refactor: Move RegisterMockFor to extension method

src/Common/FluentValidation/FluentValidationExtensions.cs

@@ -21,12 +21,12 @@ public static class FluentValidationExtensions
     public static IEnumerable<TSource> IsValid<TSource, TValidator>(
         this IEnumerable<TSource> source, TValidator validator,
         Action<List<ValidationFailure>, TSource>? handleInvalid = null)
-        where TValidator : IValidator<TSource>, new()
+        where TValidator : IValidator<TSource>
     {
         foreach (var s in source)
         {
             var result = validator.Validate(s);
-            if (result.IsValid)
+            if (result is {IsValid: true})
             {
                 yield return s;
             }

src/Recyclarr.TestLibrary/IntegrationFixture.cs

@@ -5,11 +5,11 @@ using Autofac;
 using Autofac.Features.ResolveAnything;
 using CliFx.Infrastructure;
 using Common.TestLibrary;
-using NSubstitute;
 using NUnit.Framework;
 using Recyclarr.Command;
 using Serilog;
 using Serilog.Events;
+using TestLibrary;
 using TrashLib;
 using TrashLib.Repo.VersionControl;
 using TrashLib.Startup;
@@ -31,9 +31,9 @@ public abstract class IntegrationFixture : IDisposable
             builder.RegisterInstance(Console).As<IConsole>();
             builder.RegisterInstance(Logger).As<ILogger>().SingleInstance();
 
-            RegisterMockFor<IServiceCommand>(builder);
-            RegisterMockFor<IGitRepository>(builder);
-            RegisterMockFor<IGitRepositoryFactory>(builder);
+            builder.RegisterMockFor<IServiceCommand>();
+            builder.RegisterMockFor<IGitRepository>();
+            builder.RegisterMockFor<IGitRepositoryFactory>();
 
             RegisterExtraTypes(builder);
 
@@ -73,11 +73,6 @@ public abstract class IntegrationFixture : IDisposable
 
     // ReSharper restore MemberCanBePrivate.Global
 
-    private static void RegisterMockFor<T>(ContainerBuilder builder) where T : class
-    {
-        builder.RegisterInstance(Substitute.For<T>()).As<T>();
-    }
-
     protected T Resolve<T>() where T : notnull
     {
         return Container.Resolve<T>();

src/Recyclarr.TestLibrary/Recyclarr.TestLibrary.csproj

@@ -2,5 +2,6 @@
   <ItemGroup>
     <ProjectReference Include="..\Common.TestLibrary\Common.TestLibrary.csproj" />
     <ProjectReference Include="..\Recyclarr\Recyclarr.csproj" />
+    <ProjectReference Include="..\TestLibrary\TestLibrary.csproj" />
   </ItemGroup>
 </Project>

src/TestLibrary/AutofacTestExtensions.cs

@@ -0,0 +1,12 @@
+using Autofac;
+using NSubstitute;
+
+namespace TestLibrary;
+
+public static class AutofacTestExtensions
+{
+    public static void RegisterMockFor<T>(this ContainerBuilder builder) where T : class
+    {
+        builder.RegisterInstance(Substitute.For<T>()).As<T>();
+    }
+}