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)
