test: 更新 AgentScope 相关单元测试与集成测试

- 重命名 test_react_runner.py 为 test_runner.py
- 新增 test_utils.py 测试工具函数
- 更新现有测试用例适配新架构

backend/tests/unit/v1/friendships/test_friendship_service.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from datetime import datetime
+from typing import cast
 from unittest.mock import AsyncMock, MagicMock
 from uuid import UUID, uuid4
 
@@ -10,6 +11,7 @@ from fastapi import HTTPException
 from core.auth.models import CurrentUser
 from models.friendships import Friendship, FriendshipStatus
 from models.inbox_messages import InboxMessage, InboxMessageStatus, InboxMessageType
+from models.profile import Profile
 from v1.friendships.repository import FriendshipRepository
 from v1.friendships.schemas import (
     FriendRequestCreate,
@@ -22,14 +24,14 @@ def _create_mock_profile(
     user_id: UUID = UUID("00000000-0000-0000-0000-000000000001"),
     username: str = "testuser",
     avatar_url: str | None = None,
-) -> MagicMock:
+) -> Profile:
     """Create a mock Profile ORM object."""
     profile = MagicMock()
     profile.id = user_id
     profile.username = username
     profile.avatar_url = avatar_url
     profile.bio = None
-    return profile
+    return cast(Profile, profile)
 
 
 class FakeFriendshipRepo:
@@ -65,7 +67,7 @@ class FakeFriendshipRepo:
         inbox.status = InboxMessageStatus.PENDING
         inbox.message_type = InboxMessageType.FRIEND_REQUEST
         inbox.friendship_id = friendship.id
-        inbox.content = content
+        inbox.content = {"type": "request", "message": content}
         self._inbox_messages.append(inbox)
 
         return friendship, inbox
@@ -92,7 +94,7 @@ class FakeFriendshipRepo:
         inbox.status = InboxMessageStatus.PENDING
         inbox.message_type = InboxMessageType.FRIEND_REQUEST
         inbox.friendship_id = friendship.id
-        inbox.content = content
+        inbox.content = {"type": "request", "message": content}
         self._inbox_messages.append(inbox)
 
         return friendship, inbox
@@ -121,6 +123,16 @@ class FakeFriendshipRepo:
                 return f
         return None
 
+    async def get_friendships_by_ids(
+        self, friendship_ids: list[UUID]
+    ) -> dict[UUID, Friendship]:
+        friendship_set = set(friendship_ids)
+        return {
+            f.id: f
+            for f in self._friendships
+            if getattr(f, "id", None) in friendship_set
+        }
+
     async def get_inbox_messages_for_user(
         self, user_id: UUID, status: InboxMessageStatus | None = None
     ) -> list[InboxMessage]:
@@ -148,12 +160,41 @@ class FakeFriendshipRepo:
 class FakeUserRepo:
     """Fake user repository for testing."""
 
-    def __init__(self, profiles: dict[UUID, MagicMock] | None = None) -> None:
+    def __init__(self, profiles: dict[UUID, Profile] | None = None) -> None:
         self._profiles = profiles or {}
 
-    async def get_by_user_id(self, user_id: UUID) -> MagicMock | None:
+    async def get_by_user_id(self, user_id: UUID) -> Profile | None:
         return self._profiles.get(user_id)
 
+    async def get_by_user_ids(self, user_ids: list[UUID]) -> dict[UUID, Profile]:
+        user_id_set = set(user_ids)
+        return {
+            uid: profile
+            for uid, profile in self._profiles.items()
+            if uid in user_id_set
+        }
+
+    async def get_by_username(self, username: str) -> Profile | None:
+        for profile in self._profiles.values():
+            if profile.username == username:
+                return profile
+        return None
+
+    async def update_by_user_id(
+        self, user_id: UUID, update_data: dict[str, str | None]
+    ) -> Profile | None:
+        del update_data
+        return self._profiles.get(user_id)
+
+    async def search_users(self, query: str, limit: int = 20) -> list[Profile]:
+        del limit
+        query_lower = query.lower()
+        return [
+            profile
+            for profile in self._profiles.values()
+            if query_lower in profile.username.lower()
+        ]
+
 
 _repo_check: FriendshipRepository = FakeFriendshipRepo()
 _user_repo_check: UserRepository = FakeUserRepo()
@@ -208,7 +249,9 @@ class TestSendRequest:
             current_user=current_user,
         )
 
-        result = await service.send_request(FriendRequestCreate(target_user_id=USER_B))
+        result = await service.send_request(
+            FriendRequestCreate(target_user_id=USER_B, content=None)
+        )
 
         assert result is not None
         mock_session.commit.assert_awaited_once()
@@ -233,7 +276,7 @@ class TestSendRequest:
             FriendRequestCreate(target_user_id=USER_B, content=content)
         )
 
-        assert result.content == content
+        assert result.content == {"type": "request", "message": content}
 
     @pytest.mark.asyncio
     async def test_send_request_to_self_raises_400(
@@ -252,7 +295,7 @@ class TestSendRequest:
 
         with pytest.raises(HTTPException) as exc_info:
             await service.send_request(
-                FriendRequestCreate(target_user_id=current_user.id)
+                FriendRequestCreate(target_user_id=current_user.id, content=None)
             )
 
         assert exc_info.value.status_code == 400
@@ -280,7 +323,9 @@ class TestSendRequest:
         )
 
         with pytest.raises(HTTPException) as exc_info:
-            await service.send_request(FriendRequestCreate(target_user_id=USER_B))
+            await service.send_request(
+                FriendRequestCreate(target_user_id=USER_B, content=None)
+            )
 
         assert exc_info.value.status_code == 400
 
@@ -307,7 +352,9 @@ class TestSendRequest:
         )
 
         with pytest.raises(HTTPException) as exc_info:
-            await service.send_request(FriendRequestCreate(target_user_id=USER_B))
+            await service.send_request(
+                FriendRequestCreate(target_user_id=USER_B, content=None)
+            )
 
         assert exc_info.value.status_code == 400