Refactor package object model.

2026-10-19 19:13:11 +08:00 · 2020-10-28 23:11:12 +01:00
parent adce5662eb
commit b7fb0c1002
71 changed files with 761 additions and 582 deletions
@@ -0,0 +1,58 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MQTTnet.Packets;
+using MQTTnet.Tests.Mockups;
+
+namespace MQTTnet.Tests
+{
+    [TestClass]
+    public sealed class Server_KeepAlive_Tests
+    {
+        [TestMethod]
+        public async Task Disconnect_Client_DueTo_KeepAlive()
+        {
+            using (var testEnvironment = new TestEnvironment())
+            {
+                var server = await testEnvironment.StartServerAsync();
+
+                var client = await testEnvironment.ConnectLowLevelClientAsync(o => o.WithCommunicationTimeout(TimeSpan.FromSeconds(2))).ConfigureAwait(false);
+
+                await client.SendAsync(new MqttConnectPacket
+                {
+                    CleanSession = true,
+                    ClientId = "abc",
+                    KeepAlivePeriod = 1,
+                }, CancellationToken.None).ConfigureAwait(false);
+
+                var response = await client.ReceiveAsync(CancellationToken.None).ConfigureAwait(false);
+
+                Assert.IsTrue(response is MqttConnAckPacket);
+
+                await client.SendAsync(MqttPingReqPacket.Instance, CancellationToken.None);
+                await Task.Delay(500);
+                await client.SendAsync(MqttPingReqPacket.Instance, CancellationToken.None);
+                await Task.Delay(500);
+                await client.SendAsync(MqttPingReqPacket.Instance, CancellationToken.None);
+                await Task.Delay(500);
+                await client.SendAsync(MqttPingReqPacket.Instance, CancellationToken.None);
+
+                // If we reach this point everything works as expected (server did not close the connection
+                // due to proper ping messages.
+                // Now we will wait 1.2 seconds because the server MUST wait 1.5 seconds in total (See spec).
+
+                await Task.Delay(1200);
+                await client.SendAsync(MqttPingReqPacket.Instance, CancellationToken.None);
+
+                // Now we will wait longer than 1.5 so that the server will close the connection.
+
+                await Task.Delay(3000);
+
+                await server.StopAsync();
+
+                await client.ReceiveAsync(CancellationToken.None);
+            }
+        }
+    }
+}