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Profeto/tests/test_p0_standings_cutoff.py
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shangfangjian 49d78136a1 fix(P0-02): 积分榜改为追加快照(append-only) + available_at cutoff
去掉 uq_standings_league_season_team,改为 (league, season, team, available_at) 唯一;
每次采集 INSERT 新行(available_at=now),ON CONFLICT DO NOTHING,不覆盖旧行。

standings_slice(before):DISTINCT ON (team_id) WHERE available_at<=cutoff
ORDER available_at DESC;before=None → cutoff=now()。
公开 list_standings 取每队最新可用快照(子查询 max available_at)。

迁移 0023 + 切片/路由/docs 同步;测试 test_p0_standings_cutoff(5/5)。
284 测试全绿。
2026-09-22 02:45:50 +08:00

139 lines
5.0 KiB
Python

"""P0-02 回归测试: 积分榜改为追加快照(append-only) + available_at cutoff。
运行: pytest tests/test_p0_standings_cutoff.py -v
(模型约束用 fake DB;cutoff 过滤语义用 fake session 验证参数传递。)
"""
import pytest
from sqlalchemy import select
from src.db.models import League, Standing, Team
# ── fake DB(对齐现有测试约定) ────────────────────────────────────
class _FakeResult:
def __init__(self, items): self._items = list(items)
def scalars(self):
class _S:
def __init__(self, items): self._items = items
def all(self): return list(self._items)
return _S(self._items)
def scalar_one_or_none(self):
return self._items[0] if self._items else None
class _FakeDB:
captured: list = []
def __init__(self, league=None, standing_rows=None):
self._league = league
self._rows = standing_rows or []
_FakeDB.captured = []
def add(self, obj):
_FakeDB.captured.append(obj)
async def execute(self, stmt):
# 记录生成的 SQL(字符串化)供断言
_FakeDB.captured.append(str(stmt))
compiled = str(stmt)
if "league" in compiled.lower() and "standing" not in compiled.lower():
return _FakeResult([self._league] if self._league else [])
return _FakeResult(self._rows)
async def flush(self):
pass
class _FakeTeam:
def __init__(self, tid, name):
self.id = tid
self.name = name
self.name_zh = None
class _Header:
def __init__(self):
from src.llm.slices.common import MatchHeader
self._h = MatchHeader(
match_id=1, home_name="A", away_name="B", league_name="E0",
season="2026", match_date="2026-01-01", match_dt=None,
stage=None, home_team_id=10, away_team_id=20, league_id=1,
)
def __getattr__(self, name):
return getattr(self._h, name)
class TestStandingsModel:
"""standings 模型必须有 available_at + 新唯一约束。"""
def test_available_at_column(self):
cols = {c.name for c in Standing.__table__.columns}
assert "available_at" in cols
def test_unique_constraint_includes_available_at(self):
names = {c.name for c in Standing.__table__.constraints}
assert any("available" in n and n.startswith("uq_") for n in names), \
f"缺少含 available_at 的唯一约束,现有: {names}"
def test_old_unique_constraint_removed(self):
names = {c.name for c in Standing.__table__.constraints}
assert "uq_standings_league_season_team" not in names, \
"旧约束 uq_standings_league_season_team 应已被替换"
class TestStandingsSliceCutoff:
"""standings_slice 必须尊重 before(cutoff):before=None → now()。"""
def test_before_none_uses_now(self):
"""before=None 时应将 cutoff 视为 now()(取最新可用快照)。"""
from src.llm.slices import standings as st_mod
from datetime import datetime, timezone
calls = {}
real_execute = None
class _DB:
def __init__(self): self._league = League(id=1, code="E0", name="E0")
def add(self, obj): pass
async def execute(self, stmt):
# 捕获 WHERE available_at <= ? 的参数
sql = str(stmt)
if "available_at" in sql:
# 提取编译后的 params
try:
params = stmt.compile().params
calls["cutoff"] = params.get("available_at_1")
except Exception:
pass
if "league" in sql.lower() and "standing" not in sql.lower():
return _FakeResult([self._league])
return _FakeResult([])
async def flush(self): pass
async def run():
db = _DB()
before = None
await st_mod.standings_slice(_Header(), before=before, db=db)
import asyncio
asyncio.run(run())
# before=None 时应注入 now() 作为 cutoff
assert "cutoff" in calls, "未对 available_at 施加 cutoff 过滤"
assert calls["cutoff"] is not None
class TestStandingsAppendOnly:
"""采集应 INSERT 新行(带 available_at),不覆盖旧行。"""
def test_values_include_available_at(self):
"""采集构造的 Standing 必须含 available_at 字段。"""
from src.data import bzzoiro_standings as bzs
# 检查函数源码是否包含 available_at(编译期守卫)
import inspect
src = inspect.getsource(bzs.ingest_bzzoiro_standings)
assert "available_at" in src, "采集函数必须设置 available_at"
# 不应再出现按 (league, season, team) 的 upsert 查询
assert "scalar_one_or_none" not in src or "Standing.league_id == league.id" not in src.replace("available_at", ""), \
"不应再按 (league, season, team) 做 upsert 查询"