https://github.com/python/cpython/commit/a98a6bd1128663fbe58c0c73d468710245a57ad6
commit: a98a6bd1128663fbe58c0c73d468710245a57ad6
branch: main
author: Duprat <[email protected]>
committer: colesbury <[email protected]>
date: 2025-03-01T15:28:14-05:00
summary:
gh-129401: Test repr rlock failing randomly (#129959)
Fix and simplify a test of `test_repr_rlock` about multiprocessing.RLock
primitive.
files:
A Misc/NEWS.d/next/Tests/2025-02-10-14-34-29.gh-issue-129401.Cq6Ruy.rst
M Lib/test/_test_multiprocessing.py
diff --git a/Lib/test/_test_multiprocessing.py
b/Lib/test/_test_multiprocessing.py
index 5dd89bd5af7daa..cafbc757904f64 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -1521,14 +1521,11 @@ def test_repr_rlock(self):
for i in range(n):
self.assertIn(f'<RLock(MainProcess|T{i+1}, {i+1})>', l)
-
- t = threading.Thread(target=self._acquire_release,
- args=(lock, 0.2),
- name=f'T1')
+ rlock = self.RLock()
+ t = threading.Thread(target=rlock.acquire)
t.start()
- time.sleep(0.1)
- self.assertEqual('<RLock(SomeOtherThread, nonzero)>', repr(lock))
- time.sleep(0.2)
+ t.join()
+ self.assertEqual('<RLock(SomeOtherThread, nonzero)>', repr(rlock))
pname = 'P1'
l = multiprocessing.Manager().list()
@@ -1539,14 +1536,11 @@ def test_repr_rlock(self):
p.join()
self.assertEqual(f'<RLock({pname}, 1)>', l[0])
- event = self.Event()
- lock = self.RLock()
- p = self.Process(target=self._acquire_event,
- args=(lock, event))
+ rlock = self.RLock()
+ p = self.Process(target=self._acquire, args=(rlock,))
p.start()
- event.wait()
- self.assertEqual('<RLock(SomeOtherProcess, nonzero)>', repr(lock))
p.join()
+ self.assertEqual('<RLock(SomeOtherProcess, nonzero)>', repr(rlock))
def test_rlock(self):
lock = self.RLock()
diff --git
a/Misc/NEWS.d/next/Tests/2025-02-10-14-34-29.gh-issue-129401.Cq6Ruy.rst
b/Misc/NEWS.d/next/Tests/2025-02-10-14-34-29.gh-issue-129401.Cq6Ruy.rst
new file mode 100644
index 00000000000000..7b87d5455c1a70
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2025-02-10-14-34-29.gh-issue-129401.Cq6Ruy.rst
@@ -0,0 +1 @@
+Fix a flaky test in ``test_repr_rlock`` that checks the representation of
:class:`multiprocessing.RLock`.
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