Implemented parsing case for Artist - Year - Album (#264) (#274)

* Implemented parsing case for Artist - Year - Album

* Enhanced test case to ensure year and artist also parse correctly.
Closes #264

src/NzbDrone.Core.Test/ParserTests/ParserFixture.cs

@@ -7,6 +7,7 @@ using NzbDrone.Core.Music;
 using NzbDrone.Core.Parser;
 using NzbDrone.Core.Qualities;
 using NzbDrone.Core.Test.Framework;
+using NzbDrone.Core.Parser.Model;
 
 namespace NzbDrone.Core.Test.ParserTests
 {
@@ -66,6 +67,16 @@ namespace NzbDrone.Core.Test.ParserTests
             Parser.Parser.ParseAlbumTitle(title).Quality.QualitySource.Should().Be(QualitySource.Extension);
         }
 
+        [TestCase("of Montreal-Hissing Fauna, Are You The Destroyer? 2007", "Hissing Fauna, Are You The Destroyer", "of Montreal", "2007")]
+        [TestCase("of Montreal - 2007 - Hissing Fauna, Are You The Destroyer?", "Hissing Fauna, Are You The Destroyer", "of Montreal", "2007")]
+        public void should_parse_album(string title, string correctAlbum, string correctArtist, string correctYear)
+        {
+            ParsedAlbumInfo result = Parser.Parser.ParseAlbumTitle(title);
+            result.AlbumTitle.Should().Be(correctAlbum);
+            result.ArtistName.Should().Be(correctArtist);
+            result.ReleaseDate.Should().Be(correctYear);
+        }
+
         [TestCase("VA - The Best 101 Love Ballads (2017) MP3 [192 kbps]", "VA", "The Best 101 Love Ballads")]
         [TestCase("ATCQ - The Love Movement 1998 2CD 192kbps  RIP", "ATCQ", "The Love Movement")]
         //[TestCase("A Tribe Called Quest - The Love Movement 1998 2CD [192kbps] RIP", "A Tribe Called Quest", "The Love Movement")]

src/NzbDrone.Core/Parser/Parser.cs

@@ -115,10 +115,17 @@ namespace NzbDrone.Core.Parser
             new Regex(@"^(?:(?<artist>.+?)(?:-)+)(?<album>.+?)(?:-.+?)(?<releaseyear>\d{4})",
                 RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
+            //Artist - Year - Album
+            // Hypen with no or more spaces between artist/album/year (must be before Artist-Album Year as that catches this case)
+            new Regex(@"^(?:(?<artist>.+?)\s*(?:-)+)\s*(?<releaseyear>\d{4})\s*(?:-+)\s*(?<album>.+)",
+                RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
             //Artist-Album Year
             //Hyphen no space between artist and album
             new Regex(@"^(?:(?<artist>.+?)(?:-)+)(?<album>.+?)\W*(?<releaseyear>\d{4})",
                 RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
+            
         };
 
         private static readonly Regex[] RejectHashedReleasesRegex = new Regex[]