public Slot(SnackMachine snackMachine, int position)
: this()
{
SnackMachine = snackMachine;
Position = position;
SnackPile = SnackPile.Empty;
}
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_insert_more_than_one_coin_or_note_at_a_time()
{
var snackMachine = new SnackMachine();
Money twoCent = Cent + Cent;
Action action = () => snackMachine.InsertMoney(twoCent);
action.ShouldThrow<InvalidOperationException>();
}
public void Inserted_money_goes_to_money_in_transaction()
{
var snackMachine = new SnackMachine();
snackMachine.InsertMoney(Cent);
snackMachine.InsertMoney(Dollar);
snackMachine.MoneyInTransaction.Should().Be(1.01m);
}
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 Return_money_empties_money_in_transaction()
{
//Arrange
var snackMachine = new SnackMachine();
snackMachine.InsertMoney(Dollar);
//Act
snackMachine.ReturnMoney();
//Assert
snackMachine.MoneyInTransaction.Should().Be(0m);
}
public void Snack_machine_returns_money_with_highest_denomination_first()
{
SnackMachine snackMachine = new SnackMachine();
snackMachine.LoadMoney(Dollar);
snackMachine.InsertMoney(Quarter);
snackMachine.InsertMoney(Quarter);
snackMachine.InsertMoney(Quarter);
snackMachine.InsertMoney(Quarter);
snackMachine.ReturnMoney();
snackMachine.MoneyInside.QuarterCount.Should().Be(4);
snackMachine.MoneyInside.OneDollarCount.Should().Be(0);
}
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);
}
