public void Set_routing_key_per_message_and_consume_them_in_the_same_process()
{
string GetRoutingKey(string s) => $"key.{s}";
var exchangeName = "amqp.topic." + Environment.TickCount;
var queueName = "amqp-conn-it-spec-simple-queue-" + Environment.TickCount;
var exchangeDeclaration = ExchangeDeclaration.Create(exchangeName, "topic");
var queueDeclaration = QueueDeclaration.Create(queueName);
var bindingDeclaration = BindingDeclaration.Create(queueName, exchangeName).WithRoutingKey(GetRoutingKey("*"));
var amqpSink = AmqpSink.Create(
AmqpSinkSettings.Create(_connectionSettings)
.WithExchange(exchangeName)
.WithDeclarations(exchangeDeclaration, queueDeclaration, bindingDeclaration));
var amqpSource = AmqpSource.AtMostOnceSource(
NamedQueueSourceSettings.Create(_connectionSettings, queueName).WithDeclarations(exchangeDeclaration, queueDeclaration, bindingDeclaration),
bufferSize: 10);
var input = new[] { "one", "two", "three", "four", "five" };
var routingKeys = input.Select(GetRoutingKey);
Source.From(input)
.Select(s => new OutgoingMessage(ByteString.FromString(s), false, false, routingKey: GetRoutingKey(s)))
.RunWith(amqpSink, _mat)
.Wait();
var result = amqpSource
.Take(input.Length)
.RunWith(Sink.Seq <IncomingMessage>(), _mat)
.Result;
result.Select(x => x.Envelope.RoutingKey).Should().Equal(routingKeys);
result.Select(x => x.Bytes.ToString()).Should().Equal(input);
}
static async Task Main(string[] args)
{
using var actorSystem = ActorSystem.Create("poc");
using var mat = actorSystem.Materializer();
var connectionSettings = AmqpConnectionDetails.Create("localhost", 5672)
.WithCredentials(AmqpCredentials.Create("mirero", "system"))
.WithAutomaticRecoveryEnabled(true)
.WithNetworkRecoveryInterval(TimeSpan.FromSeconds(1));
var queueName = "Amqp_Test_1";
var queueDeclation = QueueDeclaration.Create(queueName)
.WithDurable(false)
.WithAutoDelete(true);
var amqpSink = AmqpSink.CreateSimple(AmqpSinkSettings.Create(connectionSettings)
.WithRoutingKey(queueName)
.WithDeclarations(queueDeclation));
var amqpSource = AmqpSource.CommittableSource(NamedQueueSourceSettings.Create(connectionSettings, queueName)
.WithDeclarations(queueDeclation), 1);
var input = new[] { "one", "two", "three", "four", "five" };
await Source.From(input)
.Select(ByteString.FromString)
.RunWith(amqpSink, mat);
await actorSystem.Terminate();
}
public void Publish_from_one_source_and_consume_elements_with_multiple_sinks()
{
var queueName = "amqp-conn-it-spec-work-queues-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName);
var amqpSink = AmqpSink.CreateSimple(
AmqpSinkSettings.Create(_connectionSettings)
.WithRoutingKey(queueName)
.WithDeclarations(queueDeclaration));
var input = new[] { "one", "two", "three", "four", "five" };
Source.From(input).Select(ByteString.FromString).RunWith(amqpSink, _mat);
var mergedSources = Source.FromGraph(GraphDsl.Create(b =>
{
const int count = 3;
var merge = b.Add(new Merge <IncomingMessage>(count));
for (var n = 0; n < count; n++)
{
var source = b.Add(
AmqpSource.AtMostOnceSource(
NamedQueueSourceSettings.Create(_connectionSettings, queueName).WithDeclarations(queueDeclaration),
bufferSize: 1));
b.From(source.Outlet).To(merge.In(n));
}
return(new SourceShape <IncomingMessage>(merge.Out));
}));
var result = mergedSources.Select(x => x.Bytes.ToString()).Take(input.Length).RunWith(Sink.Seq <string>(), _mat);
result.Result.OrderBy(x => x).ToArray().Should().Equal(input.OrderBy(x => x).ToArray());
}
public void Publish_and_consume_elements_through_a_simple_queue_again_in_the_same_process()
{
ExchangeDeclaration.Create("logs", "topic");
//queue declaration
var queueName = "amqp-conn-it-spec-simple-queue-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName).WithDurable(false).WithAutoDelete(true);
//create sink
var amqpSink = AmqpSink.CreateSimple(
AmqpSinkSettings.Create(_connectionSettings)
.WithRoutingKey(queueName)
.WithDeclarations(queueDeclaration));
//create source
var amqpSource = AmqpSource.AtMostOnceSource(
NamedQueueSourceSettings.Create(_connectionSettings, queueName).WithDeclarations(queueDeclaration),
bufferSize: 10);
//run sink
var input = new[] { "one", "two", "three", "four", "five" };
Source.From(input).Select(ByteString.FromString).RunWith(amqpSink, _mat).Wait();
//run source
var result =
amqpSource.Select(m => m.Bytes.ToString(Encoding.UTF8))
.Take(input.Length)
.RunWith(Sink.Seq <string>(), _mat);
result.Wait(TimeSpan.FromSeconds(3));
Assert.Equal(input, result.Result);
}
public void Not_republish_message_without_autoAck_false_if_nack_is_sent()
{
var queueName = "amqp-conn-it-spec-simple-queue-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName);
var amqpSink = AmqpSink.CreateSimple(AmqpSinkSettings.Create(_connectionSettings).WithRoutingKey(queueName).WithDeclarations(queueDeclaration));
var input = new[] { "one", "two", "three", "four", "five" };
Source.From(input).Select(ByteString.FromString).RunWith(amqpSink, _mat).Wait();
var amqpSource = AmqpSource.CommittableSource(
NamedQueueSourceSettings.Create(_connectionSettings, queueName).WithDeclarations(queueDeclaration), bufferSize: 10);
var result1 = amqpSource
.SelectAsync(1, async cm =>
{
await cm.Nack(requeue: false);
return(cm);
})
.Take(input.Length)
.RunWith(Sink.Seq <CommittableIncomingMessage>(), _mat);
result1.Wait(TimeSpan.FromSeconds(3)).Should().BeTrue();
var result2 = amqpSource
.SelectAsync(1, async cm =>
{
await cm.Ack();
return(cm);
})
.Take(input.Length)
.RunWith(Sink.Seq <CommittableIncomingMessage>(), _mat);
result2.Wait(TimeSpan.FromSeconds(1)).Should().BeFalse();
}
public void Publish_and_consume_elements_through_a_simple_queue_again_in_the_same_process_without_autoAck()
{
var queueName = "amqp-conn-it-spec-simple-queue-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName);
var amqpSink = AmqpSink.CreateSimple(AmqpSinkSettings.Create(_connectionSettings).WithRoutingKey(queueName).WithDeclarations(queueDeclaration));
//#create-source-withoutautoack
var amqpSource = AmqpSource.CommittableSource(
NamedQueueSourceSettings.Create(_connectionSettings, queueName).WithDeclarations(queueDeclaration),
bufferSize: 10);
//#create-source-withoutautoack
var input = new[] { "one", "two", "three", "four", "five" };
Source.From(input).Select(ByteString.FromString).RunWith(amqpSink, _mat).Wait();
//#run-source-withoutautoack
var result = amqpSource
.SelectAsync(1, async cm =>
{
await cm.Ack();
return(cm);
})
.Take(input.Length)
.RunWith(Sink.Seq <CommittableIncomingMessage>(), _mat);
//#run-source-withoutautoack
result.Result.Select(x => x.Message.Bytes.ToString()).Should().Equal(input);
}
public void Not_fail_on_a_fast_producer_and_a_slow_consumer()
{
var queueName = "amqp-conn-it-spec-simple-queue-2-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName);
var amqpSource = AmqpSource.AtMostOnceSource(
NamedQueueSourceSettings.Create(_connectionSettings, queueName).WithDeclarations(queueDeclaration), bufferSize: 2);
var amqpSink = AmqpSink.CreateSimple(AmqpSinkSettings.Create(_connectionSettings).WithRoutingKey(queueName).WithDeclarations(queueDeclaration));
var publisher = this.CreatePublisherProbe <ByteString>();
var subscriber = this.CreateSubscriberProbe <IncomingMessage>();
amqpSink.AddAttributes(Attributes.CreateInputBuffer(1, 1)).RunWith(Source.FromPublisher(publisher), _mat);
amqpSource.AddAttributes(Attributes.CreateInputBuffer(1, 1)).RunWith(Sink.FromSubscriber(subscriber), _mat);
// note that this essentially is testing rabbitmq just as much as it tests our sink and source
publisher.EnsureSubscription();
subscriber.EnsureSubscription();
publisher.ExpectRequest().Should().Be(1);
publisher.SendNext(ByteString.FromString("one"));
publisher.ExpectRequest();
publisher.SendNext(ByteString.FromString("two"));
publisher.ExpectRequest();
publisher.SendNext(ByteString.FromString("three"));
publisher.ExpectRequest();
publisher.SendNext(ByteString.FromString("four"));
publisher.ExpectRequest();
publisher.SendNext(ByteString.FromString("five"));
subscriber.Request(4);
subscriber.ExpectNext().Bytes.ToString().Should().Be("one");
subscriber.ExpectNext().Bytes.ToString().Should().Be("two");
subscriber.ExpectNext().Bytes.ToString().Should().Be("three");
subscriber.ExpectNext().Bytes.ToString().Should().Be("four");
subscriber.Request(1);
subscriber.ExpectNext().Bytes.ToString().Should().Be("five");
subscriber.Cancel();
publisher.SendComplete();
}
public void PublishAndConsume()
{
var connectionSettings = AmqpConnectionDetails.Create("localhost", 5672).WithAutomaticRecoveryEnabled(true).WithNetworkRecoveryInterval(TimeSpan.FromSeconds(1));
var exchange = ExchangeDeclaration.Create("logs", "topic");
//queue declaration
var queueName = "amqp-conn-it-spec-simple-queue-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName).WithDurable(false).WithAutoDelete(true);
//create sink
var amqpSink = AmqpSink.CreateSimple(
AmqpSinkSettings.Create(connectionSettings)
.WithRoutingKey(queueName)
.WithDeclarations(queueDeclaration));
//create source
int bufferSize = 10;
var amqpSource = AmqpSource.Create(
NamedQueueSourceSettings.Create(DefaultAmqpConnection.Instance, queueName)
.WithDeclarations(queueDeclaration),
bufferSize);
//run sink
var input = new List <string> {
"one", "two", "three", "four", "five"
};
Source.From(input).Select(ByteString.FromString).RunWith(amqpSink, _materializer).Wait();
//run source
var result =
amqpSource.Select(m => m.Bytes.ToString(Encoding.UTF8))
.Take(input.Count)
.RunWith(Sink.Seq <string>(), _materializer);
result.Wait(TimeSpan.FromSeconds(3));
Assert.Equal(input, result.Result);
}
public static Source <CommittableIncomingMessage, Akka.NotUsed> CommittableQueue(Action <SimpleQueueOptions> opt)
{
var option = new SimpleQueueOptions();
opt.Invoke(option);
var connectionSettings = AmqpConnectionDetails.Create(option.HostAndPorts.First().Host, option.HostAndPorts.First().Port)
.WithHostsAndPorts(option.HostAndPorts.First(), option.HostAndPorts.ToArray())
.WithCredentials(AmqpCredentials.Create(option.UserName, option.Password))
.WithAutomaticRecoveryEnabled(true)
.WithNetworkRecoveryInterval(TimeSpan.FromSeconds(1))
.WithVirtualHost(option.VirtualHost);
var queueDeclaration = QueueDeclaration.Create(option.QueueName)
.WithDurable(false)
.WithAutoDelete(false);
return(AmqpSource.CommittableSource(NamedQueueSourceSettings.Create(connectionSettings, option.QueueName)
.WithDeclarations(queueDeclaration), 1));
}
public void Keep_connection_open_if_downstream_closes_and_there_are_pending_acks()
{
var queueName = "amqp-conn-it-spec-simple-queue-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName);
var amqpSink = AmqpSink.CreateSimple(AmqpSinkSettings.Create(_connectionSettings).WithRoutingKey(queueName).WithDeclarations(queueDeclaration));
var amqpSource = AmqpSource.CommittableSource(
NamedQueueSourceSettings.Create(_connectionSettings, queueName).WithDeclarations(queueDeclaration), bufferSize: 10);
var input = new[] { "one", "two", "three", "four", "five" };
Source.From(input).Select(ByteString.FromString).RunWith(amqpSink, _mat).Wait();
var result = amqpSource.Take(input.Length).RunWith(Sink.Seq <CommittableIncomingMessage>(), _mat);
foreach (var cm in result.Result)
{
cm.Ack().Wait();
}
}
public void Publish_via_RPC_which_expects_2_responses_per_message_and_then_consume_through_a_simple_queue_again_in_the_same_process()
{
var queueName = "amqp-conn-it-spec-rpc-queue-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName);
var amqpRpcFlow = AmqpRpcFlow.CreateSimple(
AmqpSinkSettings.Create(_connectionSettings).WithRoutingKey(queueName).WithDeclarations(queueDeclaration), repliesPerMessage: 2);
var amqpSource = AmqpSource.AtMostOnceSource(NamedQueueSourceSettings.Create(_connectionSettings, queueName), bufferSize: 1);
var input = new[] { "one", "two", "three", "four", "five" };
var t =
Source.From(input)
.Select(ByteString.FromString)
.ViaMaterialized(amqpRpcFlow, Keep.Right)
.ToMaterialized(this.SinkProbe <ByteString>(), Keep.Both)
.Run(_mat);
var rpcQueueF = t.Item1;
var probe = t.Item2;
rpcQueueF.Result.Should().NotBeNullOrWhiteSpace("RPC flow materializes into response queue name");
var amqpSink = AmqpSink.ReplyTo(AmqpReplyToSinkSettings.Create(_connectionSettings));
amqpSource
.SelectMany(b =>
new[]
{
new OutgoingMessage(b.Bytes.Concat(ByteString.FromString("a")), false, false, b.Properties),
new OutgoingMessage(b.Bytes.Concat(ByteString.FromString("aa")), false, false, b.Properties)
})
.RunWith(amqpSink, _mat);
probe
.Request(10)
.ExpectNextUnorderedN(input.SelectMany(s => new[] { ByteString.FromString(s + "a"), ByteString.FromString(s + "aa") }))
.ExpectComplete();
}
public void Publish_elements_with_flow_then_consume_them_with_source()
{
ExchangeDeclaration.Create("logs", "topic");
var queueName = "amqp-conn-it-spec-simple-queue-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName).WithDurable(false).WithAutoDelete(true);
var amqpFlow =
AmqpFlow.Create <string>(
AmqpSinkSettings.Create(_connectionSettings)
.WithRoutingKey(queueName)
.WithDeclarations(queueDeclaration));
var input = new[] { "one", "two", "three", "four", "five" };
var passedThrough =
Source.From(input)
.Select(x => (new OutgoingMessage(ByteString.FromString(x), true, true), x))
.Via(amqpFlow)
.RunWith(Sink.Seq <string>(), _mat)
.Result
.ToArray();
Assert.Equal(input, passedThrough, StringComparer.InvariantCulture);
var consumed =
AmqpSource.AtMostOnceSource(
NamedQueueSourceSettings.Create(_connectionSettings, queueName).WithDeclarations(queueDeclaration),
bufferSize: 10)
.Select(m => m.Bytes.ToString(Encoding.UTF8))
.Take(input.Length)
.RunWith(Sink.Seq <string>(), _mat)
.Result
.ToArray();
Assert.Equal(input, consumed, StringComparer.InvariantCulture);
}
public void Publish_via_RPC_and_then_consume_through_a_simple_queue_again_in_the_same_process_without_autoAck()
{
var queueName = "amqp-conn-it-spec-rpc-queue-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName);
var input = new[] { "one", "two", "three", "four", "five" };
var amqpRpcFlow = AmqpRpcFlow.CommittableFlow(
AmqpSinkSettings.Create(_connectionSettings).WithRoutingKey(queueName).WithDeclarations(queueDeclaration), bufferSize: 10);
var t =
Source.From(input)
.Select(ByteString.FromString)
.Select(bytes => new OutgoingMessage(bytes, false, false))
.ViaMaterialized(amqpRpcFlow, Keep.Right)
.SelectAsync(1, async cm =>
{
await cm.Ack();
return(cm.Message);
})
.ToMaterialized(this.SinkProbe <IncomingMessage>(), Keep.Both)
.Run(_mat);
var rpcQueueF = t.Item1;
var probe = t.Item2;
rpcQueueF.Wait();
var amqpSink = AmqpSink.ReplyTo(AmqpReplyToSinkSettings.Create(_connectionSettings));
var amqpSource = AmqpSource.AtMostOnceSource(NamedQueueSourceSettings.Create(_connectionSettings, queueName), bufferSize: 1);
amqpSource
.Select(b => new OutgoingMessage(b.Bytes, false, false, b.Properties))
.RunWith(amqpSink, _mat);
probe.ToStrict(TimeSpan.FromSeconds(3)).Select(x => x.Bytes.ToString()).Should().Equal(input);
}
public void Declare_connection_that_does_not_require_server_acks()
{
//var connectionSettings = AmqpConnectionDetails.Create("localhost", 5672);
var queueName = "amqp-conn-it-spec-fire-and-forget-" + Environment.TickCount;
var queueDeclaration = QueueDeclaration.Create(queueName);
var amqpSink = AmqpSink.CreateSimple(AmqpSinkSettings.Create(_connectionSettings)
.WithRoutingKey(queueName)
.WithDeclarations(queueDeclaration));
var amqpSource = AmqpSource.CommittableSource(NamedQueueSourceSettings.Create(_connectionSettings, queueName)
.WithAckRequired(false)
.WithDeclarations(queueDeclaration), bufferSize: 10);
var input = new[] { "one", "two", "three", "four", "five" };
Source.From(input).Select(ByteString.FromString).RunWith(amqpSink, _mat).Wait();
var result = amqpSource.Take(input.Length).RunWith(Sink.Seq <CommittableIncomingMessage>(), _mat).Result;
result.Select(x => x.Message.Bytes.ToString(Encoding.UTF8)).Should().Equal(input);
}