Fixed: Improve TrackMatching when title is slightly longer/shorter than DB (#491)

* improve TrackMatching

* Add unit test for TrackMatching

* rename NormalizeEpisodeTitle to NormalizeTrackTitle

* correct typo

src/NzbDrone.Core.Test/MusicTests/TitleMatchingTests/TitleMatchingFixture.cs

@@ -0,0 +1,69 @@
+using System.Linq;
+using FluentAssertions;
+using NLog;
+using NUnit.Framework;
+using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Music;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.MusicTests.TitleMatchingTests
+{
+    [TestFixture]
+    public class TitleMatchingFixture : DbTest<TrackService, Track>
+    {
+        private TrackRepository _trackRepository;
+        private TrackService _trackService;
+
+        [SetUp]
+        public void Setup()
+        {
+            _trackRepository = Mocker.Resolve<TrackRepository>();
+            _trackService =
+                new TrackService(_trackRepository, Mocker.Resolve<ConfigService>(), Mocker.Resolve<Logger>());
+
+            _trackRepository.Insert(new Track
+            {
+                Title = "This is the short test title",
+                ForeignTrackId = "this is a fake id2",
+                AlbumId = 4321,
+                AbsoluteTrackNumber = 1,
+                MediumNumber = 1,
+                TrackFileId = 1
+            });
+
+            _trackRepository.Insert(new Track
+            {
+                Title = "This is the long test title",
+                ForeignTrackId = "this is a fake id",
+                AlbumId = 4321,
+                AbsoluteTrackNumber = 2,
+                MediumNumber = 1,
+                TrackFileId = 2
+            });
+        }
+
+        [Test]
+        public void should_find_track_in_db_by_tracktitle_longer_then_relaeasetitle()
+        {
+            var track = _trackService.FindTrackByTitle(1234, 4321, 1, 1, "This is the short test title with some bla");
+
+            track.Title.Should().Be(_trackRepository.GetTracksByFileId(1).First().Title);
+        }
+
+        [Test]
+        public void should_find_track_in_db_by_tracktitle_shorter_then_relaeasetitle()
+        {
+            var track = _trackService.FindTrackByTitle(1234, 4321, 1, 2, "test title");
+
+            track.Title.Should().Be(_trackRepository.GetTracksByFileId(2).First().Title);
+        }
+
+        [Test]
+        public void should_not_find_track_in_db_by_wrong_title()
+        {
+            var track = _trackService.FindTrackByTitle(1234, 4321, 1, 1, "the short title");
+
+            track.Should().BeNull();
+        }
+    }
+}

src/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj

@@ -306,6 +306,7 @@
     <Compile Include="MusicTests\ArtistServiceTests\UpdateMultipleArtistFixture.cs" />
     <Compile Include="MusicTests\RefreshAlbumServiceFixture.cs" />
     <Compile Include="MusicTests\ShouldRefreshAlbumFixture.cs" />
+    <Compile Include="MusicTests\TitleMatchingTests\TitleMatchingFixture.cs" />
     <Compile Include="NotificationTests\NotificationBaseFixture.cs" />
     <Compile Include="NotificationTests\SynologyIndexerFixture.cs" />
     <Compile Include="OrganizerTests\FileNameBuilderTests\CleanTitleFixture.cs" />