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# -*- coding: utf8 -*-
# ============LICENSE_START=======================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2018 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.
#
import os
import pytest

from .helpers import validates, get_environment_pair


@pytest.mark.heat_only
@validates('R-90279', 'R-01896', 'R-26124')
def test_no_unused_parameters_between_env_and_templates(heat_template):
    """
    Check all defined parameters are used in the appropiate Heat template.
    """
    environment_pair = get_environment_pair(heat_template)
    if not environment_pair:
        pytest.skip("No heat/env pair could be identified")

    env_parameters = set(environment_pair["eyml"]["parameters"].keys())
    template_parameters = set(environment_pair["yyml"]["parameters"].keys())

    extra_in_template = template_parameters.difference(env_parameters)
    extra_in_env = env_parameters.difference(template_parameters)

    msg = "Mismatched parameters detected for the template and environment pair " \
          "with basename ({basename}). "
    if extra_in_env:
        msg += "The following parameters exist in the env file, but not the " \
               "template: {extra_in_env}. "
    if extra_in_template:
        msg += "The following parameters exist in the template file, but not the " \
               "environment file: {extra_in_template}"

    assert not (extra_in_template or extra_in_env), msg.format(
        basename=os.path.split(environment_pair["name"])[-1],
        extra_in_env=", ".join(extra_in_env),
        extra_in_template=", ".join(extra_in_template)
    )