def test_2(self):
items = {}
text_preprocessing_result = PicklableMock()
text_preprocessing_result.ccy_token_values = []
filler = FirstCurrencyFiller(items)
result = filler.extract(text_preprocessing_result, None)
self.assertIsNone(result)
def test_1(self):
expected = "ru"
items = {}
text_preprocessing_result = PicklableMock()
text_preprocessing_result.ccy_token_values = [expected]
filler = FirstCurrencyFiller(items)
result = filler.extract(text_preprocessing_result, None)
self.assertEqual(expected, result)
