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src/modules/wechat-game/wechat-game.service.spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { WechatGameService } from './wechat-game.service';
+import { GameConfigRepository } from './repositories/game-config.repository';
+import { NotFoundException } from '@nestjs/common';
+import { GameConfig } from './entities/game-config.entity';
+
+describe('WechatGameService', () => {
+  let service: WechatGameService;
+  let repository: GameConfigRepository;
+
+  const mockGameConfig: GameConfig = {
+    id: 'test-uuid',
+    configKey: 'game_speed',
+    configValue: '1.5',
+    description: 'Game speed multiplier',
+    isActive: true,
+    createdAt: new Date(),
+    updatedAt: new Date(),
+  };
+
+  const mockRepository = {
+    findActiveConfigs: jest.fn(),
+    findByKey: jest.fn(),
+  };
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        WechatGameService,
+        {
+          provide: GameConfigRepository,
+          useValue: mockRepository,
+        },
+      ],
+    }).compile();
+
+    service = module.get<WechatGameService>(WechatGameService);
+    repository = module.get<GameConfigRepository>(GameConfigRepository);
+  });
+
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
+  describe('getAllConfigs', () => {
+    it('should return all active configs', async () => {
+      mockRepository.findActiveConfigs.mockResolvedValue([mockGameConfig]);
+
+      const result = await service.getAllConfigs();
+
+      expect(result.configs).toHaveLength(1);
+      expect(result.total).toBe(1);
+      expect(result.configs[0].configKey).toBe('game_speed');
+      expect(mockRepository.findActiveConfigs).toHaveBeenCalled();
+    });
+
+    it('should return empty array when no configs found', async () => {
+      mockRepository.findActiveConfigs.mockResolvedValue([]);
+
+      const result = await service.getAllConfigs();
+
+      expect(result.configs).toHaveLength(0);
+      expect(result.total).toBe(0);
+    });
+  });
+
+  describe('getConfigByKey', () => {
+    it('should return config by key', async () => {
+      mockRepository.findByKey.mockResolvedValue(mockGameConfig);
+
+      const result = await service.getConfigByKey('game_speed');
+
+      expect(result.configKey).toBe('game_speed');
+      expect(result.configValue).toBe('1.5');
+      expect(mockRepository.findByKey).toHaveBeenCalledWith('game_speed');
+    });
+
+    it('should throw NotFoundException when config not found', async () => {
+      mockRepository.findByKey.mockResolvedValue(null);
+
+      await expect(service.getConfigByKey('nonexistent')).rejects.toThrow(
+        NotFoundException,
+      );
+    });
+  });
+});