test_test_utils.py 文件源码

def test_ipv6_supported(self):
        self.assertIn(test_utils.is_ipv6_supported(), (False, True))

        def fake_open(path):
            raise IOError

        def fake_socket_fail(x, y):
            e = socket.error()
            e.errno = errno.EAFNOSUPPORT
            raise e

        def fake_socket_ok(x, y):
            return tempfile.TemporaryFile()

        with fixtures.MonkeyPatch('socket.socket', fake_socket_fail):
            self.assertFalse(test_utils.is_ipv6_supported())

        with fixtures.MonkeyPatch('socket.socket', fake_socket_ok):
            with fixtures.MonkeyPatch('sys.platform', 'windows'):
                self.assertTrue(test_utils.is_ipv6_supported())

            with fixtures.MonkeyPatch('sys.platform', 'linux2'):
                with fixtures.MonkeyPatch('six.moves.builtins.open',
                                          fake_open):
                    self.assertFalse(test_utils.is_ipv6_supported())