code: def test_show_config_with_handles(self):
      with mock.patch("sys.stdout.write") as write_func:
          cupy.show_config(_full=True)
      write_func.assert_called_once_with(
          str(cupyx.get_runtime_info(full=True))
      )
  
imports: import operator
  import os
  import shutil
  import subprocess
  import sys
  import tempfile
  import unittest
  from unittest import mock
  import numpy
  import pytest
  import cupy
  import cupyx
label_desc: Use image node_id 2 for calling the TestShowConfig obj's underlying member method code with example usage: obj.test_show_config_with_handles() without return types