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Issue #15646: Prevent equivalent of a fork bomb when using multiprocessing

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on Windows without the "if __name__ == '__main__'" idiom.
This commit is contained in:
Richard Oudkerk 2012-08-14 11:41:19 +01:00
parent fe9efc5732
commit faee75c33a
4 changed files with 43 additions and 2 deletions
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23
Lib/test/test_multiprocessing.py
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@ -16,6 +16,7 @@ import socket
import random
import logging
import errno
import test.script_helper
from test import test_support
from StringIO import StringIO
_multiprocessing = test_support.import_module('_multiprocessing')
@ -2349,8 +2350,28 @@ class TestTimeouts(unittest.TestCase):
finally:
socket.setdefaulttimeout(old_timeout)
#
# Test what happens with no "if __name__ == '__main__'"
#
class TestNoForkBomb(unittest.TestCase):
def test_noforkbomb(self):
name = os.path.join(os.path.dirname(__file__), 'mp_fork_bomb.py')
if WIN32:
rc, out, err = test.script_helper.assert_python_failure(name)
self.assertEqual('', out.decode('ascii'))
self.assertIn('RuntimeError', err.decode('ascii'))
else:
rc, out, err = test.script_helper.assert_python_ok(name)
self.assertEqual('123', out.decode('ascii').rstrip())
self.assertEqual('', err.decode('ascii'))
#
#
#
testcases_other = [OtherTest, TestInvalidHandle, TestInitializers,
TestStdinBadfiledescriptor, TestTimeouts]
TestStdinBadfiledescriptor, TestTimeouts, TestNoForkBomb]
#
#