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# -*- coding: utf8 -*-
# ============LICENSE_START====================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2017 AT&T Intellectual Property. All rights reserved.
# ===================================================================
#
# Unless otherwise specified, all software contained herein is licensed
# under the Apache License, Version 2.0 (the "License");
# you may not use this software except in compliance with the License.
# You may obtain a copy of the License at
#
#             http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
#
# Unless otherwise specified, all documentation contained herein is licensed
# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
# you may not use this documentation except in compliance with the License.
# You may obtain a copy of the License at
#
#             https://creativecommons.org/licenses/by/4.0/
#
# Unless required by applicable law or agreed to in writing, documentation
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# ============LICENSE_END============================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.
#

'''vm-type syntax
'''

import re

import pytest

from .structures import Heat
from .helpers import validates
from .utils import vm_types

VERSION = '1.0.0'

RE_VM_TYPE = re.compile(r'[\w\d_]+$')
RE_VM_TYPE_NG = re.compile(r'.*_int|_?int_.*$')


@validates('R-98407')
def test_vm_type_syntax(heat_template):
    '''
    A VNF's Heat Orchestration Template's ``{vm-type}``
    **MUST** contain only
    alphanumeric characters and/or underscores '_' and **MUST NOT**
    contain any of the following strings:
    ``_int`` or ``int_`` or ``_int_``.
    '''
    v = Heat(filepath=heat_template)
    if not v.resources:
        pytest.skip("No resources")
    t = set()
    t.update(*[vm_types.get_vm_types_for_resource(r)
               for r in v.resources.values()])
    bad = [x for x in t if not RE_VM_TYPE.match(x) or RE_VM_TYPE_NG.match(x)]
    assert not bad, 'bad vm-types %s' % bad