v4.0.0 (#1357)

2026-10-27 08:42:37 +08:00 · 2022-02-20 21:10:46 +01:00
parent 47e674e4d3
commit 2ce9b94ec9
608 changed files with 22364 additions and 19420 deletions
@@ -0,0 +1,48 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MQTTnet.Formatter;
+using MQTTnet.Client;
+
+namespace MQTTnet.Tests.Server
+{
+    [TestClass]
+    public sealed class Retain_As_Published_Tests : BaseTestClass
+    {
+        [TestMethod]
+        public Task Subscribe_With_Retain_As_Published()
+        {
+            return ExecuteTest(true);
+        }
+
+        [TestMethod]
+        public Task Subscribe_Without_Retain_As_Published()
+        {
+            return ExecuteTest(false);
+        }
+
+        async Task ExecuteTest(bool retainAsPublished)
+        {
+            using (var testEnvironment = CreateTestEnvironment(MqttProtocolVersion.V500))
+            {
+                await testEnvironment.StartServer();
+
+                var client1 = await testEnvironment.ConnectClient();
+                var applicationMessageHandler = testEnvironment.CreateApplicationMessageHandler(client1);
+                var topicFilter = testEnvironment.Factory.CreateTopicFilterBuilder().WithTopic("Topic").WithRetainAsPublished(retainAsPublished).Build();
+                await client1.SubscribeAsync(topicFilter);
+                await LongTestDelay();
+
+                // The client will publish a message where it is itself subscribing to.
+                await client1.PublishStringAsync("Topic", "Payload", retain: true);
+                await LongTestDelay();
+
+                applicationMessageHandler.AssertReceivedCountEquals(1);
+                Assert.AreEqual(retainAsPublished, applicationMessageHandler.ReceivedEventArgs[0].ApplicationMessage.Retain);
+            }
+        }
+    }
+}