public async Task TestSimpleConsumerWorksOk()
{
var keySerializer = new NullSerializer <object>();
var valueSerializer = new StringSerializer();
var messagePartitioner = new LoadBalancedPartitioner <object>();
using (var temporaryTopic = testCluster.CreateTemporaryTopic())
using (var brokers = new KafkaBrokers(testCluster.CreateBrokerUris()))
{
var topic = temporaryTopic.Name;
var producer = KafkaProducer.Create(brokers, keySerializer, valueSerializer, messagePartitioner);
var consumer = KafkaConsumer.Create(defaultConsumerGroup, brokers, keySerializer, valueSerializer,
new TopicSelector {
Partition = 0, Topic = topic
});
await producer.SendAsync(KeyedMessage.Create(topic, "Message"), CancellationToken.None);
var responses = await consumer.ReceiveAsync(CancellationToken.None);
Assert.That(responses, Is.Not.Null);
Assert.That(responses, Has.Count.EqualTo(1));
var first = responses.First();
Assert.That(first.Key, Is.Null);
Assert.That(first.Offset, Is.EqualTo(0));
Assert.That(first.Partition, Is.EqualTo(0));
Assert.That(first.Topic, Is.EqualTo(topic));
Assert.That(first.Value, Is.EqualTo("Message"));
}
}
public async Task TestSimpleConsumerWorksOk()
{
var keySerializer = new NullSerializer<object>();
var valueSerializer = new StringSerializer();
var messagePartitioner = new LoadBalancedPartitioner<object>();
using (var temporaryTopic = testCluster.CreateTemporaryTopic())
using (var brokers = new KafkaBrokers(testCluster.CreateBrokerUris()))
{
var topic = temporaryTopic.Name;
var producer = KafkaProducer.Create(brokers, keySerializer, valueSerializer, messagePartitioner);
var consumer = KafkaConsumer.Create(defaultConsumerGroup, brokers, keySerializer, valueSerializer,
new TopicSelector { Partition = 0, Topic = topic });
await producer.SendAsync(KeyedMessage.Create(topic, "Message"), CancellationToken.None);
var responses = await consumer.ReceiveAsync(CancellationToken.None);
Assert.That(responses, Is.Not.Null);
Assert.That(responses, Has.Count.EqualTo(1));
var first = responses.First();
Assert.That(first.Key, Is.Null);
Assert.That(first.Offset, Is.EqualTo(0));
Assert.That(first.Partition, Is.EqualTo(0));
Assert.That(first.Topic, Is.EqualTo(topic));
Assert.That(first.Value, Is.EqualTo("Message"));
}
}
public void TestLoadBalancedPartitioner(object objectToTest, int numberOfPartitions)
{
var partitioner = new LoadBalancedPartitioner<object>();
var expected = 0;
for (var i = 0; i < numberOfPartitions * 2; i++ )
{
var result = partitioner.CalculatePartition(objectToTest, numberOfPartitions);
Assert.That(result, Is.EqualTo(expected));
expected = (expected + 1) % numberOfPartitions;
}
}
public void TestLoadBalancedPartitioner(object objectToTest, int numberOfPartitions)
{
var partitioner = new LoadBalancedPartitioner <object>();
var expected = 0;
for (var i = 0; i < numberOfPartitions * 2; i++)
{
var result = partitioner.CalculatePartition(objectToTest, numberOfPartitions);
Assert.That(result, Is.EqualTo(expected));
expected = (expected + 1) % numberOfPartitions;
}
}
