vllm/tests/utils_/test_func_utils.py
Cyrus Leung d31f7844f8
[Misc] Move utils to avoid conflicts with stdlib, and move tests (#27169)
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
2025-10-19 05:20:55 -07:00

98 lines
3.0 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
# ruff: noqa
import pytest
from vllm.utils.func_utils import deprecate_kwargs, supports_kw
from ..utils import error_on_warning
def test_deprecate_kwargs_always():
@deprecate_kwargs("old_arg", is_deprecated=True)
def dummy(*, old_arg: object = None, new_arg: object = None):
pass
with pytest.warns(DeprecationWarning, match="'old_arg'"):
dummy(old_arg=1)
with error_on_warning(DeprecationWarning):
dummy(new_arg=1)
def test_deprecate_kwargs_never():
@deprecate_kwargs("old_arg", is_deprecated=False)
def dummy(*, old_arg: object = None, new_arg: object = None):
pass
with error_on_warning(DeprecationWarning):
dummy(old_arg=1)
with error_on_warning(DeprecationWarning):
dummy(new_arg=1)
def test_deprecate_kwargs_dynamic():
is_deprecated = True
@deprecate_kwargs("old_arg", is_deprecated=lambda: is_deprecated)
def dummy(*, old_arg: object = None, new_arg: object = None):
pass
with pytest.warns(DeprecationWarning, match="'old_arg'"):
dummy(old_arg=1)
with error_on_warning(DeprecationWarning):
dummy(new_arg=1)
is_deprecated = False
with error_on_warning(DeprecationWarning):
dummy(old_arg=1)
with error_on_warning(DeprecationWarning):
dummy(new_arg=1)
def test_deprecate_kwargs_additional_message():
@deprecate_kwargs("old_arg", is_deprecated=True, additional_message="abcd")
def dummy(*, old_arg: object = None, new_arg: object = None):
pass
with pytest.warns(DeprecationWarning, match="abcd"):
dummy(old_arg=1)
@pytest.mark.parametrize(
("callable", "kw_name", "requires_kw_only", "allow_var_kwargs", "is_supported"),
[
# Tests for positional argument support
(lambda foo: None, "foo", True, True, False),
(lambda foo: None, "foo", False, True, True),
# Tests for positional or keyword / keyword only
(lambda foo=100: None, "foo", True, True, False),
(lambda *, foo: None, "foo", False, True, True),
# Tests to make sure the names of variadic params are NOT supported
(lambda *args: None, "args", False, True, False),
(lambda **kwargs: None, "kwargs", False, True, False),
# Tests for if we allow var kwargs to add support
(lambda foo: None, "something_else", False, True, False),
(lambda foo, **kwargs: None, "something_else", False, True, True),
(lambda foo, **kwargs: None, "kwargs", True, True, False),
(lambda foo, **kwargs: None, "foo", True, True, False),
],
)
def test_supports_kw(
callable, kw_name, requires_kw_only, allow_var_kwargs, is_supported
):
assert (
supports_kw(
callable=callable,
kw_name=kw_name,
requires_kw_only=requires_kw_only,
allow_var_kwargs=allow_var_kwargs,
)
== is_supported
)