public async Task Can_retrieve_payment_details_using_BankPaymentId(BankPaymentStatus paymentBankStatus, PaymentGateway.Domain.PaymentStatus expectedStatusInPaymentDetails)
{
var requestId = Guid.NewGuid();
var paymentRequest = new PaymentRequest(requestId, MerchantsRepository.Amazon, new Money("EUR", 42.66), new PaymentGateway.Infrastructure.Card("4524 4587 5698 1200", "05/19", "321"));
var gatewayPaymentId = Guid.NewGuid();
IGenerateGuid guidGenerator = new GuidGeneratorForTesting(gatewayPaymentId);
var bankPaymentId = Guid.Parse("3ec8c76c-7dc2-4769-96f8-7e0649ecdfc0");
var cqrs = await PaymentCQRS.Build(paymentBankStatus, new BankPaymentIdGeneratorForTests(bankPaymentId), new AlwaysSuccessBankConnectionBehavior(), new DelayProviderForTesting(TimeSpan.FromMilliseconds(1)), PaymentCQRS.TimeoutProviderForBankResponseWaiting(TimeSpan.FromMilliseconds(200)), Substitute.For <IKnowBufferAndReprocessPaymentRequest>(), Substitute.For <IAmCircuitBreakers>());
await cqrs.RequestsController.ProceedPaymentRequest(paymentRequest, guidGenerator, cqrs.PaymentRequestsMemory, cqrs.PaymentProcessor);
var payment = (await cqrs.PaymentReadController.GetPaymentInfo(gatewayPaymentId)).Value;
Check.That(payment.AcquiringBankPaymentId).HasAValue();
var paymentDetails = (await cqrs.PaymentDetailsReadController.GetPaymentDetails(payment.AcquiringBankPaymentId.Value)).Value;
// The response should include a masked card number and card details along with a
// status code which indicates the result of the payment.
Check.That(paymentDetails.Card.Number).IsEqualTo("4524 XXXX XXXX XXXX");
Check.That(paymentDetails.Card.Expiry).IsEqualTo("05/19");
Check.That(paymentDetails.Card.Cvv).IsEqualTo("321");
Check.That(paymentDetails.Status).IsEqualTo(expectedStatusInPaymentDetails);
Check.That(paymentDetails.Approved).IsEqualTo(expectedStatusInPaymentDetails == PaymentStatus.Success);
Check.That(paymentDetails.AcquiringBankPaymentId).IsEqualTo(bankPaymentId);
}
public async Task Create_payment_When_handling_PaymentRequest()
{
var requestId = Guid.NewGuid();
var paymentRequest = TestsUtils.BuildPaymentRequest(requestId, MerchantsRepository.Apple);
var gatewayPaymentId = Guid.NewGuid();
IGenerateGuid guidGenerator = new GuidGeneratorForTesting(gatewayPaymentId);
var cqrs = await PaymentCQRS.Build(BankPaymentStatus.Accepted, new BankPaymentIdGeneratorForTests(Guid.Parse("3ec8c76c-7dc2-4769-96f8-7e0649ecdfc0")), new AlwaysSuccessBankConnectionBehavior(), new DelayProviderForTesting(TimeSpan.FromMilliseconds(1)), PaymentCQRS.TimeoutProviderForBankResponseWaiting(TimeSpan.FromMilliseconds(200)), Substitute.For <IKnowBufferAndReprocessPaymentRequest>(), Substitute.For <IAmCircuitBreakers>());
var response = await cqrs.RequestsController.ProceedPaymentRequest(paymentRequest, guidGenerator, new PaymentRequestsMemory(), cqrs.PaymentProcessor);
CheckThatPaymentResourceIsCorrectlyCreated(response, gatewayPaymentId, requestId);
}
public async Task Return_all_payments_s_GatewayId()
{
var requestId = Guid.NewGuid();
var paymentRequest = TestsUtils.BuildPaymentRequest(requestId, MerchantsRepository.Amazon);
var gatewayPaymentId = Guid.NewGuid();
IGenerateGuid gatewayPaymentIdGenerator = new GuidGeneratorForTesting(gatewayPaymentId);
var cqrs = await PaymentCQRS.Build(BankPaymentStatus.Accepted, new BankPaymentIdGeneratorForTests(Guid.Parse("3ec8c76c-7dc2-4769-96f8-7e0649ecdfc0")), new AlwaysSuccessBankConnectionBehavior(), new DelayProviderForTesting(TimeSpan.FromMilliseconds(1)), PaymentCQRS.TimeoutProviderForBankResponseWaiting(TimeSpan.FromMilliseconds(200)), Substitute.For <IKnowBufferAndReprocessPaymentRequest>(), Substitute.For <IAmCircuitBreakers>());
await cqrs.RequestsController.ProceedPaymentRequest(paymentRequest, gatewayPaymentIdGenerator, new PaymentRequestsMemory(), cqrs.PaymentProcessor);
var gatewayPaymentsIds = await cqrs.GatewayPaymentsIdsController.Get();
Check.That(gatewayPaymentsIds).ContainsExactly(gatewayPaymentId);
}
//[Repeat(10)]
public async Task Return_AcceptedAtRouteResult_And_have_correct_PaymentStatus_When_Processing_PaymentRequest_timeout()
{
var requestId = Guid.NewGuid();
var paymentRequest = TestsUtils.BuildPaymentRequest(requestId, MerchantsRepository.Amazon);
var gatewayPaymentId = Guid.NewGuid();
IGenerateGuid guidGenerator = new GuidGeneratorForTesting(gatewayPaymentId);
var bankPaymentId = Guid.Parse("3ec8c76c-7dc2-4769-96f8-7e0649ecdfc0");
var timeoutTolerance = TimeSpan.FromMilliseconds(80);
var delayBiggerThanTolerance = timeoutTolerance * 5;
var delayProvider = Substitute.For <IProvideBankResponseTime>();
delayProvider.Delays().Returns(delayBiggerThanTolerance, //timeout
delayBiggerThanTolerance, //timeout
delayBiggerThanTolerance, //timeout
timeoutTolerance.Divide(20) // NO TIMEOUT
);
var knowBufferAndReprocessPaymentRequest = Substitute.For <IKnowBufferAndReprocessPaymentRequest>();
var circuitBreakerRepository = new CircuitBreakerRepository();
var cqrs = await PaymentCQRS.Build(BankPaymentStatus.Accepted,
new BankPaymentIdGeneratorForTests(bankPaymentId),
new AlwaysSuccessBankConnectionBehavior(),
delayProvider,
PaymentCQRS.TimeoutProviderForBankResponseWaiting(timeoutTolerance),
knowBufferAndReprocessPaymentRequest,
circuitBreakerRepository);
var actionResult = await cqrs.RequestsController.ProceedPaymentRequest(paymentRequest, guidGenerator, cqrs.PaymentRequestsMemory, cqrs.PaymentProcessor);
Check.That(actionResult).IsInstanceOf <AcceptedAtRouteResult>();
PaymentDto payment = (await cqrs.PaymentReadController.GetPaymentInfo(gatewayPaymentId)).Value;
Check.That(payment.RequestId).IsEqualTo(requestId);
Check.That(payment.GatewayPaymentId).IsEqualTo(gatewayPaymentId);
Check.That(payment.Status).IsEqualTo(PaymentStatus.Pending); // circuit breaker should open
Check.That(payment.Approved).IsNull();
Check.That(payment.AcquiringBankPaymentId).IsNull();
knowBufferAndReprocessPaymentRequest.ReceivedWithAnyArgs(1).Buffer(default, default);
public async Task Not_handle_a_PaymentRequest_more_than_once()
{
var requestId = Guid.NewGuid();
var paymentRequest = TestsUtils.BuildPaymentRequest(requestId, MerchantsRepository.Amazon);
var cqrs = await PaymentCQRS.Build(BankPaymentStatus.Accepted, new BankPaymentIdGeneratorForTests(Guid.Parse("3ec8c76c-7dc2-4769-96f8-7e0649ecdfc0")), new AlwaysSuccessBankConnectionBehavior(), new DelayProviderForTesting(TimeSpan.FromMilliseconds(1)), PaymentCQRS.TimeoutProviderForBankResponseWaiting(TimeSpan.FromMilliseconds(200)), Substitute.For <IKnowBufferAndReprocessPaymentRequest>(), Substitute.For <IAmCircuitBreakers>());
var gatewayPaymentId = Guid.NewGuid();
IGenerateGuid guidGenerator = new GuidGeneratorForTesting(gatewayPaymentId);
await cqrs.RequestsController.ProceedPaymentRequest(paymentRequest, guidGenerator, cqrs.PaymentRequestsMemory, cqrs.PaymentProcessor);
var actionResult = await cqrs.RequestsController.ProceedPaymentRequest(paymentRequest, guidGenerator, cqrs.PaymentRequestsMemory, cqrs.PaymentProcessor);
Check.That(actionResult).IsInstanceOf <BadRequestObjectResult>();
var badRequest = (BadRequestObjectResult)actionResult;
var failDetail = (ProblemDetails)badRequest.Value;
Check.That(failDetail.Detail).IsEqualTo("Identical payment request will not be handled more than once");
}
public async Task Return_PaymentFaulted_When_AcquiringBank_rejects_payment()
{
var requestId = Guid.NewGuid();
var paymentRequest = TestsUtils.BuildPaymentRequest(requestId, MerchantsRepository.Amazon);
var gatewayPaymentId = Guid.NewGuid();
IGenerateGuid guidGenerator = new GuidGeneratorForTesting(gatewayPaymentId);
var cqrs = await PaymentCQRS.Build(BankPaymentStatus.Accepted, new BankPaymentIdGeneratorForTests(Guid.Parse("3ec8c76c-7dc2-4769-96f8-7e0649ecdfc0")), new AlwaysSuccessBankConnectionBehavior(), new DelayProviderForTesting(TimeSpan.FromMilliseconds(1)), PaymentCQRS.TimeoutProviderForBankResponseWaiting(TimeSpan.FromMilliseconds(200)), Substitute.For <IKnowBufferAndReprocessPaymentRequest>(), Substitute.For <IAmCircuitBreakers>(), new SimulateGatewayException());
await cqrs.RequestsController.ProceedPaymentRequest(paymentRequest, guidGenerator, cqrs.PaymentRequestsMemory, cqrs.PaymentProcessor);
var payment = (await cqrs.PaymentReadController.GetPaymentInfo(gatewayPaymentId)).Value;
Check.That(payment.RequestId).IsEqualTo(requestId);
Check.That(payment.GatewayPaymentId).IsEqualTo(gatewayPaymentId);
Check.That(payment.Status).IsEqualTo(PaymentStatus.FaultedOnGateway);
Check.That(payment.Approved.Value).IsFalse();
Check.That(payment.AcquiringBankPaymentId).IsNull();
}
public async Task Return_proper_payment_status_When_AcquiringBank_accepts_or_reject_payment(BankPaymentStatus bankPaymentStatus, PaymentStatus expectedPaymentStatusReturnedByGateway)
{
var requestId = Guid.NewGuid();
var paymentRequest = TestsUtils.BuildPaymentRequest(requestId, MerchantsRepository.Apple);
var gatewayPaymentId = Guid.NewGuid();
IGenerateGuid guidGenerator = new GuidGeneratorForTesting(gatewayPaymentId);
var bankPaymentId = Guid.Parse("3ec8c76c-7dc2-4769-96f8-7e0649ecdfc0");
var cqrs = await PaymentCQRS.Build(bankPaymentStatus, new BankPaymentIdGeneratorForTests(bankPaymentId), new AlwaysSuccessBankConnectionBehavior(), new DelayProviderForTesting(TimeSpan.FromMilliseconds(1)), PaymentCQRS.TimeoutProviderForBankResponseWaiting(TimeSpan.FromMilliseconds(200)), Substitute.For <IKnowBufferAndReprocessPaymentRequest>(), Substitute.For <IAmCircuitBreakers>());
await cqrs.RequestsController.ProceedPaymentRequest(paymentRequest, guidGenerator, cqrs.PaymentRequestsMemory, cqrs.PaymentProcessor);
var payment = (await cqrs.PaymentReadController.GetPaymentInfo(gatewayPaymentId)).Value;
Check.That(payment.RequestId).IsEqualTo(requestId);
Check.That(payment.GatewayPaymentId).IsEqualTo(gatewayPaymentId);
Check.That(payment.Status).IsEqualTo(expectedPaymentStatusReturnedByGateway);
Check.That(payment.Approved).IsEqualTo(payment.Status == PaymentGateway.Domain.PaymentStatus.Success);
Check.That(payment.AcquiringBankPaymentId).IsEqualTo(bankPaymentId);
}
public async Task Return_BadRequest_When_PaymenRequest_Contains_a_merchant_not_onboarded_yet()
{
var validCard = new Infrastructure.Card("1234 5623 5489 1004", "05/19", "123");
var systemNotAwareOfThisMerchant = Guid.NewGuid();
var invalidRequest = new PaymentRequest(Guid.NewGuid(), merchantId: systemNotAwareOfThisMerchant,
amount: new Money("USD", 42), card: validCard);
var gatewayPaymentId = Guid.NewGuid();
IGenerateGuid guidGenerator = new GuidGeneratorForTesting(gatewayPaymentId);
var cqrs = await PaymentCQRS.Build(BankPaymentStatus.Accepted, new BankPaymentIdGeneratorForTests(Guid.Parse("3ec8c76c-7dc2-4769-96f8-7e0649ecdfc0")), new AlwaysSuccessBankConnectionBehavior(), new DelayProviderForTesting(TimeSpan.FromMilliseconds(1)), PaymentCQRS.TimeoutProviderForBankResponseWaiting(TimeSpan.FromMilliseconds(200)), Substitute.For <IKnowBufferAndReprocessPaymentRequest>(), Substitute.For <IAmCircuitBreakers>(), new NullThrows());
var actionResult = await cqrs.RequestsController.ProceedPaymentRequest(invalidRequest, guidGenerator, cqrs.PaymentRequestsMemory, cqrs.PaymentProcessor);
Check.That(actionResult).IsInstanceOf <BadRequestObjectResult>();
var badRequest = (BadRequestObjectResult)actionResult;
var failDetail = (ProblemDetails)badRequest.Value;
Check.That(failDetail.Detail).IsEqualTo($"Merchant {systemNotAwareOfThisMerchant} has not been onboarded");
Check.That(await cqrs.PaymentRequestsMemory.AlreadyHandled(new PaymentRequestId(invalidRequest.RequestId)))
.IsFalse();
}