Fixed: All Imports show as Multi due to duplicated langs

src/NzbDrone.Core.Test/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguageFixture.cs

@@ -43,7 +43,7 @@ namespace NzbDrone.Core.Test.MediaFiles.MovieImport.Aggregation.Aggregators
         {
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.FileMovieInfo.Languages);
+            Subject.Aggregate(_localMovie, false).Languages.Should().Equal(_localMovie.FileMovieInfo.Languages);
         }
 
         [Test]
@@ -52,7 +52,9 @@ namespace NzbDrone.Core.Test.MediaFiles.MovieImport.Aggregation.Aggregators
             _localMovie.FolderMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.FolderMovieInfo.Languages);
+            var aggregation = Subject.Aggregate(_localMovie, false);
+
+            aggregation.Languages.Should().Equal(_localMovie.FolderMovieInfo.Languages);
         }
 
         [Test]
@@ -62,7 +64,7 @@ namespace NzbDrone.Core.Test.MediaFiles.MovieImport.Aggregation.Aggregators
             _localMovie.FolderMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.DownloadClientMovieInfo.Languages);
+            Subject.Aggregate(_localMovie, false).Languages.Should().Equal(_localMovie.DownloadClientMovieInfo.Languages);
         }
 
         [Test]
@@ -72,7 +74,7 @@ namespace NzbDrone.Core.Test.MediaFiles.MovieImport.Aggregation.Aggregators
             _localMovie.FolderMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.French });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.FileMovieInfo.Languages);
+            Subject.Aggregate(_localMovie, false).Languages.Should().Equal(_localMovie.FileMovieInfo.Languages);
         }
 
         [Test]
@@ -82,7 +84,7 @@ namespace NzbDrone.Core.Test.MediaFiles.MovieImport.Aggregation.Aggregators
             _localMovie.FolderMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English, Language.German });
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.FolderMovieInfo.Languages);
+            Subject.Aggregate(_localMovie, false).Languages.Should().Equal(_localMovie.FolderMovieInfo.Languages);
         }
     }
 }

src/NzbDrone.Core/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguage.cs

@@ -27,12 +27,12 @@ namespace NzbDrone.Core.MediaFiles.MovieImport.Aggregation.Aggregators
 
             if (!languages.Any(l => l != Language.English))
             {
-                languages.AddRange(localMovie.FolderMovieInfo?.Languages ?? new List<Language>());
+                languages = localMovie.FolderMovieInfo?.Languages ?? new List<Language>();
             }
 
             if (!languages.Any(l => l != Language.English))
             {
-                languages.AddRange(localMovie.FileMovieInfo?.Languages ?? new List<Language>());
+                languages = localMovie.FileMovieInfo?.Languages ?? new List<Language>();
             }
 
             if (!languages.Any())
@@ -42,7 +42,7 @@ namespace NzbDrone.Core.MediaFiles.MovieImport.Aggregation.Aggregators
 
             _logger.Debug("Using languages: {0}", languages.Select(l => l.Name).ToList().Join(","));
 
-            localMovie.Languages = languages;
+            localMovie.Languages = languages.Distinct().ToList();
 
             return localMovie;
         }