vllm/tests/tokenizers_/test_registry.py
Cyrus Leung 653591d5e7
[Chore] Move tokenizer initialization methods (#29793)
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
2025-12-02 13:33:37 +08:00

59 lines
1.6 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
from pathlib import Path
from vllm.tokenizers import TokenizerLike, TokenizerRegistry, get_tokenizer
class TestTokenizer(TokenizerLike):
@classmethod
def from_pretrained(
cls,
path_or_repo_id: str | Path,
*args,
trust_remote_code: bool = False,
revision: str | None = None,
download_dir: str | None = None,
**kwargs,
) -> "TestTokenizer":
return TestTokenizer(path_or_repo_id) # type: ignore
def __init__(self, path_or_repo_id: str | Path) -> None:
super().__init__()
self.path_or_repo_id = path_or_repo_id
@property
def bos_token_id(self) -> int:
return 0
@property
def eos_token_id(self) -> int:
return 1
@property
def pad_token_id(self) -> int:
return 2
@property
def is_fast(self) -> bool:
return True
def test_customized_tokenizer():
TokenizerRegistry.register("test_tokenizer", __name__, TestTokenizer.__name__)
tokenizer = TokenizerRegistry.get_tokenizer("test_tokenizer", "abc")
assert isinstance(tokenizer, TestTokenizer)
assert tokenizer.path_or_repo_id == "abc"
assert tokenizer.bos_token_id == 0
assert tokenizer.eos_token_id == 1
assert tokenizer.pad_token_id == 2
tokenizer = get_tokenizer("abc", tokenizer_mode="test_tokenizer")
assert isinstance(tokenizer, TestTokenizer)
assert tokenizer.path_or_repo_id == "abc"
assert tokenizer.bos_token_id == 0
assert tokenizer.eos_token_id == 1
assert tokenizer.pad_token_id == 2