Implementation of the pytest fixture for adding information to the Environment widget

add_allure_environment_property_fixture.py

from os import path
from typing import Any, Callable, Optional

from _pytest.fixtures import SubRequest
from pytest import fixture

ALLURE_ENVIRONMENT_PROPERTIES_FILE = 'environment.properties'
ALLUREDIR_OPTION = '--alluredir'


@fixture(scope='session', autouse=True)
def add_allure_environment_property(request: SubRequest) -> Optional[Callable]:

    environment_properties = dict()

    def maker(key: str, value: Any):
        environment_properties.update({key: value})

    yield maker

    alluredir = request.config.getoption(ALLUREDIR_OPTION)

    if not alluredir or not path.isdir(alluredir) or not environment_properties:
        return

    allure_env_path = path.join(alluredir, ALLURE_ENVIRONMENT_PROPERTIES_FILE)

    with open(allure_env_path, 'w') as _f:
        data = '\n'.join([f'{variable}={value}' for variable, value in environment_properties.items()])
        _f.write(data)