From 29eefcc9c688bc4097f2660de1fa846c5ea54735 Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Wed, 26 Jan 2022 02:40:40 -0800 Subject: [PATCH] bpo-46529: increase coverage of `typing.Union.__repr__` method (GH-30911) (cherry picked from commit d0c690b5f85c679de6059cf353fe0524e905530e) Co-authored-by: Nikita Sobolev --- 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 f87832a631d4..f70311c95b24 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -304,6 +304,15 @@ class UnionTests(BaseTestCase): u = Union[list[int], dict[str, float]] self.assertEqual(repr(u), 'typing.Union[list[int], dict[str, 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): -- 2.47.3