From: Nikita Sobolev <mail@sobolevn.me>
Date: Wed, 26 Jan 2022 10:13:02 +0000 (+0300)
Subject: bpo-46529: increase coverage of `typing.Union.__repr__` method (GH-30911)
X-Git-Tag: v3.11.0a5~92
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d0c690b5f85c679de6059cf353fe0524e905530e;p=thirdparty%2FPython%2Fcpython.git

bpo-46529: increase coverage of `typing.Union.__repr__` method (GH-30911)
---

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index 5777656552d7..b5767d02691d 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -325,6 +325,15 @@ class UnionTests(BaseTestCase):
         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):