test_posix.py 文件源码

def test_getgroups(self):
        with os.popen('id -G') as idg:
            groups = idg.read().strip()

        if not groups:
            raise unittest.SkipTest("need working 'id -G'")

        # 'id -G' and 'os.getgroups()' should return the same
        # groups, ignoring order and duplicates.
        # #10822 - it is implementation defined whether posix.getgroups()
        # includes the effective gid so we include it anyway, since id -G does
        self.assertEqual(
                set([int(x) for x in groups.split()]),
                set(posix.getgroups() + [posix.getegid()]))