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bpo-38018: Fix test for multiprocessing.shared_memory in BSD systems (GH-15821)

This commit is contained in:
Vinay Sharma 2019-09-10 12:18:24 +05:30 committed by Pablo Galindo
parent c59295a1ca
commit 2fc1160a80
1 changed files with 7 additions and 2 deletions
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9
Lib/test/_test_multiprocessing.py
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@ -3732,16 +3732,21 @@ class _TestSharedMemory(BaseTestCase):
with unittest.mock.patch(
'multiprocessing.shared_memory._make_filename') as mock_make_filename:
NAME_PREFIX = shared_memory._SHM_NAME_PREFIX
names = ['test01_fn', 'test02_fn']
# Prepend NAME_PREFIX which can be '/psm_' or 'wnsm_', necessary
# because some POSIX compliant systems require name to start with /
names = [NAME_PREFIX + name for name in names]
mock_make_filename.side_effect = names
shm1 = shared_memory.SharedMemory(create=True, size=1)
self.addCleanup(shm1.unlink)
self.assertEqual(shm1.name, names[0])
self.assertEqual(shm1._name, names[0])
mock_make_filename.side_effect = names
shm2 = shared_memory.SharedMemory(create=True, size=1)
self.addCleanup(shm2.unlink)
self.assertEqual(shm2.name, names[1])
self.assertEqual(shm2._name, names[1])
if shared_memory._USE_POSIX:
# Posix Shared Memory can only be unlinked once. Here we