3d2c1252f1
Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: multica-agent <github@multica.ai>
103 lines
3.9 KiB
Python
103 lines
3.9 KiB
Python
from __future__ import annotations
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import tempfile
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import unittest
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from pathlib import Path
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from unittest.mock import patch
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from datahub.adapters.base import AdapterError
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from datahub.adapters.eastmoney import HIS_TRENDS_URL, TRENDS_URL, EastmoneyAdapter
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from datahub.db import HubDB
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from datahub.realtime_serve import fetch_intraday
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class FakeEastmoney(EastmoneyAdapter):
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def __init__(self) -> None:
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super().__init__(timeout=2)
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self.urls: list[str] = []
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def _get_json(self, url, params, referer):
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self.urls.append(f"{url}|{params.get('ndays')}")
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if url == TRENDS_URL:
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return {"data": {"name": "中国平安", "code": "601318", "preClose": 56.36, "trends": []}}
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if url == HIS_TRENDS_URL:
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return {
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"data": {
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"name": "中国平安",
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"code": "601318",
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"preClose": 55.8,
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"trends": [
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"2026-09-07 09:30,55.80,55.90,56.00,55.70,100,5580.00,55.900",
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"2026-09-07 15:00,56.10,56.20,56.30,56.00,200,11240.00,56.150",
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"2026-09-08 09:30,0,0,0,0,0,0.00,0",
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],
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}
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}
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raise AdapterError(f"unexpected url {url}")
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class EastmoneyIntradayLookbackTests(unittest.TestCase):
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def test_empty_today_uses_latest_available_session(self):
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adapter = FakeEastmoney()
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payload = adapter.fetch_intraday("601318.SH")
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self.assertEqual(adapter.urls, [f"{TRENDS_URL}|1", f"{TRENDS_URL}|5", f"{HIS_TRENDS_URL}|5"])
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self.assertEqual(payload["trade_date"], "2026-09-07")
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self.assertEqual([point["time"] for point in payload["points"]], ["09:30", "15:00"])
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self.assertEqual(payload["points"][0]["close"], 55.9)
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def test_preferred_date_keeps_that_session(self):
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adapter = FakeEastmoney()
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payload = adapter.fetch_intraday("601318.SH", "20260907")
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self.assertEqual(payload["trade_date"], "2026-09-07")
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self.assertEqual(len(payload["points"]), 2)
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class IntradayLkgTests(unittest.TestCase):
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def setUp(self) -> None:
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self.tmp = tempfile.TemporaryDirectory()
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self.db = HubDB(Path(self.tmp.name) / "hub.db")
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def tearDown(self) -> None:
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self.tmp.cleanup()
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def test_source_failure_returns_last_known_good(self):
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from datahub.realtime_serve import _envelope, _write_cache
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payload = _envelope(
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{
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"entity_type": "stock",
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"ts_code": "601318.SH",
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"trade_date": "2026-09-07",
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"previous_close": 55.8,
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"points": [{"date": "2026-09-07", "time": "09:30", "close": 55.9}],
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},
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{
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"tier": "provisional",
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"trade_date": "20260907",
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"source": "eastmoney:trends2",
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"stale": False,
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},
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)
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_write_cache(self.db, "intraday:601318.SH:today", payload, 20, "eastmoney:trends2")
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self.db.execute(
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"UPDATE rt_cache SET expires_at = ? WHERE cache_key = ?",
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("2000-01-01T00:00:00+08:00", "intraday:601318.SH:today"),
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)
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with patch("datahub.realtime_serve.EastmoneyAdapter") as mocked:
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mocked.return_value.fetch_intraday.side_effect = AdapterError("down")
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recovered = fetch_intraday(self.db, "601318.SH")
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self.assertTrue(recovered["meta"]["stale"])
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self.assertEqual(recovered["data"]["points"][0]["close"], 55.9)
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def test_source_failure_without_lkg_raises(self):
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with patch("datahub.realtime_serve.EastmoneyAdapter") as mocked:
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mocked.return_value.fetch_intraday.side_effect = AdapterError("down")
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with self.assertRaises(Exception) as ctx:
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fetch_intraday(self.db, "000001.SZ")
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self.assertIn("intraday unavailable", str(ctx.exception))
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if __name__ == "__main__":
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unittest.main()
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