public void AsyncProducerSendsAndConsumerReceivesSingleSimpleMessage()
{
Message sourceMessage = new Message(Encoding.UTF8.GetBytes("test message"));
var config = new AsyncProducerConfig(clientConfig);
var producer = new AsyncProducer(config);
var producerRequest = new ProducerRequest(CurrentTestTopic, 0, new List<Message>() { sourceMessage });
long currentOffset = TestHelper.GetCurrentKafkaOffset(CurrentTestTopic, clientConfig);
producer.Send(producerRequest);
ConsumerConfig consumerConfig = new ConsumerConfig(clientConfig);
IConsumer consumer = new Consumers.Consumer(consumerConfig);
FetchRequest request = new FetchRequest(CurrentTestTopic, 0, currentOffset);
BufferedMessageSet response;
int totalWaitTimeInMiliseconds = 0;
int waitSingle = 100;
while (true)
{
Thread.Sleep(waitSingle);
response = consumer.Fetch(request);
if (response != null && response.Messages.Count() > 0)
{
break;
}
else
{
totalWaitTimeInMiliseconds += waitSingle;
if (totalWaitTimeInMiliseconds >= MaxTestWaitTimeInMiliseconds)
{
break;
}
}
}
Assert.NotNull(response);
Assert.AreEqual(1, response.Messages.Count());
Message resultMessage = response.Messages.First();
Assert.AreEqual(sourceMessage.ToString(), resultMessage.ToString());
}
public void ProducerSends1Message()
{
int totalWaitTimeInMiliseconds = 0;
int waitSingle = 100;
var originalMessage = new Message(Encoding.UTF8.GetBytes("TestData"));
var multipleBrokersHelper = new TestMultipleBrokersHelper(CurrentTestTopic);
multipleBrokersHelper.GetCurrentOffsets();
var producerConfig = new ProducerConfig(clientConfig);
var mockPartitioner = new MockAlwaysZeroPartitioner();
using (var producer = new Producer<string, Message>(producerConfig, mockPartitioner, new DefaultEncoder(), null))
{
var producerData = new ProducerData<string, Message>(
CurrentTestTopic, "somekey", new List<Message> { originalMessage });
producer.Send(producerData);
Thread.Sleep(waitSingle);
while (!multipleBrokersHelper.CheckIfAnyBrokerHasChanged())
{
totalWaitTimeInMiliseconds += waitSingle;
Thread.Sleep(waitSingle);
if (totalWaitTimeInMiliseconds > this.maxTestWaitTimeInMiliseconds)
{
Assert.Fail("None of the brokers changed their offset after sending a message");
}
}
totalWaitTimeInMiliseconds = 0;
var consumerConfig = new ConsumerConfig(clientConfig)
{
Host = multipleBrokersHelper.BrokerThatHasChanged.Address,
Port = multipleBrokersHelper.BrokerThatHasChanged.Port
};
IConsumer consumer = new Consumers.Consumer(consumerConfig);
var request = new FetchRequest(CurrentTestTopic, 0, multipleBrokersHelper.OffsetFromBeforeTheChange);
BufferedMessageSet response;
while (true)
{
Thread.Sleep(waitSingle);
response = consumer.Fetch(request);
if (response != null && response.Messages.Count() > 0)
{
break;
}
totalWaitTimeInMiliseconds += waitSingle;
if (totalWaitTimeInMiliseconds >= this.maxTestWaitTimeInMiliseconds)
{
break;
}
}
Assert.NotNull(response);
Assert.AreEqual(1, response.Messages.Count());
Assert.AreEqual(originalMessage.ToString(), response.Messages.First().ToString());
}
}