def test_different_bleu(self):
ref = "this is a string"
self.assertDictClose(
metrics.bleu([ref, ref], ["", ""]),
{"bleu": 0})
def test_multiple_references_bleu(self):
ref = "this is a string"
self.assertDictClose(
metrics.bleu([["", ref], [ref, ""]], [ref, ref]),
{"bleu": 100})
def test_same_bleu(self):
ref = "this is a string"
self.assertDictClose(
metrics.bleu([ref, ref], [ref, ref]),
{"bleu": 100})
