public void GivenADuplicatePaymentRequest_ShouldNotTalkToBank_AndShouldThrowBadRequestException()
{
// arrange
_paymentHistoryRepo.IsDuplicate(Arg.Any <string>()).Returns(true);
var handler = new ProcessPaymentHandler(_paymentHistoryRepo, _bankApi);
var paymentRequest = BuildValidTestPaymentRequest();
// act
var ex = Assert.Throws <BadRequestException>(() => handler.Handle(paymentRequest));
// assert
Assert.Equal("Duplicate request.", ex.Message);
}
public bool Handle(PaymentRequest paymentRequest)
{
if (_paymentHistoryRepo.IsDuplicate(paymentRequest.RequestId))
{
throw new BadRequestException("Duplicate request.");
}
var isSuccessfulPayment = _bankApi.MakePayment(paymentRequest);
//(assume response bool for simplicity although in reality will prob be http)
if (isSuccessfulPayment)
{
_paymentHistoryRepo.LogPayment(Utils.MapToLoggedPaymentRequest(paymentRequest, true));
return(true);
}
_paymentHistoryRepo.LogPayment(Utils.MapToLoggedPaymentRequest(paymentRequest, false));
return(false);
}
