private (int exitCode, IList <string> lines) Format( bool skipWrite = false, bool check = false, params string[] directoryOrFilePaths ) { if (directoryOrFilePaths.Length == 0) { directoryOrFilePaths = new[] { GetRootPath() }; } else { directoryOrFilePaths = directoryOrFilePaths.Select( o => this.fileSystem.Path.Combine(GetRootPath(), o) ) .ToArray(); } var fakeConsole = new TestConsole(); var result = CommandLineFormatter.Format( new CommandLineOptions { DirectoryOrFilePaths = directoryOrFilePaths, SkipWrite = skipWrite, Check = check }, this.fileSystem, fakeConsole, CancellationToken.None ).Result; return(result, fakeConsole.Lines); }