code: def test_process_warning(capsys):
      """Check that a string reduced to 0 by processor logs a warning to stderr"""
  
      query = ":::::::"
      choices = [":::::::"]
  
      _ = process.extractOne(query, choices)
  
      out, err = capsys.readouterr()
  
      outstr = (
          "WARNING:root:Applied processor reduces "
          "input query to empty string, "
          "all comparisons will have score 0. "
          "[Query: ':::::::']\n"
      )
  
      assert err == outstr
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_process_warning(capsys) without return types