public void ShouldApplyEvent()
{
var ccyPair = new CurrencyPair()
{
Ask = 0.1,
Bid = 0.1,
Mid = 0.1,
Spread = 0.02,
State = CcyPairState.Active,
Id = "EUR/USD"
};
var changeStateClose = new ChangeCcyPairState()
{
State = CcyPairState.Passive
};
ccyPair.Apply(changeStateClose);
Assert.AreEqual(CcyPairState.Passive, ccyPair.State);
Assert.AreEqual(1, ccyPair.AppliedEvents.Count());
var changeStateOpen = new ChangeCcyPairState()
{
State = CcyPairState.Active
};
ccyPair.Apply(changeStateOpen as IEvent);
Assert.AreEqual(CcyPairState.Active, ccyPair.State);
Assert.AreEqual(2, ccyPair.AppliedEvents.Count());
}
public void ShouldSerializeEventSubject()
{
var changeCcyPairState = new ChangeCcyPairState("test", "FxConnect", CcyPairState.Active);
var subject = _eventSerializer.GetSubject(changeCcyPairState);
Assert.AreEqual("test.Active.FxConnect", subject);
changeCcyPairState = new ChangeCcyPairState("test", null, CcyPairState.Passive);
subject = _eventSerializer.GetSubject(changeCcyPairState);
Assert.AreEqual("test.Passive", subject);
var changeCcyPairPrice = new ChangeCcyPairPrice(
ccyPairId: "test",
market: "market",
ask: 0.1,
bid: 0.1,
mid: 0.1,
spread: 0.02
);
subject = _eventSerializer.GetSubject(changeCcyPairPrice);
Assert.AreEqual("test.market", subject);
}
public async Task ShouldApplyMultipleEvents()
{
using (var publisherSocket = new PublisherSocket())
{
publisherSocket.Bind(ToSubscribersEndpoint);
var streamId = "EUR/USD";
var createEvent = new Func <IEvent <String, CurrencyPair>, Task>(async(@event) =>
{
var message = _eventSerializer.ToProducerMessage(@event);
var eventId = new EventId(@event.EventStreamId, 0, @event.Subject, DateTime.Now.Ticks);
publisherSocket.SendMoreFrame(message.Subject)
.SendMoreFrame(_serializer.Serialize(eventId))
.SendFrame(_serializer.Serialize(message));
await Task.Delay(200);
});
var cacheConfiguration = new DynamicCacheConfiguration(ToSubscribersEndpoint, StateOfTheWorldEndpoint, HeartbeatEndpoint)
{
Subject = string.Empty,
HeartbeatDelay = TimeSpan.FromSeconds(1),
HeartbeatTimeout = TimeSpan.FromSeconds(1),
};
var cache = new DynamicCache <string, CurrencyPair>(cacheConfiguration, LoggerForTests <DynamicCache <string, CurrencyPair> > .Default(), _eventSerializer);
await cache.Run();
await Task.Delay(2000);
var priceEvent = new ChangeCcyPairPrice(streamId, "FxConnect", 0.0, 0.0, 0.0, 0.0);
await createEvent(priceEvent);
var changeStateClose = new ChangeCcyPairState(streamId, "FxConnect", CcyPairState.Passive);
await createEvent(changeStateClose);
Assert.AreEqual(1, cache.Items.Count());
Assert.AreEqual(CcyPairState.Passive, cache.Items.First().State);
Assert.AreEqual(2, cache.Items.SelectMany(ccy => ccy.AppliedEvents).Count());
await cache.Destroy();
}
}
public async Task ShouldHandleStateOfTheWorldRequest()
{
using (var publisher = new PublisherSocket())
{
publisher.Connect(ToPublishersEndpoint);
var command1 = new ChangeCcyPairState("EUR/USD", "TEST2", CcyPairState.Passive);
var command2 = new ChangeCcyPairState("EUR/USD", "TEST2", CcyPairState.Active);
var message1 = _eventSerializer.ToProducerMessage(command1);
var message2 = _eventSerializer.ToProducerMessage(command2);
await Task.Delay(200);
publisher.SendMoreFrame(message1.Subject)
.SendFrame(_eventSerializer.Serializer.Serialize(message1));
await Task.Delay(200);
publisher.SendMoreFrame(message2.Subject)
.SendFrame(_eventSerializer.Serializer.Serialize(message2));
await Task.Delay(200);
var cacheItems = await _eventCache.GetAllStreams();
Assert.AreEqual(2, cacheItems.Count());
using (var dealer = new DealerSocket())
{
var request = new StateRequest()
{
Subject = "EUR/USD"
};
var requestBytes = _eventSerializer.Serializer.Serialize(request);
dealer.Connect(StateOfTheWorldEndpoint);
dealer.SendFrame(requestBytes);
var hasResponse = dealer.TryReceiveFrameBytes(TimeSpan.FromMilliseconds(1000), out var responseBytes);
var response = _eventSerializer.Serializer.Deserialize <StateReply>(responseBytes);
Assert.AreEqual(2, response.Events.Count());
}
}
}
public void ShouldSerializeEventSubject()
{
var serializer = new JsonNetSerializer();
var eventSerializer = new EventSerializer(serializer);
var changeCcyPairState = new ChangeCcyPairState()
{
EventStreamId = "test",
State = CcyPairState.Active,
Market = "FxConnect"
};
var subject = eventSerializer.GetSubject(changeCcyPairState);
Assert.AreEqual("test.Active.FxConnect", subject);
changeCcyPairState = new ChangeCcyPairState()
{
EventStreamId = "test",
State = CcyPairState.Passive,
};
subject = eventSerializer.GetSubject(changeCcyPairState);
Assert.AreEqual("test.Passive.*", subject);
var changeCcyPairPrice = new ChangeCcyPairPrice(
ccyPairId: "test",
market: "market",
ask: 0.1,
bid: 0.1,
mid: 0.1,
spread: 0.02
);
subject = eventSerializer.GetSubject(changeCcyPairPrice);
Assert.AreEqual("test.market", subject);
}
public async Task ShouldHandleIncomingEvent()
{
using (var publisher = new PublisherSocket())
{
publisher.Connect(ToPublishersEndpoint);
using (var subscriber = new SubscriberSocket())
{
subscriber.Connect(ToSubscribersEndpoint);
subscriber.SubscribeToAnyTopic();
var command = new ChangeCcyPairState("EUR/USD", "TEST", CcyPairState.Passive);
var message = _eventSerializer.ToProducerMessage(command);
await Task.Delay(200);
publisher.SendMoreFrame(message.Subject)
.SendFrame(_eventSerializer.Serializer.Serialize(message));
NetMQMessage msg = null;
var hasResponse = subscriber.TryReceiveMultipartMessage(TimeSpan.FromMilliseconds(1000), ref msg);
Assert.IsTrue(hasResponse);
var eventIdBytes = msg[1].Buffer;
var eventMessageBytes = msg[2].Buffer;
var eventId = _eventSerializer.Serializer.Deserialize <EventId>(eventIdBytes);
Assert.AreEqual("EUR/USD", eventId.EventStream);
Assert.AreEqual("EUR/USD.0", eventId.Id);
Assert.AreEqual(0, eventId.Version);
Assert.AreEqual(message.Subject, eventId.Subject);
var producerMessage = _eventSerializer.Serializer.Deserialize <ProducerMessage>(eventMessageBytes);
var @event = _serializer.Deserialize <ChangeCcyPairState>(producerMessage.MessageBytes);
Assert.AreEqual(message.Subject, producerMessage.Subject);
Assert.AreEqual(typeof(ChangeCcyPairState), producerMessage.MessageType);
Assert.AreEqual(command.EventStreamId, @event.EventStreamId);
Assert.AreEqual(command.Market, @event.Market);
Assert.AreEqual(command.State, @event.State);
command = new ChangeCcyPairState("EUR/USD", "TEST", CcyPairState.Active);
message = _eventSerializer.ToProducerMessage(command);
await Task.Delay(200);
publisher.SendMoreFrame(message.Subject)
.SendFrame(_eventSerializer.Serializer.Serialize(message));
await Task.Delay(50);
hasResponse = subscriber.TryReceiveMultipartMessage(TimeSpan.FromMilliseconds(1000), ref msg);
Assert.IsTrue(hasResponse);
eventIdBytes = msg[1].Buffer;
eventMessageBytes = msg[2].Buffer;
eventId = _eventSerializer.Serializer.Deserialize <EventId>(eventIdBytes);
Assert.AreEqual("EUR/USD", eventId.EventStream);
Assert.AreEqual("EUR/USD.1", eventId.Id);
Assert.AreEqual(1, eventId.Version);
Assert.AreEqual(message.Subject, eventId.Subject);
}
}
}
