from __future__ import annotations

import importlib.util
from pathlib import Path

import pytest


SCRIPT = Path(__file__).parents[2] / "scripts" / "rotate_belgium_building_holdouts.py"
SPEC = importlib.util.spec_from_file_location("rotate_building_holdouts", SCRIPT)
assert SPEC and SPEC.loader
MODULE = importlib.util.module_from_spec(SPEC)
SPEC.loader.exec_module(MODULE)


def test_rotated_corpus_version_is_explicit_and_canonical() -> None:
    assert MODULE.validate_dataset_version("building-be-v31-rotated-holdouts-r1") == (
        "building-be-v31-rotated-holdouts-r1"
    )
    with pytest.raises(ValueError, match="canonical slug"):
        MODULE.validate_dataset_version("Building BE v31")