Use NullLogger

Author: VladKovtun99

ManagedCode.Communication.Extensions/ExceptionFilterBase.cs

@@ -3,14 +3,15 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Filters;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using static ManagedCode.Communication.Extensions.Helpers.HttpStatusCodeHelper;
 using static ManagedCode.Communication.Extensions.Constants.ProblemConstants;
 
 namespace ManagedCode.Communication.Extensions;
 
-public abstract class ExceptionFilterBase(ILogger logger) : IExceptionFilter
+public abstract class ExceptionFilterBase : IExceptionFilter
 {
-    protected readonly ILogger Logger = logger ?? throw new ArgumentNullException(nameof(logger));
+    protected readonly ILogger Logger = NullLogger<ExceptionFilterBase>.Instance;
 
     public virtual void OnException(ExceptionContext context)
     {

ManagedCode.Communication.Extensions/HubExceptionFilterBase.cs

@@ -2,14 +2,15 @@
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.SignalR;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using static ManagedCode.Communication.Extensions.Helpers.HttpStatusCodeHelper;
 using static ManagedCode.Communication.Extensions.Constants.ProblemConstants;
 
 namespace ManagedCode.Communication.Extensions;
 
-public abstract class HubExceptionFilterBase(ILogger logger) : IHubFilter
+public abstract class HubExceptionFilterBase : IHubFilter
 {
-    protected readonly ILogger Logger = logger ?? throw new ArgumentNullException(nameof(logger));
+    protected readonly ILogger Logger = NullLogger.Instance;
 
     public async ValueTask<object?> InvokeMethodAsync(HubInvocationContext invocationContext,
         Func<HubInvocationContext, ValueTask<object?>> next)

ManagedCode.Communication.Tests/Common/TestApp/TestExceptionFilter.cs

@@ -1,6 +1,5 @@
 using ManagedCode.Communication.Extensions;
-using Microsoft.Extensions.Logging;
 
 namespace ManagedCode.Communication.Tests.Common.TestApp;
 
-public class TestExceptionFilter(ILogger<TestExceptionFilter> logger) : ExceptionFilterBase(logger); 
+public class TestExceptionFilter : ExceptionFilterBase; 

ManagedCode.Communication.Tests/Common/TestApp/TestHubExceptionFilter.cs

@@ -1,6 +1,5 @@
 using ManagedCode.Communication.Extensions;
-using Microsoft.Extensions.Logging;
 
 namespace ManagedCode.Communication.Tests.Common.TestApp;
 
-public class TestHubExceptionFilter(ILogger<TestHubExceptionFilter> logger) : HubExceptionFilterBase(logger); 
+public class TestHubExceptionFilter : HubExceptionFilterBase;