Ejemplo n.º 1
0
        public async Task When_new_resolved_event_then_should_dispatch()
        {
            await _nodeStarted;

            var dispatchedEvents = new List <EventMessage <TestEvent> >();
            var handlerModule    = new TestHandlerModule(dispatchedEvents);

            var serializer = new DefaultGetEventStoreJsonSerializer();

            using (var host = new ResolvedEventDispatcher(
                       _connection, serializer,
                       new InMemoryCheckpointRepository(),
                       new HandlerResolver(handlerModule)))
            {
                var projectedEvents = host
                                      .ProjectedEvents.Replay();

                using (projectedEvents.Connect())
                {
                    await host.Start();

                    Task <ResolvedEvent> commitProjected = projectedEvents
                                                           .Take(1)
                                                           .ToTask()
                                                           .WithTimeout(TimeSpan.FromSeconds(5));

                    var @event = new TestEvent();

                    var streamId  = "events".FormatStreamIdWithBucket();
                    var eventId   = DeterministicEventIdGenerator.Generate(@event, 1, streamId, Guid.NewGuid());
                    var eventData = serializer.SerializeEventData(@event, eventId);

                    await _connection.AppendToStreamAsync(streamId, ExpectedVersion.Any, eventData);

                    await commitProjected;

                    dispatchedEvents.Count.Should().Be(1);
                    dispatchedEvents[0].Headers.Should().NotBeNull();
                    dispatchedEvents[0].Version.Should().Be(0);
                    dispatchedEvents[0].DomainEvent.Should().BeOfType <TestEvent>();
                }
            }
        }
Ejemplo n.º 2
0
        public async Task When_handler_throws_Then_invoke_exception_callback()
        {
            await _nodeStarted;

            var serializer    = new DefaultGetEventStoreJsonSerializer();
            var handlerModule = new TestHandlerModule(new List <EventMessage <TestEvent> >());

            using (var host = new ResolvedEventDispatcher(
                       _connection, serializer,
                       new InMemoryCheckpointRepository(),
                       new HandlerResolver(handlerModule)))
            {
                var projectedEvents = host
                                      .ProjectedEvents.Replay();

                using (projectedEvents.Connect())
                {
                    await host.Start();

                    Task <ResolvedEvent> commitProjected = projectedEvents
                                                           .Take(1)
                                                           .ToTask()
                                                           .WithTimeout(TimeSpan.FromSeconds(5));

                    var @event    = new TestEventThatThrows();
                    var streamId  = "events";
                    var eventId   = DeterministicEventIdGenerator.Generate(@event, 1, streamId, Guid.NewGuid());
                    var eventData = serializer.SerializeEventData(@event, eventId);

                    await _connection.AppendToStreamAsync(streamId, ExpectedVersion.Any, eventData);

                    Func <Task> act = async() => await commitProjected;

                    act.ShouldThrow <Exception>();
                }
            }
        }
Ejemplo n.º 3
0
        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();
        }