public void ZKAwareProducerSends1Message()
{
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()))
{
var producerData = new ProducerData<string, Message>(
CurrentTestTopic, "somekey", new List<Message>() { originalMessage });
producer.Send(producerData);
while (!multipleBrokersHelper.CheckIfAnyBrokerHasChanged())
{
totalWaitTimeInMiliseconds += waitSingle;
Thread.Sleep(waitSingle);
if (totalWaitTimeInMiliseconds > 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 >= MaxTestWaitTimeInMiliseconds)
{
break;
}
}
Assert.NotNull(response);
Assert.AreEqual(1, response.Messages.Count());
Assert.AreEqual(originalMessage.ToString(), response.Messages.First().ToString());
}
}
public void ZkAwareProducerSends3Messages()
{
var prodConfig = this.ZooKeeperBasedSyncProdConfig;
int totalWaitTimeInMiliseconds = 0;
int waitSingle = 100;
var originalMessage1 = new Message(Encoding.UTF8.GetBytes("TestData1"));
var originalMessage2 = new Message(Encoding.UTF8.GetBytes("TestData2"));
var originalMessage3 = new Message(Encoding.UTF8.GetBytes("TestData3"));
var originalMessageList = new List<Message> { originalMessage1, originalMessage2, originalMessage3 };
var multipleBrokersHelper = new TestMultipleBrokersHelper(CurrentTestTopic);
multipleBrokersHelper.GetCurrentOffsets(new[] { this.SyncProducerConfig1, this.SyncProducerConfig2, this.SyncProducerConfig3 });
var mockPartitioner = new MockAlwaysZeroPartitioner();
using (var producer = new Producer<string, Message>(prodConfig, mockPartitioner, new DefaultEncoder()))
{
var producerData = new ProducerData<string, Message>(CurrentTestTopic, "somekey", originalMessageList);
producer.Send(producerData);
while (!multipleBrokersHelper.CheckIfAnyBrokerHasChanged(new[] { this.SyncProducerConfig1, this.SyncProducerConfig2, this.SyncProducerConfig3 }))
{
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 ConsumerConfiguration(
multipleBrokersHelper.BrokerThatHasChanged.Host,
multipleBrokersHelper.BrokerThatHasChanged.Port);
IConsumer consumer = new 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() > 2)
{
break;
}
totalWaitTimeInMiliseconds += waitSingle;
if (totalWaitTimeInMiliseconds >= this.maxTestWaitTimeInMiliseconds)
{
break;
}
}
Assert.NotNull(response);
Assert.AreEqual(3, response.Messages.Count());
Assert.AreEqual(originalMessage1.ToString(), response.Messages.First().ToString());
Assert.AreEqual(originalMessage2.ToString(), response.Messages.Skip(1).First().ToString());
Assert.AreEqual(originalMessage3.ToString(), response.Messages.Skip(2).First().ToString());
}
}
