public void StreamThreadNormalWorkflow()
{
bool metricsReporterCalled = false;
List <ThreadState> allStates = new List <ThreadState>();
var expectedStates = new List <ThreadState>
{
ThreadState.CREATED,
ThreadState.STARTING,
ThreadState.PARTITIONS_ASSIGNED,
ThreadState.RUNNING,
ThreadState.PENDING_SHUTDOWN,
ThreadState.DEAD
};
var source = new System.Threading.CancellationTokenSource();
var config = new StreamConfig <StringSerDes, StringSerDes>();
config.ApplicationId = "test";
config.Guarantee = ProcessingGuarantee.AT_LEAST_ONCE;
config.PollMs = 1;
config.MetricsReporter = (sensor) => { metricsReporterCalled = true; };
config.AddOrUpdate(StreamConfig.metricsIntervalMsCst, 10);
var serdes = new StringSerDes();
var builder = new StreamBuilder();
builder.Stream <string, string>("topic").To("topic2");
var topo = builder.Build();
var supplier = new SyncKafkaSupplier();
var producer = supplier.GetProducer(config.ToProducerConfig());
var consumer = supplier.GetConsumer(config.ToConsumerConfig("test-consum"), null);
consumer.Subscribe("topic2");
var thread = StreamThread.Create(
"thread-0", "c0",
topo.Builder, new StreamMetricsRegistry(), config,
supplier, supplier.GetAdmin(config.ToAdminConfig("admin")),
0) as StreamThread;
allStates.Add(thread.State);
thread.StateChanged += (t, o, n) =>
{
Assert.IsInstanceOf <ThreadState>(n);
allStates.Add(n as ThreadState);
};
thread.Start(source.Token);
producer.Produce("topic", new Confluent.Kafka.Message <byte[], byte[]>
{
Key = serdes.Serialize("key1", new SerializationContext()),
Value = serdes.Serialize("coucou", new SerializationContext())
});
//WAIT STREAMTHREAD PROCESS MESSAGE
System.Threading.Thread.Sleep(100);
var message = consumer.Consume(100);
source.Cancel();
thread.Dispose();
Assert.AreEqual("key1", serdes.Deserialize(message.Message.Key, new SerializationContext()));
Assert.AreEqual("coucou", serdes.Deserialize(message.Message.Value, new SerializationContext()));
Assert.AreEqual(expectedStates, allStates);
Assert.IsTrue(metricsReporterCalled);
}