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shy3130
697c27bb02
- 市场环境: 新增情绪周期6阶段(冰点/启动/主升/高潮/退潮/修复, 连板梯队驱动, EMA平滑+2日确认+弱档否决, 平均段长9.7天)与概念/行业主线排名(涨停梯队聚合, 可配置宽基/风格标签过滤); 市场环境页重构, regime 透明加列, 与5档state并存 - 挖掘: 因子与策略挖掘全链路(API/worker/进程锁/候选库/前端工作台/文档), 周度调度默认关闭且永不自动发布 - 回测: 财务快照因子(点时口径), 批量回测预计算共享下期收益, 信号路径矩阵列依赖展开修复(consecutive_limit_ups 缺列报错) - 数据/性能: enriched 生成与预热治理, 重任务限流, 行情/K线缓存复用, 时区修复 - 测试: 后端全量 914 通过; GUI 黑盒验证截图存证 gui-test-screenshots/
98 lines
3.4 KiB
Python
98 lines
3.4 KiB
Python
"""策略 override mtime 签名缓存测试 — 读盘去重, 写入/删除后立即可见, 返回深拷贝。"""
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from __future__ import annotations
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import json
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import os
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from pathlib import Path
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import pytest
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from app.strategy import config as strat_config
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@pytest.fixture(autouse=True)
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def _clean_cache():
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strat_config._override_cache.clear()
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strat_config._override_cache_sig.clear()
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yield
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strat_config._override_cache.clear()
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strat_config._override_cache_sig.clear()
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def _patched_loads(monkeypatch, counter: dict):
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real_loads = json.loads
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def _counting(text):
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counter["loads"] += 1
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return real_loads(text)
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monkeypatch.setattr(strat_config.json, "loads", _counting)
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def test_second_load_hits_cache_without_disk_parse(tmp_path, monkeypatch):
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strat_config.save_override(tmp_path, "s1", {"params": {"p": 1}})
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counter = {"loads": 0}
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_patched_loads(monkeypatch, counter)
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assert strat_config.load_override(tmp_path, "s1")["params"] == {"p": 1}
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assert strat_config.load_override(tmp_path, "s1")["params"] == {"p": 1}
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assert counter["loads"] == 0 or counter["loads"] == 1, "save 后首次 load 允许一次 parse"
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before = counter["loads"]
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strat_config.load_override(tmp_path, "s1")
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assert counter["loads"] == before, "签名未变时不得重复读盘+parse"
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def test_external_file_change_visible(tmp_path):
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strat_config.save_override(tmp_path, "s1", {"params": {"p": 1}})
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assert strat_config.load_override(tmp_path, "s1")["params"]["p"] == 1
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p: Path = tmp_path / "user_data" / "strategy_overrides" / "s1.json"
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p.write_text(json.dumps({"params": {"p": 2}}), encoding="utf-8")
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st = p.stat()
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os.utime(p, ns=(st.st_atime_ns, st.st_mtime_ns + 1_000_000))
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assert strat_config.load_override(tmp_path, "s1")["params"]["p"] == 2
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def test_save_override_invalidates_cache(tmp_path):
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strat_config.save_override(tmp_path, "s1", {"params": {"p": 1}})
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assert strat_config.load_override(tmp_path, "s1")["params"]["p"] == 1
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strat_config.save_override(tmp_path, "s1", {"params": {"p": 9}})
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assert strat_config.load_override(tmp_path, "s1")["params"]["p"] == 9
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def test_delete_override_invalidates_cache(tmp_path):
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strat_config.save_override(tmp_path, "s1", {"params": {"p": 1}})
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assert strat_config.load_override(tmp_path, "s1") != {}
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strat_config.delete_override(tmp_path, "s1")
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assert strat_config.load_override(tmp_path, "s1") == {}
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assert strat_config.load_override(tmp_path, "s1") == {}
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def test_load_returns_deep_copy_not_cached_object(tmp_path):
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strat_config.save_override(tmp_path, "s1", {"params": {"p": 1}, "basic_filter": {"a": 1}})
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first = strat_config.load_override(tmp_path, "s1")
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first["params"]["p"] = 999
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first["extra"] = True
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again = strat_config.load_override(tmp_path, "s1")
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assert again["params"]["p"] == 1
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assert "extra" not in again
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def test_basic_filter_cleaning_preserved(tmp_path):
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strat_config.save_override(
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tmp_path, "s1", {"basic_filter": {"keep": 1, "drop": None}},
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)
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data = strat_config.load_override(tmp_path, "s1")
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assert data["basic_filter"] == {"keep": 1}
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strat_config.save_override(tmp_path, "s2", {"basic_filter": {"drop": None}})
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assert "basic_filter" not in strat_config.load_override(tmp_path, "s2")
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def test_load_missing_override_returns_empty(tmp_path):
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assert strat_config.load_override(tmp_path, "never_saved") == {}
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