from pathlib import Path
import json
ROOT=Path(__file__).resolve().parents[1]
fixture_dir=ROOT/"fixtures"/"geojson"
if not fixture_dir.exists(): raise SystemExit("fixtures/geojson missing")
for path in fixture_dir.glob("*.geojson"):
    data=json.loads(path.read_text(encoding="utf-8"))
    if data.get("type") != "FeatureCollection": raise SystemExit(f"{path} is not a FeatureCollection")
print("Fixture validation OK")