149 lines
4.1 KiB
Python
149 lines
4.1 KiB
Python
|
|
import os
|
|
import random
|
|
import struct
|
|
import sys
|
|
|
|
try:
|
|
import _ssl
|
|
except ImportError:
|
|
_ssl = None
|
|
|
|
try:
|
|
import ssl
|
|
except ImportError:
|
|
ssl = None
|
|
|
|
try:
|
|
import ctypes
|
|
except ImportError:
|
|
# Python 2.4
|
|
ctypes = None
|
|
|
|
import mitogen
|
|
import unittest2
|
|
|
|
import testlib
|
|
import plain_old_module
|
|
|
|
|
|
def _find_ssl_linux():
|
|
s = testlib.subprocess__check_output(['ldd', _ssl.__file__])
|
|
for line in s.decode().splitlines():
|
|
bits = line.split()
|
|
if bits[0].startswith('libssl'):
|
|
return bits[2]
|
|
|
|
def _find_ssl_darwin():
|
|
s = testlib.subprocess__check_output(['otool', '-l', _ssl.__file__])
|
|
for line in s.decode().splitlines():
|
|
bits = line.split()
|
|
if bits[0] == 'name' and 'libssl' in bits[1]:
|
|
return bits[1]
|
|
|
|
|
|
if ctypes and sys.platform.startswith('linux'):
|
|
LIBSSL_PATH = _find_ssl_linux()
|
|
elif ctypes and sys.platform == 'darwin':
|
|
LIBSSL_PATH = _find_ssl_darwin()
|
|
else:
|
|
LIBSSL_PATH = None
|
|
|
|
if ctypes and LIBSSL_PATH:
|
|
c_ssl = ctypes.CDLL(LIBSSL_PATH)
|
|
c_ssl.RAND_pseudo_bytes.argtypes = [ctypes.c_char_p, ctypes.c_int]
|
|
c_ssl.RAND_pseudo_bytes.restype = ctypes.c_int
|
|
|
|
|
|
def ping():
|
|
return 123
|
|
|
|
|
|
def random_random():
|
|
return random.random()
|
|
|
|
|
|
def RAND_pseudo_bytes(n=32):
|
|
buf = ctypes.create_string_buffer(n)
|
|
assert 1 == c_ssl.RAND_pseudo_bytes(buf, n)
|
|
return buf[:]
|
|
|
|
|
|
def exercise_importer(n):
|
|
"""
|
|
Ensure the forked child has a sensible importer.
|
|
"""
|
|
sys.path.remove(testlib.DATA_DIR)
|
|
import simple_pkg.a
|
|
return simple_pkg.a.subtract_one_add_two(n)
|
|
|
|
|
|
skipIfUnsupported = unittest2.skipIf(
|
|
condition=(not mitogen.fork.FORK_SUPPORTED),
|
|
reason="mitogen.fork unsupported on this platform"
|
|
)
|
|
|
|
|
|
class ForkTest(testlib.RouterMixin, testlib.TestCase):
|
|
def test_okay(self):
|
|
context = self.router.fork()
|
|
self.assertNotEqual(context.call(os.getpid), os.getpid())
|
|
self.assertEqual(context.call(os.getppid), os.getpid())
|
|
|
|
def test_random_module_diverges(self):
|
|
context = self.router.fork()
|
|
self.assertNotEqual(context.call(random_random), random_random())
|
|
|
|
@unittest2.skipIf(
|
|
condition=LIBSSL_PATH is None or ctypes is None,
|
|
reason='cant test libssl on this platform',
|
|
)
|
|
def test_ssl_module_diverges(self):
|
|
# Ensure generator state is initialized.
|
|
RAND_pseudo_bytes()
|
|
context = self.router.fork()
|
|
self.assertNotEqual(context.call(RAND_pseudo_bytes),
|
|
RAND_pseudo_bytes())
|
|
|
|
def test_importer(self):
|
|
context = self.router.fork()
|
|
self.assertEqual(2, context.call(exercise_importer, 1))
|
|
|
|
def test_on_start(self):
|
|
recv = mitogen.core.Receiver(self.router)
|
|
def on_start(econtext):
|
|
sender = mitogen.core.Sender(econtext.parent, recv.handle)
|
|
sender.send(123)
|
|
context = self.router.fork(on_start=on_start)
|
|
self.assertEquals(123, recv.get().unpickle())
|
|
|
|
ForkTest = skipIfUnsupported(ForkTest)
|
|
|
|
|
|
class DoubleChildTest(testlib.RouterMixin, testlib.TestCase):
|
|
def test_okay(self):
|
|
# When forking from the master process, Mitogen had nothing to do with
|
|
# setting up stdio -- that was inherited wherever the Master is running
|
|
# (supervisor, iTerm, etc). When forking from a Mitogen child context
|
|
# however, Mitogen owns all of fd 0, 1, and 2, and during the fork
|
|
# procedure, it deletes all of these descriptors. That leaves the
|
|
# process in a weird state that must be handled by some combination of
|
|
# fork.py and ExternalContext.main().
|
|
|
|
# Below we simply test whether ExternalContext.main() managed to boot
|
|
# successfully. In future, we need lots more tests.
|
|
c1 = self.router.fork()
|
|
c2 = self.router.fork(via=c1)
|
|
self.assertEquals(123, c2.call(ping))
|
|
|
|
def test_importer(self):
|
|
c1 = self.router.fork(name='c1')
|
|
c2 = self.router.fork(name='c2', via=c1)
|
|
self.assertEqual(2, c2.call(exercise_importer, 1))
|
|
|
|
DoubleChildTest = skipIfUnsupported(DoubleChildTest)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest2.main()
|