/// Compares a set of rules against a source path...
        /// Used for both RulesPresent and RulesNotePresent options
        /// Focus is pass/fail not detailed comparison output -see Tagdiff for more
        public TagTestCommand(TagTestCommandOptions opt)
        {
            _arg_srcPath         = opt.SourcePath;
            _arg_customRulesPath = opt.CustomRulesPath;
            _arg_outputFile      = opt.OutputFilePath;
            _arg_logger          = opt.Log;

            if (!Enum.TryParse(opt.ConsoleVerbosityLevel, true, out _arg_consoleVerbosityLevel))
            {
                throw new OpException(String.Format(ErrMsg.FormatString(ErrMsg.ID.CMD_INVALID_ARG_VALUE, "-x")));
            }
            WriteOnce.Verbosity = _arg_consoleVerbosityLevel;

            if (string.IsNullOrEmpty(opt.TestType))
            {
                _arg_tagTestType = TagTestType.RulesPresent;
            }
            else if (!Enum.TryParse(opt.TestType, true, out _arg_tagTestType))
            {
                throw new OpException(ErrMsg.FormatString(ErrMsg.ID.CMD_INVALID_ARG_VALUE, opt.TestType));
            }

            _arg_ignoreDefaultRules = opt.IgnoreDefaultRules;
            _rulesSet = new RuleSet(null);//.Logger);

            if (string.IsNullOrEmpty(opt.CustomRulesPath) && _arg_ignoreDefaultRules)
            {
                throw new OpException(ErrMsg.GetString(ErrMsg.ID.CMD_NORULES_SPECIFIED));
            }

            ConfigureRules();
            ConfigureOutput();
        }