Feature/mqttv5 subscriptions server (#1246)

* Add support for RetainHandling. * Add support for No Local. * Add support for _SubscriptionIdentifier_. * Add more Unit Tests. * Update docs.
2026-10-20 03:24:33 +08:00 · 2021-09-23 20:30:43 +02:00
parent feb53e78c6
commit c756a4092f
83 changed files with 2032 additions and 1237 deletions
@@ -0,0 +1,57 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MQTTnet.Client;
+using MQTTnet.Client.Options;
+using MQTTnet.Client.Subscribing;
+using MQTTnet.Formatter;
+using MQTTnet.Tests.Mockups;
+
+namespace MQTTnet.Tests.Server
+{
+    [TestClass]
+    public class Feature_Tests
+    {
+        public TestContext TestContext { get; set; }
+
+        [TestMethod]
+        public async Task Use_User_Properties()
+        {
+            using (var testEnvironment = new TestEnvironment(TestContext))
+            {
+                await testEnvironment.StartServer();
+
+                var sender = await testEnvironment.ConnectClient(new MqttClientOptionsBuilder().WithProtocolVersion(MqttProtocolVersion.V500));
+                var receiver = await testEnvironment.ConnectClient(new MqttClientOptionsBuilder().WithProtocolVersion(MqttProtocolVersion.V500));
+
+                var message = new MqttApplicationMessageBuilder()
+                    .WithTopic("A")
+                    .WithUserProperty("x", "1")
+                    .WithUserProperty("y", "2")
+                    .WithUserProperty("z", "3")
+                    .WithUserProperty("z", "4"); // z is here two times to test list of items
+
+                await receiver.SubscribeAsync(new MqttClientSubscribeOptions
+                {
+                    TopicFilters = new List<MqttTopicFilter>
+                    {
+                        new MqttTopicFilter { Topic = "#" }
+                    }
+                }, CancellationToken.None);
+
+                MqttApplicationMessage receivedMessage = null;
+                receiver.UseApplicationMessageReceivedHandler(e => receivedMessage = e.ApplicationMessage);
+
+                await sender.PublishAsync(message.Build(), CancellationToken.None);
+
+                await Task.Delay(1000);
+
+                Assert.IsNotNull(receivedMessage);
+                Assert.AreEqual("A", receivedMessage.Topic);
+                Assert.AreEqual(4, receivedMessage.UserProperties.Count);
+
+            }
+        }
+    }
+}