[Python-checkins] bpo-28556: Add a regression test to typing (GH-15396)
Miss Islington (bot)
webhook-mailer at python.org
Thu Aug 22 14:11:32 EDT 2019
https://github.com/python/cpython/commit/5fda09cc1ebcb364a660bc5a831ef8f6463d810b
commit: 5fda09cc1ebcb364a660bc5a831ef8f6463d810b
branch: 3.8
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2019-08-22T11:11:27-07:00
summary:
bpo-28556: Add a regression test to typing (GH-15396)
This adds a regression test for the issue found in the Python 2 backport, see https://github.com/python/typing/issues/656
https://bugs.python.org/issue28556
(cherry picked from commit 8889627b53e1eea2e32590f1867fbb0b0fc7407f)
Co-authored-by: Ivan Levkivskyi <levkivskyi at gmail.com>
files:
M Lib/test/test_typing.py
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index ba001c3462fc..ba0800fae90e 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -961,6 +961,23 @@ def __init__(self, x):
self.assertIsInstance(C(1), P)
self.assertIsInstance(C(1), PG)
+ def test_protocol_checks_after_subscript(self):
+ class P(Protocol[T]): pass
+ class C(P[T]): pass
+ class Other1: pass
+ class Other2: pass
+ CA = C[Any]
+
+ self.assertNotIsInstance(Other1(), C)
+ self.assertNotIsSubclass(Other2, C)
+
+ class D1(C[Any]): pass
+ class D2(C[Any]): pass
+ CI = C[int]
+
+ self.assertIsInstance(D1(), C)
+ self.assertIsSubclass(D2, C)
+
def test_protocols_support_register(self):
@runtime_checkable
class P(Protocol):
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