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"""
test_util_typing
~~~~~~~~~~~~~~~~
Tests util.typing functions.
:copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import sys
from numbers import Integral
from typing import (
Any, Dict, Generator, List, TypeVar, Union, Callable, Tuple, Optional, Generic
)
import pytest
from sphinx.util.typing import stringify
class MyClass1:
pass
class MyClass2(MyClass1):
__qualname__ = '<MyClass2>'
T = TypeVar('T')
class MyList(List[T]):
pass
class BrokenType:
__args__ = int
def test_stringify():
assert stringify(int) == "int"
assert stringify(str) == "str"
assert stringify(None) == "None"
assert stringify(Integral) == "numbers.Integral"
assert stringify(Any) == "Any"
def test_stringify_type_hints_containers():
assert stringify(List) == "List"
assert stringify(Dict) == "Dict"
assert stringify(List[int]) == "List[int]"
assert stringify(List[str]) == "List[str]"
assert stringify(Dict[str, float]) == "Dict[str, float]"
assert stringify(Tuple[str, str, str]) == "Tuple[str, str, str]"
assert stringify(Tuple[str, ...]) == "Tuple[str, ...]"
assert stringify(List[Dict[str, Tuple]]) == "List[Dict[str, Tuple]]"
assert stringify(MyList[Tuple[int, int]]) == "test_util_typing.MyList[Tuple[int, int]]"
assert stringify(Generator[None, None, None]) == "Generator[None, None, None]"
@pytest.mark.skipif(sys.version_info < (3, 9), reason='python 3.9+ is required.')
def test_stringify_Annotated():
from typing import Annotated
assert stringify(Annotated[str, "foo", "bar"]) == "str"
def test_stringify_type_hints_string():
assert stringify("int") == "int"
assert stringify("str") == "str"
assert stringify(List["int"]) == "List[int]"
assert stringify("Tuple[str]") == "Tuple[str]"
assert stringify("unknown") == "unknown"
def test_stringify_type_hints_Callable():
assert stringify(Callable) == "Callable"
if sys.version_info >= (3, 7):
assert stringify(Callable[[str], int]) == "Callable[[str], int]"
assert stringify(Callable[..., int]) == "Callable[[...], int]"
else:
assert stringify(Callable[[str], int]) == "Callable[str, int]"
assert stringify(Callable[..., int]) == "Callable[..., int]"
def test_stringify_type_hints_Union():
assert stringify(Optional[int]) == "Optional[int]"
assert stringify(Union[str, None]) == "Optional[str]"
assert stringify(Union[int, str]) == "Union[int, str]"
if sys.version_info >= (3, 7):
assert stringify(Union[int, Integral]) == "Union[int, numbers.Integral]"
assert (stringify(Union[MyClass1, MyClass2]) ==
"Union[test_util_typing.MyClass1, test_util_typing.<MyClass2>]")
else:
assert stringify(Union[int, Integral]) == "numbers.Integral"
assert stringify(Union[MyClass1, MyClass2]) == "test_util_typing.MyClass1"
def test_stringify_type_hints_typevars():
T = TypeVar('T')
T_co = TypeVar('T_co', covariant=True)
T_contra = TypeVar('T_contra', contravariant=True)
assert stringify(T) == "T"
assert stringify(T_co) == "T_co"
assert stringify(T_contra) == "T_contra"
assert stringify(List[T]) == "List[T]"
def test_stringify_type_hints_custom_class():
assert stringify(MyClass1) == "test_util_typing.MyClass1"
assert stringify(MyClass2) == "test_util_typing.<MyClass2>"
def test_stringify_type_hints_alias():
MyStr = str
MyTuple = Tuple[str, str]
assert stringify(MyStr) == "str"
assert stringify(MyTuple) == "Tuple[str, str]" # type: ignore
def test_stringify_broken_type_hints():
assert stringify(BrokenType) == 'test_util_typing.BrokenType'
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