Add low level client.

2026-10-18 18:43:10 +08:00 · 2020-04-01 20:43:00 +02:00
parent 0d39bbbc0c
commit 04ccdcd562
46 changed files with 711 additions and 418 deletions
@@ -0,0 +1,111 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MQTTnet.Client.Options;
+using MQTTnet.LowLevelClient;
+using MQTTnet.Packets;
+using MQTTnet.Protocol;
+using MQTTnet.Tests.Mockups;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MQTTnet.Tests
+{
+    [TestClass]
+    public class LowLevelMqttClient_Tests
+    {
+        public TestContext TestContext { get; set; }
+
+        [TestMethod]
+        public async Task Connect_And_Disconnect()
+        {
+            using (var testEnvironment = new TestEnvironment(TestContext))
+            {
+                var server = await testEnvironment.StartServerAsync();
+
+                var factory = new MqttFactory();
+                var lowLevelClient = factory.CreateLowLevelMqttClient();
+
+                await lowLevelClient.ConnectAsync(new MqttClientOptionsBuilder().WithTcpServer("127.0.0.1", testEnvironment.ServerPort).Build(), CancellationToken.None);
+
+                await lowLevelClient.DisconnectAsync(CancellationToken.None);
+            }
+        }
+
+        [TestMethod]
+        public async Task Authenticate()
+        {
+            using (var testEnvironment = new TestEnvironment(TestContext))
+            {
+                var server = await testEnvironment.StartServerAsync();
+
+                var factory = new MqttFactory();
+                var lowLevelClient = factory.CreateLowLevelMqttClient();
+
+                await lowLevelClient.ConnectAsync(new MqttClientOptionsBuilder().WithTcpServer("127.0.0.1", testEnvironment.ServerPort).Build(), CancellationToken.None);
+
+                var receivedPacket = await Authenticate(lowLevelClient).ConfigureAwait(false);
+
+                await lowLevelClient.DisconnectAsync(CancellationToken.None).ConfigureAwait(false);
+
+                Assert.IsNotNull(receivedPacket);
+                Assert.AreEqual(MqttConnectReturnCode.ConnectionAccepted, receivedPacket.ReturnCode);
+            }
+        }
+
+        [TestMethod]
+        public async Task Subscribe()
+        {
+            using (var testEnvironment = new TestEnvironment(TestContext))
+            {
+                var server = await testEnvironment.StartServerAsync();
+
+                var factory = new MqttFactory();
+                var lowLevelClient = factory.CreateLowLevelMqttClient();
+
+                await lowLevelClient.ConnectAsync(new MqttClientOptionsBuilder().WithTcpServer("127.0.0.1", testEnvironment.ServerPort).Build(), CancellationToken.None);
+
+                await Authenticate(lowLevelClient).ConfigureAwait(false);
+
+                var receivedPacket = await Subscribe(lowLevelClient, "a").ConfigureAwait(false);
+
+                await lowLevelClient.DisconnectAsync(CancellationToken.None).ConfigureAwait(false);
+
+                Assert.IsNotNull(receivedPacket);
+                Assert.AreEqual(MqttSubscribeReturnCode.SuccessMaximumQoS0, receivedPacket.ReturnCodes[0]);
+            }
+        }
+
+        async Task<MqttConnAckPacket> Authenticate(ILowLevelMqttClient client)
+        {
+            await client.SendAsync(new MqttConnectPacket()
+            {
+                CleanSession = true,
+                ClientId = TestContext.TestName,
+                Username = "user",
+                Password = Encoding.UTF8.GetBytes("pass")
+            },
+            CancellationToken.None).ConfigureAwait(false);
+
+            return await client.ReceiveAsync(CancellationToken.None).ConfigureAwait(false) as MqttConnAckPacket;
+        }
+
+        async Task<MqttSubAckPacket> Subscribe(ILowLevelMqttClient client, string topic)
+        {
+            await client.SendAsync(new MqttSubscribePacket
+            {
+                PacketIdentifier = 1,
+                TopicFilters = new List<TopicFilter>
+                {
+                    new TopicFilter
+                    {
+                        Topic = topic
+                    }
+                }
+            },
+            CancellationToken.None).ConfigureAwait(false);
+
+            return await client.ReceiveAsync(CancellationToken.None).ConfigureAwait(false) as MqttSubAckPacket;
+        }
+    }
+}