Files
huggingface--transformers/tests/utils/test_convert_slow_tokenizer.py
wehub-resource-sync e06fe8e8c6
Self-hosted runner (benchmark) / Benchmark (aws-g5-4xlarge-cache) (push) Waiting to run
New model PR merged notification / Notify new model (push) Waiting to run
Update Transformers metadata / build_and_package (push) Waiting to run
Secret Leaks / trufflehog (push) Failing after 1s
Build documentation / build (push) Failing after 1s
Build documentation / build_other_lang (push) Failing after 0s
CodeQL Security Analysis / CodeQL Analysis (push) Failing after 0s
PR CI / pr-ci (push) Failing after 1s
Slow tests on important models (on Push - A10) / Get all modified files (push) Failing after 1s
Slow tests on important models (on Push - A10) / Model CI (push) Has been skipped
chore: import upstream snapshot with attribution
2026-07-13 11:57:37 +08:00

40 lines
1.7 KiB
Python

import unittest
import warnings
from dataclasses import dataclass
from transformers.convert_slow_tokenizer import SpmConverter
from transformers.testing_utils import get_tests_dir
@dataclass
class FakeOriginalTokenizer:
vocab_file: str
class ConvertSlowTokenizerTest(unittest.TestCase):
def test_spm_converter_bytefallback_warning(self):
spm_model_file_without_bytefallback = get_tests_dir("fixtures/test_sentencepiece.model")
spm_model_file_with_bytefallback = get_tests_dir("fixtures/test_sentencepiece_with_bytefallback.model")
original_tokenizer_without_bytefallback = FakeOriginalTokenizer(vocab_file=spm_model_file_without_bytefallback)
with warnings.catch_warnings(record=True) as w:
_ = SpmConverter(original_tokenizer_without_bytefallback)
# We are looking for if there is any `UserWarning` with
# `The sentencepiece tokenizer that you are converting to a fast tokenizer uses the byte fallback option which is not implemented in the fast tokenizers.`
w = [x for x in w if x.category.__name__ != "DeprecationWarning"]
self.assertEqual(len(w), 0)
original_tokenizer_with_bytefallback = FakeOriginalTokenizer(vocab_file=spm_model_file_with_bytefallback)
with warnings.catch_warnings(record=True) as w:
_ = SpmConverter(original_tokenizer_with_bytefallback)
w = [x for x in w if x.category.__name__ != "DeprecationWarning"]
self.assertEqual(len(w), 1)
self.assertIn(
"The sentencepiece tokenizer that you are converting to a fast tokenizer uses the byte fallback option"
" which is not implemented in the fast tokenizers.",
str(w[0].message),
)