# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# 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.

import os
import pytest


TEMP_ENV_VARS = {}


@pytest.fixture(scope='session', autouse=True)
def tests_setup_and_teardown():
    """Mock environment and module variables for testing."""
    global TEMP_ENV_VARS
    # Will be executed before the first test
    old_environ = dict(os.environ)
    os.environ.update(TEMP_ENV_VARS)

    yield
    # Will be executed after the last test
    os.environ.clear()
    os.environ.update(old_environ)
