test_stat.py 文件源码

def assertS_IS(self, name, mode):
        # test format, lstrip is for S_IFIFO
        fmt = getattr(stat, "S_IF" + name.lstrip("F"))
        self.assertEqual(stat.S_IFMT(mode), fmt)
        # test that just one function returns true
        testname = "S_IS" + name
        for funcname in self.format_funcs:
            func = getattr(stat, funcname, None)
            if func is None:
                if funcname == testname:
                    raise ValueError(funcname)
                continue
            if funcname == testname:
                self.assertTrue(func(mode))
            else:
                self.assertFalse(func(mode))