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