Fixed: TitleThe Naming Token Handling (and tests)

src/NzbDrone.Core.Test/OrganizerTests/FileNameBuilderTests/TitleTheFixture.cs

@@ -0,0 +1,79 @@
+using System.Collections.Generic;
+using System.Linq;
+using FizzWare.NBuilder;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.CustomFormats;
+using NzbDrone.Core.MediaFiles;
+using NzbDrone.Core.Movies;
+using NzbDrone.Core.Organizer;
+using NzbDrone.Core.Qualities;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.OrganizerTests.FileNameBuilderTests
+{
+    [TestFixture]
+    public class TitleTheFixture : CoreTest<FileNameBuilder>
+    {
+        private Movie _movie;
+        private MovieFile _movieFile;
+        private NamingConfig _namingConfig;
+
+        [SetUp]
+        public void Setup()
+        {
+            _movie = Builder<Movie>
+                    .CreateNew()
+                    .With(e => e.Title = "Batman")
+                    .Build();
+
+            _movieFile = new MovieFile { Quality = new QualityModel(Quality.HDTV720p), ReleaseGroup = "RadarrTest" };
+
+            _namingConfig = NamingConfig.Default;
+            _namingConfig.RenameEpisodes = true;
+
+            Mocker.GetMock<INamingConfigService>()
+                  .Setup(c => c.GetConfig()).Returns(_namingConfig);
+
+            Mocker.GetMock<IQualityDefinitionService>()
+                .Setup(v => v.Get(Moq.It.IsAny<Quality>()))
+                .Returns<Quality>(v => Quality.DefaultQualityDefinitions.First(c => c.Quality == v));
+
+            Mocker.GetMock<ICustomFormatService>()
+                .Setup(v => v.All())
+                .Returns(new List<CustomFormat>());
+        }
+
+        [TestCase("The Mist", "Mist, The")]
+        [TestCase("A Place to Call Home", "Place to Call Home, A")]
+        [TestCase("An Adventure in Space and Time", "Adventure in Space and Time, An")]
+        [TestCase("The Flash (2010)", "Flash, The (2010)")]
+        [TestCase("A League Of Their Own (AU)", "League Of Their Own, A (AU)")]
+        [TestCase("The Fixer (ZH) (2015)", "Fixer, The (ZH) (2015)")]
+        [TestCase("The Sixth Sense 2 (Thai)", "Sixth Sense 2, The (Thai)")]
+        [TestCase("The Amazing Race (Latin America)", "Amazing Race, The (Latin America)")]
+        [TestCase("The Rat Pack (A&E)", "Rat Pack, The (A&E)")]
+        [TestCase("The Climax: I (Almost) Got Away With It (2016)", "Climax I (Almost) Got Away With It, The (2016)")]
+        public void should_get_expected_title_back(string title, string expected)
+        {
+            _movie.Title = title;
+            _namingConfig.StandardMovieFormat = "{Movie TitleThe}";
+
+            Subject.BuildFileName(_movie, _movieFile)
+                   .Should().Be(expected);
+        }
+
+        [TestCase("A")]
+        [TestCase("Anne")]
+        [TestCase("Theodore")]
+        [TestCase("3%")]
+        public void should_not_change_title(string title)
+        {
+            _movie.Title = title;
+            _namingConfig.StandardMovieFormat = "{Movie TitleThe}";
+
+            Subject.BuildFileName(_movie, _movieFile)
+                   .Should().Be(title);
+        }
+    }
+}

src/NzbDrone.Core/Organizer/FileNameBuilder.cs

@@ -64,6 +64,8 @@ namespace NzbDrone.Core.Organizer
 
         private static readonly char[] EpisodeTitleTrimCharacters = new[] { ' ', '.', '?' };
 
+        private static readonly Regex TitlePrefixRegex = new Regex(@"^(The|An|A) (.*?)((?: *\([^)]+\))*)$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+
         public FileNameBuilder(INamingConfigService namingConfigService,
                                IQualityDefinitionService qualityDefinitionService,
                                IUpdateMediaInfo mediaInfoUpdater,
@@ -167,24 +169,7 @@ namespace NzbDrone.Core.Organizer
 
         public static string TitleThe(string title)
         {
-            string[] prefixes = { "The ", "An ", "A " };
-
-            if (title.Length < 5)
-            {
-                return title;
-            }
-
-            foreach (string prefix in prefixes)
-            {
-                int prefix_length = prefix.Length;
-                if (prefix.ToLower() == title.Substring(0, prefix_length).ToLower())
-                {
-                    title = title.Substring(prefix_length) + ", " + prefix.Trim();
-                    break;
-                }
-            }
-
-            return title.Trim();
+            return TitlePrefixRegex.Replace(title, "$2, $1$3");
         }
 
         public static string CleanFileName(string name, bool replace = true, ColonReplacementFormat colonReplacement = ColonReplacementFormat.Delete)