public void VendingMachine_FinishTransaction()
{
// Arrange
List <VendingMachineItem> exampleItems = new List <VendingMachineItem>
{
new VendingMachineItem("Butterfinger", 1.00M, ItemType.Candy, 5),
new VendingMachineItem("Coke", 1.25M, ItemType.Drink, 5),
new VendingMachineItem("Bubbleyum", 2.00M, ItemType.Gum, 4)
};
VendingMachine vendingMachine = new VendingMachine(exampleItems);
// Act
VendingMachineTransaction result = vendingMachine.FinishTransaction();
VendingMachineTransaction expectedResult = new VendingMachineTransaction(TransactionType.GiveChange, 0);
// Assert
AssertTransaction(expectedResult, result);
// Arrange part 2
vendingMachine.FeedMoney(5);
vendingMachine.PurchaseItem(ItemType.Candy, 5);
vendingMachine.PurchaseItem(ItemType.Drink, 5);
vendingMachine.PurchaseItem(ItemType.Gum, 4);
// Expect $0.75
Assert.AreEqual(0.75M, vendingMachine.CurrentBalance);
// Act part 2
result = vendingMachine.FinishTransaction();
expectedResult = new VendingMachineTransaction(TransactionType.GiveChange, 0.75M);
// Assert part 2
AssertTransaction(expectedResult, result);
}
public void VendingMachine_PurchaseItem()
{
// Purchase item transactions
//InvalidPurchase,
// Arrange
List <VendingMachineItem> exampleItems = new List <VendingMachineItem>
{
new VendingMachineItem("Butterfinger", 1.00M, ItemType.Candy, 5),
new VendingMachineItem("Coke", 1.25M, ItemType.Drink, 5),
new VendingMachineItem("Bubbleyum", 2.00M, ItemType.Gum, 4)
};
VendingMachine vendingMachine = new VendingMachine(exampleItems);
vendingMachine.FeedMoney(10);
// Act
VendingMachineTransaction result = vendingMachine.PurchaseItem(ItemType.Candy, 5);
VendingMachineTransaction expectedResult = new VendingMachineTransaction(TransactionType.PurchaseItem, exampleItems[0]);
// Assert
AssertTransaction(expectedResult, result);
// Act part 2
// Item out of Stock..
result = vendingMachine.PurchaseItem(ItemType.Candy, 5);
result = vendingMachine.PurchaseItem(ItemType.Candy, 5);
result = vendingMachine.PurchaseItem(ItemType.Candy, 5);
result = vendingMachine.PurchaseItem(ItemType.Candy, 5);
result = vendingMachine.PurchaseItem(ItemType.Candy, 5);
expectedResult = new VendingMachineTransaction(TransactionType.ItemOutOfStock, exampleItems[0]);
// Assert part 2
AssertTransaction(expectedResult, result);
// Act part 3
// NotSufficientFunds..
result = vendingMachine.PurchaseItem(ItemType.Gum, 4);
result = vendingMachine.PurchaseItem(ItemType.Gum, 4);
result = vendingMachine.PurchaseItem(ItemType.Drink, 5);
expectedResult = new VendingMachineTransaction(TransactionType.NotSufficientFunds, exampleItems[1]);
// Assert part 3
AssertTransaction(expectedResult, result);
// Act part 4
// InvalidPurchase
vendingMachine.FeedMoney(5);
result = vendingMachine.PurchaseItem(ItemType.Gum, 7);
expectedResult = new VendingMachineTransaction(TransactionType.InvalidPurchase, 0, null);
// Assert part 4
AssertTransaction(expectedResult, result);
}
public void VendingMachine_FeedMoney()
{
// Arrange
VendingMachine vendingMachine = new VendingMachine(new List <VendingMachineItem>());
VendingMachineTransaction expectedResult = new VendingMachineTransaction(TransactionType.FeedMoney, 20);
// Act -- Tests for $20 inserted
VendingMachineTransaction result = vendingMachine.FeedMoney(20);
// Assert
Assert.AreEqual(20, vendingMachine.CurrentBalance);
AssertTransaction(expectedResult, result);
// Act part 2 -- Tests for "-$20" inserted
result = vendingMachine.FeedMoney(-20);
expectedResult = new VendingMachineTransaction(TransactionType.InvalidBill, 0);
// Assert part 2
Assert.AreEqual(20, vendingMachine.CurrentBalance);
AssertTransaction(expectedResult, result);
// Act part 3 -- Tests for "$10" inserted
result = vendingMachine.FeedMoney(10);
expectedResult = new VendingMachineTransaction(TransactionType.FeedMoney, 10);
// Assert part 3
Assert.AreEqual(30, vendingMachine.CurrentBalance);
AssertTransaction(expectedResult, result);
// Act part 4 -- Tests for "$6" inserted
result = vendingMachine.FeedMoney(6);
expectedResult = new VendingMachineTransaction(TransactionType.InvalidBill, 0);
// Assert part 4
Assert.AreEqual(30, vendingMachine.CurrentBalance);
AssertTransaction(expectedResult, result);
}
private static void AssertTransaction(VendingMachineTransaction expectedResult, VendingMachineTransaction result)
{
Assert.AreEqual(expectedResult.Amount, result.Amount, "\nTransaction amount mismatch.");
Assert.AreEqual(expectedResult.Type, result.Type, "\nDifferent transaction types.");
Assert.AreEqual(expectedResult.Item, result.Item, "\nTransaction item mismatch.");
}
