"""Shared test helpers (not pytest-plugin)."""

from __future__ import annotations

import json
from pathlib import Path

from statement_to_tikz.ir import GeometryIR

FIXTURES = Path(__file__).parent / "fixtures"


def load_fixture(name: str) -> tuple[GeometryIR, str]:
    data = json.loads((FIXTURES / name).read_text(encoding="utf-8"))
    expected = data.pop("expected_mode", "exact")
    ir = GeometryIR.model_validate(data)
    ir.ensure_labels()
    return ir, expected