public void when_write_and_read_envelope()
{
var serializer = new TestMessageSerializer(new[] { typeof(SerializerTest1), typeof(SerializerTest2), });
var streamer = new EnvelopeStreamer(serializer);
var date = DateTime.UtcNow;
var savedBytes = streamer.SaveEnvelopeData(new ImmutableEnvelope("EnvId", date, new SerializerTest1 {
Name = "Test1"
},
new[]
{
new MessageAttribute("key1", "val1"),
new MessageAttribute("key2", "val2"),
}));
var envelope = streamer.ReadAsEnvelopeData(savedBytes);
Assert.AreEqual("EnvId", envelope.EnvelopeId);
Assert.AreEqual(date, envelope.CreatedUtc);
Assert.AreEqual(2, envelope.Attributes.Count);
Assert.AreEqual("key1", envelope.Attributes.ToArray()[0].Key);
Assert.AreEqual("val1", envelope.Attributes.ToArray()[0].Value);
Assert.AreEqual("key2", envelope.Attributes.ToArray()[1].Key);
Assert.AreEqual("val2", envelope.Attributes.ToArray()[1].Value);
Assert.AreEqual(typeof(SerializerTest1), envelope.Message.GetType());
Assert.AreEqual("Test1", (envelope.Message as SerializerTest1).Name);
}
Action <ImmutableEnvelope> MakeRouter(MessageStore tape)
{
var entities = CreateQueueWriter(AggregateHandlerQueue);
var processing = _serviceQueues.Select(CreateQueueWriter).ToArray();
return(envelope =>
{
var message = envelope.Message;
if (message is ICommand)
{
// all commands are recorded to audit stream, as they go through router
tape.RecordMessage("audit", envelope);
}
if (message is IEvent)
{
throw new InvalidOperationException("Events are not expected in command router queue");
}
var data = Streamer.SaveEnvelopeData(envelope);
if (message is ICommand <IIdentity> )
{
entities.PutMessage(data);
return;
}
if (message is IFuncCommand)
{
// randomly distribute between queues
var i = Environment.TickCount % processing.Length;
processing[i].PutMessage(data);
return;
}
throw new InvalidOperationException("Unknown message format");
});
}
