fixture_options.py

import pytest
from typing import NamedTuple


class SomeFixture(NamedTuple):
    first_option: bool = False
    second_option: bool = True


@pytest.fixture
def some_fixture(request):
    marker = request.node.get_closest_marker('some_fixture')
    return SomeFixture(*marker.args, **marker.kwargs) if marker else SomeFixture()


def test_default_options(some_fixture):
    assert some_fixture.first_option is False
    assert some_fixture.second_option is True


@pytest.mark.some_fixture(first_option=True, second_option=False)
def test_custom_options(some_fixture):
    assert some_fixture.first_option is True
    assert some_fixture.second_option is False