Create series folder when processing downloads

New: Create series folder if it doesn't exist when processing downloads

NzbDrone.Core.Test/ProviderTests/PostDownloadProviderTests/ProcessDownloadFixture.cs

@@ -420,7 +420,7 @@ namespace NzbDrone.Core.Test.ProviderTests.PostDownloadProviderTests
         }
 
         [Test]
-        public void should_return_if_series_path_does_not_exist()
+        public void should_create_series_directory_if_series_path_does_not_exist()
         {
             var downloadName = new DirectoryInfo(@"C:\Test\Drop\30.Rock.S01E01.Pilot");
 
@@ -432,7 +432,7 @@ namespace NzbDrone.Core.Test.ProviderTests.PostDownloadProviderTests
 
             Mocker.Resolve<PostDownloadProvider>().ProcessDownload(downloadName);
 
-            Mocker.GetMock<DiskProvider>().Verify(c => c.GetDirectorySize(It.IsAny<String>()), Times.Never());
+            Mocker.GetMock<DiskProvider>().Verify(c => c.CreateDirectory(fakeSeries.Path), Times.Once());
             ExceptionVerification.ExpectedWarns(1);
         }
 

NzbDrone.Core/Providers/PostDownloadProvider.cs

@@ -87,7 +87,8 @@ namespace NzbDrone.Core.Providers
 
             if (!_diskProvider.FolderExists(series.Path))
             {
-                Logger.Warn("Series Folder doesn't exist: {0}", series.Path);
+                Logger.Warn("Series Folder doesn't exist: {0}, creating it.", series.Path);
+                _diskProvider.CreateDirectory(series.Path);
                 return;
             }