public async Task TestProducerConsumer()
{
var cancel = new CancellationTokenSource();
var directoryEndpoint = "http://localhost:8080";
var producer1Endpoint = "tcp://localhost:8181";
var producer1HeartbeatEndpoint = "tcp://localhost:8282";
IWebHost host = null;
new Task(() =>
{
host = new WebHostBuilder()
.UseKestrel()
.UseUrls(directoryEndpoint)
.UseStartup <DirectoryStartup>()
.Build();
host.Run();
}, cancel.Token).Start();
await Task.Delay(500);
var directory = RestService.For <IDirectory>(directoryEndpoint);
var configurationProducer1 = new ProducerConfiguration()
{
IsTest = true,
Endpoint = producer1Endpoint,
HeartbeatEnpoint = producer1HeartbeatEndpoint,
Id = Guid.NewGuid()
};
var producer1 = new AccidentProducer(configurationProducer1, directory, new JsonSerializerSettings());
producer1.Start();
await Task.Delay(500);
var configurationConsumer1 = new ConsumerConfiguration <AccidentEvent>()
{
Topic = "Paris.Business",
Id = Guid.NewGuid()
};
var consumedEvents = new List <AccidentEvent>();
var consumer = new Consumer <AccidentEvent>(configurationConsumer1, directory, new JsonSerializerSettings());
consumer.GetSubscription()
.Subscribe(ev =>
{
consumedEvents.Add(ev);
});
consumer.Start();
await Task.Delay(500);
cancel.Cancel();
await host.StopAsync();
producer1.Stop();
consumer.Stop();
Assert.IsTrue(consumedEvents.Count > 0);
}
public async Task TestE2E()
{
var cancel = new CancellationTokenSource();
var directoryEndpoint = "http://localhost:8080";
var producer1Endpoint = "tcp://localhost:8181";
var producer1HeartbeatEndpoint = "tcp://localhost:8282";
var consumerEndpoint = "tcp://localhost:8383";
var consumerHeartbeatEndpoint = "tcp://localhost:8484";
var producer2Endpoint = "tcp://localhost:8585";
var producer2HeartbeatEndpoint = "tcp://localhost:8686";
//create directory
IWebHost host = null;
new Task(() =>
{
host = new WebHostBuilder()
.UseKestrel()
.UseUrls(directoryEndpoint)
.UseStartup <DirectoryStartup>()
.Build();
host.Run();
}, cancel.Token).Start();
await Task.Delay(500);
var directory = RestService.For <IDirectory>(directoryEndpoint);
//create producers
var configurationProducer1 = new ProducerConfiguration()
{
IsTest = true,
Endpoint = producer1Endpoint,
HeartbeatEnpoint = producer1HeartbeatEndpoint,
Id = Guid.NewGuid()
};
var configurationProducer2 = new ProducerConfiguration()
{
IsTest = true,
Endpoint = producer2Endpoint,
HeartbeatEnpoint = producer2HeartbeatEndpoint,
Id = Guid.NewGuid()
};
var producer1 = new AccidentProducer(configurationProducer1, directory, new JsonSerializerSettings());
var producer2 = new AccidentProducer(configurationProducer2, directory, new JsonSerializerSettings());
//start only one producer
producer1.Start();
await Task.Delay(500);
var configurationConsumer1 = new ConsumerConfiguration <AccidentEvent>()
{
Topic = "Paris.Business",
Id = Guid.NewGuid(),
Endpoint = consumerEndpoint,
HeartbeatEndpoint = consumerHeartbeatEndpoint
};
var consumedEvents = new List <AccidentEvent>();
var consumer = new Consumer <AccidentEvent>(configurationConsumer1, directory, new JsonSerializerSettings());
consumer.GetSubscription()
.Subscribe(ev =>
{
consumedEvents.Add(ev);
});
//start consumer
consumer.Start();
await Task.Delay(1000);
//the consumer should have fetch and subscribe to a producer
var stateOfTheWorld = await directory.GetStateOfTheWorld();
var currentEventCount = consumedEvents.Count;
//the producer shouold have register to the registry
var producer = stateOfTheWorld.First();
Assert.AreEqual(ProducerState.Alive, producer.State);
//at least an event should have match the filter
Assert.Greater(currentEventCount, 0);
Assert.AreEqual(1, stateOfTheWorld.Count());
//memorize current event count
var eventCount = consumedEvents.Count;
//kill the producer
producer1.Stop();
await Task.Delay(1000);
//the directory should have heartbeat the consumer, the consumer should not have consume any more event
stateOfTheWorld = await directory.GetStateOfTheWorld();
producer = stateOfTheWorld.First();
Assert.AreEqual(ProducerState.NotResponding, producer.State);
Assert.AreEqual(eventCount, consumedEvents.Count);
//start the second producer
producer2.Start();
await Task.Delay(1000);
//the directory shoud have register the new producer, the consumer should have subscribe to the new consumer
stateOfTheWorld = await directory.GetStateOfTheWorld();
Assert.AreEqual(2, stateOfTheWorld.Count());
Assert.Greater(consumedEvents.Count, currentEventCount);
cancel.Cancel();
producer2.Stop();
await host.StopAsync();
consumer.Stop();
}