test_utils.py 文件源码

def test_sets_and_resets_euid_on_crash(self):
        original_euid = os.geteuid()
        example_euid = original_euid + random.randrange(500, 1000)
        self.useFixture(EnvironmentVariable("SUDO_UID", str(example_euid)))
        with ExpectedException(ZeroDivisionError):
            with utils.sudo_uid():
                0 / 0  # A very realistic example.
        self.assertThat(utils.seteuid, MockCalledWith(original_euid))