import os import signal import sys import tempfile import threading import time import testlib import mitogen.core import mitogen.parent class ConnectionTest(testlib.RouterMixin, testlib.TestCase): def test_broker_shutdown_while_connect_in_progress(self): # if Broker.shutdown() is called while a connection attempt is in # progress, the connection should be torn down. path = tempfile.mktemp(prefix='broker_shutdown_sem_') open(path, 'wb').close() os.environ['BROKER_SHUTDOWN_SEMAPHORE'] = path result = [] def thread(): python_path = testlib.data_path('broker_shutdown_test_python.py') try: result.append(self.router.local(python_path=python_path)) except Exception: result.append(sys.exc_info()[1]) th = threading.Thread(target=thread) th.start() while os.path.exists(path): time.sleep(0.05) self.broker.shutdown() th.join() exc, = result self.assertTrue(isinstance(exc, mitogen.parent.CancelledError)) self.assertEqual(mitogen.parent.BROKER_SHUTDOWN_MSG, exc.args[0]) @mitogen.core.takes_econtext def do_detach(econtext): econtext.detach() while 1: time.sleep(1) logging.getLogger('mitogen').error('hi') class DetachReapTest(testlib.RouterMixin, testlib.TestCase): def test_subprocess_preserved_on_shutdown(self): c1 = self.router.local() pid = c1.call(os.getpid) l = mitogen.core.Latch() mitogen.core.listen(c1, 'disconnect', l.put) c1.call_no_reply(do_detach) l.get() self.broker.shutdown() self.broker.join() os.kill(pid, 0) # succeeds if process still alive # now clean up os.kill(pid, signal.SIGTERM) os.waitpid(pid, 0)