moved cleanup of deleted files to their own service.

detaching of episodes when files are deleted is done through events now.

NzbDrone.Core.Test/MediaFileTests/GhostFileCleanupFixture.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using FizzWare.NBuilder;
+using Moq;
+using NUnit.Framework;
+using NzbDrone.Common;
+using NzbDrone.Core.MediaFiles;
+using NzbDrone.Core.Test.Framework;
+using NzbDrone.Core.Tv;
+using System.Linq;
+
+namespace NzbDrone.Core.Test.MediaFileTests
+{
+    public class GhostFileCleanupFixture : CoreTest<GhostFileCleanupService>
+    {
+
+        private void GiveEpisodeFiles(IEnumerable<EpisodeFile> episodeFiles)
+        {
+            Mocker.GetMock<IMediaFileService>()
+                .Setup(c => c.GetFilesBySeries(It.IsAny<int>()))
+                .Returns(episodeFiles.ToList());
+        }
+
+
+        private const string DeletedPath = "ANY FILE WITH THIS PATH IS CONSIDERED DELETED!";
+
+        [SetUp]
+        public void SetUp()
+        {
+            Mocker.GetMock<DiskProvider>()
+             .Setup(e => e.FileExists(It.Is<String>(c => c != DeletedPath)))
+             .Returns(true);
+        }
+
+        [Test]
+        public void should_skip_files_that_exist_in_disk()
+        {
+            var episodeFiles = Builder<EpisodeFile>.CreateListOfSize(10)
+                .Build();
+
+            GiveEpisodeFiles(episodeFiles);
+
+            Subject.RemoveNonExistingFiles(0);
+
+            Mocker.GetMock<IEpisodeService>().Verify(c => c.UpdateEpisode(It.IsAny<Episode>()), Times.Never());
+        }
+
+        [Test]
+        public void should_delete_none_existing_files()
+        {
+            var episodeFiles = Builder<EpisodeFile>.CreateListOfSize(10)
+                .Random(2)
+                .With(c => c.Path = DeletedPath)
+                .Build();
+
+            GiveEpisodeFiles(episodeFiles);
+
+            Subject.RemoveNonExistingFiles(0);
+
+            Mocker.GetMock<IMediaFileService>().Verify(c => c.Delete(It.Is<EpisodeFile>(e => e.Path == DeletedPath)), Times.Exactly(2));
+
+        }
+    }
+}