value injector should map lazy loaded values properly.

NzbDrone.Api.Test/MappingTests/ResourceMappingFixture.cs

@@ -1,4 +1,6 @@
 using System;
+using FluentAssertions;
+using Marr.Data;
 using NUnit.Framework;
 using NzbDrone.Api.Config;
 using NzbDrone.Api.Episodes;
@@ -40,5 +42,58 @@ namespace NzbDrone.Api.Test.MappingTests
             MappingValidation.ValidateMapping(modelType, resourceType);
         }
 
+
+        [Test]
+        public void should_map_lay_loaded_values_should_not_be_inject_if_not_loaded()
+        {
+            var modelWithLazy = new ModelWithLazy()
+                {
+                    Guid = new TestLazyLoaded<Guid>()
+                };
+
+            modelWithLazy.InjectTo<ModelWithNoLazy>().Guid.Should().BeEmpty();
+
+            modelWithLazy.Guid.IsLoaded.Should().BeFalse();
+        }
+
+
+        [Test]
+        public void should_map_lay_loaded_values_should_be_inject_if_loaded()
+        {
+
+            var guid = Guid.NewGuid();
+
+            var modelWithLazy = new ModelWithLazy()
+            {
+                Guid = new LazyLoaded<Guid>(guid)
+            };
+
+            modelWithLazy.InjectTo<ModelWithNoLazy>().Guid.Should().Be(guid);
+
+            modelWithLazy.Guid.IsLoaded.Should().BeTrue();
+        }
+    }
+
+    public class ModelWithLazy
+    {
+        public LazyLoaded<Guid> Guid { get; set; }
+    }
+
+    public class ModelWithNoLazy
+    {
+        public Guid Guid { get; set; }
+    }
+
+    public class TestLazyLoaded<T> : LazyLoaded<T>
+    {
+        public TestLazyLoaded()
+        {
+
+        }
+
+        public override void Prepare(Func<IDataMapper> dataMapperFactory, object parent)
+        {
+            throw new InvalidOperationException();
+        }
     }
 }