初始化提交

backend/tests/services/test_personality_emotion_service.py

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+"""灵核情绪状态服务测试（设计 §11）。"""
+
+from datetime import UTC, datetime, timedelta
+
+import pytest
+
+from app.db.session import AsyncSessionLocal
+from app.models.character import Character
+from app.models.chat import ChatMessage, ChatSession
+from app.models.personality import PersonalityVersion
+from app.models.personality_emotion import CharacterEmotionState
+from app.modules.personality.emotion import EmotionState
+from app.modules.runtime.events import Event
+from app.services.characters import get_active_character_model
+from app.services.personality_emotion import (
+    apply_time_event,
+    compute_current_state,
+    handle_time_event,
+)
+
+
+async def _seed_personality(
+    session, character_id: str, baseline_json: str = '{"mood": "neutral", "intensity": 0.2}'
+) -> PersonalityVersion:
+    """创建人格版本并绑定到 character.current_personality_version_id。"""
+    pv = PersonalityVersion(
+        character_id=character_id,
+        identity_profile="测试身份",
+        emotion_baseline=baseline_json,
+    )
+    session.add(pv)
+    await session.flush()
+    character = await session.get(Character, character_id)
+    assert character is not None
+    character.current_personality_version_id = pv.id
+    return pv
+
+
+def _reunion_event(
+    character_id: str, intensity: float = 0.6, event_id: str = "event_test1"
+) -> Event:
+    return Event(
+        id=event_id,
+        type="time.reunion",
+        source="time_sense",
+        payload={"reunion_intensity": intensity, "offline_band": "reunion_impact"},
+        character_id=character_id,
+    )
+
+
+# ---- compute_current_state ----
+
+
+@pytest.mark.asyncio
+async def test_compute_no_state_returns_baseline() -> None:
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        cid = character.id
+        await _seed_personality(session, cid, '{"mood": "pleased", "intensity": 0.4}')
+        await session.commit()
+    async with AsyncSessionLocal() as session:
+        state = await compute_current_state(session, cid)
+        assert state == EmotionState(mood="pleased", intensity=0.4)
+
+
+@pytest.mark.asyncio
+async def test_compute_no_state_no_personality_returns_default() -> None:
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        cid = character.id
+        await session.commit()
+    async with AsyncSessionLocal() as session:
+        state = await compute_current_state(session, cid)
+        assert state == EmotionState()  # neutral 0.2
+
+
+@pytest.mark.asyncio
+async def test_compute_with_state_zero_turns_returns_state_unchanged() -> None:
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        cid = character.id
+        await _seed_personality(session, cid)
+        session.add(
+            CharacterEmotionState(
+                character_id=cid,
+                mood="touched",
+                intensity=0.8,
+                baseline_mood="neutral",
+                baseline_intensity=0.2,
+            )
+        )
+        await session.commit()
+    async with AsyncSessionLocal() as session:
+        state = await compute_current_state(session, cid)
+        # 无后续 user 回合 → 不 decay
+        assert state is not None
+        assert state.mood == "touched"
+        assert abs(state.intensity - 0.8) < 0.001
+
+
+@pytest.mark.asyncio
+async def test_compute_decays_after_user_messages() -> None:
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        cid = character.id
+        await _seed_personality(session, cid)
+        # 写入 touched 0.8 状态，updated_at 手动设为 1 小时前
+        old = datetime.now(UTC) - timedelta(hours=1)
+        row = CharacterEmotionState(
+            character_id=cid,
+            mood="touched",
+            intensity=0.8,
+            baseline_mood="neutral",
+            baseline_intensity=0.2,
+        )
+        session.add(row)
+        await session.flush()
+        # SQLite 读回 naive；写入时也用 naive 保持一致
+        row.updated_at = old.replace(tzinfo=None)
+        # 6 条 user 消息 = 半衰期回合数 → intensity 衰减一半
+        chat_session = ChatSession(character_id=cid)
+        session.add(chat_session)
+        await session.flush()
+        for i in range(6):
+            session.add(
+                ChatMessage(
+                    character_id=cid,
+                    session_id=chat_session.id,
+                    role="user",
+                    content=f"msg {i}",
+                )
+            )
+        await session.commit()
+    async with AsyncSessionLocal() as session:
+        state = await compute_current_state(session, cid)
+        # elapsed=6, factor=0.5 → 0.2 + (0.8-0.2)*0.5 = 0.5
+        assert state is not None
+        assert state.mood == "touched"
+        assert abs(state.intensity - 0.5) < 0.01
+
+
+# ---- apply_time_event ----
+
+
+@pytest.mark.asyncio
+async def test_apply_reunion_initializes_from_baseline() -> None:
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        cid = character.id
+        await _seed_personality(session, cid, '{"mood": "neutral", "intensity": 0.2}')
+        await apply_time_event(_reunion_event(cid, intensity=0.6), session)
+        await session.commit()
+    async with AsyncSessionLocal() as session:
+        from app.repositories.personality_emotion import get_state
+
+        row = await get_state(session, cid)
+        assert row is not None
+        assert row.mood == "touched"
+        assert abs(row.intensity - 0.8) < 0.001  # 0.2 baseline + 0.6 delta
+        assert row.last_trigger_event_id == "event_test1"
+        character = await session.get(Character, cid)
+        assert character is not None
+        assert character.current_mood_id == "touched"
+
+
+@pytest.mark.asyncio
+async def test_apply_reunion_accumulates_when_same_mood() -> None:
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        cid = character.id
+        await _seed_personality(session, cid)
+        await apply_time_event(_reunion_event(cid, intensity=0.5), session)
+        await apply_time_event(_reunion_event(cid, intensity=0.3, event_id="event_test2"), session)
+        await session.commit()
+    async with AsyncSessionLocal() as session:
+        from app.repositories.personality_emotion import get_state
+
+        row = await get_state(session, cid)
+        assert row is not None
+        assert row.mood == "touched"
+        # 首次 0.2+0.5=0.7；同 mood 累加 0.7+0.3=1.0
+        assert abs(row.intensity - 1.0) < 0.001
+        assert row.last_trigger_event_id == "event_test2"
+
+
+@pytest.mark.asyncio
+async def test_apply_event_without_character_id_is_noop() -> None:
+    async with AsyncSessionLocal() as session:
+        await apply_time_event(
+            Event(type="time.reunion", source="time_sense", payload={}, character_id=None),
+            session,
+        )
+        await session.commit()
+    # 无异常即通过；无副作用可验证（无 character_id 无法写）
+
+
+# ---- handle_time_event ----
+
+
+@pytest.mark.asyncio
+async def test_handle_time_event_commits_via_own_session() -> None:
+    async with AsyncSessionLocal() as session:
+        character = await get_active_character_model(session)
+        cid = character.id
+        await _seed_personality(session, cid)
+        await session.commit()
+    # handle_time_event 自管 session + 提交
+    await handle_time_event(_reunion_event(cid, intensity=0.6))
+    async with AsyncSessionLocal() as session:
+        from app.repositories.personality_emotion import get_state
+
+        row = await get_state(session, cid)
+        assert row is not None
+        assert row.mood == "touched"
+
+
+@pytest.mark.asyncio
+async def test_handle_time_event_swallows_exception() -> None:
+    """降级原则：handler 异常不抛（不阻塞事件流）。"""
+    # character_id 指向不存在的角色 → _resolve_baseline 返回默认，apply 仍尝试写
+    # 但更直接：用一个会触发异常的事件（如 DB 约束）。这里验证无 character_id 不抛 + 任意异常被吞。
+    # 构造一个正常事件，handler 应正常完成不抛
+    await handle_time_event(
+        Event(type="time.reunion", source="time_sense", payload={}, character_id="char_nonexistent")
+    )
+    # 无抛出即通过