gahusb
030365bed0
3개의 TTLCache (portfolio 120s · news 600s · screener 180s) + 헬퍼 함수. screener key는 mode + top_n + weights canonical hash로 분기. 다음 커밋에서 /api/webai/portfolio·news-sentiment·screener/run 3 endpoint에 적용. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
"""SP-A2 — webai_cache module의 cache hit/miss + key 분기 검증."""
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import time
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import pytest
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from app.webai_cache import (
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PORTFOLIO_CACHE, NEWS_CACHE, SCREENER_CACHE,
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cache_get_portfolio, cache_set_portfolio,
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cache_get_news, cache_set_news,
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cache_get_screener, cache_set_screener,
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_screener_key,
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)
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def _clear_all():
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PORTFOLIO_CACHE.clear()
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NEWS_CACHE.clear()
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SCREENER_CACHE.clear()
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def test_portfolio_cache_miss_then_hit():
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_clear_all()
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assert cache_get_portfolio() is None
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cache_set_portfolio({"holdings": [], "cash": 0})
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assert cache_get_portfolio() == {"holdings": [], "cash": 0}
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def test_news_cache_key_by_date():
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"""date가 다르면 별도 캐시 슬롯."""
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_clear_all()
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cache_set_news("2026-05-18", {"count": 5})
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cache_set_news("2026-05-17", {"count": 3})
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assert cache_get_news("2026-05-18") == {"count": 5}
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assert cache_get_news("2026-05-17") == {"count": 3}
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assert cache_get_news("2026-05-16") is None # not cached
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def test_news_cache_latest_key_normalized():
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"""date=None은 'latest' 키로 정규화되어 동일 슬롯."""
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_clear_all()
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cache_set_news(None, {"count": 9})
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assert cache_get_news(None) == {"count": 9}
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def test_screener_key_includes_mode_and_top_n():
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"""screener key는 mode + top_n + weights hash로 분기."""
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k_preview = _screener_key("preview", 20, None)
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k_preview_w = _screener_key("preview", 20, {"news": 0.3})
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k_auto = _screener_key("auto", 20, None)
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assert k_preview != k_preview_w
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assert k_preview != k_auto
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def test_screener_cache_roundtrip():
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_clear_all()
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payload = {"asof": "2026-05-18", "survivors_count": 17}
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cache_set_screener("preview", 20, None, payload)
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assert cache_get_screener("preview", 20, None) == payload
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assert cache_get_screener("preview", 20, {"news": 0.3}) is None
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def test_ttl_expiry_portfolio():
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"""짧은 ttl로 만료 확인 — 직접 시간 조작 대신 TTLCache 내부 동작 신뢰."""
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from cachetools import TTLCache
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short = TTLCache(maxsize=1, ttl=0.1) # 0.1초
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short["result"] = "x"
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assert short.get("result") == "x"
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time.sleep(0.2)
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assert short.get("result") is None
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