"""
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: MIT-0
"""
from test.testlib.testcase import BaseTestCase

from cfnlint.decode.node import (  # pylint: disable=E0401
    TemplateAttributeError,
    intrinsic_node,
)


class TestNodeIntrinsic(BaseTestCase):
    def test_success_init(self):
        template = intrinsic_node({"Fn::Sub": []}, (0, 1), (2, 3))

        self.assertRaises(TemplateAttributeError, template.is_valid)