public async Task <IActionResult> Post(PaymentRequestDto paymentRequest)
{
try
{
if (ModelState.IsValid)
{
var paymentState = await _paymentRequestService.Pay(paymentRequest);
var paymentResponse = new PaymentResponseDto()
{
IsProcessed = paymentState.PaymentState == PaymentStateEnum.Processed
,
PaymentState = paymentState
};
if (!paymentResponse.IsProcessed)
{
return(StatusCode(500, new { error = "Payment could not be processed" }));
}
return(Ok(paymentResponse));
}
else
{
return(BadRequest(ModelState));
}
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
return(StatusCode(500));
}
}
public async Task <IActionResult> ProcessPayment(PaymentRequestDto paymentRequest)
{
try
{
if (ModelState.IsValid)
{
var paymentState = await _paymentRequestService.Pay(paymentRequest);
if (!(paymentState.PaymentState == PaymentStateEnum.Processed))
{
return(StatusCode(400, "400 bad request"));
}
return(StatusCode(200, "200 Ok"));
}
else
{
return(StatusCode(400, "400 bad request"));
}
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
return(StatusCode(500, "500 internal server error"));
}
}
public async Task Test_PaymentRequestService_Pay(PaymentRequestDto paymentRequestDto, PaymentStateDto cheapGatewayResponseDto, int timesCheapGatewayCalled, PaymentStateDto expensiveGatewayResponseDto, int timesExpensiveGatewayCalled, PaymentStateEnum expectedPaymentStateEnum)
{
//arrange
_cheapPaymentGateway.Setup(s => s.ProcessPayment(paymentRequestDto)).Returns(cheapGatewayResponseDto);
_expensivePaymentGateway.Setup(s => s.ProcessPayment(paymentRequestDto)).Returns(expensiveGatewayResponseDto);
//act
var paymentStateDto = await _paymentRequestService.Pay(paymentRequestDto);
//assert
Assert.IsNotNull(paymentStateDto);
Assert.AreEqual(paymentStateDto.PaymentState, expectedPaymentStateEnum);
_cheapPaymentGateway.Verify(s => s.ProcessPayment(paymentRequestDto), Times.Exactly(timesCheapGatewayCalled));
_expensivePaymentGateway.Verify(s => s.ProcessPayment(paymentRequestDto), Times.Exactly(timesExpensiveGatewayCalled));
}