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from __future__ import annotations
from typing import Generic, TypeVar, cast
from openai._utils import extract_type_var_from_base
_T = TypeVar("_T")
_T2 = TypeVar("_T2")
_T3 = TypeVar("_T3")
class BaseGeneric(Generic[_T]): ...
class SubclassGeneric(BaseGeneric[_T]): ...
class BaseGenericMultipleTypeArgs(Generic[_T, _T2, _T3]): ...
class SubclassGenericMultipleTypeArgs(BaseGenericMultipleTypeArgs[_T, _T2, _T3]): ...
class SubclassDifferentOrderGenericMultipleTypeArgs(BaseGenericMultipleTypeArgs[_T2, _T, _T3]): ...
def test_extract_type_var() -> None:
assert (
extract_type_var_from_base(
BaseGeneric[int],
index=0,
generic_bases=cast("tuple[type, ...]", (BaseGeneric,)),
)
== int
)
def test_extract_type_var_generic_subclass() -> None:
assert (
extract_type_var_from_base(
SubclassGeneric[int],
index=0,
generic_bases=cast("tuple[type, ...]", (BaseGeneric,)),
)
== int
)
def test_extract_type_var_multiple() -> None:
typ = BaseGenericMultipleTypeArgs[int, str, None]
generic_bases = cast("tuple[type, ...]", (BaseGenericMultipleTypeArgs,))
assert extract_type_var_from_base(typ, index=0, generic_bases=generic_bases) == int
assert extract_type_var_from_base(typ, index=1, generic_bases=generic_bases) == str
assert extract_type_var_from_base(typ, index=2, generic_bases=generic_bases) == type(None)
def test_extract_type_var_generic_subclass_multiple() -> None:
typ = SubclassGenericMultipleTypeArgs[int, str, None]
generic_bases = cast("tuple[type, ...]", (BaseGenericMultipleTypeArgs,))
assert extract_type_var_from_base(typ, index=0, generic_bases=generic_bases) == int
assert extract_type_var_from_base(typ, index=1, generic_bases=generic_bases) == str
assert extract_type_var_from_base(typ, index=2, generic_bases=generic_bases) == type(None)
def test_extract_type_var_generic_subclass_different_ordering_multiple() -> None:
typ = SubclassDifferentOrderGenericMultipleTypeArgs[int, str, None]
generic_bases = cast("tuple[type, ...]", (BaseGenericMultipleTypeArgs,))
assert extract_type_var_from_base(typ, index=0, generic_bases=generic_bases) == int
assert extract_type_var_from_base(typ, index=1, generic_bases=generic_bases) == str
assert extract_type_var_from_base(typ, index=2, generic_bases=generic_bases) == type(None)
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