code: def test_get_stop_words_cache(self):
      self.assertFalse("french" in stop_words.STOP_WORDS_CACHE)
      sw = get_stop_words("fr")
      self.assertTrue("french" in stop_words.STOP_WORDS_CACHE)
      original_stop_words_dir = stop_words.STOP_WORDS_DIR
      stop_words.STOP_WORDS_DIR = "not-existing-directory"
      self.assertEqual(sw, get_stop_words("french"))
      stop_words.STOP_WORDS_DIR = original_stop_words_dir
      try:
          get_stop_words("klingon")
      except:
          pass
      self.assertFalse("klingon" in stop_words.STOP_WORDS_CACHE)
  
file_path: python-stop-words/stop_words/tests.py
imports: import random
  from unittest import TestCase
  from unittest import TestSuite
  from unittest import TestLoader
  import stop_words
  from stop_words import get_stop_words
  from stop_words import safe_get_stop_words
  from stop_words import StopWordError
  from stop_words import LANGUAGE_MAPPING
  from stop_words import AVAILABLE_LANGUAGES
label_desc: Use image node_id 3 for calling the StopWordsTestCase obj's underlying member method code with example usage: obj.test_get_stop_words_cache() without return types