Files
tokenizers/bindings/python/tests/implementations/test_bert_wordpiece.py
2020-05-01 17:11:54 -04:00

22 lines
1.0 KiB
Python

from ..utils import data_dir, bert_files
from tokenizers import BertWordPieceTokenizer
class TestBertWordPieceBPE:
def test_basic_encode(self, bert_files):
tokenizer = BertWordPieceTokenizer(bert_files["vocab"])
# Encode with special tokens by default
output = tokenizer.encode(("My name is John", "pair"))
assert output.ids == [101, 2026, 2171, 2003, 2198, 102, 3940, 102]
assert output.tokens == ["[CLS]", "my", "name", "is", "john", "[SEP]", "pair", "[SEP]"]
assert output.offsets == [(0, 0), (0, 2), (3, 7), (8, 10), (11, 15), (0, 0), (0, 4), (0, 0)]
assert output.type_ids == [0, 0, 0, 0, 0, 0, 1, 1]
# Can encode without the special tokens
output = tokenizer.encode(("My name is John", "pair"), add_special_tokens=False)
assert output.ids == [2026, 2171, 2003, 2198, 3940]
assert output.tokens == ["my", "name", "is", "john", "pair"]
assert output.offsets == [(0, 2), (3, 7), (8, 10), (11, 15), (0, 4)]
assert output.type_ids == [0, 0, 0, 0, 1]