def test_unify_untranscribed_untranscribed_empty_string(self):
"""Test unify_untranscribed with an empty string."""
actual_output = CHATUtteranceCleaner.unify_untranscribed('')
desired_output = ''
self.assertEqual(actual_output, desired_output)
def test_unify_untranscribed_xyw(self):
"""Test unify_untranscribed with 'xxx', 'yyy' and 'www'."""
actual_output = CHATUtteranceCleaner.unify_untranscribed(
'www xxx truck yyy ?')
desired_output = '??? ??? truck ??? ?'
self.assertEqual(actual_output, desired_output)