"""知识分类 API 测试（Qdrant 为 mock，不真实联网）"""

from collections.abc import Iterator

import pytest
from fastapi.testclient import TestClient

from app.main import app
from app.models.knowledge import UNCATEGORIZED, load_taxonomy
from app.services.qdrant import QdrantService


@pytest.fixture
def client(monkeypatch: pytest.MonkeyPatch) -> Iterator[TestClient]:
    """TestClient，lifespan 中的 Qdrant 集合初始化替换为空操作"""

    async def _noop_ensure_collections(self: QdrantService) -> None:
        return None

    monkeypatch.setattr(QdrantService, "ensure_collections", _noop_ensure_collections)
    with TestClient(app) as test_client:
        yield test_client


def test_list_categories(client: TestClient) -> None:
    """categories 返回完整 taxonomy，且含 uncategorized"""
    resp = client.get("/api/v1/knowledge/categories")

    assert resp.status_code == 200
    body = resp.json()
    assert body["code"] == 0

    expected = load_taxonomy()
    data = body["data"]
    assert data["count"] == len(expected)
    names = [c["name"] for c in data["categories"]]
    assert names == [c.name for c in expected]
    assert UNCATEGORIZED in names