public async Task ShouldSubscribeToEventFeed()
{
var eventIdProvider = new InMemoryEventIdProvider();
var serializer = new JsonNetSerializer();
var eventSerializer = new EventSerializer(serializer);
var eventCache = new InMemoryEventCache(eventIdProvider, eventSerializer);
var brokerConfiguration = new BrokerageServiceConfiguration()
{
HeartbeatEndpoint = HeartbeatEndpoint,
StateOftheWorldEndpoint = StateOfTheWorldEndpoint,
ToSubscribersEndpoint = ToSubscribersEndpoint,
ToPublisherEndpoint = ToPublishersEndpoint
};
var router = new BrokerageService(brokerConfiguration, eventCache, serializer);
var marketConfiguration = new ProducerConfiguration()
{
RouterEndpoint = ToPublishersEndpoint,
HearbeatEndpoint = HeartbeatEndpoint
};
var market1 = new Market("FxConnect", marketConfiguration, eventSerializer, TimeSpan.FromMilliseconds(750));
var market2 = new Market("Harmony", marketConfiguration, eventSerializer, TimeSpan.FromMilliseconds(750));
await router.Run();
await market1.Run();
await market2.Run();
//create an event cache
await Task.Delay(2000);
//Assert.Greater(router.Cache.Count(), 0);
var cacheConfiguration = new DynamicCacheConfiguration(ToSubscribersEndpoint, StateOfTheWorldEndpoint, HeartbeatEndpoint);
var cache = new DynamicCache <string, CurrencyPair>(cacheConfiguration, eventSerializer);
var counter = 0;
var cleanup = cache.OnItemChanged()
.Connect()
.Subscribe(_ =>
{
counter++;
});
await cache.Run();
await Task.Delay(2000);
// Assert.AreEqual(router.Cache.Count(), counter);
Assert.AreEqual(cache.GetItems().SelectMany(item => item.AppliedEvents).Count(), counter);
//fxconnext & harmony
Assert.AreEqual(2, cache.GetItems()
.SelectMany(item => item.AppliedEvents)
.Cast <ChangeCcyPairPrice>()
.Select(ev => ev.Market)
.Distinct()
.Count());
cleanup.Dispose();
await Task.WhenAll(new[] { router.Destroy(), market1.Destroy(), market2.Destroy(), cache.Destroy() });
}