def test_prefix_lm_last_input_batch_exists_but_no_output(self):
prefix_lm_fn = data.PrefixLM(input_length=2, output_length=3)
examples = list(prefix_lm_fn([[1, 2, 3, 4, 5, 6, 7]]))
self.assertSequenceEqual(([1, 2], [3, 4, 5]), examples[0])
self.assertLen(examples, 1)
def test_prefix_lm_last_output_batch_is_short(self):
prefix_lm_fn = data.PrefixLM(input_length=2, output_length=3)
examples = list(prefix_lm_fn([[1, 2, 3, 4, 5, 6, 7, 8]]))
self.assertSequenceEqual(([1, 2], [3, 4, 5]), examples[0])
self.assertSequenceEqual(([6, 7], [8]), examples[1])
self.assertLen(examples, 2)