public void InsertMoney_GivenUnacceptableMoney_ThrowsException()
{
// Arrange
IVMLogic vml = new VMLogic();
// Act & Assert
Assert.Throws <ArgumentException>(() => vml.InsertMoney(-1));
}
public void Restock_GoodStuff_ItsAddedInTheSystem()
{
// Arrange
IVMLogic vml = new VMLogic();
IProduct newProduct = new Cookie();
int bignumber = 999;
while (bignumber-- > 0)
{
vml.InsertMoney(vml.GetAcceptableMoneyDenominators()[0]); //Add tons of acceptable money to the system
}
// Act
vml.Restock(2, newProduct);
// Assert
Assert.Equal(newProduct, vml.Purchase(2));
}
public void Purchase_SufficientMoney_ReturnsTheProduct()
{
// Arrange
IVMLogic vml = new VMLogic();
// Act
int bignumber = 999;
while (bignumber-- > 0)
{
vml.InsertMoney(vml.GetAcceptableMoneyDenominators()[0]); //Add tons of acceptable money to the system
}
ProductInfo pinfo = vml.GetAvailableProducts()[0];
IProduct result = vml.Purchase(1);
// Assert
Assert.Equal(pinfo.Id, result.Examine().Id);
}
public void InsertMoney_GivenAcceptableMoney_StoresMyMoney()
{
// Arrange
IVMLogic vml = new VMLogic();
// Act
int[] okMoney = vml.GetAcceptableMoneyDenominators();
int sum = 0;
foreach (var item in okMoney)
{
vml.InsertMoney(item);
sum += item;
}
// Assert
Assert.Equal(sum, vml.RetrieveChange());
Assert.Equal(0, vml.RetrieveChange()); //Retrieving the change should remove money from system
}