bpo-46413: properly test __{r}or__ code paths in _SpecialGenericAlias (pythonGH-30640)

sobolevn · miss-islington · commit 6b390b74ed7b · 2022-01-19T15:32:39.000Z
Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com> (cherry picked from commit 0a49148) Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
@@ -494,6 +494,10 @@ def test_ellipsis_in_generic(self):
         # Shouldn't crash; see https://github.com/python/typing/issues/259
         typing.List[Callable[..., str]]
 
+    def test_or_and_ror(self):
+        Callable = self.Callable
+        self.assertEqual(Callable | Tuple, Union[Callable, Tuple])
+        self.assertEqual(Tuple | Callable, Union[Tuple, Callable])
 
 class LiteralTests(BaseTestCase):
     def test_basics(self):
@@ -3629,6 +3633,10 @@ class B: ...
         A.register(B)
         self.assertIsSubclass(B, typing.Mapping)
 
+    def test_or_and_ror(self):
+        self.assertEqual(typing.Sized | typing.Awaitable, Union[typing.Sized, typing.Awaitable])
+        self.assertEqual(typing.Coroutine | typing.Hashable, Union[typing.Coroutine, typing.Hashable])
+
 
 class OtherABCTests(BaseTestCase):
 
