mod.py

# run with:
# pip-run -- -m coverage run mod.py
__requires__ = ['pywin32-ctypes', 'coverage']

import multiprocessing

from win32ctypes.pywin32 import win32cred
from win32ctypes.pywin32 import pywintypes


def run():
    try:
        return win32cred.CredRead(Type=win32cred.CRED_TYPE_GENERIC, TargetName='test')
    except pywintypes.error as e:
        if e.winerror == 1168 and e.funcname == 'CredRead':  # not found
            return None
        raise


def run_child():
    assert run() is None
    proc1 = multiprocessing.Process(target=run)
    proc1.start()
    proc1.join()
    assert proc1.exitcode == 0


def test_run_child():
    run_child()


__name__ == '__main__' and run_child()