"""Smoke tests for codex.models dataclasses."""

from __future__ import annotations

from codex.models import Chunk, Citation, CodeLink, Paper


def test_paper_defaults() -> None:
    """Paper(id=..., title=...) has correct optional-field defaults."""
    p = Paper(id="2301.00001", title="T")
    assert p.openalex_id is None
    assert p.authors == []
    assert p.year is None


def test_chunk_required_fields() -> None:
    """Chunk(paper_id=..., ord=..., content=...) has id=None and embedding=None."""
    c = Chunk(paper_id="x", ord=0, content="c")
    assert c.id is None
    assert c.embedding is None


def test_citation_fields() -> None:
    """Citation(citing_id=..., cited_id=...) has context=None."""
    cit = Citation(citing_id="a", cited_id="b")
    assert cit.context is None


def test_codelink_fields() -> None:
    """CodeLink(symbol=...) has paper_id=None, role=None, and id=None."""
    cl = CodeLink(symbol="foo")
    assert cl.paper_id is None
    assert cl.role is None
    assert cl.id is None