from pathlib import Path
from types import SimpleNamespace
from unittest.mock import patch

from routers.knowledge import _doc_payload


def test_doc_payload_reports_whether_the_persisted_file_exists(tmp_path: Path):
    avatar_id = "avatar-1"
    stored_name = "knowledge.md"
    doc = SimpleNamespace(
        avatar_id=avatar_id,
        file_url=f"/api/files/{avatar_id}/{stored_name}",
        to_dict=lambda: {"id": "doc-1", "fileUrl": f"/api/files/{avatar_id}/{stored_name}"},
    )
    stored_dir = tmp_path / avatar_id
    stored_dir.mkdir()
    stored_file = stored_dir / stored_name

    with patch("routers.knowledge.UPLOAD_DIR", str(tmp_path)):
        assert _doc_payload(doc)["filePresent"] is False
        stored_file.write_text("knowledge", encoding="utf-8")
        assert _doc_payload(doc)["filePresent"] is True