from pathlib import Path

from citegeist.sources import SourceClient


def test_source_client_reads_fixture_before_network(tmp_path: Path):
    fixtures_dir = tmp_path / "fixtures"
    fixtures_dir.mkdir()

    client = SourceClient(cache_dir=tmp_path / "cache", fixtures_dir=fixtures_dir)
    url = "https://api.crossref.org/works/10.1000/example"
    fixture_path = fixtures_dir / client._cache_key(url, "json")  # noqa: SLF001
    fixture_path.write_text('{"message": {"DOI": "10.1000/example"}}', encoding="utf-8")

    payload = client.get_json(url)

    assert payload["message"]["DOI"] == "10.1000/example"


def test_source_client_writes_cache_after_fetch(tmp_path: Path):
    cache_dir = tmp_path / "cache"
    client = SourceClient(cache_dir=cache_dir)
    url = "https://example.org/test"

    client._fetch_bytes = lambda _url: b'{"ok": true}'  # type: ignore[method-assign]

    payload = client.get_json(url)

    assert payload["ok"] is True
    assert any(cache_dir.iterdir())