public void should_not_send_messages_to_persistence_twice_if_persistence_goes_up_and_down()
{
using (MessageId.PauseIdGeneration())
{
// Stopping persistence
InnerTransport.RaiseMessageReceived(new TransportMessage(MessageTypeId.PersistenceStopping, new MemoryStream(), PersistencePeer));
InnerTransport.Messages.Clear();
var ackedMessage = new FakeCommand(456).ToTransportMessage();
Transport.AckMessage(ackedMessage);
InnerTransport.AckedMessages.ShouldBeEmpty();
// starting persistence - should send enqueued messages
Transport.OnPeerUpdated(PersistencePeer.Id, PeerUpdateAction.Started);
InnerTransport.ExpectExactly(new[]
{
new TransportMessageSent(new MessageHandled(ackedMessage.Id).ToTransportMessage(Self), PersistencePeer)
});
// Stopping persistence again
InnerTransport.RaiseMessageReceived(new TransportMessage(MessageTypeId.PersistenceStopping, new MemoryStream(), PersistencePeer));
InnerTransport.Messages.Clear();
// starting persistence again - should not have anything to send
Transport.OnPeerUpdated(PersistencePeer.Id, PeerUpdateAction.Started);
InnerTransport.ExpectNothing();
}
}
public void should_not_send_messages_to_persistence_twice_if_persistence_goes_up_and_down()
{
using (MessageId.PauseIdGeneration())
{
PeerDirectory.Setup(directory => directory.GetPeersHandlingMessage(new MessageBinding(new MessageTypeId(typeof(PersistMessageCommand)), BindingKey.Empty)))
.Returns(new List <Peer> {
PersistencePeer
});
// Stopping persistence
InnerTransport.RaiseMessageReceived(new TransportMessage(MessageTypeId.PersistenceStopping, new byte[0], PersistencePeer));
InnerTransport.Messages.Clear();
var ackedMessage = new FakeCommand(456).ToTransportMessage();
Transport.AckMessage(ackedMessage);
InnerTransport.AckedMessages.ShouldBeEmpty();
// starting persistence - should send enqueued messages
Transport.OnPeerUpdated(PersistencePeer.Id, PeerUpdateAction.Started);
InnerTransport.ExpectExactly(new[]
{
new TransportMessageSent(new MessageHandled(ackedMessage.Id).ToTransportMessage(Self), PersistencePeer)
});
// Stopping persistence again
InnerTransport.RaiseMessageReceived(new TransportMessage(MessageTypeId.PersistenceStopping, new byte[0], PersistencePeer));
InnerTransport.Messages.Clear();
// starting persistence again - should not have anything to send
Transport.OnPeerUpdated(PersistencePeer.Id, PeerUpdateAction.Started);
InnerTransport.ExpectNothing();
}
}
public void should_not_lose_messages_when_persistent_transport_goes_down_and_comes_back_up()
{
using (MessageId.PauseIdGeneration())
{
PeerDirectory.Setup(directory => directory.GetPeersHandlingMessage(new MessageBinding(new MessageTypeId(typeof(PersistMessageCommand)), BindingKey.Empty)))
.Returns(new List <Peer> {
PersistencePeer
});
// Stopping persistence
InnerTransport.RaiseMessageReceived(new TransportMessage(MessageTypeId.PersistenceStopping, new byte[0], PersistencePeer));
InnerTransport.ExpectExactly(new TransportMessageSent(new TransportMessage(MessageTypeId.PersistenceStoppingAck, new byte[0], Self), PersistencePeer));
InnerTransport.Messages.Clear();
// should enqueue messages to persistence
var message = new FakeCommand(123).ToTransportMessage();
var ackedMessage = new FakeCommand(456).ToTransportMessage();
Transport.Send(message, new[] { AnotherPersistentPeer });
Transport.AckMessage(ackedMessage);
InnerTransport.AckedMessages.ShouldBeEmpty();
InnerTransport.ExpectExactly(new TransportMessageSent(message, AnotherPersistentPeer));
InnerTransport.Messages.Clear();
// starting persistence - should send enqueued messages
Transport.OnPeerUpdated(PersistencePeer.Id, PeerUpdateAction.Started);
InnerTransport.ExpectExactly(new[]
{
new TransportMessageSent(new PersistMessageCommand(message, new[] { AnotherPersistentPeer.Id }).ToTransportMessage(Self), PersistencePeer),
new TransportMessageSent(new MessageHandled(ackedMessage.Id).ToTransportMessage(Self), PersistencePeer)
});
InnerTransport.Messages.Clear();
InnerTransport.AckedMessages.Clear();
// should send messages without going through the queue
Transport.Send(message, new[] { AnotherPersistentPeer });
Transport.AckMessage(ackedMessage);
InnerTransport.ExpectExactly(new[]
{
new TransportMessageSent(message, AnotherPersistentPeer),
new TransportMessageSent(new PersistMessageCommand(message, new[] { AnotherPersistentPeer.Id }).ToTransportMessage(Self), PersistencePeer),
new TransportMessageSent(new MessageHandled(ackedMessage.Id).ToTransportMessage(Self), PersistencePeer),
});
}
}
public void should_publish_a_MessageHandled_event_after_a_persistent_message_is_processed_by_the_bus()
{
Transport.Start();
using (MessageId.PauseIdGeneration())
{
var command = new FakeCommand(123).ToTransportMessage();
InnerTransport.RaiseMessageReceived(new ReplayPhaseEnded(StartMessageReplayCommand.ReplayId).ToTransportMessage());
InnerTransport.RaiseMessageReceived(command);
Transport.AckMessage(command);
InnerTransport.ExpectExactly(new TransportMessageSent(new MessageHandled(command.Id).ToTransportMessage(Self), new[] { PersistencePeer }));
}
}
public void should_not_publish_a_MessageHandled_event_after_a_non_persistent_message_is_processed_by_the_bus()
{
Transport.Start();
using (MessageId.PauseIdGeneration())
{
var command = new FakeNonPersistentCommand(123).ToTransportMessage();
InnerTransport.RaiseMessageReceived(new ReplayPhaseEnded(StartMessageReplayCommand.ReplayId).ToTransportMessage());
InnerTransport.RaiseMessageReceived(command);
Transport.AckMessage(command);
InnerTransport.ExpectNothing();
}
}
public void should_not_lose_messages_when_persistent_transport_goes_down_and_comes_back_up()
{
using (MessageId.PauseIdGeneration())
{
// Stopping persistence
InnerTransport.RaiseMessageReceived(new TransportMessage(MessageTypeId.PersistenceStopping, new MemoryStream(), PersistencePeer));
InnerTransport.ExpectExactly(new TransportMessageSent(new TransportMessage(MessageTypeId.PersistenceStoppingAck, new MemoryStream(), Self), PersistencePeer));
InnerTransport.Messages.Clear();
// should enqueue messages to persistence
var message = new FakeCommand(123).ToTransportMessage();
var ackedMessage = new FakeCommand(456).ToTransportMessage();
Transport.Send(message, new[] { AnotherPersistentPeer });
Transport.AckMessage(ackedMessage);
InnerTransport.AckedMessages.ShouldBeEmpty();
InnerTransport.ExpectExactly(new TransportMessageSent(message, AnotherPersistentPeer, true));
InnerTransport.Messages.Clear();
// starting persistence - should send enqueued messages
Transport.OnPeerUpdated(PersistencePeer.Id, PeerUpdateAction.Started);
InnerTransport.ExpectExactly(new[]
{
new TransportMessageSent(message.ToPersistTransportMessage(AnotherPersistentPeer.Id), PersistencePeer),
new TransportMessageSent(new MessageHandled(ackedMessage.Id).ToTransportMessage(Self), PersistencePeer)
});
InnerTransport.Messages.Clear();
InnerTransport.AckedMessages.Clear();
// should send messages without going through the queue
Transport.Send(message, new[] { AnotherPersistentPeer });
Transport.AckMessage(ackedMessage);
InnerTransport.ExpectExactly(new[]
{
new TransportMessageSent(message, AnotherPersistentPeer, true).ToPersistence(PersistencePeer),
new TransportMessageSent(new MessageHandled(ackedMessage.Id).ToTransportMessage(Self), PersistencePeer),
});
}
}
public void should_consider_WasPersisted_before_publishing_a_MessageHandled_event(bool wasPersisted)
{
Transport.Start();
using (MessageId.PauseIdGeneration())
{
var command = new FakeCommand(123).ToTransportMessage(wasPersisted: wasPersisted);
InnerTransport.RaiseMessageReceived(new ReplayPhaseEnded(StartMessageReplayCommand.ReplayId).ToTransportMessage());
InnerTransport.RaiseMessageReceived(command);
Transport.AckMessage(command);
if (wasPersisted)
{
InnerTransport.ExpectExactly(new TransportMessageSent(new MessageHandled(command.Id).ToTransportMessage(Self), PersistencePeer));
}
else
{
InnerTransport.ExpectNothing();
}
}
}
public void should_discard_messages_waiting_for_persistence_on_stop()
{
using (MessageId.PauseIdGeneration())
{
Transport.Start();
PeerDirectory.Setup(directory => directory.GetPeersHandlingMessage(new MessageBinding(MessageTypeId.PersistenceStoppingAck, BindingKey.Empty)))
.Returns(new List <Peer> {
PersistencePeer
});
// Stopping persistence
InnerTransport.RaiseMessageReceived(new TransportMessage(MessageTypeId.PersistenceStopping, new byte[0], PersistencePeer));
InnerTransport.Messages.Clear();
var ackedMessage = new FakeCommand(456).ToTransportMessage();
Transport.AckMessage(ackedMessage);
Transport.Stop();
Transport.Start();
}
}
