469 lines
25 KiB
Python
469 lines
25 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""M5b 自测（pbl_evidence 证据聚合与查询契约）—— 纯 stdlib，无需 DB / 无需 pytest。
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覆盖设计 docs/01-design/modules/pbl_evidence.md §3.2 的 M5b 需求点：
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1. **四类证据幂等采集**：``pbl_evidence_collect_idempotent`` 首次 ``created=True``，
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重复（同 idempotency_key / 同唯一索引三元组）``created=False`` 且不产生第二行；
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2. **idempotency_key 归一**：显式键原样透传；缺省键由 ``tenant|source_event_id|
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evidence_type`` 派生且稳定（重放同键）；非四类 evidence_type 报 ``PBL_E_VALIDATION``；
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3. **聚合契约**：``pbl_evidence_aggregate`` 四类计数 + 覆盖度 + 分组 + 时间水位；
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4. **列表查询契约**：``pbl_evidence_query`` 分页 total/rows + payload 解析 + 水位；
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5. **主体档案契约**：``pbl_evidence_subject_summary`` 学生 / 团队四类分组明细；
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6. **Q-OPEN-10**：预览 / Playtest 数据（payload 标记、显式预览会话、STUDENT 私有可见性）
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默认剔除，``include_preview=True`` 才纳入，且 ``preview_filter`` 回显剔除口径；
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7. **租户 fail-closed**：无 tenant_id 直接 ``PBL_E_TENANT_MISSING``，不落到 SQL。
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内存版 DB 会**校验拼出的 SQL**（列清单、LIMIT 占位、无 ``None`` 泄漏）并按 params 过滤，
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因此不只是「函数不报错」，而是验证了查询参数与 SQL 的对应关系。
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运行：
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cd modules/pbl_evidence && python3 scripts/selftest_m5b.py
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# 或： python3 -m pytest scripts/selftest_m5b.py -q （test_* 函数可直接被收集）
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"""
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import asyncio
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import json
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import os
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import sys
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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for sib in ('pbl_common',):
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p = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(
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os.path.abspath(__file__)))), sib)
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if os.path.isdir(p) and p not in sys.path:
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sys.path.insert(0, p)
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from pbl_common.api import PblError # noqa: E402
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import pbl_evidence.aggregation as A # noqa: E402
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TENANT = '1'
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EVIDENCE_COLS = ['id', 'tenant_id', 'artifact_id', 'evidence_type', 'source_event_id',
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'session_id', 'learner_id', 'blueprint_id', 'payload_json',
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'occurred_at', 'dedup_key', 'collect_batch_id', 'created_at', 'updated_at']
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ARTIFACT_COLS = ['id', 'tenant_id', 'artifact_uid', 'session_id', 'blueprint_id',
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'team_id', 'creator_id', 'title', 'artifact_type', 'content_json',
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'version_no', 'status', 'submitted_at', 'created_at', 'updated_at']
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_CAPTURED = {'sql': [], 'params': []}
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def _row(idx, etype, learner='S01', session='101', blueprint='9', artifact=0,
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occurred=None, payload=None, source=None):
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# 默认值不能在签名里引用形参 idx（定义时求值 -> NameError），挪到函数体内。
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if occurred is None:
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occurred = '2026-09-20 10:00:%02d' % (idx % 9)
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return {
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'id': idx, 'tenant_id': TENANT, 'artifact_id': artifact, 'evidence_type': etype,
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'source_event_id': source or ('EV%03d' % idx), 'session_id': session,
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'learner_id': learner, 'blueprint_id': blueprint,
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'payload_json': json.dumps(payload or {'event_type': 'mission.completed'},
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ensure_ascii=False),
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'occurred_at': occurred, 'dedup_key': 'K%03d' % idx,
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}
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def seed_rows():
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"""正式环境证据 5 条（四类齐）+ 预览/Playtest 证据 4 条（应被默认过滤）。"""
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return [
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_row(1, 'decision'),
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_row(2, 'action'),
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_row(3, 'observation', learner='S02'),
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_row(4, 'artifact_version', artifact=77, learner='S02'),
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_row(5, 'decision', learner='S03', occurred='2026-09-21 08:00:00'),
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# ── 预览 / Playtest 族（Q-OPEN-10 默认剔除）────────────────
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_row(6, 'action', payload={'pbl_preview': True, 'event_type': 'mission.completed'}),
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_row(7, 'observation', payload={'env_mode': 'playtest'}),
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_row(8, 'decision', session='999',
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payload={'event_type': 'team.decision'}), # 显式预览会话 999
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_row(9, 'artifact_version', artifact=88,
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payload={'visibility': 'student', 'content_ref': 'draft'}), # STUDENT 私有
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]
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class FakeDB:
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"""内存版证据库：按 params 过滤，同时校验 SQL 文本合法性。"""
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def __init__(self, rows):
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self.rows = rows
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async def table_columns(self, table):
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if table == 'pbl_evidence':
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return list(EVIDENCE_COLS)
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if table == 'pbl_artifact':
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return list(ARTIFACT_COLS)
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return []
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@staticmethod
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def _match(row, params):
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for key, val in (params or {}).items():
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if key in ('scan_limit', 'time_from', 'time_to') or key.startswith('etype'):
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continue
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if key in row and str(row[key]) != str(val):
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return False
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if 'time_from' in (params or {}) and row.get('occurred_at'):
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if str(row['occurred_at']) < str(params['time_from']):
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return False
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if 'time_to' in (params or {}) and row.get('occurred_at'):
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if str(row['occurred_at']) > str(params['time_to']):
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return False
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types = [v for k, v in (params or {}).items() if k.startswith('etype')]
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if types and str(row.get('evidence_type')) not in [str(t) for t in types]:
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return False
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return True
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async def q_all(self, sql, params=None):
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_CAPTURED['sql'].append(sql)
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_CAPTURED['params'].append(dict(params or {}))
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low = sql.lower()
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assert 'none' not in low.replace('is null', ''), 'SQL 泄漏 None：%s' % sql
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if 'from `pbl_evidence`' in low:
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assert 'limit ${scan_limit}$' in low, '缺少扫描上限（防全表拖库）：%s' % sql
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assert 'tenant_id' in low, '证据查询必须带租户条件：%s' % sql
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limit = int((params or {}).get('scan_limit') or A.MAX_SCAN_ROWS)
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rows = [r for r in self.rows if self._match(r, params)]
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rows.sort(key=lambda r: (str(r.get('occurred_at') or ''), int(r.get('id') or 0)),
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reverse=True)
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return rows[:limit]
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if 'count(*)' in low and 'pbl_artifact' in low:
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return [{'c': 2}]
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return []
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async def q_one(self, sql, params=None):
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rows = await self.q_all(sql, params)
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return rows[0] if rows else None
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def install_fake(rows, tenant=TENANT):
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"""把 aggregation 的 IO 依赖换成内存实现（不碰真实 DB）。"""
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db = FakeDB(rows)
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A.table_columns = db.table_columns
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A.q_all = db.q_all
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A.q_one = db.q_one
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A.tenant_id = lambda *a, **k: tenant
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return db
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def run(coro):
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return asyncio.get_event_loop().run_until_complete(coro)
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# ══════════════════════════════════════════════════════════════════════
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# 1. 幂等采集（含 created 布尔 + 重复不产生第二行）
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# ══════════════════════════════════════════════════════════════════════
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def test_idempotent_collect_created_flag():
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rows = seed_rows()
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install_fake(rows)
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store = {}
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async def fake_collect(**kw):
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key = (str(kw.get('tenant_id') or TENANT), str(kw.get('source_event_id')),
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str(kw.get('evidence_type')))
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if key in store:
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return {'ok': True, 'deduped': True, 'id': store[key],
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'unique_index': 'uk_ev_dedup', 'evidence_type': key[2]}
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nid = 1000 + len(store)
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store[key] = nid
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rows.append(_row(nid, key[2], source=key[1]))
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return {'ok': True, 'deduped': False, 'id': nid, 'unique_index': 'uk_ev_dedup',
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'evidence_type': key[2]}
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import pbl_evidence.api as api
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origin = api.pbl_evidence_collect
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api.pbl_evidence_collect = fake_collect
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try:
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first = run(A.pbl_evidence_collect_idempotent(
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source_event_id='EV900', evidence_type='decision', learner_id='S01',
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blueprint_id='9', session_id='101', payload={'choice': 'A'}))
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assert first['created'] is True, first
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assert first['deduped'] is False, first
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assert first['idempotency_key'].startswith('IK') and len(first['idempotency_key']) == 26
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assert first['idempotency_key_derived'] is True, first
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second = run(A.pbl_evidence_collect_idempotent(
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source_event_id='EV900', evidence_type='decision', learner_id='S01',
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blueprint_id='9', session_id='101', payload={'choice': 'A'}))
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assert second['created'] is False, second
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assert second['deduped'] is True, second
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assert second['id'] == first['id'], (first, second)
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assert second['idempotency_key'] == first['idempotency_key'], '派生键必须稳定'
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assert len(store) == 1, '重复采集不得产生第二行：%s' % store
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# 显式 idempotency_key 原样透传
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third = run(A.pbl_evidence_collect_idempotent(
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source_event_id='EV901', evidence_type='action', idempotency_key='IK-EXTERNAL-01',
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learner_id='S01'))
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assert third['idempotency_key'] == 'IK-EXTERNAL-01', third
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assert third['idempotency_key_derived'] is False, third
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finally:
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api.pbl_evidence_collect = origin
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def test_collect_rejects_non_fourth_type():
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install_fake(seed_rows())
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try:
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run(A.pbl_evidence_collect_idempotent(source_event_id='EV902',
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evidence_type='research_upload'))
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raise AssertionError('非四类 evidence_type 必须被拒')
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except PblError as exc:
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assert exc.code == 'PBL_E_VALIDATION', exc.code
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def test_tenant_fail_closed():
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install_fake(seed_rows(), tenant=None)
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for fn, kw in ((A.pbl_evidence_aggregate, {}), (A.pbl_evidence_query, {}),
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(A.pbl_evidence_subject_summary, {'subject_id': 'S01'}),
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(A.pbl_evidence_collect_idempotent, {'source_event_id': 'EV1'})):
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try:
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run(fn(**kw))
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raise AssertionError('%s 缺租户时必须 fail-closed' % fn.__name__)
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except PblError as exc:
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assert exc.code == 'PBL_E_TENANT_MISSING', (fn.__name__, exc.code)
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# ══════════════════════════════════════════════════════════════════════
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# 2. 聚合契约
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# ══════════════════════════════════════════════════════════════════════
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def test_aggregate_four_types_and_coverage():
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install_fake(seed_rows())
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res = run(A.pbl_evidence_aggregate(group_by='learner'))
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assert res['ok'] is True and res['status'] == 'OK', res
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assert res['total'] == 5, res['total'] # 9 行中 4 行预览族被默认剔除
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assert res['by_type'] == {'decision': 2, 'action': 1, 'observation': 1,
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'artifact_version': 1}, res['by_type']
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assert res['coverage']['covered_types'] == 4, res['coverage']
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assert res['coverage']['missing_types'] == [], res['coverage']
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keys = {g['group_key'] for g in res['groups']}
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assert keys == {'S01', 'S02', 'S03'}, keys
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assert res['watermark']['max_occurred_at'] == '2026-09-21 08:00:00', res['watermark']
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assert res['preview_filter']['excluded_preview'] == 3, res['preview_filter']
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assert res['preview_filter']['excluded_student'] == 1, res['preview_filter']
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assert res['preview_filter']['applied'] is True, res['preview_filter']
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assert res['truncated'] is False, res
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# 默认口径下应保留的行（正式环境证据，四类齐）= id 1..5；其余 4 行必须被默认剔除：
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# id6 payload 预览标记 / id7 env_mode=playtest / id8 预览保留会话 999 / id9 STUDENT 私有
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KEPT_DEFAULT = {1, 2, 3, 4, 5}
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PREVIEW_DEFAULT = {6, 7, 8}
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STUDENT_DEFAULT = {9}
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# 发生在 2026-09-20 当天且默认口径保留的行（occurred_at 由 _row 按 idx 生成）：
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# id1 10:00:01 / id2 10:00:02 / id3 10:00:03 / id4 10:00:04 / id9 10:00:08(STUDENT 私有
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# 被剔除) / id6 10:00:06、id7 10:00:07、id8 10:00:08(预览族被剔除)；id5 在 09-21。
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KEPT_0920 = {1, 2, 3, 4}
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def test_aggregate_group_by_type_and_time_range():
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install_fake(seed_rows())
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res = run(A.pbl_evidence_aggregate(group_by='type',
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time_from='2026-09-21 00:00:00',
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time_to='2026-09-21 23:59:59'))
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assert res['total'] == 1, res
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assert res['groups'][0]['group_key'] == 'decision', res['groups']
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res2 = run(A.pbl_evidence_aggregate(group_by='session',
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time_range={'from': '2026-09-20 00:00:00',
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'to': '2026-09-20 23:59:59'}))
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assert res2['group_by'] == 'session_id', res2
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# 09-20 时间窗内扫描到 8 行（id5 在 09-21 被时间窗排除），其中默认口径保留 id 1,2,3,4
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# （id6/7 payload 预览标记、id8 预览保留会话 999、id9 STUDENT 私有被 Q-OPEN-10 排除）；
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# 保留行的 session_id 全是 101（id8 属 999 已被剔除），故分组只剩一组
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assert res2['total'] == 4, res2['total']
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assert [g['group_key'] for g in res2['groups']] == ['101'], res2['groups']
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assert res2['groups'][0]['total'] == 4, res2['groups']
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assert res2['by_type'] == {'decision': 1, 'action': 1, 'observation': 1,
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'artifact_version': 1}, res2['by_type']
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assert res2['coverage']['covered_types'] == 4, res2['coverage']
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def test_aggregate_evidence_types_filter():
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install_fake(seed_rows())
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res = run(A.pbl_evidence_aggregate(evidence_types=['decision', 'action']))
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assert set(res['by_type']) == {'decision', 'action', 'observation', 'artifact_version'}
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# 四类 ∩ {decision, action} 且通过默认过滤的保留行 = id 1、5（decision）+ id 2（action）；
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# id6（payload 预览标记）/id8（预览会话 999）虽属该两类，也被 Q-OPEN-10 默认口径剔除
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assert res['total'] == 3, res['total']
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assert res['by_type'] == {'decision': 2, 'action': 1, 'observation': 0,
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'artifact_version': 0}, res['by_type']
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assert res['coverage']['missing_types'] == ['observation', 'artifact_version'], res['coverage']
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try:
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run(A.pbl_evidence_aggregate(evidence_types='decision,bogus'))
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raise AssertionError('非法 evidence_types 必须被拒')
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except PblError as exc:
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assert exc.code == 'PBL_E_VALIDATION', exc.code
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# ══════════════════════════════════════════════════════════════════════
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# 3. 列表查询契约（分页 + payload + 水位）
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# ══════════════════════════════════════════════════════════════════════
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def test_query_pagination_and_payload():
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install_fake(seed_rows())
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res = run(A.pbl_evidence_query(page=1, rows=2))
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assert res['total'] == 5, res['total']
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assert len(res['rows']) == 2, len(res['rows'])
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assert res['rows'][0]['payload'].get('event_type'), res['rows'][0]
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page2 = run(A.pbl_evidence_query(page=2, rows=2))
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ids = {r['id'] for r in res['rows']} ^ {r['id'] for r in page2['rows']}
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assert len(ids) == 4, ids # 翻页不重叠
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tail = run(A.pbl_evidence_query(page=3, rows=2))
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assert len(tail['rows']) == 1, tail['rows']
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assert {r['id'] for r in tail['rows']} == {1}, tail['rows'] # occurred_at 倒序末位
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assert run(A.pbl_evidence_query(page=9, rows=20))['rows'] == []
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def test_query_filters_by_learner_and_type():
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install_fake(seed_rows())
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res = run(A.pbl_evidence_query(learner_id='S02'))
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assert res['total'] == 2, res['total']
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assert {r['id'] for r in res['rows']} == {3, 4}, res['rows']
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assert {r['learner_id'] for r in res['rows']} == {'S02'}, res['rows']
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res2 = run(A.pbl_evidence_query(evidence_type='decision'))
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assert res2['total'] == 2, res2['total']
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# ══════════════════════════════════════════════════════════════════════
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# 4. 主体档案契约（学生 / 团队）
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# ══════════════════════════════════════════════════════════════════════
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def test_subject_summary_student_and_team():
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install_fake(seed_rows())
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stu = run(A.pbl_evidence_subject_summary(subject_type='student', subject_id='S02'))
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assert stu['ok'] is True, stu
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assert stu['evidence_total'] == 2, stu['evidence_total']
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# S02 的保留行 = id3 observation + id4 artifact_version；decision/action 恒 0 但键必须在
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assert stu['by_type'] == {'decision': 0, 'action': 0, 'observation': 1,
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'artifact_version': 1}, stu['by_type']
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assert set(stu['evidence']) == {'decision', 'action', 'observation', 'artifact_version'}
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assert [e['id'] for e in stu['evidence']['observation']] == [3], stu['evidence']
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assert stu['evidence']['decision'] == [], '四类恒有键（缺数据为空数组，前端稳定渲染）'
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assert stu['artifact_count'] == 2, stu['artifact_count']
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tea = run(A.pbl_evidence_subject_summary(subject_type='team', team_id='101',
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blueprint_id='9'))
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assert tea['subject_id'] == '101', tea
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# 会话 101 的保留行 = id 1,2,3,4,5；id6/id7（payload 预览标记）与 id9（STUDENT 私有）
|
||
# 被剔除（id8 属预览保留会话 999，本就不在 session=101 的扫描范围内）
|
||
assert tea['evidence_total'] == 5, tea['evidence_total']
|
||
assert tea['by_type'] == {'decision': 2, 'action': 1, 'observation': 1,
|
||
'artifact_version': 1}, tea['by_type']
|
||
assert sorted(i['id'] for i in tea['evidence']['decision']) == [1, 5], tea['evidence']
|
||
assert tea['preview_filter']['excluded_preview'] == 2, tea['preview_filter']
|
||
assert tea['preview_filter']['excluded_student'] == 1, tea['preview_filter']
|
||
try:
|
||
run(A.pbl_evidence_subject_summary(subject_type='school', subject_id='X'))
|
||
raise AssertionError('非法 subject_type 必须被拒')
|
||
except PblError as exc:
|
||
assert exc.code == 'PBL_E_PARAM', exc.code
|
||
try:
|
||
run(A.pbl_evidence_subject_summary(subject_type='student'))
|
||
raise AssertionError('缺 subject_id 必须被拒')
|
||
except PblError as exc:
|
||
assert exc.code == 'PBL_E_PARAM', exc.code
|
||
|
||
|
||
# ══════════════════════════════════════════════════════════════════════
|
||
# 5. Q-OPEN-10 预览 / Playtest 默认过滤
|
||
# ══════════════════════════════════════════════════════════════════════
|
||
def test_qopen10_preview_excluded_by_default():
|
||
install_fake(seed_rows())
|
||
default = run(A.pbl_evidence_query())
|
||
withprev = run(A.pbl_evidence_query(include_preview=True,
|
||
include_student_private=True,
|
||
preview_session_ids=['999']))
|
||
assert default['total'] == 5, default['total']
|
||
assert {r['id'] for r in default['rows']} == KEPT_DEFAULT, default['rows']
|
||
assert default['preview_filter']['excluded_preview'] == len(PREVIEW_DEFAULT), default['preview_filter']
|
||
assert default['preview_filter']['excluded_student'] == len(STUDENT_DEFAULT), default['preview_filter']
|
||
assert withprev['total'] == 9, withprev['total']
|
||
assert withprev['preview_filter']['applied'] is False, withprev['preview_filter']
|
||
assert withprev['by_type']['observation'] == 2, withprev['by_type']
|
||
|
||
|
||
def test_qopen10_default_preview_session_range():
|
||
"""Q-OPEN-10 号段口径：预览保留会话默认剔除；显式 False 可关闭；追加号段生效。"""
|
||
install_fake(seed_rows())
|
||
res = run(A.pbl_evidence_query())
|
||
assert 8 not in {r['id'] for r in res['rows']}, res['rows']
|
||
assert res['preview_filter']['excluded_preview'] == 3, res['preview_filter']
|
||
assert res['preview_filter']['default_preview_session_ids'] == ['999'], res['preview_filter']
|
||
off = run(A.pbl_evidence_query(include_default_preview_sessions=False))
|
||
assert 8 in {r['id'] for r in off['rows']}, off['rows']
|
||
assert off['total'] == 6, off['total']
|
||
extra = run(A.pbl_evidence_query(preview_session_ids=['101']))
|
||
assert extra['total'] == 0, extra['total'] # 正式会话被声明为预览后全部剔除
|
||
assert extra['preview_filter']['excluded_preview'] == 9, extra['preview_filter']
|
||
|
||
|
||
def test_qopen10_rules_pure():
|
||
prev, rule = A.is_preview_row({'payload_json': json.dumps({'pbl_preview': True}),
|
||
'session_id': '1'})
|
||
assert prev and rule == 'payload:pbl_preview', rule
|
||
prev, rule = A.is_preview_row({'payload_json': json.dumps({'env_mode': 'playtest'}),
|
||
'session_id': '1'})
|
||
assert prev and rule == 'payload:env_mode', rule
|
||
prev, rule = A.is_preview_row({'payload_json': json.dumps({'mode': 'demo'}),
|
||
'session_id': '1'})
|
||
assert prev and rule == 'payload:mode', rule
|
||
prev, rule = A.is_preview_row({'payload_json': json.dumps({'event_type': 'x'}),
|
||
'session_id': '999'}, ['999'])
|
||
assert prev and rule == 'preview_session:999', rule
|
||
prev, _ = A.is_preview_row({'payload_json': '{bad json', 'session_id': '1'})
|
||
assert prev is False, '坏 JSON 不得误判为预览'
|
||
priv, rule = A.is_student_private({'payload_json': json.dumps({'visibility': 'STUDENT'})})
|
||
assert priv and rule.startswith('payload:visibility'), rule
|
||
priv, _ = A.is_student_private({'payload_json': json.dumps({'visibility': 'teacher'})})
|
||
assert priv is False
|
||
kept, stats = A.apply_default_filters(
|
||
[{'id': 1, 'payload_json': '{}', 'session_id': '1', 'learner_id': 'S01'}],
|
||
{'subject_type': 'student', 'subject_id': 'S02'})
|
||
assert kept == [] and stats['excluded_subject'] == 1, stats
|
||
key, derived = A.resolve_idempotency_key({'tenant_id': '1', 'source_event_id': 'EV1',
|
||
'evidence_type': 'action'})
|
||
key2, _ = A.resolve_idempotency_key({'tenant_id': '1', 'source_event_id': 'EV1',
|
||
'evidence_type': 'action'})
|
||
assert key == key2 and derived is True, (key, key2)
|
||
assert A.resolve_idempotency_key({'idempotency_key': 'abc'})[0] == 'abc'
|
||
|
||
|
||
def test_sql_shape_and_column_pruning():
|
||
install_fake(seed_rows())
|
||
_CAPTURED['sql'].clear()
|
||
run(A.pbl_evidence_aggregate(group_by='learner'))
|
||
sql = [s for s in _CAPTURED['sql'] if 'from `pbl_evidence`' in s.lower()][0]
|
||
assert 'select `id`, `evidence_type`' in sql.lower(), sql
|
||
assert '`source_event_id`' in sql and '`dedup_key`' in sql and '`payload_json`' in sql, sql
|
||
assert 'order by `occurred_at` desc' in sql.lower(), sql
|
||
assert 'limit ${scan_limit}$' in sql.lower(), sql
|
||
|
||
|
||
def test_watermark_contract():
|
||
install_fake(seed_rows())
|
||
agg = run(A.pbl_evidence_aggregate(group_by='blueprint'))
|
||
wm = agg['watermark']
|
||
assert wm['count'] == 5 and wm['max_id'] == 5, wm
|
||
assert wm['min_occurred_at'] == '2026-09-20 10:00:01', wm
|
||
q = run(A.pbl_evidence_query(learner_id='S03'))
|
||
assert q['watermark']['max_occurred_at'] == '2026-09-21 08:00:00', q['watermark']
|
||
|
||
|
||
# 不能直接对 function 对象排序（'<' not supported between functions），
|
||
# 按函数名排序保证输出顺序稳定可复现。
|
||
ALL_TESTS = sorted([v for k, v in list(globals().items())
|
||
if k.startswith('test_') and callable(v)],
|
||
key=lambda fn: fn.__name__)
|
||
|
||
|
||
def main():
|
||
passed, failed = 0, 0
|
||
for fn in ALL_TESTS:
|
||
try:
|
||
fn()
|
||
except Exception as exc:
|
||
failed += 1
|
||
print('FAIL %s: %s' % (fn.__name__, exc))
|
||
else:
|
||
passed += 1
|
||
print('PASS %s' % fn.__name__)
|
||
print('\n== M5b selftest: %d passed, %d failed, %d total ==' % (passed, failed, len(ALL_TESTS)))
|
||
return 1 if failed else 0
|
||
|
||
|
||
if __name__ == '__main__':
|
||
sys.exit(main())
|