text: import unittest
  
  from quasimodo.assertion_normalization.filter_language_questions import \
      FilterLanguageQuestions
  from quasimodo.data_structures.generated_fact import GeneratedFact
  from quasimodo.data_structures.inputs import Inputs
  from quasimodo.data_structures.multiple_source_occurrence import \
      MultipleSourceOccurrence
  
  
  class TestFilterLanguages(unittest.TestCase):
  
      def setUp(self) -> None:
          self.cleaning_predicate = FilterLanguageQuestions(None)
          self.empty_input = Inputs()
  
      def test_french(self):
          generated_fact = GeneratedFact("potato", "be in", "french", "",
                                         False,
                                         0.0,
                                         MultipleSourceOccurrence())
          inputs = self.empty_input.add_generated_facts([generated_fact])
          inputs = self.cleaning_predicate.process(inputs)
          generated_facts = inputs.get_generated_facts()
          self.assertEqual(0, len(generated_facts))
  
      def test_no_change(self):
          generated_fact = GeneratedFact("potato", "be in", "burger", "",
                                         False,
                                         0.0,
                                         MultipleSourceOccurrence())
          inputs = self.empty_input.add_generated_facts([generated_fact])
          inputs = self.cleaning_predicate.process(inputs)
          generated_facts = inputs.get_generated_facts()
          self.assertEqual(1, len(generated_facts))
  
  
  if __name__ == '__main__':
      unittest.main()
  