- Making some adjustments to the previous contributions.

- Unit tests for StringExtensions belongs to the Utility\ folder.
- Unit tests files are named after classes.
- Use localizedstrings via the T localizer injected as a controller property instead of plain strings.

src/Orchard.Web/Modules/Orchard.Media/Controllers/AdminController.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Text;
 using System.Web;
 using System.Web.Mvc;
 using Orchard.Extensions;
@@ -140,32 +139,28 @@ namespace Orchard.Media.Controllers {
         }
 
         [HttpPost]
-        public ActionResult Add()
-        {
+        public ActionResult Add() {
             var viewModel = new MediaItemAddViewModel();
-            try
-            {
+            try {
                 UpdateModel(viewModel);
                 if (!Services.Authorizer.Authorize(Permissions.UploadMediaFiles, T("Couldn't upload media file")))
                     return new HttpUnauthorizedResult();
 
                 if(Request.Files[0].FileName.IsNullOrEmptyTrimmed()) {
-                    ModelState.AddModelError("File", "Select a file to upload");
+                    ModelState.AddModelError("File", T("Select a file to upload").ToString());
                 }
 
                 if (!ModelState.IsValid)
                     return View(viewModel);
 
-                foreach (string fileName in Request.Files)
-                {
+                foreach (string fileName in Request.Files) {
                     HttpPostedFileBase file = Request.Files[fileName];
                     _mediaService.UploadMediaFile(viewModel.MediaPath, file);
                 }
 
                 return RedirectToAction("Edit", new { name = viewModel.FolderName, mediaPath = viewModel.MediaPath });
             }
-            catch (Exception exception)
-            {
+            catch (Exception exception) {
                 Services.Notifier.Error("Uploading media file failed: " + exception.Message);
                 return View(viewModel);
             }