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gh-103746: Test `types.UnionType` and `Literal` types together (#103747)

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Nikita Sobolev 2023-04-24 19:55:16 +03:00 committed by GitHub
parent d2745fe850
commit 3d29edaf0a
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2 changed files with 34 additions and 0 deletions
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29
Lib/test/test_types.py
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@ -925,6 +925,35 @@ class UnionTests(unittest.TestCase):
assert typing.Optional[int] | str == typing.Union[int, str, None]
assert typing.Union[int, bool] | str == typing.Union[int, bool, str]
def test_or_type_operator_with_Literal(self):
Literal = typing.Literal
self.assertEqual((Literal[1] | Literal[2]).__args__,
(Literal[1], Literal[2]))
self.assertEqual((Literal[0] | Literal[False]).__args__,
(Literal[0], Literal[False]))
self.assertEqual((Literal[1] | Literal[True]).__args__,
(Literal[1], Literal[True]))
self.assertEqual(Literal[1] | Literal[1], Literal[1])
self.assertEqual(Literal['a'] | Literal['a'], Literal['a'])
import enum
class Ints(enum.IntEnum):
A = 0
B = 1
self.assertEqual(Literal[Ints.A] | Literal[Ints.A], Literal[Ints.A])
self.assertEqual(Literal[Ints.B] | Literal[Ints.B], Literal[Ints.B])
self.assertEqual((Literal[Ints.B] | Literal[Ints.A]).__args__,
(Literal[Ints.B], Literal[Ints.A]))
self.assertEqual((Literal[0] | Literal[Ints.A]).__args__,
(Literal[0], Literal[Ints.A]))
self.assertEqual((Literal[1] | Literal[Ints.B]).__args__,
(Literal[1], Literal[Ints.B]))
def test_or_type_repr(self):
assert repr(int | str) == "int | str"
assert repr((int | str) | list) == "int | str | list"

5
Lib/test/test_typing.py
View File

@ -1805,6 +1805,11 @@ class UnionTests(BaseTestCase):
A = 0
B = 1
self.assertEqual(Union[Literal[Ints.A], Literal[Ints.A]],
Literal[Ints.A])
self.assertEqual(Union[Literal[Ints.B], Literal[Ints.B]],
Literal[Ints.B])
self.assertEqual(Union[Literal[Ints.A], Literal[Ints.B]].__args__,
(Literal[Ints.A], Literal[Ints.B]))