Test: Linter Cleanup & Improvements

Tests/HiveMQtt.Test/HiveMQClient/ConnectTest.cs

@@ -37,10 +37,7 @@ public async Task RaiseOnFailureToConnectAsync()
         var clientOptions = new HiveMQClientOptionsBuilder().WithPort(0).Build();
         var client = new HiveMQClient(clientOptions);
 
-        await Assert.ThrowsAsync<HiveMQttClientException>(async () =>
-        {
-            await client.ConnectAsync().ConfigureAwait(false);
-        }).ConfigureAwait(false);
+        await Assert.ThrowsAsync<HiveMQttClientException>(client.ConnectAsync).ConfigureAwait(false);
     }
 
     [Fact]

Tests/HiveMQtt.Test/HiveMQClient/LWTTest.cs

@@ -30,7 +30,9 @@ public async Task Last_Will_With_Properties_Async()
             Assert.Equal("last will message", args.PublishMessage.PayloadAsString);
             Assert.Equal("application/text", args.PublishMessage.ContentType);
             Assert.Equal("response/topic", args.PublishMessage.ResponseTopic);
+#pragma warning disable SA1010 // Opening square brackets should be spaced correctly
             byte[] correlationData = [1, 2, 3, 4, 5];
+#pragma warning restore SA1010 // Opening square brackets should be spaced correctly
             Assert.Equal(correlationData, args.PublishMessage.CorrelationData);
             Assert.Equal(MQTT5PayloadFormatIndicator.UTF8Encoded, args.PublishMessage.PayloadFormatIndicator);
             Assert.Equal(100, args.PublishMessage.MessageExpiryInterval);
@@ -61,7 +63,9 @@ public async Task Last_Will_With_Properties_Async()
         options.LastWillAndTestament.QoS = QualityOfService.AtLeastOnceDelivery;
         options.LastWillAndTestament.ContentType = "application/text";
         options.LastWillAndTestament.ResponseTopic = "response/topic";
+#pragma warning disable SA1010 // Opening square brackets should be spaced correctly
         byte[] correlationData = [1, 2, 3, 4, 5];
+#pragma warning restore SA1010 // Opening square brackets should be spaced correctly
         options.LastWillAndTestament.CorrelationData = correlationData;
         options.LastWillAndTestament.UserProperties.Add("userPropertyKey", "userPropertyValue");
 

Tests/HiveMQtt.Test/HiveMQClient/LastWillAndTestamentBuilderTest.cs

@@ -41,7 +41,9 @@ public async Task Last_Will_With_Properties_Async()
 
         var messagesReceived = 0;
         var taskLWTReceived = new TaskCompletionSource<bool>();
+#pragma warning disable SA1010 // Opening square brackets should be spaced correctly
         byte[] correlationDataBytes = [1, 2, 3, 4, 5];
+#pragma warning restore SA1010 // Opening square brackets should be spaced correctly
 
         // Set the event handler for the message received event
         listenerClient.OnMessageReceived += (sender, args) =>

Tests/HiveMQtt.Test/HiveMQClient/OptionsTest.cs

@@ -63,7 +63,7 @@ public void WithBadClientMaximumPacketSize()
             ClientMaximumPacketSize = -300,
         };
 
-        var exception = Assert.Throws<HiveMQttClientException>(() => options.Validate());
+        var exception = Assert.Throws<HiveMQttClientException>(options.Validate);
         Assert.Contains("Client Maximum Packet Size must be greater than 0.", exception.Message);
 
         options.ClientMaximumPacketSize = long.MaxValue;

Tests/HiveMQtt.Test/HiveMQClient/PublishTest.cs

@@ -201,6 +201,7 @@
         var client2MessageCount = 0;
 
         // client 2 will receive the message and republish it to another topic
+#pragma warning disable VSTHRD100 // Avoid async void methods
         async void Client2MessageHandler(object? sender, OnMessageReceivedEventArgs eventArgs)
         {
             client2MessageCount++;
@@ -210,6 +211,7 @@
                 Assert.NotNull(publishResult);
             }
         }
+#pragma warning restore VSTHRD100 // Avoid async void methods
 
         client2.OnMessageReceived += Client2MessageHandler;
 
@@ -218,12 +220,14 @@
         var client3MessageCount = 0;
 
         // client 3 will receive the final message
+#pragma warning disable VSTHRD100 // Avoid async void methods
         async void Client3MessageHandler(object? sender, OnMessageReceivedEventArgs eventArgs)
         {
             client3MessageCount++;
             Assert.NotNull(eventArgs.PublishMessage);
             Assert.Equal("Hello World", eventArgs.PublishMessage.PayloadAsString);
         }
+#pragma warning restore VSTHRD100 // Avoid async void methods
 
         client3.OnMessageReceived += Client3MessageHandler;
 
@@ -288,6 +292,7 @@
         var client2MessageCount = 0;
 
         // client 2 will receive the message and republish it to another topic
+#pragma warning disable VSTHRD100 // Avoid async void methods
         async void Client2MessageHandler(object? sender, OnMessageReceivedEventArgs eventArgs)
         {
             client2MessageCount++;
@@ -298,6 +303,7 @@
                 Assert.Equal(publishResult.QoS1ReasonCode, PubAckReasonCode.Success);
             }
         }
+#pragma warning restore VSTHRD100 // Avoid async void methods
 
         client2.OnMessageReceived += Client2MessageHandler;
 
@@ -307,7 +313,7 @@
         var client3MessageCount = 0;
 
         // client 3 will receive the final message
-        async void Client3MessageHandler(object? sender, OnMessageReceivedEventArgs eventArgs)
+        void Client3MessageHandler(object? sender, OnMessageReceivedEventArgs eventArgs)
         {
             client3MessageCount++;
             Assert.NotNull(eventArgs.PublishMessage);
@@ -377,23 +383,27 @@
         var client2MessageCount = 0;
 
         // client 2 will receive the message and republish it to another topic
+#pragma warning disable VSTHRD100 // Avoid async void methods
         async void Client2MessageHandler(object? sender, OnMessageReceivedEventArgs eventArgs)
         {
             client2MessageCount++;
             var client = sender as HiveMQClient;
+#pragma warning disable CS8602 // Dereference of a possibly null reference.
             var publishResult = await client.PublishAsync("HMQ/SecondTopic", eventArgs.PublishMessage.PayloadAsString, QualityOfService.ExactlyOnceDelivery).ConfigureAwait(true);
+#pragma warning restore CS8602 // Dereference of a possibly null reference.
             Assert.NotNull(publishResult);
             Assert.Equal(publishResult.QoS2ReasonCode, PubRecReasonCode.Success);
         }
+#pragma warning restore VSTHRD100 // Avoid async void methods
 
         client2.OnMessageReceived += Client2MessageHandler;
 
         // client 3 Subscribe to the secondary topic
         subscribeResult = await client3.SubscribeAsync("HMQ/SecondTopic", QualityOfService.ExactlyOnceDelivery).ConfigureAwait(false);
 
-        var client3MessageCount = 0;
         // client 3 will receive the final message
-        async void Client3MessageHandler(object? sender, OnMessageReceivedEventArgs eventArgs)
+        var client3MessageCount = 0;
+        void Client3MessageHandler(object? sender, OnMessageReceivedEventArgs eventArgs)
         {
             client3MessageCount++;
             Assert.NotNull(eventArgs.PublishMessage);

Tests/HiveMQtt.Test/HiveMQClient/UnsubscribeTest.cs

@@ -41,10 +41,7 @@ public async Task InvalidUnsubscribeStringAsync()
         Assert.True(connectResult.ReasonCode == ConnAckReasonCode.Success);
 
         // Unsubscribe from a non-existing subscription should throw an exception
-        await Assert.ThrowsAsync<HiveMQttClientException>(() =>
-            {
-                return subClient.UnsubscribeAsync("tests/InvalidUnsubscribeStringAsync");
-            }).ConfigureAwait(false);
+        await Assert.ThrowsAsync<HiveMQttClientException>(() => subClient.UnsubscribeAsync("tests/InvalidUnsubscribeStringAsync")).ConfigureAwait(false);
 
         Assert.True(subClient.Subscriptions.Count == 0);
 
@@ -63,10 +60,7 @@ public async Task InvalidUnsubscribeSubscriptionAsync()
         var subscription = new Subscription(topicFilter);
 
         // Unsubscribe from a non-existing subscription should throw an exception
-        await Assert.ThrowsAsync<HiveMQttClientException>(() =>
-            {
-                return subClient.UnsubscribeAsync(subscription);
-            }).ConfigureAwait(false);
+        await Assert.ThrowsAsync<HiveMQttClientException>(() => subClient.UnsubscribeAsync(subscription)).ConfigureAwait(false);
 
         Assert.True(subClient.Subscriptions.Count == 0);
 

Tests/HiveMQtt.Test/HiveMQClient/UtilTest.cs

@@ -117,6 +117,5 @@ public void MultiLevelWildcardMatch()
         // A subscription to “$SYS/#” will receive messages published to topics beginning with “$SYS/”
         result = HiveMQClient.MatchTopic("$SYS/#", "$SYS/broker/clients/total");
         Assert.True(result);
-
     }
 }