初始化提交

backend/tests/services/test_time_sense_integration.py

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+"""辰正集成测试：重逢流事件链 + milestone 联动（设计 §6.3）。"""
+
+from datetime import UTC, datetime
+
+import pytest
+
+from app.db.session import AsyncSessionLocal
+from app.models.chat import ChatMessage, ChatSession
+from app.models.time_anniversary import TimeAnniversary
+from app.modules.runtime.events import InMemoryEventStore
+from app.modules.time_sense.modulation import ModulationInput
+from app.services.characters import get_active_character_model
+from app.services.time_sense import compute_live_snapshot
+
+
+@pytest.mark.asyncio
+async def test_reunion_flow_emits_reunion_and_sentiment():
+    """离线 > 3 天 → time.reunion + time.sentiment(reunion_memory)。"""
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        chat_session = ChatSession(character_id=character.id, status="active")
+        session.add(chat_session)
+        await session.flush()
+        old_msg = ChatMessage(
+            character_id=character.id,
+            session_id=chat_session.id,
+            role="user",
+            content="5 天前的消息",
+            created_at=datetime(2026, 6, 29, 4, 0, tzinfo=UTC),
+        )
+        session.add(old_msg)
+        await session.flush()
+
+        store = InMemoryEventStore()
+        result = await compute_live_snapshot(
+            session,
+            store,
+            character.id,
+            ModulationInput(),
+            now=datetime(2026, 7, 4, 4, 0, tzinfo=UTC),  # 5 天后
+        )
+
+    assert result.snapshot is not None
+    assert result.snapshot.offline.band == "reunion_impact"
+    event_types = {e.type for e in result.emitted_events}
+    assert "time.reunion" in event_types
+    assert "time.sentiment" in event_types  # reunion_memory 触发
+    sentiment = next(e for e in result.emitted_events if e.type == "time.sentiment")
+    assert sentiment.payload["trigger_type"] == "reunion_memory"
+
+
+@pytest.mark.asyncio
+async def test_no_event_when_active():
+    """active 档（无历史消息，last_active=now）→ 无 reunion/sentiment 事件。"""
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        store = InMemoryEventStore()
+        result = await compute_live_snapshot(
+            session,
+            store,
+            character.id,
+            ModulationInput(),
+            now=datetime(2026, 7, 4, 4, 0, tzinfo=UTC),  # 上海 12:00 上午
+        )
+    assert result.snapshot is not None
+    assert result.snapshot.offline.band == "active"
+    event_types = {e.type for e in result.emitted_events}
+    assert "time.reunion" not in event_types
+    assert "time.sentiment" not in event_types
+    assert "time.user_care" not in event_types  # 白天 + 无 birthday 等信号
+
+
+@pytest.mark.asyncio
+async def test_milestone_at_late_night_emits_sentiment_overlay():
+    """凌晨 + 今日命中纪念日 → active_milestones 非空 + time.sentiment(late_night_overlay)。
+
+    验证 anniversary 命中 + 凌晨时段联动 sentiment 的集成路径（Task 4 未覆盖）。
+    """
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        anni = TimeAnniversary(
+            character_id=character.id,
+            name="我们的相遇日",
+            calendar="solar",
+            date="2026-07-05",  # 今日（now=18:00 UTC → 上海 02:00 本地日期 07-05）命中
+            recurs_yearly=True,
+            kind="anniversary",
+            subject_type="relationship",
+            source="manual",
+        )
+        session.add(anni)
+        await session.flush()
+
+        store = InMemoryEventStore()
+        result = await compute_live_snapshot(
+            session,
+            store,
+            character.id,
+            ModulationInput(),
+            now=datetime(2026, 7, 4, 18, 0, tzinfo=UTC),  # 上海 02:00 凌晨
+        )
+
+    assert result.snapshot is not None
+    assert result.snapshot.day_period == "凌晨"
+    assert len(result.snapshot.active_milestones) >= 1
+    # duration_node(0 不在 nodes)/anniversary_prewarm(next=365>7)/reunion_memory(active 档) 都不触发
+    # → late_night_overlay（凌晨 + has_active_milestone）
+    sentiment_events = [e for e in result.emitted_events if e.type == "time.sentiment"]
+    assert len(sentiment_events) == 1
+    assert sentiment_events[0].payload["trigger_type"] == "late_night_overlay"
+    # active 档（无 chat 历史）→ 不触发 reunion
+    assert "time.reunion" not in {e.type for e in result.emitted_events}