSystemSubstitute paymentSystem = new PaymentSystemSubstitute();
paymentSystem.ResultOfWithholdOfPayment = false;
Assert.Catch(() => vendingMachine.BuyItem(item, paymentSystem));
}
public void Buy_ControlPassedToDeliverySystem()
{
DeliverySystemSubstitute deliverySystem = new DeliverySystemSubstitute();
deliverySystem.ResultOfIsItemPresent = true;
deliverySystem.ResultOfTryDeliverItem = true;
VendingMachine vendingMachine = new VendingMachine(deliverySystem);
VendingItem item = new VendingItem(new VendingItemId(0), ItemType.Drink, "Water", 1);
vendingMachine.AddItemToCatalogue(item);
PaymentSystemSubstitute paymentSystem = new PaymentSystemSubstitute();
paymentSystem.ResultOfWithholdOfPayment = true;
vendingMachine.BuyItem(item, paymentSystem);
bool controlPassed = deliverySystem.ControlPassedIsItemPresent && deliverySystem.ControlPassedTryDeliverItem;
Assert.IsTrue(controlPassed);
}