public void AddConfig() { var newConfig = new WebCompiler.Config(); const string newInputFileName = "newInputFile"; newConfig.InputFile = newInputFileName; _handler.AddConfig(processingConfigFile, newConfig); var configs = ConfigHandler.GetConfigs(processingConfigFile); Assert.AreEqual(2, configs.Count()); Assert.AreEqual(newInputFileName, configs.ElementAt(1).InputFile); }