test_helpers.py 文件源码

def test_kill_using_shell(self):
        """Test when no process exists."""
        child_pid = multiprocessing.Value('i', 0)
        setup_done = multiprocessing.Semaphore(0)
        args = [child_pid, setup_done]
        child = multiprocessing.Process(target=TestHelpers._ignores_sigterm, args=args)
        child.start()

        self.assertTrue(setup_done.acquire(timeout=1.0))
        pid_to_kill = child_pid.value
        self.assertTrue(helpers.kill_using_shell(logging.getLogger(), pid_to_kill,
                                                 signal=signal.SIGKILL))
        child.join() # remove orphan process
        self.assertFalse(helpers.kill_using_shell(logging.getLogger(), pid_to_kill,
                                                  signal=signal.SIGKILL))