v4.0.0 (#1357)

Source/MQTTnet.AspNetCore.Tests/Mockups/ConnectionHandlerMockup.cs

@@ -0,0 +1,50 @@
+// 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 Microsoft.AspNetCore.Connections;
+using MQTTnet.Adapter;
+using MQTTnet.Formatter;
+using MQTTnet.Server;
+using System;
+using System.Threading.Tasks;
+using MQTTnet.Diagnostics;
+
+namespace MQTTnet.AspNetCore.Tests.Mockups
+{
+    public class ConnectionHandlerMockup: IMqttServerAdapter
+    {
+        public TaskCompletionSource<MqttConnectionContext> Context { get; } = new TaskCompletionSource<MqttConnectionContext>();
+        public Func<IMqttChannelAdapter, Task> ClientHandler { get; set; }
+
+        public async Task OnConnectedAsync(ConnectionContext connection)
+        {
+            try
+            {
+                var formatter = new MqttPacketFormatterAdapter(new MqttBufferWriter(4096, 65535));
+                var context = new MqttConnectionContext(formatter, connection);
+                Context.TrySetResult(context);
+
+                await ClientHandler(context);
+            }
+            catch (Exception ex)
+            {
+                Context.TrySetException(ex);
+            }
+        }
+
+        public Task StartAsync(MqttServerOptions options, IMqttNetLogger logger)
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task StopAsync()
+        {
+            return Task.CompletedTask;
+        }
+
+        public void Dispose()
+        {
+        }
+    }
+}