public void NLogAccessLayerTest() { string logFile = Path.GetTempFileName(); LoggingConfiguration cfg = new LoggingConfiguration(); FileTarget file = new FileTarget() { FileName = logFile, Layout = "${message}", AutoFlush = true }; cfg.AddTarget("FILE", file); cfg.LoggingRules.Add(new LoggingRule("*", LogLevel.Debug, file)); LogManager.Configuration = cfg; Logger logger = LogManager.GetLogger("TEST"); IMyLog log = NLogAccessLayer.Create <IMyLog>(logger); log.SomeError("Donald Duck", new Exception("Out of money.")); string txt = File.ReadAllText(logFile); Assert.IsFalse(string.IsNullOrEmpty(txt)); log.SomeOtherError("42"); Assert.AreEqual(2, File.ReadAllLines(logFile).Length); }