public bool PerformFullCreditProcess(
string cardNumber,
decimal amount,
out string authToken)
{
authToken = string.Empty;
try
{
_gateway.ValidateCard(cardNumber);
}
catch (InvalidOperationException)
{
return(false);
}
if (_gateway.CheckIfCreditAvailable(cardNumber, amount))
{
var id = _gateway.ReserveCredit(cardNumber, amount);
if (id == Guid.Empty)
{
return(false);
}
else
{
_gateway.LogReservation(cardNumber, id, amount);
authToken = _gateway.CompleteTransaction(cardNumber, id);
return(true);
}
}
else
{
return(false);
}
}
public void CreditNotAvailableTest()
{
var cardNumber = "342844743236943";
string token = string.Empty;
_gateway.CompleteTransaction(cardNumber,
_gateway.ReserveCredit(cardNumber, 500m));
var sut = new TransactionProcessor(_gateway);
sut.PerformFullCreditProcess(cardNumber, 500m, out token);
Assert.Equal(string.Empty, token);
}