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Make _kill_process more robust under Windows too (see issue #8432)

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This commit is contained in:
Antoine Pitrou 2010-09-24 18:57:01 +00:00
parent ff09ce211f
commit a4024e2dd5
1 changed files with 14 additions and 20 deletions
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32
Lib/test/test_subprocess.py
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@ -1000,28 +1000,22 @@ def test_call_string(self):
def _kill_process(self, method, *args):
# Some win32 buildbot raises EOFError if stdin is inherited
p = subprocess.Popen([sys.executable, "-c", "input()"],
stdin=subprocess.PIPE, stderr=subprocess.PIPE)
# Let the process initialize (Issue #3137)
time.sleep(0.1)
# The process should not terminate prematurely
self.assertIsNone(p.poll())
# Retry if the process do not receive the signal.
count, maxcount = 0, 3
while count < maxcount and p.poll() is None:
p = subprocess.Popen([sys.executable, "-c", """if 1:
import sys, time
sys.stdout.write('x\\n')
sys.stdout.flush()
time.sleep(30)
"""],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
# Wait for the interpreter to be completely initialized before
# sending any signal.
p.stdout.read(1)
getattr(p, method)(*args)
time.sleep(0.1)
count += 1
returncode = p.poll()
self.assertIsNotNone(returncode, "the subprocess did not terminate")
if count > 1:
print("p.{}{} succeeded after "
"{} attempts".format(method, args, count), file=sys.stderr)
_, stderr = p.communicate()
self.assertStderrEqual(stderr, b'')
self.assertEqual(p.wait(), returncode)
returncode = p.wait()
self.assertNotEqual(returncode, 0)
def test_send_signal(self):