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bpo-40094: Add test.support.wait_process() (GH-19254)

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Moreover, the following tests now check the child process exit code:

* test_os.PtyTests
* test_mailbox.test_lock_conflict()
* test_tempfile.test_process_awareness()
* test_uuid.testIssue8621()
* multiprocessing resource tracker tests
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Victor Stinner 2020-03-31 20:08:12 +02:00 • committed by GitHub
parent 400e1dbcad
commit 278c1e159c
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19 changed files with 125 additions and 103 deletions
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11
Lib/test/test_subprocess.py
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@ -3114,12 +3114,10 @@ class POSIXProcessTestCase(BaseTestCase):
proc = subprocess.Popen(args)
# Wait until the real process completes to avoid zombie process
pid = proc.pid
pid, status = os.waitpid(pid, 0)
self.assertEqual(status, 0)
support.wait_process(proc.pid, exitcode=0)
status = _testcapi.W_STOPCODE(3)
with mock.patch('subprocess.os.waitpid', return_value=(pid, status)):
with mock.patch('subprocess.os.waitpid', return_value=(proc.pid, status)):
returncode = proc.wait()
self.assertEqual(returncode, -3)
@ -3130,10 +3128,7 @@ class POSIXProcessTestCase(BaseTestCase):
proc = subprocess.Popen(ZERO_RETURN_CMD)
# wait until the process completes without using the Popen APIs.
pid, status = os.waitpid(proc.pid, 0)
self.assertEqual(pid, proc.pid)
self.assertTrue(os.WIFEXITED(status), status)
self.assertEqual(os.WEXITSTATUS(status), 0)
support.wait_process(proc.pid, exitcode=0)
# returncode is still None but the process completed.
self.assertIsNone(proc.returncode)