new_contents: from pubres.cli_arguments import make_parser
  
  
  p = make_parser()
  
  
  def test_command_line():
      r = p.parse_args(['--host', 'localhost', '--port', '5678', '--loglevel', 'ERROR'])
      assert r.host == 'localhost'
      assert r.port == 5678
      assert r.loglevel == 'ERROR'
  
  
  def test_default_command_line():
      r = p.parse_args([])
      assert r.host == '127.0.0.1'
      assert r.port == 5555
      assert r.loglevel == 'INFO'
  
subject: Add CLI parsing tests