static void Main(string[] args)
{
var withdrawalStrategy = new LargestBillsOnly();
var inventory = new AtmInventory();
inventory.ResetInventory(AtmInventory.DefaultInventory());
var atm = new AtmMachine(withdrawalStrategy, inventory);
var commandFactory = new CommandFactory();
var done = false;
do
{
var input = Console.ReadLine();
var command = commandFactory.CreateCommand(input);
if (command.IsExit)
{
done = true;
}
else
{
command.Execute(atm);
}
} while (done != true);
}
public void GivenAdequatelyStockedInventoryWhenWithdrawalIsMadeThenSuccessIsIndicated()
{
// Arrange
IWithdrawalStrategy sut = new LargestBillsOnly();
var amountToWithdraw = 28;
var atmInventoryMock = new Mock <IAtmInventory>();
atmInventoryMock.Setup(inv => inv.Withdraw(It.IsAny <IReadOnlyCashTransaction>())).Returns(true);
// Act
var actual = sut.Withdraw(amountToWithdraw, atmInventoryMock.Object);
// Assert
Assert.True(actual.IsSuccess, "Expecting a success response but instead got failure.");
Assert.True(string.IsNullOrEmpty(actual.FailureReason), $"Expected empty or null instead {actual.FailureReason}");
Assert.Equal <int>(amountToWithdraw, actual.Details.TotalAmount);
Assert.Equal <int>(1, actual.Details.BillCount(UnitedStatesTender.TwentyDollar));
Assert.Equal <int>(1, actual.Details.BillCount(UnitedStatesTender.FiveDollar));
Assert.Equal <int>(3, actual.Details.BillCount(UnitedStatesTender.OneDollar));
}
public void GivenInAdequatelyStockedInventoryWhenWithdrawalIsMadeThenFailureIsIndicated()
{
// Arrange
var expectedFailureReason = "insufficient funds";
IWithdrawalStrategy sut = new LargestBillsOnly();
var amountToWithdraw = 28;
var atmInventoryMock = new Mock <IAtmInventory>();
atmInventoryMock.Setup(inv => inv.Withdraw(It.IsAny <IReadOnlyCashTransaction>())).Returns(false);
// Act
var actual = sut.Withdraw(amountToWithdraw, atmInventoryMock.Object);
// Assert
Assert.False(actual.IsSuccess, "Expecting a failure response but instead got success.");
Assert.True((string.Compare(expectedFailureReason, actual.FailureReason, true) == 0), $"Expected '{expectedFailureReason}' actual '{actual.FailureReason}'");
Assert.Equal <int>(amountToWithdraw, actual.Details.TotalAmount);
Assert.Equal <int>(1, actual.Details.BillCount(UnitedStatesTender.TwentyDollar));
Assert.Equal <int>(1, actual.Details.BillCount(UnitedStatesTender.FiveDollar));
Assert.Equal <int>(3, actual.Details.BillCount(UnitedStatesTender.OneDollar));
}
