"""hub /api/hub/monitor：enrich 局部返回时须保留 keys。"""
from __future__ import annotations

import sys
import unittest
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT))

from hub_bridge import build_hub_monitor_payload  # noqa: E402


class TestHubMonitorPayload(unittest.TestCase):
    def test_partial_enrich_keeps_keys(self):
        keys = [{"id": 7, "symbol": "BTC/USDT"}]
        orders = [{"id": 1}]
        trends = [{"id": 9, "symbol": "ETH/USDT"}]
        rolls = []

        def enrich_only_trends(**_kw):
            return {"trends": [{"id": 9, "add_count": 2}]}

        out = build_hub_monitor_payload(
            keys=keys,
            orders=orders,
            trends=trends,
            rolls=rolls,
            enrich=enrich_only_trends,
        )
        self.assertTrue(out["ok"])
        self.assertEqual(out["keys"], keys)
        self.assertEqual(out["orders"], orders)
        self.assertEqual(out["rolls"], rolls)
        self.assertEqual(out["trends"][0]["add_count"], 2)


if __name__ == "__main__":
    unittest.main()