class Inspec::Resources::LinuxUser

def credentials(username)
  cmd = inspec.command("chage -l #{username}")
  return nil if cmd.exit_status != 0
  params = SimpleConfig.new(
    cmd.stdout.chomp,
    assignment_re: /^\s*([^:]*?)\s*:\s*(.*?)\s*$/,
    group_re: nil,
    multiple_values: false,
  ).params
  {
    mindays: convert_to_i(params['Minimum number of days between password change']),
    maxdays: convert_to_i(params['Maximum number of days between password change']),
    warndays: convert_to_i(params['Number of days of warning before password expires']),
  }
end