# Copyright 2016 Canonical Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file 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.

from unittest import mock
import os
import sys

_path = os.path.dirname(os.path.realpath(__file__))
_actions = os.path.abspath(os.path.join(_path, '../actions'))
_hooks = os.path.abspath(os.path.join(_path, '../hooks'))
_charmhelpers = os.path.abspath(os.path.join(_path, '../charmhelpers'))
_unit_tests = os.path.abspath(os.path.join(_path, '../unit_tests'))


def _add_path(path):
    if path not in sys.path:
        sys.path.insert(1, path)


_add_path(_actions)
_add_path(_hooks)
_add_path(_charmhelpers)
_add_path(_unit_tests)


cinder = mock.MagicMock()
sqlalchemy = mock.MagicMock()
sys.modules['sqlalchemy'] = sqlalchemy
sys.modules['cinder'] = cinder
sys.modules['cinder.context'] = cinder.context
sys.modules['cinder.db'] = cinder.db
sys.modules['cinder.db.sqlalchemy'] = cinder.db.sqlalchemy
sys.modules['cinder.db.sqlalchemy.api'] = cinder.db.sqlalchemy.api

# python-apt is not installed as part of test-requirements but is imported by
# some charmhelpers modules so create a fake import.
mock_apt = mock.MagicMock()
sys.modules['apt'] = mock_apt
mock_apt.apt_pkg = mock.MagicMock()