tests/conftest.py

"""Shared pytest fixtures / path setup.

Adds the project root to ``sys.path`` so tests can be run from any
working directory (including ``pytest`` invoked directly in the
``tests/`` folder).
"""
from __future__ import annotations

import sys
from pathlib import Path

PROJECT_ROOT = Path(__file__).resolve().parent.parent
if str(PROJECT_ROOT) not in sys.path:
    sys.path.insert(0, str(PROJECT_ROOT))