Files
shaguabijia-app-server/tests/test_comparison_admin_summary.py
T
linkeyu 77f772f47c 性能:比价和领券分位数改为 PostgreSQL 聚合 (#161)
## 背景
- 比价记录页和领券记录页前端已经只拉当前页,并直接展示后端 summary。
- 原后端仍会将筛选区间内的全部耗时值取回 Python 计算分位数,生产数据量增大后会放大数据库读取和应用内存开销。

## 修改内容
- 比价记录:成功耗时 P5/P50/P95/P99、平均耗时以及中途退出耗时 P5/P50/P95 改用 PostgreSQL percentile_cont/AVG 聚合。
- 领券记录:发起数、完成数、平均耗时和完成耗时 P5/P50/P95/P99 合并为一条 PostgreSQL 聚合查询。
- 日期、用户、环境、状态、店铺和商品等筛选条件继续与列表共用,统计口径不变。
- SQLite 不支持 percentile_cont,仅在本地和测试环境回退读取耗时单列;不加载完整业务记录。
- API 字段与前端展示保持不变,无需前端改动。

## 验证
- 比价/领券及关联广告收益、点位、按券统计测试:26 passed。
- 本次涉及文件 ruff 检查通过。
- PostgreSQL SQL 编译测试确认使用 ordered-set percentile_cont 聚合。
- 全量测试:497 passed;8 个现有失败集中在邀请奖励、提现档位和代理转发等无关模块。

---------

Co-authored-by: unknown <798648091@qq.com>
Reviewed-on: #161
Co-authored-by: linkeyu <linkeyu@wonderable.ai>
Co-committed-by: linkeyu <linkeyu@wonderable.ai>
2026-07-23 10:35:41 +08:00

82 lines
2.8 KiB
Python

"""比价记录页后端分页与概览聚合。"""
from __future__ import annotations
from datetime import UTC, date, datetime
import pytest
from sqlalchemy.dialects import postgresql
from app.admin.repositories import queries
from app.db.session import SessionLocal
from app.models.comparison import ComparisonRecord
def test_postgresql_duration_summary_uses_ordered_set_aggregates() -> None:
stmt = queries._comparison_duration_aggregate_stmt(
[], "success", (0.05, 0.5, 0.95, 0.99)
)
sql = str(
stmt.compile(
dialect=postgresql.dialect(),
compile_kwargs={"literal_binds": True},
)
)
assert sql.count("percentile_cont") == 4
assert "comparison_record.status = 'success'" in sql
def test_summary_uses_only_success_durations_and_filters_beijing_date() -> None:
db = SessionLocal()
try:
rows = [
("summary-success-a", "success", 1000, 1.0, 100),
("summary-success-b", "success", 3000, 2.0, 0),
("summary-failed", "failed", 100_000, 3.0, 0),
("summary-cancelled", "cancelled", 5000, 4.0, 0),
]
for trace_id, status, total_ms, cost, saved in rows:
db.add(ComparisonRecord(
trace_id=trace_id,
status=status,
total_ms=total_ms,
llm_cost_yuan=cost,
saved_amount_cents=saved,
created_at=datetime(2038, 1, 15, 12, tzinfo=UTC),
))
db.add(ComparisonRecord(
trace_id="summary-outside-day",
status="success",
total_ms=999_999,
created_at=datetime(2038, 1, 16, 16, tzinfo=UTC),
))
db.flush()
summary = queries.comparison_records_summary(
db, date_from=date(2038, 1, 15), date_to=date(2038, 1, 15)
)
assert summary["started"] == 4
assert summary["completed"] == 3
assert summary["success"] == 2
assert summary["success_rate"] == pytest.approx(2 / 3)
assert summary["avg_token_cost"] == pytest.approx(2.5)
assert summary["lower_price_rate"] == 0.5
assert summary["avg_duration_ms"] == 2000
assert summary["p5_duration_ms"] == 1100
assert summary["p50_duration_ms"] == 2000
assert summary["p95_duration_ms"] == 2900
assert summary["p99_duration_ms"] == 2980
assert summary["cancelled"] == 1
assert summary["cancelled_rate"] == 0.25
assert summary["cancelled_p50_ms"] == 5000
items, _next_cursor, total = queries.list_comparison_records(
db, date_from=date(2038, 1, 15), date_to=date(2038, 1, 15), limit=20
)
assert total == 4
assert {item.trace_id for item in items} == {row[0] for row in rows}
finally:
db.rollback()
db.close()