public Program()
{
ca = new ChangeAlgorithm();
vm = new TheVendingMachine(ca);
FillFloat();
StockMachine();
}
public void Buy_ProductNotAvailable()
{
IVendingMachine vm = new TheVendingMachine(changeAlgorithm);
Product selection = new Product("Fanta", 1.1M);
Money moneyIn = new Money();
moneyIn.Add(DenominationEnum.TwoEuro, 1);
ProductAndChange pac = vm.buy(selection.Name, moneyIn);
Assert.IsNotNull(pac);
Assert.AreEqual(ResultEnum.NoProduct, pac.Result, "Result incorrect. No product expected.");
Assert.IsFalse(String.IsNullOrEmpty(pac.Message), "Message incorrect.");
}
/// <summary>
/// Creates a sample vending machine with a float that has few coins and a single product.
/// </summary>
/// <returns></returns>
private IVendingMachine SampleVendingMachine_LimitedFloat()
{
IVendingMachine vm = new TheVendingMachine(changeAlgorithm);
//fill the vending machine with products
fanta = new Product("Fanta", 2.3M);
vm.addProduct(fanta, 1);
//fill the vending machine with change
Money moneyFloat = new Money();
moneyFloat.Add(DenominationEnum.FiftyCents, 1);
vm.addToFloat(moneyFloat);
return(vm);
}
public void Buy_NotEnoughMoney()
{
IVendingMachine vm = new TheVendingMachine(changeAlgorithm);
Product selection = new Product("Fanta", 1.1M);
vm.addProduct(selection, 1);
Money tendered = new Money();
tendered.Add(DenominationEnum.TenCents, 1);
ProductAndChange pac = vm.buy(selection.Name, tendered);
Assert.IsNotNull(pac);
Assert.AreEqual(ResultEnum.NotEnoughMoney, pac.Result, "Result incorrect. Not enough money expected.");
Assert.IsFalse(String.IsNullOrEmpty(pac.Message), "Message incorrect.");
}
