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343 lines
14 KiB
Python
343 lines
14 KiB
Python
"""画像版本生成器单元测试（`docs/00` §6.4.6 的四条规则）。
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覆盖四个方向，都要有牙：
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1. **同事务两条事件**：一次生成必须同时投 `MILVUS` 与 `NEO4J` 两条，共用同一 `event_uuid`。
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2. **幂等**：`snapshot_hash` 未变 → **不升版本、不投事件**（否则每次调用都灌 outbox）。
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3. **旧版本置 0**：清旧当前标记必须发生在插新版本**之前**（唯一键约束）。
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4. **失败关闭**：客户主表没有该行 → 抛错，不凭空造画像。
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5. **字段对齐**：写入快照必须覆盖读取侧白名单所需字段（否则端点会返回空画像）。
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"""
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from __future__ import annotations
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import json
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from datetime import UTC, datetime, timedelta
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from typing import Any
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import pytest
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from app.core.errors import ValidationAgentError
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from app.core.profile_projection import project_profile
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from app.service.profile_generation_service import (
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REQUIRED_SNAPSHOT_FIELDS,
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SYNC_OPERATION_UPSERT,
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SYNC_STATUS_PENDING,
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SYNC_TARGETS,
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ProfileGenerationService,
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build_snapshot,
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compute_hash,
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)
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NOW = datetime(2026, 9, 11, 12, 0, tzinfo=UTC)
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# ---------------------------------------------------------------------------
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# 替身：只实现 ProfileRepository 用到的方法
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# ---------------------------------------------------------------------------
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class FakeRepository:
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"""记录调用顺序与写入内容；`executed` 用来断言"先清旧、后插新"。"""
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def __init__(
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self,
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*,
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profile: dict[str, Any] | None = None,
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assessment: dict[str, Any] | None = None,
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current: dict[str, Any] | None = None,
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next_version: int = 2,
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memories: list[dict[str, Any]] | None = None,
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) -> None:
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self._profile = profile
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self._assessment = assessment
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self._current = current
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self._next_version = next_version
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self._memories = memories or []
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self.executed: list[str] = []
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self.inserted_snapshot: dict[str, Any] | None = None
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self.sync_events: list[dict[str, Any]] = []
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async def profile_row(self, _cid: int) -> dict[str, Any] | None:
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self.executed.append("profile_row")
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return self._profile
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async def latest_assessment(self, _cid: int) -> dict[str, Any] | None:
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self.executed.append("latest_assessment")
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return self._assessment
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async def current_snapshot(self, _cid: int) -> dict[str, Any] | None:
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self.executed.append("current_snapshot")
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return self._current
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async def active_memories(self, _cid: int) -> list[dict[str, Any]]:
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self.executed.append("active_memories")
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return self._memories
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async def next_version(self, _cid: int) -> int:
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self.executed.append("next_version")
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return self._next_version
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async def clear_current(self, _cid: int, *, now: datetime) -> None:
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self.executed.append("clear_current")
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async def insert_snapshot(self, **kwargs: Any) -> None:
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self.executed.append("insert_snapshot")
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self.inserted_snapshot = kwargs
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def add_sync_event(self, **kwargs: Any) -> None:
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self.executed.append("add_sync_event")
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self.sync_events.append(kwargs)
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def service(monkeypatch: pytest.MonkeyPatch, repo: FakeRepository) -> ProfileGenerationService:
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monkeypatch.setattr(
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"app.service.profile_generation_service.ProfileRepository", lambda _session: repo
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)
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return ProfileGenerationService(session=object()) # type: ignore[arg-type]
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def profile_row(**overrides: Any) -> dict[str, Any]:
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row: dict[str, Any] = {
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"customer_id": 9102,
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"investor_type": "C3",
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"investment_horizon": "medium_term",
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"trading_frequency": "medium",
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"preferred_asset_class": ["bond_fund"],
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"risk_tags": ["balanced"],
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"behavior_score": 61,
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"total_asset": "860000.00",
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"last_active_at": NOW,
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}
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row.update(overrides)
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return row
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def assessment_row(valid_days: int = 200) -> dict[str, Any]:
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return {
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"id": 99102,
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"questionnaire_version": "v2026.1",
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"investor_type": "C3",
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"assessed_at": NOW - timedelta(days=165),
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"valid_until": (NOW + timedelta(days=valid_days)).replace(tzinfo=None),
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}
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# ---------------------------------------------------------------------------
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# 1. 快照构建
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# ---------------------------------------------------------------------------
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def test_snapshot_covers_every_field_the_read_side_needs() -> None:
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"""写侧必须覆盖读取侧白名单所需字段，否则端点会返回空画像。"""
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snapshot = build_snapshot(profile_row(), assessment_row(), now=NOW)
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missing = [f for f in REQUIRED_SNAPSHOT_FIELDS if f not in snapshot]
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assert not missing, f"快照缺少读取侧需要的字段：{missing}"
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def test_snapshot_is_projectable_by_the_read_path() -> None:
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"""端到端对齐：生成出来的快照经 `project_profile` 能得到非空投影。"""
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snapshot = build_snapshot(profile_row(), assessment_row(), now=NOW)
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projected = project_profile(snapshot, now=NOW)
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assert projected["investor_type"] == "C3"
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assert projected["assessment_expired"] is False
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def test_expired_assessment_is_marked_expired_in_snapshot() -> None:
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"""过期测评必须在快照里标成过期（与读取侧"按当前时间重算"同向）。"""
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snapshot = build_snapshot(profile_row(), assessment_row(valid_days=-45), now=NOW)
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assert snapshot["assessment_expired"] is True
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assert project_profile(snapshot, now=NOW)["assessment_expired"] is True
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def test_no_assessment_means_no_fabricated_validity() -> None:
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"""没有测评行时**不写**有效期/过期标记，而不是伪造一个。"""
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snapshot = build_snapshot(profile_row(), None, now=NOW)
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assert "assessment_valid_until" not in snapshot
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assert "assessment_expired" not in snapshot
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def test_hash_is_stable_against_key_order() -> None:
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"""哈希是幂等判据，不能被字典插入顺序影响。"""
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a = {"investor_type": "C3", "behavior_score": 61}
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b = {"behavior_score": 61, "investor_type": "C3"}
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assert compute_hash(a) == compute_hash(b)
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assert compute_hash({"x": 1}) != compute_hash({"x": 2})
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# ---------------------------------------------------------------------------
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# 2. 首次生成：两条事件 + 顺序
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# ---------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_first_generation_writes_two_events_and_clears_old_current(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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repo = FakeRepository(profile=profile_row(), assessment=assessment_row(), current=None)
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result = await service(monkeypatch, repo).generate(9102, now=NOW)
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assert result.changed is True
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assert result.version == 2
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assert result.sync_events == 2
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# 两个目标存储各一条，且**共用同一个 event_uuid**（唯一键是 (event_uuid, target_store)）
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targets = [e["target_store"] for e in repo.sync_events]
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assert targets == list(SYNC_TARGETS)
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assert len({e["event_uuid"] for e in repo.sync_events}) == 1
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# `aggregate_type='profile'` 由仓储层固定写入（不在 kwargs 里），此处断言服务传入的实体标识
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assert len({e["aggregate_uuid"] for e in repo.sync_events}) == 1
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assert all(e["aggregate_uuid"] == result.profile_uuid for e in repo.sync_events)
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# 断言取值本身，且**与消费端领取条件对齐**：outbox worker 只领 `pending`/`failed`，
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# 写成别的取值事件就永远没人消费。这里不再硬编码字面量（硬编码正是当初跑偏的原因）。
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assert all(e["operation"] == SYNC_OPERATION_UPSERT for e in repo.sync_events)
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assert all(e["status"] == SYNC_STATUS_PENDING for e in repo.sync_events)
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assert SYNC_OPERATION_UPSERT == "upsert"
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assert SYNC_STATUS_PENDING == "pending"
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assert set(SYNC_TARGETS) == {"milvus", "neo4j"}
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# 顺序：清旧当前标记必须在插新版本之前（否则撞唯一键）
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assert repo.executed.index("clear_current") < repo.executed.index("insert_snapshot")
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# 新版本标为当前
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assert repo.inserted_snapshot is not None
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assert repo.inserted_snapshot["version"] == 2
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@pytest.mark.asyncio
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async def test_payload_carries_memory_sources_for_projection(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""payload 必须带 `memory_sources` 与 `profile_version`。
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这是 Milvus 长期记忆投影的输入契约：适配器要 `memory_sources` 才知道往向量库
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写什么，要 `profile_version`（或 `version`）才认得出这一批属于哪个画像版本。
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缺了它，事件能被领取、却什么也投影不出来——属于"静默空转"，必须由测试挡住。
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"""
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memories = [{
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"memory_uuid": "11111111-2222-3333-4444-555555555555",
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"memory_key": "preference:risk_level",
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"content": "稳健型",
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"memory_type": "preference",
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"confidence": 0.9,
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"version": 1,
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"valid_until": None,
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}]
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repo = FakeRepository(
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profile=profile_row(), assessment=assessment_row(), current=None, memories=memories
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)
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result = await service(monkeypatch, repo).generate(9102, now=NOW)
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for sync_event in repo.sync_events:
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payload = sync_event["payload"]
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assert payload["profile_version"] == result.version
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assert payload["version"] == result.version
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sources = payload["memory_sources"]
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assert len(sources) == 1
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assert sources[0]["memory_uuid"] == memories[0]["memory_uuid"]
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assert sources[0]["memory_key"] == "preference:risk_level"
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@pytest.mark.asyncio
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async def test_payload_memory_sources_is_empty_without_active_memories(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""没有有效记忆时给**空列表**（而不是省略该键）。
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省略键会让适配器的 `memory_sources is invalid` 报错、事件反复重试直至死信；
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空列表是"确实没有要投影的记忆"，语义不同。这里把这个区别钉住。
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"""
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repo = FakeRepository(profile=profile_row(), assessment=assessment_row(), current=None)
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await service(monkeypatch, repo).generate(9102, now=NOW)
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for sync_event in repo.sync_events:
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assert sync_event["payload"]["memory_sources"] == []
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@pytest.mark.asyncio
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async def test_each_version_gets_a_fresh_profile_uuid(monkeypatch: pytest.MonkeyPatch) -> None:
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"""`profile_uuid` 有唯一键，**每个版本必须用新 uuid**（实测撞过 Duplicate entry）。"""
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old = {"profile_uuid": "old-uuid", "version": 1, "snapshot_hash": "different"}
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repo = FakeRepository(profile=profile_row(), assessment=assessment_row(), current=old)
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result = await service(monkeypatch, repo).generate(9102, now=NOW)
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assert result.profile_uuid != "old-uuid"
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assert repo.inserted_snapshot is not None
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assert repo.inserted_snapshot["profile_uuid"] == result.profile_uuid
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# ---------------------------------------------------------------------------
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# 3. 幂等
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# ---------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_unchanged_content_does_not_bump_version_or_emit_events(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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snapshot = build_snapshot(profile_row(), assessment_row(), now=NOW)
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current = {
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"profile_uuid": "u1",
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"version": 7,
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"snapshot_hash": compute_hash(snapshot),
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}
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repo = FakeRepository(profile=profile_row(), assessment=assessment_row(), current=current)
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result = await service(monkeypatch, repo).generate(9102, now=NOW)
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assert result.changed is False
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assert result.version == 7 # 不升版本
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assert result.sync_events == 0 # 不投事件
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assert "insert_snapshot" not in repo.executed
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assert repo.sync_events == []
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@pytest.mark.asyncio
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async def test_changed_content_bumps_version_and_reemits(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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current = {"profile_uuid": "u1", "version": 3, "snapshot_hash": "stale-hash"}
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repo = FakeRepository(
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profile=profile_row(total_asset="999999.00"),
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assessment=assessment_row(),
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current=current,
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next_version=4,
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)
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result = await service(monkeypatch, repo).generate(9102, now=NOW)
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assert result.changed is True
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assert result.version == 4
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assert result.sync_events == 2
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# ---------------------------------------------------------------------------
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# 4. 失败关闭
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# ---------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_missing_customer_fails_closed(monkeypatch: pytest.MonkeyPatch) -> None:
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"""主表没有该客户 → 抛错，不凭空造画像。"""
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repo = FakeRepository(profile=None)
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with pytest.raises(ValidationAgentError, match="客户不存在"):
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await service(monkeypatch, repo).generate(99999, now=NOW)
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assert repo.inserted_snapshot is None
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assert repo.sync_events == []
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# ---------------------------------------------------------------------------
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# 5. 事件载荷
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# ---------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_event_payload_carries_version_and_hash(monkeypatch: pytest.MonkeyPatch) -> None:
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repo = FakeRepository(profile=profile_row(), assessment=assessment_row(), current=None)
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result = await service(monkeypatch, repo).generate(9102, now=NOW)
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payload = repo.sync_events[0]["payload"]
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assert payload["version"] == result.version
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assert payload["snapshot_hash"] == result.snapshot_hash
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assert payload["customer_id"] == "9102"
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assert payload["snapshot"]["investor_type"] == "C3"
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# 载荷必须可 JSON 序列化（outbox 是 JSON 列）
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json.dumps(payload, ensure_ascii=False)
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