class SeleniumStatistics::Logger

def level=(severity)
  if severity.is_a?(Integer)
    @logger.level = severity
  else
    case severity.to_s.downcase
    when 'debug'.freeze
      @logger.level = DEBUG
    when 'info'.freeze
      @logger.level = INFO
    when 'warn'.freeze
      @logger.level = WARN
    when 'error'.freeze
      @logger.level = ERROR
    when 'fatal'.freeze
      @logger.level = FATAL
    when 'unknown'.freeze
      @logger.level = UNKNOWN
    else
      raise ArgumentError, "invalid log level: #{severity}"
    end
  end
end