Fix issue with generic types and SkipTypeMockHandler (#63)

Author: twsouthwick

AutofacContrib.NSubstitute.Tests/TypesToSkipForMockingFixture.cs

@@ -62,6 +62,7 @@ public void ManuallyCheckTypeToSkipOpenGeneric()
                 .Build();
 
             Assert.Throws<ComponentNotRegisteredException>(() => mock.Resolve<IDependency<object>>());
+            Assert.That(mock.Resolve<IDependency2<object>>(), Is.NSubstituteMock);
         }
 
         [Test]
@@ -81,6 +82,10 @@ public interface IDependency
         {
         }
 
+        public interface IDependency2<T>
+        {
+        }
+
         public interface IDependency<T>
         {
         }

AutofacContrib.NSubstitute/MockHandlers/SkipTypeMockHandler.cs

@@ -41,9 +41,12 @@ protected internal override void OnMockCreating(MockCreatingContext context)
         {
             foreach (var type in _types)
             {
-                if (type.IsGenericType && type == type.GetGenericTypeDefinition())
+                if (type.IsGenericType && context.Type.IsGenericType)
                 {
-                    context.DoNotCreate();
+                    if (context.Type.GetGenericTypeDefinition() == type.GetGenericTypeDefinition())
+                    {
+                        context.DoNotCreate();
+                    }
                 }
                 else if (type == context.Type)
                 {