Fixed: Transmission proxy should no longer produce paths with double slashes.

src/NzbDrone.Core.Test/Download/DownloadClientTests/TransmissionTests/TransmissionFixture.cs

@@ -19,6 +19,7 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.TransmissionTests
         protected TransmissionTorrent _downloading;
         protected TransmissionTorrent _failed;
         protected TransmissionTorrent _completed;
+        protected Dictionary<string, object> _transmissionConfigItems;
 
         [SetUp]
         public void Setup()
@@ -87,15 +88,15 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.TransmissionTests
                   .Setup(s => s.Get(It.IsAny<HttpRequest>()))
                   .Returns<HttpRequest>(r => new HttpResponse(r, new HttpHeader(), new Byte[0]));
 
-            var configItems = new Dictionary<String, Object>();
+            _transmissionConfigItems = new Dictionary<String, Object>();
 
-            configItems.Add("download-dir", @"C:/Downloads/Finished/transmission");
-            configItems.Add("incomplete-dir", null);
-            configItems.Add("incomplete-dir-enabled", false);
+            _transmissionConfigItems.Add("download-dir", @"C:/Downloads/Finished/transmission");
+            _transmissionConfigItems.Add("incomplete-dir", null);
+            _transmissionConfigItems.Add("incomplete-dir-enabled", false);
 
             Mocker.GetMock<ITransmissionProxy>()
                 .Setup(v => v.GetConfig(It.IsAny<TransmissionSettings>()))
-                .Returns(configItems);
+                .Returns(_transmissionConfigItems);
 
         }
 
@@ -230,6 +231,24 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.TransmissionTests
                 .Verify(v => v.AddTorrentFromData(It.IsAny<Byte[]>(), @"C:/Downloads/Finished/transmission/.nzbdrone", It.IsAny<TransmissionSettings>()), Times.Once());
         }
 
+        [Test]
+        public void Download_with_category_should_not_have_double_slashes()
+        {
+            GivenTvCategory();
+            GivenSuccessfulDownload();
+
+            _transmissionConfigItems["download-dir"] += "/";
+
+            var remoteEpisode = CreateRemoteEpisode();
+
+            var id = Subject.Download(remoteEpisode);
+
+            id.Should().NotBeNullOrEmpty();
+
+            Mocker.GetMock<ITransmissionProxy>()
+                .Verify(v => v.AddTorrentFromData(It.IsAny<Byte[]>(), @"C:/Downloads/Finished/transmission/.nzbdrone", It.IsAny<TransmissionSettings>()), Times.Once());
+        }
+
         [TestCase("magnet:?xt=urn:btih:ZPBPA2P6ROZPKRHK44D5OW6NHXU5Z6KR&tr=udp", "CBC2F069FE8BB2F544EAE707D75BCD3DE9DCF951")]
         public void Download_should_get_hash_from_magnet_url(String magnetUrl, String expectedHash)
         {

src/NzbDrone.Core/Download/Clients/Transmission/Transmission.cs

@@ -71,7 +71,7 @@ namespace NzbDrone.Core.Download.Clients.Transmission
             var config = _proxy.GetConfig(Settings);
             var destDir = (String)config.GetValueOrDefault("download-dir");
 
-            return String.Format("{0}/.{1}", destDir, Settings.TvCategory);
+            return string.Format("{0}/.{1}", destDir.TrimEnd('/'), Settings.TvCategory);
         }
 
         public override IEnumerable<DownloadClientItem> GetItems()