public void UploadImageToFolderTest(string titel, string fileName, string content) { var guid = (from p in _ctx.Posts join i in _ctx.PostInfos on p.PostId equals i.PostId where i.titel == titel select p.PostId).SingleOrDefault(); var file = new FileMock(content); file.Length = 10; file.FileName = fileName; List <IFormFile> files = new List <IFormFile>(); files.Add(file); var path = Directory.GetCurrentDirectory(); _ps.AttachMediaToPost(guid, files, path); Assert.True(File.Exists($"{path}/{titel}/{fileName}")); Directory.Delete($"{path}/{titel}", true); }