bpo-46603: improve coverage of `typing._strip_annotations` (GH-31063)

(cherry picked from commit 25c0b9d243b64ccd2eeab483089eaf7e4b4d5834)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index c4c06008d91fa01ce09484f159758a1378902ec3..8ced27824205dfd1fc08827ef1bbfea437819692 100644 (file)
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -3305,6 +3305,15 @@ class GetTypeHintTests(BaseTestCase):
             {"x": typing.Annotated[int | float, "const"]}
         )
 
+    def test_get_type_hints_annotated_in_union(self):  # bpo-46603
+        def with_union(x: int | list[Annotated[str, 'meta']]): ...
+
+        self.assertEqual(get_type_hints(with_union), {'x': int | list[str]})
+        self.assertEqual(
+            get_type_hints(with_union, include_extras=True),
+            {'x': int | list[Annotated[str, 'meta']]},
+        )
+
     def test_get_type_hints_annotated_refs(self):
 
         Const = Annotated[T, "Const"]