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[3.11] gh-109706: Fix multiprocessing test_nested_startmethod() (GH-109707) #109763

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Merged
vstinner merged 1 commit into from
Sep 22, 2023
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[3.11] gh-109706: Fix multiprocessing test_nested_startmethod() (GH-109707) #109763

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gh-109706: Fix multiprocessing test_nested_startmethod() (GH-109707) 
Don't check order, queue items can be written in any order.
(cherry picked from commit b03a791)

Co-authored-by: Victor Stinner <vstinner@python.org>
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@vstinner @miss-islington
vstinner authored and miss-islington committed Sep 22, 2023
commit 9b81414f826a7d819e22fd409990d8a719c914de
4 changes: 3 additions & 1 deletion Lib/test/_test_multiprocessing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5396,7 +5396,9 @@ def test_nested_startmethod(self):
while not queue.empty():
results.append(queue.get())

self.assertEqual(results, [2, 1])
# gh-109706: queue.put(1) can write into the queue before queue.put(2),
# there is no synchronization in the test.
self.assertSetEqual(set(results), set([2, 1]))


@unittest.skipIf(sys.platform == "win32",
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