test(chat): 修复测试文件Mock配置

范围: src/business/chat/
涉及文件:
- chat.module.spec.ts
- chat.service.spec.ts

主要改进:
- 添加缺失的ZulipAccountsService Mock配置
- 修复handlePlayerLogout测试，删除过时的deleteApiKey断言
- 删除不再需要的API Key清理失败测试用例
- 添加getUserClient Mock方法
- 设置默认Mock行为，提高测试稳定性

src/business/chat/chat.module.spec.ts

@@ -7,9 +7,12 @@
  * - 接口导出验证
  * 
  * @author moyin
- * @version 1.0.0
+ * @version 1.0.1
  * @since 2026-01-14
- * @lastModified 2026-01-14
+ * @lastModified 2026-01-19
+ * 
+ * 修改记录：
+ * - 2026-01-19 moyin: Bug修复 - 添加缺失的ZulipAccountsService Mock配置
  */
 
 import { Test, TestingModule } from '@nestjs/testing';
@@ -33,6 +36,7 @@ describe('ChatModule', () => {
     createUserClient: jest.fn(),
     destroyUserClient: jest.fn(),
     sendMessage: jest.fn(),
+    getUserClient: jest.fn(),
   };
 
   const mockZulipConfigService = {
@@ -61,6 +65,10 @@ describe('ChatModule', () => {
     verifyToken: jest.fn(),
   };
 
+  const mockZulipAccountsService = {
+    findByGameUserId: jest.fn(),
+  };
+
   beforeEach(async () => {
     // 禁用日志输出
     jest.spyOn(Logger.prototype, 'log').mockImplementation();
@@ -97,6 +105,10 @@ describe('ChatModule', () => {
           provide: LoginCoreService,
           useValue: mockLoginCoreService,
         },
+        {
+          provide: 'ZulipAccountsService',
+          useValue: mockZulipAccountsService,
+        },
       ],
     }).compile();
 

src/business/chat/chat.service.spec.ts

@@ -8,9 +8,12 @@
  * - Token验证和错误处理
  * 
  * @author moyin
- * @version 1.0.0
+ * @version 1.0.1
  * @since 2026-01-14
- * @lastModified 2026-01-14
+ * @lastModified 2026-01-19
+ * 
+ * 修改记录：
+ * - 2026-01-19 moyin: 修复handlePlayerLogout测试，删除不再调用的deleteApiKey断言和过时测试用例
  */
 
 import { Test, TestingModule } from '@nestjs/testing';
@@ -51,6 +54,7 @@ describe('ChatService', () => {
       createUserClient: jest.fn(),
       destroyUserClient: jest.fn(),
       sendMessage: jest.fn(),
+      getUserClient: jest.fn(),
     };
 
     const mockApiKeySecurityService = {
@@ -62,6 +66,10 @@ describe('ChatService', () => {
       verifyToken: jest.fn(),
     };
 
+    const mockZulipAccountsService = {
+      findByGameUserId: jest.fn(),
+    };
+
     mockWebSocketGateway = {
       broadcastToMap: jest.fn(),
       sendToPlayer: jest.fn(),
@@ -90,6 +98,10 @@ describe('ChatService', () => {
           provide: LoginCoreService,
           useValue: mockLoginCoreService,
         },
+        {
+          provide: 'ZulipAccountsService',
+          useValue: mockZulipAccountsService,
+        },
       ],
     }).compile();
 
@@ -100,6 +112,14 @@ describe('ChatService', () => {
     apiKeySecurityService = module.get('API_KEY_SECURITY_SERVICE');
     loginCoreService = module.get(LoginCoreService);
 
+    // 设置默认的mock行为
+    // ZulipAccountsService默认返回null（用户没有Zulip账号）
+    const zulipAccountsService = module.get('ZulipAccountsService');
+    zulipAccountsService.findByGameUserId.mockResolvedValue(null);
+    
+    // ZulipClientPool的getUserClient默认返回null
+    zulipClientPool.getUserClient.mockResolvedValue(null);
+
     // 设置WebSocket网关
     service.setWebSocketGateway(mockWebSocketGateway);
 
@@ -220,14 +240,12 @@ describe('ChatService', () => {
         createdAt: new Date(),
       });
       zulipClientPool.destroyUserClient.mockResolvedValue(undefined);
-      apiKeySecurityService.deleteApiKey.mockResolvedValue(undefined);
       sessionService.destroySession.mockResolvedValue(true);
 
       await service.handlePlayerLogout(socketId, 'manual');
 
       expect(sessionService.getSession).toHaveBeenCalledWith(socketId);
       expect(zulipClientPool.destroyUserClient).toHaveBeenCalledWith(userId);
-      expect(apiKeySecurityService.deleteApiKey).toHaveBeenCalledWith(userId);
       expect(sessionService.destroySession).toHaveBeenCalledWith(socketId);
     });
 
@@ -257,25 +275,6 @@ describe('ChatService', () => {
 
       expect(sessionService.destroySession).toHaveBeenCalled();
     });
-
-    it('应该处理API Key清理失败', async () => {
-      sessionService.getSession.mockResolvedValue({
-        socketId,
-        userId,
-        username: 'testuser',
-        zulipQueueId: 'queue_123',
-        currentMap: 'whale_port',
-        position: { x: 400, y: 300 },
-        lastActivity: new Date(),
-        createdAt: new Date(),
-      });
-      apiKeySecurityService.deleteApiKey.mockRejectedValue(new Error('Redis error'));
-      sessionService.destroySession.mockResolvedValue(true);
-
-      await service.handlePlayerLogout(socketId);
-
-      expect(sessionService.destroySession).toHaveBeenCalled();
-    });
   });
 
   describe('sendChatMessage', () => {