From 86297ad4b9a26c0c5d1eeba3047fe532fc5171c1 Mon Sep 17 00:00:00 2001 From: sobolevn Date: Wed, 26 Jan 2022 11:39:44 +0300 Subject: [PATCH] bpo-46529: increase coverage of `typing.Union.__repr__` method --- Lib/test/test_typing.py | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index 5777656552d797..b5767d02691d8d 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -325,6 +325,15 @@ def test_repr(self): u = Union[int | float] self.assertEqual(repr(u), 'typing.Union[int, float]') + u = Union[None, str] + self.assertEqual(repr(u), 'typing.Optional[str]') + u = Union[str, None] + self.assertEqual(repr(u), 'typing.Optional[str]') + u = Union[None, str, int] + self.assertEqual(repr(u), 'typing.Union[NoneType, str, int]') + u = Optional[str] + self.assertEqual(repr(u), 'typing.Optional[str]') + def test_cannot_subclass(self): with self.assertRaises(TypeError): class C(Union):