public void TestUnAckMessageRedeliveryWithReceive()
{
var topic = $"persistent://public/default/async-unack-redelivery-{Guid.NewGuid()}";
var builder = new ConsumerConfigBuilder <byte[]>();
builder.Topic(topic);
builder.SubscriptionName("sub-TestUnAckMessageRedeliveryWithReceive");
builder.AckTimeout(TimeSpan.FromMilliseconds(8000));
builder.ForceTopicCreation(true);
builder.AcknowledgmentGroupTime(0);
builder.SubscriptionType(Protocol.Proto.CommandSubscribe.SubType.Shared);
var consumer = _client.NewConsumer(builder);
var pBuilder = new ProducerConfigBuilder <byte[]>();
pBuilder.Topic(topic);
var producer = _client.NewProducer(pBuilder);
const int messageCount = 10;
for (var i = 0; i < messageCount; i++)
{
var receipt = producer.Send(Encoding.UTF8.GetBytes("my-message-" + i));
_output.WriteLine(JsonSerializer.Serialize(receipt, new JsonSerializerOptions {
WriteIndented = true
}));
}
var messageReceived = 0;
Thread.Sleep(TimeSpan.FromSeconds(5));
for (var i = 0; i < messageCount; ++i)
{
var m = consumer.Receive();
var receivedMessage = Encoding.UTF8.GetString(m.Data);
_output.WriteLine($"Received message: [{receivedMessage}]");
Assert.NotNull(receivedMessage);
messageReceived++;
}
Assert.Equal(10, messageReceived);
Thread.Sleep(TimeSpan.FromSeconds(10));
for (var i = 0; i < messageCount; i++)
{
var m = consumer.Receive();
var receivedMessage = Encoding.UTF8.GetString(m.Data);
_output.WriteLine($"Received message: [{receivedMessage}]");
Assert.NotNull(receivedMessage);
messageReceived++;
}
Assert.Equal(20, messageReceived);
producer.Close();
consumer.Close();
}
private Consumer <byte[]> CreateConsumer(string topic, string consumerSub, KeySharedPolicy keySharedPolicy = null)
{
var builder = new ConsumerConfigBuilder <byte[]>();
builder.Topic(topic);
builder.SubscriptionName(consumerSub);
builder.AckTimeout(TimeSpan.FromSeconds(10));
builder.ForceTopicCreation(true);
if (keySharedPolicy != null)
{
builder.KeySharedPolicy(keySharedPolicy);
}
builder.SubscriptionType(CommandSubscribe.SubType.KeyShared);
return(_client.NewConsumer(builder));
}