Fix: use Equals for keyed service key comparison instead of reference equality

Co-authored-by: AGiorgetti <246067+AGiorgetti@users.noreply.github.com>

Author: Copilot

src/Mammoth.Extensions.DependencyInjection.Tests/ServiceCollectionExtensions.Registration.Tests.cs

@@ -97,33 +97,36 @@ public void IsSingletonServiceRegistered_Returns_True_When_Registered_As_Singlet
 		public void IsKeyedTransientServiceRegistered_Returns_True_When_Registered_As_Keyed_Transient()
 		{
 			var serviceCollection = new ServiceCollection();
-			serviceCollection.AddKeyedTransient<TestService>("key");
+			var key = Guid.NewGuid();
+			serviceCollection.AddKeyedTransient<TestService>(key);
 
-			Assert.IsTrue(serviceCollection.IsKeyedTransientServiceRegistered<TestService>("key"));
-			Assert.IsFalse(serviceCollection.IsKeyedScopedServiceRegistered<TestService>("key"));
-			Assert.IsFalse(serviceCollection.IsKeyedSingletonServiceRegistered<TestService>("key"));
+			Assert.IsTrue(serviceCollection.IsKeyedTransientServiceRegistered<TestService>(key));
+			Assert.IsFalse(serviceCollection.IsKeyedScopedServiceRegistered<TestService>(key));
+			Assert.IsFalse(serviceCollection.IsKeyedSingletonServiceRegistered<TestService>(key));
 		}
 
 		[TestMethod]
 		public void IsKeyedScopedServiceRegistered_Returns_True_When_Registered_As_Keyed_Scoped()
 		{
 			var serviceCollection = new ServiceCollection();
-			serviceCollection.AddKeyedScoped<TestService>("key");
+			var key = Guid.NewGuid();
+			serviceCollection.AddKeyedScoped<TestService>(key);
 
-			Assert.IsFalse(serviceCollection.IsKeyedTransientServiceRegistered<TestService>("key"));
-			Assert.IsTrue(serviceCollection.IsKeyedScopedServiceRegistered<TestService>("key"));
-			Assert.IsFalse(serviceCollection.IsKeyedSingletonServiceRegistered<TestService>("key"));
+			Assert.IsFalse(serviceCollection.IsKeyedTransientServiceRegistered<TestService>(key));
+			Assert.IsTrue(serviceCollection.IsKeyedScopedServiceRegistered<TestService>(key));
+			Assert.IsFalse(serviceCollection.IsKeyedSingletonServiceRegistered<TestService>(key));
 		}
 
 		[TestMethod]
 		public void IsKeyedSingletonServiceRegistered_Returns_True_When_Registered_As_Keyed_Singleton()
 		{
 			var serviceCollection = new ServiceCollection();
-			serviceCollection.AddKeyedSingleton<TestService>("key");
+			var key = Guid.NewGuid();
+			serviceCollection.AddKeyedSingleton<TestService>(key);
 
-			Assert.IsFalse(serviceCollection.IsKeyedTransientServiceRegistered<TestService>("key"));
-			Assert.IsFalse(serviceCollection.IsKeyedScopedServiceRegistered<TestService>("key"));
-			Assert.IsTrue(serviceCollection.IsKeyedSingletonServiceRegistered<TestService>("key"));
+			Assert.IsFalse(serviceCollection.IsKeyedTransientServiceRegistered<TestService>(key));
+			Assert.IsFalse(serviceCollection.IsKeyedScopedServiceRegistered<TestService>(key));
+			Assert.IsTrue(serviceCollection.IsKeyedSingletonServiceRegistered<TestService>(key));
 		}
 	}
 }

src/Mammoth.Extensions.DependencyInjection/ServiceCollectionExtensions.Registration.cs

@@ -174,7 +174,7 @@ public static bool IsKeyedSingletonServiceRegistered(this IServiceCollection ser
 			}
 
 			var descriptors = services.GetServiceDescriptors(serviceType, isKeyedService: true)
-				.Where(d => d.ServiceKey == serviceKey)
+				.Where(d => Equals(d.ServiceKey, serviceKey))
 				.ToArray();
 			return descriptors.Length > 0 && descriptors[descriptors.Length - 1].Lifetime == ServiceLifetime.Singleton;
 		}
@@ -210,7 +210,7 @@ public static bool IsKeyedScopedServiceRegistered(this IServiceCollection servic
 			}
 
 			var descriptors = services.GetServiceDescriptors(serviceType, isKeyedService: true)
-				.Where(d => d.ServiceKey == serviceKey)
+				.Where(d => Equals(d.ServiceKey, serviceKey))
 				.ToArray();
 			return descriptors.Length > 0 && descriptors[descriptors.Length - 1].Lifetime == ServiceLifetime.Scoped;
 		}
@@ -246,7 +246,7 @@ public static bool IsKeyedTransientServiceRegistered(this IServiceCollection ser
 			}
 
 			var descriptors = services.GetServiceDescriptors(serviceType, isKeyedService: true)
-				.Where(d => d.ServiceKey == serviceKey)
+				.Where(d => Equals(d.ServiceKey, serviceKey))
 				.ToArray();
 			return descriptors.Length > 0 && descriptors[descriptors.Length - 1].Lifetime == ServiceLifetime.Transient;
 		}