Files
natsdotnet/tests/NATS.Server.Mqtt.Tests/Mqtt/MqttPublishSubscribeParityTests.cs
Joseph Doherty 845441b32c feat: implement full MQTT Go parity across 5 phases — binary protocol, auth/TLS, cross-protocol bridging, monitoring, and JetStream persistence
Phase 1: Binary MQTT 3.1.1 wire protocol with PipeReader-based parsing,
full packet type dispatch, and MQTT 3.1.1 compliance checks.

Phase 2: Auth pipeline routing MQTT CONNECT through AuthService,
TLS transport with SslStream wrapping, pinned cert validation.

Phase 3: IMessageRouter refactor (NatsClient → INatsClient),
MqttNatsClientAdapter for cross-protocol bridging, MqttTopicMapper
with full Go-parity topic/subject translation.

Phase 4: /connz mqtt_client field population, /varz actual MQTT port.

Phase 5: JetStream persistence — MqttStreamInitializer creates 5
internal streams, MqttConsumerManager for QoS 1/2 consumers,
subject-keyed session/retained lookups replacing linear scans.

All 503 MQTT tests and 1589 Core tests pass.
2026-03-13 10:09:40 -04:00

35 lines
1.3 KiB
C#

using System.Net;
using System.Net.Sockets;
using NATS.Server.Mqtt;
namespace NATS.Server.Mqtt.Tests;
public class MqttPublishSubscribeParityTests
{
[Fact]
public async Task Mqtt_publish_only_reaches_matching_topic_subscribers()
{
await using var listener = new MqttListener("127.0.0.1", 0);
listener.UseBinaryProtocol = false;
using var cts = new CancellationTokenSource();
await listener.StartAsync(cts.Token);
using var sub = new TcpClient();
await sub.ConnectAsync(IPAddress.Loopback, listener.Port);
var subStream = sub.GetStream();
await MqttTestWire.WriteLineAsync(subStream, "CONNECT sub");
_ = await MqttTestWire.ReadLineAsync(subStream, 1000);
await MqttTestWire.WriteLineAsync(subStream, "SUB sensors.temp");
_ = await MqttTestWire.ReadLineAsync(subStream, 1000);
using var pub = new TcpClient();
await pub.ConnectAsync(IPAddress.Loopback, listener.Port);
var pubStream = pub.GetStream();
await MqttTestWire.WriteLineAsync(pubStream, "CONNECT pub");
_ = await MqttTestWire.ReadLineAsync(pubStream, 1000);
await MqttTestWire.WriteLineAsync(pubStream, "PUB sensors.humidity 90");
(await MqttTestWire.ReadLineAsync(subStream, 150)).ShouldBeNull();
}
}