"""This module provides utility fixtures for testing."""
from typing import Tuple

from _pytest.fixtures import FixtureRequest
import pytest


@pytest.fixture(params=[True, False])
def boolean(request: FixtureRequest) -> bool:
    return request.param


@pytest.fixture
def boolean1(boolean: bool) -> Tuple[bool]:
    return (boolean,)


@pytest.fixture(params=[True, False])
def boolean2(request: FixtureRequest, boolean: bool) -> Tuple[bool, bool]:
    return (boolean, request.param)


@pytest.fixture(params=[True, False])
def boolean3(
    request: FixtureRequest, boolean2: Tuple[bool, bool]
) -> Tuple[bool, bool, bool]:
    return (boolean2[0], boolean2[1], request.param)


# …