public ProcessManagerHandlerTests() { TestLogger.Configure(); var source = new TaskCompletionSource <bool>(); _nodeStarted = source.Task; var notListening = new IPEndPoint(IPAddress.None, 0); _node = EmbeddedVNodeBuilder.AsSingleNode() .WithInternalTcpOn(notListening) .WithExternalTcpOn(notListening) .WithInternalHttpOn(notListening) .WithExternalHttpOn(notListening); _node.NodeStatusChanged += (_, e) => { if (e.NewVNodeState != VNodeState.Master) { return; } source.SetResult(true); }; _node.Start(); _connection = EmbeddedEventStoreConnection.Create(_node); _commands = new List <object>(); _serializer = new DefaultGetEventStoreJsonSerializer(); var commandHandlerModule = new CommandHandlerModule(); commandHandlerModule.For <ShipOrder>() .Handle((message, _) => { _commands.Add(message.Command); return(Task.FromResult(0)); }); commandHandlerModule.For <BillCustomer>() .Handle((message, _) => { _commands.Add(message.Command); return(Task.FromResult(0)); }); var resolver = new CommandHandlerResolver(commandHandlerModule); var commandHandlingMiddleware = CommandHandlingMiddleware.HandleCommands(new CommandHandlingSettings(resolver)); var embeddedClient = commandHandlingMiddleware.CreateEmbeddedClient(); var processHandler = ProcessHandler.For <OrderFulfillment, CompareablePosition>( (command, token) => embeddedClient.PutCommand(command, Guid.NewGuid()), new EventStoreClientProcessManagerCheckpointRepository(_connection, _serializer)) .CorrelateBy <OrderPlaced>(e => e.DomainEvent.OrderId.ToString()) .CorrelateBy <OrderShipped>(e => e.DomainEvent.OrderId.ToString()) .CorrelateBy <BillingSucceeded>(e => e.DomainEvent.OrderId.ToString()) .CorrelateBy <BillingFailed>(e => e.DomainEvent.OrderId.ToString()); _dispatcher = new ResolvedEventDispatcher(_connection, new DefaultGetEventStoreJsonSerializer(), new InMemoryCheckpointRepository(), processHandler.BuildHandlerResolver(), () => { }); _orderId = Guid.NewGuid(); _streamId = ("orders-" + _orderId.ToString("n")).FormatStreamIdWithBucket(); _correlationId = _orderId.ToString(); }