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80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
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import ctypes
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import os
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import random
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import ssl
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import struct
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import sys
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import mitogen
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import unittest2
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import testlib
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import plain_old_module
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IS_64BIT = struct.calcsize('P') == 8
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PLATFORM_TO_PATH = {
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('darwin', False): '/usr/lib/libssl.dylib',
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('darwin', True): '/usr/lib/libssl.dylib',
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('linux2', False): '/usr/lib/libssl.so',
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('linux2', True): '/usr/lib/x86_64-linux-gnu/libssl.so',
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}
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c_ssl = ctypes.CDLL(PLATFORM_TO_PATH[sys.platform, IS_64BIT])
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c_ssl.RAND_pseudo_bytes.argtypes = [ctypes.c_char_p, ctypes.c_int]
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c_ssl.RAND_pseudo_bytes.restype = ctypes.c_int
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def ping():
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return 123
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def random_random():
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return random.random()
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def RAND_pseudo_bytes(n=32):
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buf = ctypes.create_string_buffer(n)
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assert 1 == c_ssl.RAND_pseudo_bytes(buf, n)
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return buf[:]
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class ForkTest(testlib.RouterMixin, unittest2.TestCase):
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def test_okay(self):
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context = self.router.fork()
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self.assertNotEqual(context.call(os.getpid), os.getpid())
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self.assertEqual(context.call(os.getppid), os.getpid())
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def test_random_module_diverges(self):
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context = self.router.fork()
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self.assertNotEqual(context.call(random_random), random_random())
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def test_ssl_module_diverges(self):
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# Ensure generator state is initialized.
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RAND_pseudo_bytes()
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context = self.router.fork()
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self.assertNotEqual(context.call(RAND_pseudo_bytes),
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RAND_pseudo_bytes())
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class DoubleChildTest(testlib.RouterMixin, unittest2.TestCase):
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def test_okay(self):
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# When forking from the master process, Mitogen had nothing to do with
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# setting up stdio -- that was inherited wherever the Master is running
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# (supervisor, iTerm, etc). When forking from a Mitogen child context
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# however, Mitogen owns all of fd 0, 1, and 2, and during the fork
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# procedure, it deletes all of these descriptors. That leaves the
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# process in a weird state that must be handled by some combination of
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# fork.py and ExternalContext.main().
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# Below we simply test whether ExternalContext.main() managed to boot
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# successfully. In future, we need lots more tests.
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c1 = self.router.fork()
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c2 = self.router.fork(via=c1)
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self.assertEquals(123, c2.call(ping))
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if __name__ == '__main__':
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unittest2.main()
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