浅念
80 lines
3.4 KiB
Python
80 lines
3.4 KiB
Python
"""A3 三分法流失 + B2 该回未回。"""
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from __future__ import annotations
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from app.analytics import metrics
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from app.db.models import Customer, MsgDailyStats, Staff
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_NOW = 1756950000000 # 相对时间基准(绝对日期无关紧要,断言全部相对此值自洽)
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def _cust(friend_id, *, last_chat=None, user_id="u1", delete=0, block=None):
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return Customer(friend_id=friend_id, channel="wechat",
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owner_account_id="wx1", user_id=user_id,
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last_chat_time=last_chat, delete_flag=delete, is_block=block)
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async def _seed_churn(session):
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now = _NOW
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day_ms = 86_400_000
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session.add(Staff(user_id="u9", name="离职的", is_on_job=False))
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session.add(Staff(user_id="u1", name="在职的", is_on_job=True))
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# 真流失:45 天没聊 + 历史消息 ≥5
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session.add(_cust("c_real", last_chat=now - 45 * day_ms))
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# 历史消息不足 5 → 不算真流失
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session.add(_cust("c_few", last_chat=now - 45 * day_ms))
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# 只沉默 10 天 → 不入 30 档
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session.add(_cust("c_recent", last_chat=now - 10 * day_ms))
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# 从未激活
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session.add(_cust("c_null", last_chat=None))
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# 待交接:归属离职员工
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session.add(_cust("c_hand", user_id="u9", last_chat=now - 3 * day_ms))
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# 已删好友 → 全部剔除
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session.add(_cust("c_del", last_chat=now - 45 * day_ms, delete=1))
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# 历史消息量:real=6(≥5),few=2
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for peer, n in (("c_real", 6), ("c_few", 2)):
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session.add(MsgDailyStats(channel="wechat", owner_account_id="wx1",
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peer_kind="friend", peer_id=peer, day=20260601,
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send_cnt=n, recv_cnt=0, last_ts=now - 50 * day_ms,
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last_is_send=True))
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await session.commit()
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async def test_churn_real_tier30(make_client, monkeypatch):
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monkeypatch.setattr(metrics, "_now_ms", lambda: _NOW)
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async def seed(session):
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await _seed_churn(session)
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page = await metrics.churn(session, channel="wechat", kind="real",
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tier=30, min_msgs=5, page=1, page_size=20)
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ids = [r["friend_id"] for r in page["items"]]
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assert "c_real" in ids and "c_few" not in ids
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assert "c_recent" not in ids and "c_del" not in ids
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real = next(r for r in page["items"] if r["friend_id"] == "c_real")
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assert real["hist_msgs"] == 6 and real["active_days"] == 1
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await make_client(seed)
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async def test_churn_inactive_and_handover(make_client, monkeypatch):
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monkeypatch.setattr(metrics, "_now_ms", lambda: _NOW)
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async def seed(session):
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await _seed_churn(session)
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p1 = await metrics.churn(session, channel="wechat", kind="inactive",
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tier=30, min_msgs=5, page=1, page_size=20)
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assert {r["friend_id"] for r in p1["items"]} == {"c_null"}
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p2 = await metrics.churn(session, channel="wechat", kind="handover",
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tier=30, min_msgs=5, page=1, page_size=20)
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assert {r["friend_id"] for r in p2["items"]} == {"c_hand"}
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await make_client(seed)
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async def test_churn_endpoint_422(make_client):
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async def seed(session):
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...
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client = await make_client(seed)
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r = await client.get("/api/analytics/churn", params={"tier": 45})
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assert r.status_code == 422
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r2 = await client.get("/api/analytics/churn", params={"channel": "sms"})
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assert r2.status_code == 422
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