# -*- coding: utf8 -*-
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# org.onap.vvp/validation-scripts
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import re

import pytest
from tests import cached_yaml as yaml

from .helpers import validates


@validates('R-75141')
def test_alphanumeric_resource_ids_only(yaml_file):
    '''
    Check that all instance names are only using alphanumerics
    '''
    valid_format = re.compile(r'^[\w-]+$')

    with open(yaml_file) as fh:
        yml = yaml.load(fh)

    if 'resources' not in yml:
        pytest.skip("No resources specified in the heat template")

    invalid_resource_ids = [k
                            for k in yml['resources'].keys()
                            if not valid_format.match(k)]

    assert not set(invalid_resource_ids)