Fixed: Don't use invalid scene mappings. Fixes #1627

src/NzbDrone.Core.Test/DataAugmentation/SceneNumbering/XemServiceFixture.cs

@@ -5,6 +5,7 @@ using FizzWare.NBuilder;
 using FluentAssertions;
 using Moq;
 using NUnit.Framework;
+using NzbDrone.Common.Extensions;
 using NzbDrone.Core.DataAugmentation.Xem;
 using NzbDrone.Core.DataAugmentation.Xem.Model;
 using NzbDrone.Core.Test.Framework;
@@ -98,7 +99,6 @@ namespace NzbDrone.Core.Test.DataAugmentation.SceneNumbering
             });
         }
 
-
         [Test]
         public void should_not_fetch_scenenumbering_if_not_listed()
         {
@@ -308,5 +308,19 @@ namespace NzbDrone.Core.Test.DataAugmentation.SceneNumbering
             episode.SceneSeasonNumber.Should().NotHaveValue();
             episode.SceneEpisodeNumber.Should().NotHaveValue();
         }
+
+        [Test]
+        public void should_skip_mapping_when_scene_information_is_all_zero()
+        {
+            GivenTvdbMappings();
+
+            AddTvdbMapping(0, 0, 0, 8, 3, 1); // 3x01 -> 3x01
+            AddTvdbMapping(0, 0, 0, 9, 3, 2); // 3x02 -> 3x02
+
+            Subject.Handle(new SeriesUpdatedEvent(_series));
+
+            Mocker.GetMock<IEpisodeService>()
+                  .Verify(v => v.UpdateEpisodes(It.Is<List<Episode>>(e => e.Any(c => c.SceneAbsoluteEpisodeNumber == 0 && c.SceneSeasonNumber == 0 && c.SceneEpisodeNumber == 0))), Times.Never());
+        }
     }
 }

src/NzbDrone.Core/DataAugmentation/Xem/XemService.cs

@@ -61,7 +61,15 @@ namespace NzbDrone.Core.DataAugmentation.Xem
 
                     if (episode == null)
                     {
-                        _logger.Debug("Information hasn't been added to TheTVDB yet, skipping.");
+                        _logger.Debug("Information hasn't been added to TheTVDB yet, skipping");
+                        continue;
+                    }
+
+                    if (mapping.Scene.Absolute == 0 &&
+                        mapping.Scene.Season == 0 &&
+                        mapping.Scene.Episode == 0)
+                    {
+                        _logger.Debug("Mapping for {0} S{1:00}E{2:00} is invalid, skipping", series, mapping.Tvdb.Season, mapping.Tvdb.Episode);
                         continue;
                     }