public void CustomerIsAbleToSelectProductAndReceiveChange()
{
var vendingService = new VendingService();
vendingService.AddStock(Item.Pepsi);
vendingService.AcceptCoin("quarter");
vendingService.AcceptCoin("penny");
vendingService.AcceptCoin("quarter");
vendingService.AcceptCoin("dime");
vendingService.AcceptCoin("dime");
Assert.That(vendingService.GetDisplay(), Is.EqualTo("£0.71"));
vendingService.SelectProduct(Item.Pepsi);
Assert.That(vendingService.GetDisplay(), Is.EqualTo("THANK YOU"));
Assert.That(vendingService.GetDisplay(), Is.EqualTo("INSERT COIN"));
var change = vendingService.EmptyCoinReturn();
foreach (var coin in change)
{
vendingService.AcceptCoin(coin);
}
Assert.That(vendingService.GetDisplay(), Is.EqualTo("£0.36"));
vendingService.SelectProduct(Item.Pepsi);
Assert.That(vendingService.GetDisplay(), Is.EqualTo("SOLD OUT"));
Assert.That(vendingService.GetDisplay(), Is.EqualTo("£0.36"));
}
public void WhenProductIsSelectedMachineDisplaysProductPriceThenStandardDisplay()
{
vendingService.SelectProduct(Item.Coke);
Assert.That(vendingService.GetDisplay(), Is.EqualTo("PRICE £0.25"));
Assert.That(vendingService.GetDisplay(), Is.EqualTo("INSERT COIN"));
}
public void CustomerIsAbleToReturnCoinsAfterSelectingSoldOutProduct()
{
var vendingService = new VendingService();
vendingService.AddStock(Item.Pepsi);
vendingService.AcceptCoin("quarter");
vendingService.AcceptCoin("quarter");
vendingService.AcceptCoin("quarter");
vendingService.AcceptCoin("quarter");
Assert.That(vendingService.GetDisplay(), Is.EqualTo("£1.00"));
vendingService.SelectProduct(Item.Coke);
Assert.That(vendingService.GetDisplay(), Is.EqualTo("SOLD OUT"));
Assert.That(vendingService.GetDisplay(), Is.EqualTo("£1.00"));
vendingService.ReturnCoins();
Assert.That(vendingService.EmptyCoinReturn(), Is.EquivalentTo(new[] { "quarter", "quarter", "quarter", "quarter" }));
}
public void WhenSelectedProductIsOutOfStockThenDisplaySoldOut()
{
vendingService.SelectProduct(Item.Soda);
Assert.That(vendingService.GetDisplay(), Is.EqualTo("SOLD OUT"));
}
