public void Multiple_Local_Services_Should_Be_Available()
{
ManualResetEvent _updateEvent = new ManualResetEvent(false);
LocalBus.Subscribe <UpdateMessage>(msg => _updateEvent.Set());
ManualResetEvent _deleteEvent = new ManualResetEvent(false);
LocalBus.Subscribe <DeleteMessage>(
delegate { _deleteEvent.Set(); });
DeleteMessage dm = new DeleteMessage();
LocalBus.Publish(dm);
UpdateMessage um = new UpdateMessage();
LocalBus.Publish(um);
Assert.That(_deleteEvent.WaitOne(TimeSpan.FromSeconds(4), true), Is.True,
"Timeout expired waiting for message");
Assert.That(_updateEvent.WaitOne(TimeSpan.FromSeconds(4), true), Is.True,
"Timeout expired waiting for message");
}
public void Adding_many_dynamic_and_removing_should_retain_dynamics()
{
var dynamicA = new FutureMessage <A>();
var dynamicB = new FutureMessage <B>();
var dynamicC = new FutureMessage <C>();
var dynamicD = new FutureMessage <D>();
UnsubscribeAction subscriptionA = RemoteBus.SubscribeHandler <A>(dynamicA.Set);
UnsubscribeAction subscriptionB = RemoteBus.SubscribeHandler <B>(dynamicB.Set);
UnsubscribeAction subscriptionC = RemoteBus.SubscribeHandler <C>(dynamicC.Set);
UnsubscribeAction subscriptionD = RemoteBus.SubscribeHandler <D>(dynamicD.Set);
LocalBus.HasSubscription <D>(8.Seconds()).Any().ShouldBeTrue("No D subscription");
try
{
subscriptionA().ShouldBeFalse("A static not remaining");
subscriptionB().ShouldBeFalse("B static not remaining");
subscriptionC().ShouldBeFalse("C static not remaining");
LocalBus.Publish(new A());
LocalBus.Publish(new B());
LocalBus.Publish(new C());
LocalBus.Publish(new D());
_receivedA.IsAvailable(8.Seconds()).ShouldBeTrue("A not received");
_receivedB.IsAvailable(8.Seconds()).ShouldBeTrue("B not received");
_receivedC.IsAvailable(8.Seconds()).ShouldBeTrue("C not received");
dynamicD.IsAvailable(8.Seconds()).ShouldBeTrue("D should have been received");
}
finally
{
subscriptionD();
}
}
public void The_message_should_be_delivered_to_a_remote_subscriber_with_a_reply()
{
ManualResetEvent _updateEvent = new ManualResetEvent(false);
Action <UpdateMessage> handler =
msg =>
{
_updateEvent.Set();
RemoteBus.Publish(new UpdateAcceptedMessage());
};
ManualResetEvent _repliedEvent = new ManualResetEvent(false);
RemoteBus.Subscribe(handler);
LocalBus.Subscribe <UpdateAcceptedMessage>(
delegate { _repliedEvent.Set(); });
UpdateMessage um = new UpdateMessage();
LocalBus.Publish(um);
Assert.That(_updateEvent.WaitOne(TimeSpan.FromSeconds(3), true), Is.True,
"Timeout expired waiting for message");
Assert.That(_repliedEvent.WaitOne(TimeSpan.FromSeconds(3), true), Is.True, "NO response message received");
}
protected override void EstablishContext()
{
base.EstablishContext();
_ping = new PingMessage();
_future = new FutureMessage <PingMessage, Guid>(_ping.CorrelationId);
_unsubscribe = RemoteBus.SubscribeHandler <PingMessage>(message => { _future.Set(message); });
RemoteBus.ShouldHaveRemoteSubscriptionFor <PingMessage>();
LocalBus.ShouldHaveRemoteSubscriptionFor <PingMessage>();
Trace.WriteLine("LocalBus");
LocalBus.OutboundPipeline.Trace();
Trace.WriteLine("RemoteBus");
RemoteBus.OutboundPipeline.Trace();
LocalBus.Publish(_ping);
}
public void Perform_a_large_request_response_pool()
{
const int repeatCount = 20000;
int responsesReceived = 0;
ManualResetEvent completed = new ManualResetEvent(false);
LocalBus.Subscribe <PingMessage>(x => CurrentMessage.Respond(new PongMessage(x.CorrelationId)));
LocalBus.Subscribe <PongMessage>(x =>
{
if (Interlocked.Increment(ref responsesReceived) == repeatCount)
{
completed.Set();
}
});
Thread.Sleep(3.Seconds());
Stopwatch stopwatch = Stopwatch.StartNew();
for (int index = 0; index < repeatCount; index++)
{
LocalBus.Publish(new PingMessage());
}
bool success = completed.WaitOne(60.Seconds(), true);
stopwatch.Stop();
Trace.WriteLine(string.Format("Elapsed Time for {0} messages = {1}", repeatCount * 2, stopwatch.Elapsed));
Trace.WriteLine(string.Format("Messages Per Second = {0}", repeatCount * 2000 / stopwatch.ElapsedMilliseconds));
}
public void It_should_only_be_handled_once()
{
LocalBus.InboundPipeline.Trace();
LocalBus.Publish(new TopLevelClass
{
Priority = 1,
Text = "Special"
});
_first.WaitUntilCompleted(8.Seconds()).ShouldBeTrue("First");
_second.WaitUntilCompleted(8.Seconds()).ShouldBeTrue("Second");
_third.WaitUntilCompleted(8.Seconds()).ShouldBeTrue("Third");
while (_receiveEvent.WaitOne(8.Seconds()))
{
;
}
for (int i = 0; i < _exceptions.Count; i++)
{
Console.WriteLine("Exception: {0}", _exceptions[i].Message);
}
_exceptions.Count.ShouldEqual(0, "Some messages were received more than once");
}
public void Should_contain_two_messages_should_be_correlated_by_tag_and_id()
{
Guid timeoutId = Guid.NewGuid();
LocalBus.Publish(new ScheduleTimeout(timeoutId, 10.Seconds(), 1));
TimeoutSaga firstTimeout = _timeoutSagaRepository.ShouldContainSaga(x => x.TimeoutId == timeoutId && x.Tag == 1);
firstTimeout.ShouldBeInState(TimeoutSaga.WaitingForTime);
LocalBus.Publish(new CancelTimeout {
CorrelationId = timeoutId, Tag = 1
});
LocalBus.Publish(new ScheduleTimeout(timeoutId, 10.Seconds(), 2));
TimeoutSaga secondTimeout = _timeoutSagaRepository.ShouldContainSaga(x => x.TimeoutId == timeoutId && x.Tag == 2);
secondTimeout.ShouldBeInState(TimeoutSaga.WaitingForTime);
firstTimeout.ShouldBeInState(TimeoutSaga.Completed);
Trace.WriteLine("Sagas:");
foreach (TimeoutSaga saga in _timeoutSagaRepository.Where(x => true))
{
Trace.WriteLine("Saga: " + saga.CorrelationId + ", TimeoutId: " + saga.TimeoutId + ", Tag: " + saga.Tag +
", State: " + saga.CurrentState.Name);
}
}
public void The_retry_count_should_be_set_on_the_message()
{
var future = new FutureMessage <PingMessage>();
bool first = true;
LocalBus.SubscribeHandler <PingMessage>(message =>
{
if (first)
{
Assert.AreEqual(0, LocalBus.Context().RetryCount);
LocalBus.MessageContext <PingMessage>().RetryLater();
first = false;
}
else
{
Assert.AreEqual(1, LocalBus.Context().RetryCount);
future.Set(message);
}
});
LocalBus.ShouldHaveRemoteSubscriptionFor <PingMessage>();
LocalBus.Publish(new PingMessage());
Assert.IsTrue(future.IsAvailable(20.Seconds()));
}
public void Should_scale_threads_to_meet_demand()
{
var now = DateTime.Now;
var latency = new List <long>();
for (int i = 0; i < 100; i++)
{
var timer = Stopwatch.StartNew();
LocalBus.Publish(new A());
Assert.IsTrue(_before.WaitOne(30.Seconds()), "Consumer thread failed to start");
timer.Stop();
latency.Add(timer.ElapsedMilliseconds);
}
Console.WriteLine("Average latency: {0}ms", latency.Average());
_wait.Set();
for (int i = 0; i < 100; i++)
{
Assert.IsTrue(_after.WaitOne(30.Seconds()), "Consumer thread failed to complete");
}
Console.WriteLine("Elapsed Time: {0}", DateTime.Now - now);
}
public void Should_process_the_saga_normally()
{
Guid transactionId = NewId.NextGuid();
Trace.WriteLine("Creating transaction for " + transactionId);
int startValue = 1;
var startConcurrentSaga = new StartConcurrentSaga
{
CorrelationId = transactionId, Name = "Chris", Value = startValue
};
LocalBus.Publish(startConcurrentSaga);
Trace.WriteLine("Just published the start message");
_sagaRepository.ShouldContainSaga(transactionId).ShouldNotBeNull();
int nextValue = 2;
var continueConcurrentSaga = new ContinueConcurrentSaga {
CorrelationId = transactionId, Value = nextValue
};
LocalBus.Publish(continueConcurrentSaga);
Trace.WriteLine("Just published the continue message");
ConcurrentSaga saga = _sagaRepository
.ShouldContainSaga(x => x.CorrelationId == transactionId && x.Value == nextValue);
saga.ShouldNotBeNull();
saga.ShouldBeInState(ConcurrentSaga.Completed);
}
public void A_response_should_be_published_if_no_reply_address_is_specified()
{
PingMessage ping = new PingMessage();
TestMessageConsumer <PongMessage> otherConsumer = new TestMessageConsumer <PongMessage>();
RemoteBus.Subscribe(otherConsumer);
TestCorrelatedConsumer <PongMessage, Guid> consumer = new TestCorrelatedConsumer <PongMessage, Guid>(ping.CorrelationId);
LocalBus.Subscribe(consumer);
FutureMessage <PongMessage> pong = new FutureMessage <PongMessage>();
RemoteBus.Subscribe <PingMessage>(message =>
{
pong.Set(new PongMessage(message.CorrelationId));
CurrentMessage.Respond(pong.Message);
});
LocalBus.Publish(ping);
Assert.IsTrue(pong.IsAvailable(3.Seconds()), "No pong generated");
consumer.ShouldHaveReceivedMessage(pong.Message, 3.Seconds());
otherConsumer.ShouldHaveReceivedMessage(pong.Message, 1.Seconds());
}
protected override void EstablishContext()
{
base.EstablishContext();
_faultFuture = new FutureMessage <Fault <PingMessage, Guid> >();
LocalBus.SubscribeHandler <PingMessage>(message =>
{
using (new TransactionScope())
{
}
});
LocalBus.SubscribeHandler <Fault <PingMessage, Guid> >(message =>
{
if (_faultFuture.IsAvailable(TimeSpan.Zero))
{
return;
}
_faultFuture.Set(message);
});
LocalBus.ShouldHaveRemoteSubscriptionFor <PingMessage>();
LocalBus.ShouldHaveRemoteSubscriptionFor <Fault <PingMessage, Guid> >();
_ping = new PingMessage();
LocalBus.Publish(_ping);
}
public void Should_process_the_messages_in_order_and_not_at_the_same_time()
{
Guid transactionId = NewId.NextGuid();
Trace.WriteLine("Creating transaction for " + transactionId);
int startValue = 1;
var startConcurrentSaga = new StartConcurrentSaga
{
CorrelationId = transactionId, Name = "Chris", Value = startValue
};
LocalBus.Publish(startConcurrentSaga);
LocalBus.Publish(startConcurrentSaga);
Trace.WriteLine("Just published the start message");
_sagaRepository.ShouldContainSaga(transactionId).ShouldNotBeNull();
int nextValue = 2;
var continueConcurrentSaga = new ContinueConcurrentSaga {
CorrelationId = transactionId, Value = nextValue
};
LocalBus.Publish(continueConcurrentSaga);
Trace.WriteLine("Just published the continue message");
_sagaRepository.ShouldContainSaga(x => x.CorrelationId == transactionId && x.Value == nextValue).
ShouldNotBeNull();
Thread.Sleep(8000);
LocalEndpoint.ShouldNotContain <StartConcurrentSaga>();
LocalErrorEndpoint.ShouldContain <StartConcurrentSaga>();
}
public void A_message_is_published()
{
LocalBus.Publish(new A
{
StringA = "ValueA",
});
}
public void Multiple_messages_should_be_delivered_to_the_appropriate_remote_subscribers()
{
ManualResetEvent _updateEvent = new ManualResetEvent(false);
RemoteBus.Subscribe <UpdateMessage>(
delegate { _updateEvent.Set(); });
ManualResetEvent _deleteEvent = new ManualResetEvent(false);
RemoteBus.Subscribe <DeleteMessage>(
delegate { _deleteEvent.Set(); });
DeleteMessage dm = new DeleteMessage();
LocalBus.Publish(dm);
UpdateMessage um = new UpdateMessage();
LocalBus.Publish(um);
Assert.That(_deleteEvent.WaitOne(TimeSpan.FromSeconds(6), true), Is.True,
"Timeout expired waiting for message");
Assert.That(_updateEvent.WaitOne(TimeSpan.FromSeconds(6), true), Is.True,
"Timeout expired waiting for message");
}
public void Should_process_the_messages_in_order_and_not_at_the_same_time()
{
UnsubscribeAction unsubscribeAction = LocalBus.SubscribeSaga(_sagaRepository);
Guid transactionId = NewId.NextGuid();
Trace.WriteLine("Creating transaction for " + transactionId);
int startValue = 1;
var startConcurrentSaga = new StartConcurrentSaga
{
CorrelationId = transactionId, Name = "Chris", Value = startValue
};
LocalBus.Publish(startConcurrentSaga);
var saga = _sagaRepository.ShouldContainSaga(transactionId, 8.Seconds());
Assert.IsNotNull(saga);
int nextValue = 2;
var continueConcurrentSaga = new ContinueConcurrentSaga {
CorrelationId = transactionId, Value = nextValue
};
LocalBus.Publish(continueConcurrentSaga);
saga = _sagaRepository.ShouldContainSaga(x => x.CorrelationId == transactionId && x.Value == nextValue, 8.Seconds());
Assert.IsNotNull(saga);
unsubscribeAction();
Assert.AreEqual(nextValue, saga.Value);
}
public void The_retry_count_should_be_set_on_the_message()
{
FutureMessage <PingMessage> future = new FutureMessage <PingMessage>();
bool first = true;
LocalBus.Subscribe <PingMessage>(message =>
{
if (first)
{
Assert.AreEqual(0, CurrentMessage.Headers.RetryCount);
CurrentMessage.RetryLater();
first = false;
}
else
{
Assert.AreEqual(1, CurrentMessage.Headers.RetryCount);
future.Set(message);
}
});
LocalBus.Publish(new PingMessage());
Assert.IsTrue(future.IsAvailable(5.Seconds()));
}
public void A_response_should_be_sent_directly_if_a_reply_address_is_specified()
{
var ping = new PingMessage();
var otherConsumer = new TestMessageConsumer <PongMessage>();
RemoteBus.SubscribeInstance(otherConsumer);
var consumer = new TestCorrelatedConsumer <PongMessage, Guid>(ping.CorrelationId);
LocalBus.SubscribeInstance(consumer);
var pong = new FutureMessage <PongMessage>();
RemoteBus.SubscribeHandler <PingMessage>(message =>
{
pong.Set(new PongMessage(message.CorrelationId));
RemoteBus.Context().Respond(pong.Message);
});
RemoteBus.ShouldHaveRemoteSubscriptionFor <PongMessage>();
LocalBus.ShouldHaveRemoteSubscriptionFor <PongMessage>();
LocalBus.ShouldHaveRemoteSubscriptionFor <PingMessage>();
LocalBus.Publish(ping, context => context.SendResponseTo(LocalBus));
Assert.IsTrue(pong.IsAvailable(8.Seconds()), "No pong generated");
consumer.ShouldHaveReceivedMessage(pong.Message, 8.Seconds());
otherConsumer.ShouldNotHaveReceivedMessage(pong.Message, 1.Seconds());
}
protected override void EstablishContext()
{
base.EstablishContext();
LocalBus.Publish <IProxyMe>(new { IntValue = _intValue, StringValue = _stringValue, CorrelationId = _correlationId });
_received.IsAvailable(8.Seconds());
}
public void If_endpoint_down_a_heartbeat_should_revive()
{
MakeSagaDown();
Repository.Where(x => x.CurrentState == HealthSaga.Down).Count().ShouldEqual(1);
LocalBus.Publish(new Heartbeat(_id, LocalBus.ControlBus.Endpoint.Uri, LocalBus.Endpoint.Uri, 0));
Thread.Sleep(1500);
Repository.Where(x => x.CurrentState == HealthSaga.Healthy).Count().ShouldEqual(1);
}
public void If_a_saga_is_suspect_a_pong_should_fix()
{
MakeSagaSuspect();
LocalBus.Publish(new PingEndpointResponse(_id, LocalBus.ControlBus.Endpoint.Uri, LocalBus.Endpoint.Uri, 0));
Thread.Sleep(500);
Repository.Where(x => x.CurrentState == HealthSaga.Healthy).Count().ShouldEqual(1);
}
public void Should_receive_a_message_in_scope()
{
const string name = "Joe";
LocalBus.Publish(new SimpleMessageClass(name));
CheckScopeConsumer.Last.Name.ShouldEqual(name);
}
protected override void EstablishContext()
{
base.EstablishContext();
RemoteBus.ShouldHaveSubscriptionFor <MyMessage>();
LocalBus.Publish(new MyMessage());
}
public void Should_have_received_a()
{
var message = new A();
LocalBus.Publish(message);
TestConsumerBase <A> .OnlyOneShouldHaveReceivedMessage(message, 8.Seconds());
}
public void A_message_is_published()
{
LocalBus.Publish(new Nobody_listening_parent
{
StringA = "ValueA",
StringB = "ValueB",
});
}
public void A_dynamically_correlated_message_is_published()
{
Message = new ApproveSimpleCustomer()
{
CustomerId = CustomerId,
};
LocalBus.Publish(Message);
}
public void A_message_is_published()
{
_message = new A
{
StringA = "ValueA",
};
LocalBus.Publish(_message);
}
public void A_reactive_query_is_observing_a_bus_message()
{
_observable = LocalBus.AsObservable <PingMessage>();
_thatJustHappened = new Future <PingMessage>();
_subscription = _observable.Subscribe(m => _thatJustHappened.Complete(m));
LocalBus.Publish(new PingMessage());
}
public void Should_properly_encapsulate_the_consumer_invocation()
{
LocalBus.Publish(new A());
MyConsumer.Called.IsAvailable(8.Seconds()).ShouldBeTrue();
_first.IsAvailable(8.Seconds()).ShouldBeTrue("Interceptor not called first");
_second.IsAvailable(8.Seconds()).ShouldBeTrue("Interceptor not called second");
}
public void A_start_message_is_received()
{
Message = new StartSimpleSaga
{
CorrelationId = SagaId,
CustomerId = CustomerId,
};
LocalBus.Publish(Message);
}