Fixed: PRevent import if potential bulk season release doesn't have air date for all episodes

Closes #5021

src/NzbDrone.Core.Test/MediaFiles/EpisodeImport/Specifications/EpisodeTitleSpecificationFixture.cs

@@ -136,7 +136,7 @@ namespace NzbDrone.Core.Test.MediaFiles.EpisodeImport.Specifications
         }
 
         [Test]
-        public void should_reject_if_episode_title_is_required_for_bulk_season_releases_and_it_is_mising()
+        public void should_reject_if_episode_title_is_required_for_bulk_season_releases_and_it_is_missing()
         {
             _localEpisode.Episodes.First().Title = "TBA";
 
@@ -154,5 +154,28 @@ namespace NzbDrone.Core.Test.MediaFiles.EpisodeImport.Specifications
 
             Subject.IsSatisfiedBy(_localEpisode, null).Accepted.Should().BeFalse();
         }
+
+        [Test]
+        public void should_reject_if_episode_title_is_required_for_bulk_season_releases_and_some_episodes_do_not_have_air_date()
+        {
+            _localEpisode.Episodes.First().Title = "TBA";
+
+            Mocker.GetMock<IConfigService>()
+                  .Setup(s => s.EpisodeTitleRequired)
+                  .Returns(EpisodeTitleRequiredType.BulkSeasonReleases);
+
+
+            Mocker.GetMock<IEpisodeService>()
+                  .Setup(s => s.GetEpisodesBySeason(It.IsAny<int>(), It.IsAny<int>()))
+                  .Returns(Builder<Episode>.CreateListOfSize(5)
+                                           .All()
+                                           .With(e => e.Title  = "TBA")
+                                           .With(e => e.AirDateUtc = null)
+                                           .TheFirst(1)
+                                           .With(e => e.AirDateUtc = _localEpisode.Episodes.First().AirDateUtc)
+                                           .BuildList());
+
+            Subject.IsSatisfiedBy(_localEpisode, null).Accepted.Should().BeFalse();
+        }
     }
 }

src/NzbDrone.Core/MediaFiles/EpisodeImport/Specifications/EpisodeTitleSpecification.cs

@@ -55,12 +55,12 @@ namespace NzbDrone.Core.MediaFiles.EpisodeImport.Specifications
             var firstEpisode = episodes.First();
             var episodesInSeason = _episodeService.GetEpisodesBySeason(firstEpisode.SeriesId, firstEpisode.EpisodeNumber);
             var allEpisodesOnTheSameDay = firstEpisode.AirDateUtc.HasValue && episodes.All(e =>
-                                              e.AirDateUtc.HasValue &&
+                                              !e.AirDateUtc.HasValue ||
                                               e.AirDateUtc.Value == firstEpisode.AirDateUtc.Value);
 
             if (episodeTitleRequired == EpisodeTitleRequiredType.BulkSeasonReleases &&
                 allEpisodesOnTheSameDay &&
-                episodesInSeason.Count(e => e.AirDateUtc.HasValue &&
+                episodesInSeason.Count(e => !e.AirDateUtc.HasValue ||
                                             e.AirDateUtc.Value == firstEpisode.AirDateUtc.Value
                                        ) < 4
             )