"""Pytest fixtures shared across the BioPatch test suite."""

from __future__ import annotations

import subprocess
import sys
from pathlib import Path

import pytest

ROOT = Path(__file__).resolve().parent.parent


@pytest.fixture(scope="session", autouse=True)
def ensure_clinical_model_trained() -> None:
    """Make sure the RF artifact exists before any test runs.

    The training pipeline is deterministic (seed=42) and finishes in <2s,
    so re-running it in CI is cheap and keeps tests model-faithful.
    """
    artifact = ROOT / "ai" / "artifacts" / "rf_v1.joblib"
    if artifact.exists():
        return
    subprocess.run(
        [sys.executable, "-m", "scripts.seed_clinical_data"],
        cwd=ROOT,
        check=True,
    )