public void BuySnack_NoSnackAvailable_CannotBuy()
{
//Arrange
var snackMachine = new SnackMachine();
//Act
var valid = snackMachine.CanBuySnack(1);
//Assert
false.Should().Equals(valid);
true.Should().Equals(snackMachine.AnyErrors());
Constants.NoSnackAvailableToBuy.Should().Equals(snackMachine.Project());
}
private void BuySnack(string position)
{
var pos = Convert.ToInt32(position);
_mediator.Send(new BuySnackCommand(snackMachine, pos));
if (snackMachine.AnyErrors())
{
Message = snackMachine.Project();
return;
}
NotifyClient("You have bought a snack");
}
public void BuySnack_Cannot_buy_snack_if_not_enough_change_in_machine()
{
var snackMachine = new SnackMachine();
snackMachine.LoadSnacks(1, new SnackPile(Snack.None, 1, 0.5m));
snackMachine.InsertMoney(Dollar);
var valid = snackMachine.CanBuySnack(1);
//Assert
false.Should().Equals(valid);
true.Should().Equals(snackMachine.AnyErrors());
Constants.NotEnoughChange.Should().Equals(snackMachine.Project());
}
public void BuySnack_Can_buy_snack_if_enough_change_in_machine()
{
var snackMachine = new SnackMachine(Dollar + Dollar);
snackMachine.LoadSnacks(1, new SnackPile(Snack.None, 1, 3m));
snackMachine.InsertMoney(FiveDollar);
var valid = snackMachine.CanBuySnack(1);
//Assert
true.Should().Equals(valid);
false.Should().Equals(snackMachine.AnyErrors());
snackMachine.Project().Should().Be(string.Empty);
}
public void BuySnack_Cannot_NotEnoughMoneyInserted_CannotBuy()
{
//Arrange
var snackMachine = new SnackMachine();
snackMachine.LoadSnacks(1, new SnackPile(Snack.None, 1, 2m));
//Action
snackMachine.InsertMoney(Dollar);
var valid = snackMachine.CanBuySnack(1);
//Assert
false.Should().Equals(valid);
true.Should().Equals(snackMachine.AnyErrors());
Constants.NotEnoughMoneyInserted.Should().Equals(snackMachine.Project());
}