test_process.py 文件源码

def test_wait(self):
        # check exit code signal
        sproc = get_test_subprocess()
        p = psutil.Process(sproc.pid)
        p.kill()
        code = p.wait()
        if POSIX:
            self.assertEqual(code, signal.SIGKILL)
        else:
            self.assertEqual(code, 0)
        self.assertFalse(p.is_running())

        sproc = get_test_subprocess()
        p = psutil.Process(sproc.pid)
        p.terminate()
        code = p.wait()
        if POSIX:
            self.assertEqual(code, signal.SIGTERM)
        else:
            self.assertEqual(code, 0)
        self.assertFalse(p.is_running())

        # check sys.exit() code
        code = "import time, sys; time.sleep(0.01); sys.exit(5);"
        sproc = get_test_subprocess([PYTHON, "-c", code])
        p = psutil.Process(sproc.pid)
        self.assertEqual(p.wait(), 5)
        self.assertFalse(p.is_running())

        # Test wait() issued twice.
        # It is not supposed to raise NSP when the process is gone.
        # On UNIX this should return None, on Windows it should keep
        # returning the exit code.
        sproc = get_test_subprocess([PYTHON, "-c", code])
        p = psutil.Process(sproc.pid)
        self.assertEqual(p.wait(), 5)
        self.assertIn(p.wait(), (5, None))

        # test timeout
        sproc = get_test_subprocess()
        p = psutil.Process(sproc.pid)
        p.name()
        self.assertRaises(psutil.TimeoutExpired, p.wait, 0.01)

        # timeout < 0 not allowed
        self.assertRaises(ValueError, p.wait, -1)

    # XXX why is this skipped on Windows?