def test_ratings_sum(self): "sum ratings for some words" afinn = Afinn("AFINN-111.txt") sentence = "Rainy day but still in a good mood" util = Util() aggregate_sentiment = 0 for word in util.get_tokens(sentence): if afinn.has_rating(word): aggregate_sentiment += afinn.get_rating(word) self.assertTrue(aggregate_sentiment == 2)