public void WhenMainframeTransactionFails_ThrowsHostTransactionFailureException()
{
// arrange
int WSAECONNRESET = 10054;
MockDependents mockDependents = new MockDependents();
mockDependents.MockOrderSocketConnectionRepository
.Setup(m => m.Receive())
.Throws(BuildMockException(WSAECONNRESET));
IOrderQueueLogic testunit = MakeUnitToBeTested(true, mockDependents);
// act
string jsonOrderFile = GetMockData("OrderFile.json");
OrderFile order = JsonConvert.DeserializeObject <OrderFile>(jsonOrderFile);
Action sendToHost = () => testunit.SendToHost(order);
// assert
sendToHost.Should()
.Throw <HostTransactionFailureException>()
.WithInnerException <SocketResponseException>()
.WithInnerException <IOException>()
.WithMessage("*connection was forcibly closed by the remote host*");
}
public void WhenMainframeDoesNotRespond_ThrowsTimeoutException()
{
// arrange
int WSAETIMEDOUT = 10060;
MockDependents mockDependents = new MockDependents();
mockDependents.MockOrderSocketConnectionRepository
.Setup(m => m.Receive())
.Throws(BuildMockException(WSAETIMEDOUT));
IOrderQueueLogic testunit = MakeUnitToBeTested(true, mockDependents);
// act
string jsonOrderFile = GetMockData("OrderFile.json");
OrderFile order = JsonConvert.DeserializeObject <OrderFile>(jsonOrderFile);
Action sendToHost = () => testunit.SendToHost(order);
// assert
sendToHost.Should()
.Throw <TimeoutException>()
.WithInnerException <SocketResponseException>()
.WithInnerException <IOException>()
.WithMessage("*host has failed to respond*");
}
private void ProcessQueueTick(object state)
{
if (!_orderQueueProcessing)
{
_orderQueueProcessing = true;
// do not process between 1 and 5
if (DateTime.Now.Hour >= 1 && DateTime.Now.Hour < 5)
{
_log.WriteInformationLog("Script stopped for processing window");
while (DateTime.Now.Hour < 5)
{
Thread.Sleep(60000);
}
_log.WriteInformationLog("Script started after processing window");
}
try
{
using (_queueScope = _diContainer.BeginLifetimeScope())
{
IOrderQueueLogic orderQueue = _queueScope.Resolve <IOrderQueueLogic>();
orderQueue.ProcessOrders();
}
_successfulOrderConnection = true;
_unsentCount = 0;
}
catch (EarlySocketException earlyEx)
{
HandleEarlySocketException(earlyEx, false);
}
catch (SocketResponseException responseEx)
{
HandleSocketResponseException(responseEx, false);
}
catch (CancelledTransactionException cancelledEx)
{
HandleCancelledException(cancelledEx);
}
catch (Exception ex)
{
_log.WriteErrorLog("Error processing orders", ex);
ExceptionEmail.Send(ex, "", "Error processing orders");
}
_orderQueueProcessing = false;
}
}
public void WhenOrderTransmissionIsSuccessful_ExecutesInReasonableTimeSpan()
{
Queue <string> successfulResponseQueue = GetSuccessfulResponseQueue();
MockDependents mockDependents = new MockDependents();
mockDependents.MockOrderSocketConnectionRepository
.Setup(m => m.Receive())
.Returns(() => successfulResponseQueue.Dequeue());
IOrderQueueLogic testunit = MakeUnitToBeTested(true, mockDependents);
// act
string jsonOrderFile = GetMockData("OrderFile.json");
OrderFile order = JsonConvert.DeserializeObject <OrderFile>(jsonOrderFile);
Action sendToHost = () => testunit.SendToHost(order);
// assert
sendToHost.ExecutionTime().Should().BeLessOrEqualTo(TimeSpan.FromMilliseconds(1000));
}
public void WhenOrderTransmissionIsSuccessful_HasNoExceptions()
{
// arrange
Queue <string> successfulResponseQueue = GetSuccessfulResponseQueue();
MockDependents mockDependents = new MockDependents();
mockDependents.MockOrderSocketConnectionRepository
.Setup(m => m.Receive())
.Returns(() => successfulResponseQueue.Dequeue());
IOrderQueueLogic testunit = MakeUnitToBeTested(true, mockDependents);
// act
string jsonOrderFile = GetMockData("OrderFile.json");
OrderFile order = JsonConvert.DeserializeObject <OrderFile>(jsonOrderFile);
Action sendToHost = () => testunit.SendToHost(order);
// assert
sendToHost.Should().NotThrow();
}
public void WhenOrderTransmissionIsSuccessful_InvokesReceive()
{
// arrange
Queue <string> successfulResponseQueue = GetSuccessfulResponseQueue();
MockDependents mockDependents = new MockDependents();
mockDependents.MockOrderSocketConnectionRepository
.Setup(m => m.Receive())
.Returns(() => successfulResponseQueue.Dequeue());
IOrderQueueLogic testunit = MakeUnitToBeTested(true, mockDependents);
// act
string jsonOrderFile = GetMockData("OrderFile.json");
OrderFile order = JsonConvert.DeserializeObject <OrderFile>(jsonOrderFile);
Action sendToHost = () => testunit.SendToHost(order);
sendToHost.Invoke();
// assert
mockDependents.MockOrderSocketConnectionRepository
.Verify(m => m.Receive(), Times.Exactly(6), "not called.");
}
