test_process.py 文件源码

def test_pid_0(self):
        # Process(0) is supposed to work on all platforms except Linux
        if 0 not in psutil.pids():
            self.assertRaises(psutil.NoSuchProcess, psutil.Process, 0)
            return

        # test all methods
        p = psutil.Process(0)
        for name in psutil._as_dict_attrnames:
            if name == 'pid':
                continue
            meth = getattr(p, name)
            try:
                ret = meth()
            except psutil.AccessDenied:
                pass
            else:
                if name in ("uids", "gids"):
                    self.assertEqual(ret.real, 0)
                elif name == "username":
                    if POSIX:
                        self.assertEqual(p.username(), 'root')
                    elif WINDOWS:
                        self.assertEqual(p.username(), 'NT AUTHORITY\\SYSTEM')
                elif name == "name":
                    assert name, name

        if hasattr(p, 'rlimit'):
            try:
                p.rlimit(psutil.RLIMIT_FSIZE)
            except psutil.AccessDenied:
                pass

        p.as_dict()

        if not OPENBSD:
            self.assertIn(0, psutil.pids())
            self.assertTrue(psutil.pid_exists(0))