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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.
#

""" environment file structure
"""

import yaml
import pytest

from .helpers import validates

VERSION = '1.0.0'

# pylint: disable=invalid-name


def test_environment_structure(env_file):
    '''
    Check that all environments files only have the allowed sections
    '''
    key_values = ["parameters", "event_sinks", "encrypted_parameters",
                  "parameter_merge_strategies"]

    with open(env_file) as fh:
        yml = yaml.load(fh)
    assert [k for k in key_values if k in yml], (
            '%s missing any of %s' % (
                    env_file,
                    key_values))


@validates('R-03324')
def test_environment_file_contains_required_sections(env_file):
    '''
    Check that all environments files only have the allowed sections
    '''
    required_keys = ["parameters"]

    with open(env_file) as fh:
        yml = yaml.load(fh)
    missing_keys = [v for v in required_keys if v not in yml]
    assert not missing_keys, '%s missing %s' % (env_file, missing_keys)


def test_environment_file_sections_have_the_right_format(env_file):
    '''
    Check that all environment files have sections of the right format.
    Do note that it only tests for dicts or not dicts currently.
    '''
    dict_keys = [
            "parameters",
            "encrypted_parameters",
            "parameter_merge_strategies"]
    not_dict_keys = [
            "event_sinks"]

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

    if not [k for k in dict_keys + not_dict_keys if k in yml]:
        pytest.skip('The fixture is not applicable for this test')

    bad_dict_keys = [k for k in dict_keys
                     if k in yml
                     and not isinstance(yml[k], dict)]
    bad_not_dict_keys = [k for k in not_dict_keys
                         if k in yml
                         and isinstance(yml[k], dict)]
    errors = []
    if bad_dict_keys:
        errors.append('must be dict %s' % bad_dict_keys)
    if bad_not_dict_keys:
        errors.append('must not be dict %s' % bad_not_dict_keys)
    assert not errors, '%s errors:\n    %s' % (
            env_file,
            '\n    '.join(errors))