"""Smoke tests for :func:`finalize_document_schema`."""

from __future__ import annotations

from frame.timed_automata.nl2formalmodel.schema_finalize import finalize_document_schema


def test_finalize_empty_schema_round_trip():
    base: dict = {}
    out = finalize_document_schema(base)
    assert base == {}
    assert isinstance(out, dict)
    # Deterministic passes may introduce default structure (e.g. empty templates list).
    assert "templates" in out