https://github.com/python/cpython/commit/a1ef41ab4198db28f63fda646200b14badb96513
commit: a1ef41ab4198db28f63fda646200b14badb96513
branch: main
author: Jakob Rossi <[email protected]>
committer: kumaraditya303 <[email protected]>
date: 2026-07-11T12:47:42+05:30
summary:
gh-151540: Use a selector event loop in the happy-eyeballs tests (#153375)
files:
M Lib/test/test_asyncio/test_base_events.py
diff --git a/Lib/test/test_asyncio/test_base_events.py
b/Lib/test/test_asyncio/test_base_events.py
index b4fd7abed5963ea..1622f19f0213f3c 100644
--- a/Lib/test/test_asyncio/test_base_events.py
+++ b/Lib/test/test_asyncio/test_base_events.py
@@ -1092,7 +1092,11 @@ async def sock_connect(sock, address):
await asyncio.sleep(1)
sock.connect(address)
- loop = asyncio.new_event_loop()
+ # gh-151540: use a selector event loop instead of the platform
+ # default; the Windows proactor loop would register the mocked
+ # socket with a real IOCP handle instead of the mocked
+ # _add_reader/_add_writer below.
+ loop = asyncio.SelectorEventLoop()
loop._add_writer = mock.Mock()
loop._add_writer = mock.Mock()
loop._add_reader = mock.Mock()
@@ -1124,7 +1128,8 @@ async def sock_connect(sock, address):
await asyncio.sleep(1)
sock.connect(address)
- loop = asyncio.new_event_loop()
+ # gh-151540: see test_create_connection_happy_eyeballs above.
+ loop = asyncio.SelectorEventLoop()
loop._add_writer = mock.Mock()
loop._add_writer = mock.Mock()
loop._add_reader = mock.Mock()
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