Add Test Fixture for Alt Title Housekeeper

src/NzbDrone.Core.Test/Housekeeping/Housekeepers/CleanupOrphanedAlternativeTitlesFixture.cs

@@ -0,0 +1,47 @@
+using FizzWare.NBuilder;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.Housekeeping.Housekeepers;
+using NzbDrone.Core.Languages;
+using NzbDrone.Core.Movies;
+using NzbDrone.Core.Movies.AlternativeTitles;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.Housekeeping.Housekeepers
+{
+    [TestFixture]
+    public class CleanupOrphanedAlternativeTitleFixture : DbTest<CleanupOrphanedAlternativeTitles, AlternativeTitle>
+    {
+        [Test]
+        public void should_delete_orphaned_alternative_title_items()
+        {
+            var altTitle = Builder<AlternativeTitle>.CreateNew()
+                                              .With(h => h.MovieId = default)
+                                              .With(h => h.Language = Language.English)
+                                              .BuildNew();
+
+            Db.Insert(altTitle);
+            Subject.Clean();
+            AllStoredModels.Should().BeEmpty();
+        }
+
+        [Test]
+        public void should_not_delete_unorphaned_alternative_title_items()
+        {
+            var movie = Builder<Movie>.CreateNew().BuildNew();
+
+            Db.Insert(movie);
+
+            var altTitle = Builder<AlternativeTitle>.CreateNew()
+                                              .With(h => h.MovieId = default)
+                                              .With(h => h.Language = Language.English)
+                                              .With(b => b.MovieId = movie.Id)
+                                              .BuildNew();
+
+            Db.Insert(altTitle);
+
+            Subject.Clean();
+            AllStoredModels.Should().HaveCount(1);
+        }
+    }
+}