public void Cannot_make_purchase_when_there_is_no_snacks() { var snackMachine = new SnackMachine(); Action action = () => snackMachine.BuySnack(1); action.ShouldThrow<InvalidOperationException>(); }
public void Cannot_make_purchase_if_not_enough_money_inserted() { var snackMachine = new SnackMachine(); snackMachine.LoadSnacks(1, new SnackPile(Chocolate, 1, 2m)); snackMachine.InsertMoney(Dollar); Action action = () => snackMachine.BuySnack(1); action.ShouldThrow<InvalidOperationException>(); }
public void BuySnack_trades_inserted_money_for_a_snack() { var snackMachine = new SnackMachine(); snackMachine.LoadSnacks(1, new SnackPile(Chocolate, 10, 1m)); snackMachine.InsertMoney(Dollar); snackMachine.BuySnack(1); snackMachine.MoneyInTransaction.Should().Be(0m); snackMachine.MoneyInside.Amount.Should().Be(1m); snackMachine.GetSnackPile(1).Quantity.Should().Be(9); }
public void Cannot_buy_snack_if_not_enough_change() { var snackMachine = new SnackMachine(); snackMachine.LoadSnacks(1, new SnackPile(Chocolate, 1, 0.5m)); snackMachine.InsertMoney(Dollar); Action action = () => snackMachine.BuySnack(1); action.ShouldThrow<InvalidOperationException>(); }
public void After_purchase_change_is_returned() { var snackMachine = new SnackMachine(); snackMachine.LoadSnacks(1, new SnackPile(Chocolate, 1, 0.5m)); snackMachine.LoadMoney(TenCent * 10); snackMachine.InsertMoney(Dollar); snackMachine.BuySnack(1); snackMachine.MoneyInside.Amount.Should().Be(1.5m); snackMachine.MoneyInTransaction.Should().Be(0m); }