/** * 并发用户测试结构验证 * * 功能描述： * - 验证并发用户测试的结构和逻辑正确性 * - 测试辅助函数和测试用例组织 * - 确保测试代码本身的质量 * * @author moyin * @version 1.0.0 * @since 2026-01-08 */ describe('并发用户测试结构验证', () => { describe('测试辅助函数', () => { it('应该正确定义TestUser接口', () => { interface TestUser { id: string; client: any; sessionId?: string; position?: { x: number; y: number; mapId: string }; connected: boolean; joined: boolean; } const testUser: TestUser = { id: 'test-user-1', client: null, connected: false, joined: false, }; expect(testUser.id).toBe('test-user-1'); expect(testUser.connected).toBe(false); expect(testUser.joined).toBe(false); }); it('应该正确处理用户清理逻辑', () => { const mockUsers = [ { id: 'user1', client: { connected: true, disconnect: jest.fn() }, connected: true, joined: false, }, { id: 'user2', client: { connected: false, disconnect: jest.fn() }, connected: false, joined: false, }, ]; // 模拟清理函数 const cleanupUsers = (users: any[]) => { users.forEach(user => { if (user.client && user.client.connected) { user.client.disconnect(); } }); }; cleanupUsers(mockUsers); expect(mockUsers[0].client.disconnect).toHaveBeenCalled(); expect(mockUsers[1].client.disconnect).not.toHaveBeenCalled(); }); }); describe('测试场景覆盖', () => { it('应该包含大规模并发连接测试', () => { const testScenarios = [ '应该支持100个用户同时连接', '应该支持用户快速连接和断开', ]; expect(testScenarios).toContain('应该支持100个用户同时连接'); expect(testScenarios).toContain('应该支持用户快速连接和断开'); }); it('应该包含并发会话管理测试', () => { const testScenarios = [ '应该支持多用户同时加入同一会话', '应该支持用户在多个会话间快速切换', ]; expect(testScenarios).toContain('应该支持多用户同时加入同一会话'); expect(testScenarios).toContain('应该支持用户在多个会话间快速切换'); }); it('应该包含并发位置更新测试', () => { const testScenarios = [ '应该正确处理大量并发位置更新', '应该确保位置更新的数据一致性', ]; expect(testScenarios).toContain('应该正确处理大量并发位置更新'); expect(testScenarios).toContain('应该确保位置更新的数据一致性'); }); it('应该包含会话范围广播测试', () => { const testScenarios = [ '应该确保广播只在正确的会话范围内', ]; expect(testScenarios).toContain('应该确保广播只在正确的会话范围内'); }); it('应该包含系统资源和稳定性测试', () => { const testScenarios = [ '应该在高并发下保持系统稳定', '应该正确处理内存使用和清理', ]; expect(testScenarios).toContain('应该在高并发下保持系统稳定'); expect(testScenarios).toContain('应该正确处理内存使用和清理'); }); }); describe('性能指标验证', () => { it('应该定义合理的性能指标', () => { const performanceMetrics = { maxConcurrentUsers: 100, maxConnectionTimePerUser: 100, // ms minSuccessRate: 80, // % maxMemoryPerUser: 200 * 1024, // bytes maxErrorRate: 5, // % }; expect(performanceMetrics.maxConcurrentUsers).toBeGreaterThan(50); expect(performanceMetrics.maxConnectionTimePerUser).toBeLessThan(200); expect(performanceMetrics.minSuccessRate).toBeGreaterThan(70); expect(performanceMetrics.maxMemoryPerUser).toBeLessThan(500 * 1024); expect(performanceMetrics.maxErrorRate).toBeLessThan(10); }); it('应该包含性能监控逻辑', () => { const performanceMonitor = { startTime: Date.now(), endTime: 0, totalOperations: 0, successfulOperations: 0, errors: 0, calculateMetrics() { const duration = this.endTime - this.startTime; const successRate = (this.successfulOperations / this.totalOperations) * 100; const errorRate = (this.errors / this.totalOperations) * 100; return { duration, successRate, errorRate, operationsPerSecond: this.totalOperations / (duration / 1000), }; } }; performanceMonitor.totalOperations = 100; performanceMonitor.successfulOperations = 85; performanceMonitor.errors = 5; performanceMonitor.endTime = performanceMonitor.startTime + 5000; const metrics = performanceMonitor.calculateMetrics(); expect(metrics.successRate).toBe(85); expect(metrics.errorRate).toBe(5); expect(metrics.operationsPerSecond).toBe(20); }); }); describe('测试数据生成', () => { it('应该能生成测试用户ID', () => { const generateUserId = (prefix: string, index: number) => `${prefix}-${index}`; const userId = generateUserId('concurrent-user', 42); expect(userId).toBe('concurrent-user-42'); }); it('应该能生成随机位置数据', () => { const generateRandomPosition = (mapId: string = 'plaza') => ({ x: Math.random() * 1000, y: Math.random() * 1000, mapId, }); const position = generateRandomPosition(); expect(position.x).toBeGreaterThanOrEqual(0); expect(position.x).toBeLessThan(1000); expect(position.y).toBeGreaterThanOrEqual(0); expect(position.y).toBeLessThan(1000); expect(position.mapId).toBe('plaza'); }); it('应该能生成会话ID', () => { const generateSessionId = (prefix: string, index?: number) => index !== undefined ? `${prefix}-${index}` : `${prefix}-${Date.now()}`; const sessionId1 = generateSessionId('test-session', 1); const sessionId2 = generateSessionId('test-session'); expect(sessionId1).toBe('test-session-1'); expect(sessionId2).toMatch(/^test-session-\d+$/); }); }); describe('错误处理验证', () => { it('应该正确处理连接超时', async () => { const createConnectionWithTimeout = (timeout: number = 5000) => { return new Promise((resolve, reject) => { const timer = setTimeout(() => { reject(new Error('连接超时')); }, timeout); // 模拟连接成功 setTimeout(() => { clearTimeout(timer); resolve('连接成功'); }, timeout / 2); }); }; const result = await createConnectionWithTimeout(100); expect(result).toBe('连接成功'); }); it('应该正确处理连接失败', async () => { const createFailingConnection = () => { return new Promise((resolve, reject) => { setTimeout(() => { reject(new Error('连接失败')); }, 10); }); }; await expect(createFailingConnection()).rejects.toThrow('连接失败'); }); }); describe('并发控制验证', () => { it('应该能正确管理并发Promise', async () => { const createConcurrentTasks = (count: number) => { return Array.from({ length: count }, (_, i) => new Promise(resolve => setTimeout(() => resolve(i), Math.random() * 100)) ); }; const tasks = createConcurrentTasks(10); const results = await Promise.all(tasks); expect(results).toHaveLength(10); expect(results).toEqual(expect.arrayContaining([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])); }); it('应该能处理部分失败的并发任务', async () => { const createMixedTasks = (count: number) => { return Array.from({ length: count }, (_, i) => i % 3 === 0 ? Promise.reject(new Error(`Task ${i} failed`)) : Promise.resolve(i) ); }; const tasks = createMixedTasks(6); const results = await Promise.allSettled(tasks); const fulfilled = results.filter(r => r.status === 'fulfilled'); const rejected = results.filter(r => r.status === 'rejected'); expect(fulfilled).toHaveLength(4); // 1, 2, 4, 5 expect(rejected).toHaveLength(2); // 0, 3 }); }); });