vllm/tests/tokenizers_/test_registry.py
Cyrus Leung 34a984274e
[Misc] Refactor tokenizer interface (#29693)
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
2025-11-29 04:02:21 -08:00

37 lines
1.0 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
from vllm.tokenizers import TokenizerLike, TokenizerRegistry
from vllm.transformers_utils.tokenizer import get_tokenizer
class TestTokenizer(TokenizerLike):
@classmethod
def from_pretrained(cls, *args, **kwargs) -> "TestTokenizer":
return TestTokenizer() # type: ignore
@property
def bos_token_id(self) -> int:
return 0
@property
def eos_token_id(self) -> int:
return 1
def test_customized_tokenizer():
TokenizerRegistry.register(
"test_tokenizer",
__name__,
TestTokenizer.__name__,
)
tokenizer = TokenizerRegistry.get_tokenizer("test_tokenizer")
assert isinstance(tokenizer, TestTokenizer)
assert tokenizer.bos_token_id == 0
assert tokenizer.eos_token_id == 1
tokenizer = get_tokenizer("test_tokenizer", tokenizer_mode="custom")
assert isinstance(tokenizer, TestTokenizer)
assert tokenizer.bos_token_id == 0
assert tokenizer.eos_token_id == 1