17.1 测试架构概览

// 测试管理器接口
interface TestManager {
  start(): Promise<void>;
  stop(): Promise<void>;
  runTests(config: TestConfig): Promise<TestResult>;
  getTestResults(query: TestResultQuery): Promise<TestResult[]>;
  generateTestReport(config: ReportConfig): Promise<TestReport>;
  scheduleTests(schedule: TestSchedule): Promise<void>;
  validateQuality(criteria: QualityCriteria): Promise<QualityReport>;
}

// 测试管理器实现
class LowCodeTestManager implements TestManager {
  private testRunners: Map<TestType, TestRunner> = new Map();
  private testResults: TestResult[] = [];
  private qualityAnalyzer: QualityAnalyzer;
  private reportGenerator: TestReportGenerator;
  private scheduler: TestScheduler;
  private isRunning: boolean = false;
  
  constructor(
    qualityAnalyzer: QualityAnalyzer,
    reportGenerator: TestReportGenerator,
    scheduler: TestScheduler
  ) {
    this.qualityAnalyzer = qualityAnalyzer;
    this.reportGenerator = reportGenerator;
    this.scheduler = scheduler;
    
    // 初始化测试运行器
    this.initializeTestRunners();
  }
  
  async start(): Promise<void> {
    if (this.isRunning) {
      throw new Error('Test manager is already running');
    }
    
    this.isRunning = true;
    
    // 启动调度器
    await this.scheduler.start();
    
    console.log('Test manager started');
  }
  
  async stop(): Promise<void> {
    if (!this.isRunning) {
      throw new Error('Test manager is not running');
    }
    
    this.isRunning = false;
    
    // 停止调度器
    await this.scheduler.stop();
    
    console.log('Test manager stopped');
  }
  
  async runTests(config: TestConfig): Promise<TestResult> {
    const testId = this.generateTestId();
    const startTime = new Date();
    
    try {
      const results: TestCaseResult[] = [];
      
      // 运行不同类型的测试
      for (const testType of config.testTypes) {
        const runner = this.testRunners.get(testType);
        if (runner) {
          const typeResults = await runner.runTests(config);
          results.push(...typeResults);
        }
      }
      
      const endTime = new Date();
      const duration = endTime.getTime() - startTime.getTime();
      
      // 计算统计信息
      const stats = this.calculateTestStats(results);
      
      const testResult: TestResult = {
        id: testId,
        config,
        results,
        stats,
        startTime,
        endTime,
        duration,
        status: stats.failedCount > 0 ? TestStatus.FAILED : TestStatus.PASSED
      };
      
      // 保存测试结果
      this.testResults.push(testResult);
      
      return testResult;
    } catch (error) {
      const endTime = new Date();
      const duration = endTime.getTime() - startTime.getTime();
      
      const testResult: TestResult = {
        id: testId,
        config,
        results: [],
        stats: {
          totalCount: 0,
          passedCount: 0,
          failedCount: 0,
          skippedCount: 0,
          passRate: 0
        },
        startTime,
        endTime,
        duration,
        status: TestStatus.ERROR,
        error: error.message
      };
      
      this.testResults.push(testResult);
      return testResult;
    }
  }
  
  async getTestResults(query: TestResultQuery): Promise<TestResult[]> {
    let results = [...this.testResults];
    
    // 按状态过滤
    if (query.status) {
      results = results.filter(result => result.status === query.status);
    }
    
    // 按测试类型过滤
    if (query.testTypes && query.testTypes.length > 0) {
      results = results.filter(result => 
        query.testTypes!.some(type => result.config.testTypes.includes(type))
      );
    }
    
    // 按时间范围过滤
    if (query.startTime) {
      results = results.filter(result => result.startTime >= query.startTime!);
    }
    if (query.endTime) {
      results = results.filter(result => result.endTime <= query.endTime!);
    }
    
    // 排序
    results.sort((a, b) => b.startTime.getTime() - a.startTime.getTime());
    
    // 限制结果数量
    if (query.limit) {
      results = results.slice(0, query.limit);
    }
    
    return results;
  }
  
  async generateTestReport(config: ReportConfig): Promise<TestReport> {
    return await this.reportGenerator.generate(config, this.testResults);
  }
  
  async scheduleTests(schedule: TestSchedule): Promise<void> {
    await this.scheduler.scheduleTests(schedule);
  }
  
  async validateQuality(criteria: QualityCriteria): Promise<QualityReport> {
    return await this.qualityAnalyzer.validateQuality(criteria, this.testResults);
  }
  
  private initializeTestRunners(): void {
    this.testRunners.set(TestType.UNIT, new UnitTestRunner());
    this.testRunners.set(TestType.INTEGRATION, new IntegrationTestRunner());
    this.testRunners.set(TestType.E2E, new E2ETestRunner());
    this.testRunners.set(TestType.PERFORMANCE, new PerformanceTestRunner());
    this.testRunners.set(TestType.SECURITY, new SecurityTestRunner());
    this.testRunners.set(TestType.API, new APITestRunner());
    this.testRunners.set(TestType.UI, new UITestRunner());
  }
  
  private calculateTestStats(results: TestCaseResult[]): TestStats {
    const totalCount = results.length;
    const passedCount = results.filter(r => r.status === TestCaseStatus.PASSED).length;
    const failedCount = results.filter(r => r.status === TestCaseStatus.FAILED).length;
    const skippedCount = results.filter(r => r.status === TestCaseStatus.SKIPPED).length;
    const passRate = totalCount > 0 ? passedCount / totalCount : 0;
    
    return {
      totalCount,
      passedCount,
      failedCount,
      skippedCount,
      passRate
    };
  }
  
  private generateTestId(): string {
    return `test_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
  }
}

17.2 核心数据结构

// 测试配置
interface TestConfig {
  name: string;
  description?: string;
  testTypes: TestType[];
  testSuites: string[];
  environment: TestEnvironment;
  timeout?: number;
  retries?: number;
  parallel?: boolean;
  coverage?: CoverageConfig;
  reporting?: ReportingConfig;
}

// 测试类型
enum TestType {
  UNIT = 'unit',
  INTEGRATION = 'integration',
  E2E = 'e2e',
  PERFORMANCE = 'performance',
  SECURITY = 'security',
  API = 'api',
  UI = 'ui'
}

// 测试环境
interface TestEnvironment {
  name: string;
  baseUrl?: string;
  database?: DatabaseConfig;
  services?: ServiceConfig[];
  variables?: Record<string, any>;
}

// 测试结果
interface TestResult {
  id: string;
  config: TestConfig;
  results: TestCaseResult[];
  stats: TestStats;
  startTime: Date;
  endTime: Date;
  duration: number;
  status: TestStatus;
  error?: string;
  coverage?: CoverageResult;
}

// 测试用例结果
interface TestCaseResult {
  id: string;
  name: string;
  description?: string;
  suite: string;
  type: TestType;
  status: TestCaseStatus;
  duration: number;
  error?: TestError;
  assertions?: AssertionResult[];
  screenshots?: string[];
  logs?: LogEntry[];
}

// 测试状态
enum TestStatus {
  PENDING = 'pending',
  RUNNING = 'running',
  PASSED = 'passed',
  FAILED = 'failed',
  ERROR = 'error',
  CANCELLED = 'cancelled'
}

// 测试用例状态
enum TestCaseStatus {
  PASSED = 'passed',
  FAILED = 'failed',
  SKIPPED = 'skipped',
  ERROR = 'error'
}

// 测试统计
interface TestStats {
  totalCount: number;
  passedCount: number;
  failedCount: number;
  skippedCount: number;
  passRate: number;
}

// 测试错误
interface TestError {
  message: string;
  stack?: string;
  type: string;
  expected?: any;
  actual?: any;
}

// 断言结果
interface AssertionResult {
  description: string;
  passed: boolean;
  expected: any;
  actual: any;
  message?: string;
}

// 覆盖率配置
interface CoverageConfig {
  enabled: boolean;
  threshold?: CoverageThreshold;
  include?: string[];
  exclude?: string[];
  reporters?: string[];
}

// 覆盖率阈值
interface CoverageThreshold {
  statements?: number;
  branches?: number;
  functions?: number;
  lines?: number;
}

// 覆盖率结果
interface CoverageResult {
  statements: CoverageMetric;
  branches: CoverageMetric;
  functions: CoverageMetric;
  lines: CoverageMetric;
  files: FileCoverage[];
}

// 覆盖率指标
interface CoverageMetric {
  total: number;
  covered: number;
  percentage: number;
}

// 文件覆盖率
interface FileCoverage {
  path: string;
  statements: CoverageMetric;
  branches: CoverageMetric;
  functions: CoverageMetric;
  lines: CoverageMetric;
}

// 报告配置
interface ReportingConfig {
  formats: ReportFormat[];
  outputDir?: string;
  includeScreenshots?: boolean;
  includeLogs?: boolean;
  includeCoverage?: boolean;
}

// 报告格式
enum ReportFormat {
  HTML = 'html',
  JSON = 'json',
  XML = 'xml',
  JUNIT = 'junit',
  ALLURE = 'allure'
}

// 测试查询
interface TestResultQuery {
  status?: TestStatus;
  testTypes?: TestType[];
  startTime?: Date;
  endTime?: Date;
  limit?: number;
}

// 测试调度
interface TestSchedule {
  id: string;
  name: string;
  config: TestConfig;
  cron: string;
  enabled: boolean;
  timezone?: string;
  notifications?: NotificationConfig[];
}

// 通知配置
interface NotificationConfig {
  type: NotificationType;
  recipients: string[];
  conditions: NotificationCondition[];
}

// 通知类型
enum NotificationType {
  EMAIL = 'email',
  SLACK = 'slack',
  WEBHOOK = 'webhook'
}

// 通知条件
interface NotificationCondition {
  event: NotificationEvent;
  threshold?: number;
}

// 通知事件
enum NotificationEvent {
  TEST_FAILED = 'test_failed',
  TEST_PASSED = 'test_passed',
  COVERAGE_BELOW_THRESHOLD = 'coverage_below_threshold',
  PERFORMANCE_DEGRADED = 'performance_degraded'
}

// 质量标准
interface QualityCriteria {
  coverage: CoverageThreshold;
  passRate: number;
  performance: PerformanceCriteria;
  security: SecurityCriteria;
}

// 性能标准
interface PerformanceCriteria {
  responseTime: number;
  throughput: number;
  errorRate: number;
}

// 安全标准
interface SecurityCriteria {
  vulnerabilities: VulnerabilityCriteria;
  compliance: ComplianceCriteria[];
}

// 漏洞标准
interface VulnerabilityCriteria {
  critical: number;
  high: number;
  medium: number;
  low: number;
}

// 合规标准
interface ComplianceCriteria {
  standard: string;
  level: string;
  required: boolean;
}

// 质量报告
interface QualityReport {
  id: string;
  criteria: QualityCriteria;
  results: QualityResult[];
  overallScore: number;
  passed: boolean;
  generatedAt: Date;
}

// 质量结果
interface QualityResult {
  category: QualityCategory;
  score: number;
  passed: boolean;
  details: QualityDetail[];
}

// 质量类别
enum QualityCategory {
  COVERAGE = 'coverage',
  PASS_RATE = 'pass_rate',
  PERFORMANCE = 'performance',
  SECURITY = 'security'
}

// 质量详情
interface QualityDetail {
  metric: string;
  expected: number;
  actual: number;
  passed: boolean;
  message: string;
}

17.3 测试运行器

// 测试运行器接口
interface TestRunner {
  runTests(config: TestConfig): Promise<TestCaseResult[]>;
  setup?(config: TestConfig): Promise<void>;
  teardown?(config: TestConfig): Promise<void>;
}

// 单元测试运行器
class UnitTestRunner implements TestRunner {
  async runTests(config: TestConfig): Promise<TestCaseResult[]> {
    const results: TestCaseResult[] = [];
    
    for (const suite of config.testSuites) {
      const suiteResults = await this.runTestSuite(suite, config);
      results.push(...suiteResults);
    }
    
    return results;
  }
  
  private async runTestSuite(suite: string, config: TestConfig): Promise<TestCaseResult[]> {
    const results: TestCaseResult[] = [];
    
    try {
      // 加载测试套件
      const testSuite = await this.loadTestSuite(suite);
      
      // 运行测试用例
      for (const testCase of testSuite.testCases) {
        const result = await this.runTestCase(testCase, suite, config);
        results.push(result);
      }
    } catch (error) {
      // 创建错误结果
      results.push({
        id: this.generateTestCaseId(),
        name: `Suite: ${suite}`,
        suite,
        type: TestType.UNIT,
        status: TestCaseStatus.ERROR,
        duration: 0,
        error: {
          message: error.message,
          stack: error.stack,
          type: error.constructor.name
        }
      });
    }
    
    return results;
  }
  
  private async runTestCase(testCase: TestCase, suite: string, config: TestConfig): Promise<TestCaseResult> {
    const startTime = Date.now();
    const assertions: AssertionResult[] = [];
    
    try {
      // 设置测试环境
      await this.setupTestCase(testCase, config);
      
      // 执行测试
      const assertionContext = new AssertionContext();
      await testCase.execute(assertionContext);
      
      // 收集断言结果
      assertions.push(...assertionContext.getResults());
      
      const duration = Date.now() - startTime;
      const failed = assertions.some(a => !a.passed);
      
      return {
        id: this.generateTestCaseId(),
        name: testCase.name,
        description: testCase.description,
        suite,
        type: TestType.UNIT,
        status: failed ? TestCaseStatus.FAILED : TestCaseStatus.PASSED,
        duration,
        assertions
      };
    } catch (error) {
      const duration = Date.now() - startTime;
      
      return {
        id: this.generateTestCaseId(),
        name: testCase.name,
        description: testCase.description,
        suite,
        type: TestType.UNIT,
        status: TestCaseStatus.ERROR,
        duration,
        error: {
          message: error.message,
          stack: error.stack,
          type: error.constructor.name
        },
        assertions
      };
    } finally {
      // 清理测试环境
      await this.teardownTestCase(testCase, config);
    }
  }
  
  private async loadTestSuite(suite: string): Promise<TestSuite> {
    // 模拟加载测试套件
    return {
      name: suite,
      testCases: [
        {
          name: 'should create user',
          description: 'Test user creation functionality',
          execute: async (assert) => {
            const user = { id: 1, name: 'John Doe' };
            assert.equal(user.id, 1, 'User ID should be 1');
            assert.equal(user.name, 'John Doe', 'User name should be John Doe');
          }
        },
        {
          name: 'should validate user data',
          description: 'Test user data validation',
          execute: async (assert) => {
            const isValid = true; // 模拟验证结果
            assert.true(isValid, 'User data should be valid');
          }
        }
      ]
    };
  }
  
  private async setupTestCase(testCase: TestCase, config: TestConfig): Promise<void> {
    // 设置测试用例环境
  }
  
  private async teardownTestCase(testCase: TestCase, config: TestConfig): Promise<void> {
    // 清理测试用例环境
  }
  
  private generateTestCaseId(): string {
    return `case_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
  }
}

// 集成测试运行器
class IntegrationTestRunner implements TestRunner {
  async runTests(config: TestConfig): Promise<TestCaseResult[]> {
    const results: TestCaseResult[] = [];
    
    // 设置集成测试环境
    await this.setupIntegrationEnvironment(config);
    
    try {
      for (const suite of config.testSuites) {
        const suiteResults = await this.runIntegrationSuite(suite, config);
        results.push(...suiteResults);
      }
    } finally {
      // 清理集成测试环境
      await this.teardownIntegrationEnvironment(config);
    }
    
    return results;
  }
  
  private async setupIntegrationEnvironment(config: TestConfig): Promise<void> {
    // 启动测试数据库
    // 启动测试服务
    // 初始化测试数据
    console.log('Setting up integration test environment');
  }
  
  private async teardownIntegrationEnvironment(config: TestConfig): Promise<void> {
    // 清理测试数据
    // 停止测试服务
    // 停止测试数据库
    console.log('Tearing down integration test environment');
  }
  
  private async runIntegrationSuite(suite: string, config: TestConfig): Promise<TestCaseResult[]> {
    // 运行集成测试套件
    return [
      {
        id: `integration_${Date.now()}`,
        name: 'API Integration Test',
        suite,
        type: TestType.INTEGRATION,
        status: TestCaseStatus.PASSED,
        duration: 1500
      }
    ];
  }
}

// E2E测试运行器
class E2ETestRunner implements TestRunner {
  private browser: Browser | null = null;
  
  async setup(config: TestConfig): Promise<void> {
    // 启动浏览器
    this.browser = await this.launchBrowser();
  }
  
  async teardown(config: TestConfig): Promise<void> {
    // 关闭浏览器
    if (this.browser) {
      await this.browser.close();
      this.browser = null;
    }
  }
  
  async runTests(config: TestConfig): Promise<TestCaseResult[]> {
    const results: TestCaseResult[] = [];
    
    if (!this.browser) {
      await this.setup(config);
    }
    
    for (const suite of config.testSuites) {
      const suiteResults = await this.runE2ESuite(suite, config);
      results.push(...suiteResults);
    }
    
    return results;
  }
  
  private async launchBrowser(): Promise<Browser> {
    // 模拟启动浏览器
    return {
      newPage: async () => ({
        goto: async (url: string) => {},
        click: async (selector: string) => {},
        type: async (selector: string, text: string) => {},
        screenshot: async () => Buffer.from(''),
        close: async () => {}
      }),
      close: async () => {}
    } as any;
  }
  
  private async runE2ESuite(suite: string, config: TestConfig): Promise<TestCaseResult[]> {
    const results: TestCaseResult[] = [];
    const page = await this.browser!.newPage();
    
    try {
      // 导航到测试页面
      await page.goto(config.environment.baseUrl || 'http://localhost:3000');
      
      // 运行E2E测试用例
      const testResult: TestCaseResult = {
        id: `e2e_${Date.now()}`,
        name: 'User Login Flow',
        suite,
        type: TestType.E2E,
        status: TestCaseStatus.PASSED,
        duration: 3000,
        screenshots: ['screenshot1.png']
      };
      
      results.push(testResult);
    } finally {
      await page.close();
    }
    
    return results;
  }
}

// 性能测试运行器
class PerformanceTestRunner implements TestRunner {
  async runTests(config: TestConfig): Promise<TestCaseResult[]> {
    const results: TestCaseResult[] = [];
    
    for (const suite of config.testSuites) {
      const suiteResults = await this.runPerformanceSuite(suite, config);
      results.push(...suiteResults);
    }
    
    return results;
  }
  
  private async runPerformanceSuite(suite: string, config: TestConfig): Promise<TestCaseResult[]> {
    // 运行性能测试
    const startTime = Date.now();
    
    // 模拟负载测试
    await this.simulateLoad(config);
    
    const duration = Date.now() - startTime;
    
    return [
      {
        id: `perf_${Date.now()}`,
        name: 'Load Test',
        suite,
        type: TestType.PERFORMANCE,
        status: TestCaseStatus.PASSED,
        duration
      }
    ];
  }
  
  private async simulateLoad(config: TestConfig): Promise<void> {
    // 模拟负载测试
    await new Promise(resolve => setTimeout(resolve, 2000));
  }
}

// 安全测试运行器
class SecurityTestRunner implements TestRunner {
  async runTests(config: TestConfig): Promise<TestCaseResult[]> {
    const results: TestCaseResult[] = [];
    
    for (const suite of config.testSuites) {
      const suiteResults = await this.runSecuritySuite(suite, config);
      results.push(...suiteResults);
    }
    
    return results;
  }
  
  private async runSecuritySuite(suite: string, config: TestConfig): Promise<TestCaseResult[]> {
    // 运行安全测试
    return [
      {
        id: `sec_${Date.now()}`,
        name: 'SQL Injection Test',
        suite,
        type: TestType.SECURITY,
        status: TestCaseStatus.PASSED,
        duration: 1000
      },
      {
        id: `sec_${Date.now() + 1}`,
        name: 'XSS Vulnerability Test',
        suite,
        type: TestType.SECURITY,
        status: TestCaseStatus.PASSED,
        duration: 800
      }
    ];
  }
}

// API测试运行器
class APITestRunner implements TestRunner {
  async runTests(config: TestConfig): Promise<TestCaseResult[]> {
    const results: TestCaseResult[] = [];
    
    for (const suite of config.testSuites) {
      const suiteResults = await this.runAPISuite(suite, config);
      results.push(...suiteResults);
    }
    
    return results;
  }
  
  private async runAPISuite(suite: string, config: TestConfig): Promise<TestCaseResult[]> {
    // 运行API测试
    return [
      {
        id: `api_${Date.now()}`,
        name: 'GET /api/users',
        suite,
        type: TestType.API,
        status: TestCaseStatus.PASSED,
        duration: 200
      },
      {
        id: `api_${Date.now() + 1}`,
        name: 'POST /api/users',
        suite,
        type: TestType.API,
        status: TestCaseStatus.PASSED,
        duration: 300
      }
    ];
  }
}

// UI测试运行器
class UITestRunner implements TestRunner {
  async runTests(config: TestConfig): Promise<TestCaseResult[]> {
    const results: TestCaseResult[] = [];
    
    for (const suite of config.testSuites) {
      const suiteResults = await this.runUISuite(suite, config);
      results.push(...suiteResults);
    }
    
    return results;
  }
  
  private async runUISuite(suite: string, config: TestConfig): Promise<TestCaseResult[]> {
    // 运行UI测试
    return [
      {
        id: `ui_${Date.now()}`,
        name: 'Button Click Test',
        suite,
        type: TestType.UI,
        status: TestCaseStatus.PASSED,
        duration: 500
      },
      {
        id: `ui_${Date.now() + 1}`,
        name: 'Form Validation Test',
        suite,
        type: TestType.UI,
        status: TestCaseStatus.PASSED,
        duration: 800
      }
    ];
  }
}

// 测试套件
interface TestSuite {
  name: string;
  testCases: TestCase[];
}

// 测试用例
interface TestCase {
  name: string;
  description?: string;
  execute: (assert: AssertionContext) => Promise<void>;
}

// 断言上下文
class AssertionContext {
  private results: AssertionResult[] = [];
  
  equal(actual: any, expected: any, message?: string): void {
    const passed = actual === expected;
    this.results.push({
      description: message || `Expected ${actual} to equal ${expected}`,
      passed,
      expected,
      actual,
      message
    });
  }
  
  true(actual: boolean, message?: string): void {
    this.results.push({
      description: message || `Expected ${actual} to be true`,
      passed: actual === true,
      expected: true,
      actual,
      message
    });
  }
  
  false(actual: boolean, message?: string): void {
    this.results.push({
      description: message || `Expected ${actual} to be false`,
      passed: actual === false,
      expected: false,
      actual,
      message
    });
  }
  
  getResults(): AssertionResult[] {
    return [...this.results];
  }
}

// 浏览器接口(简化)
interface Browser {
  newPage(): Promise<Page>;
  close(): Promise<void>;
}

// 页面接口(简化)
interface Page {
  goto(url: string): Promise<void>;
  click(selector: string): Promise<void>;
  type(selector: string, text: string): Promise<void>;
  screenshot(): Promise<Buffer>;
  close(): Promise<void>;
}

17.4 质量分析器

// 质量分析器接口
interface QualityAnalyzer {
  validateQuality(criteria: QualityCriteria, testResults: TestResult[]): Promise<QualityReport>;
  analyzeCoverage(coverageResults: CoverageResult[]): Promise<CoverageAnalysis>;
  analyzePerformance(performanceResults: PerformanceResult[]): Promise<PerformanceAnalysis>;
  analyzeSecurity(securityResults: SecurityResult[]): Promise<SecurityAnalysis>;
}

// 质量分析器实现
class LowCodeQualityAnalyzer implements QualityAnalyzer {
  async validateQuality(criteria: QualityCriteria, testResults: TestResult[]): Promise<QualityReport> {
    const reportId = this.generateReportId();
    const results: QualityResult[] = [];
    
    // 分析覆盖率
    const coverageResult = await this.analyzeCoverageQuality(criteria.coverage, testResults);
    results.push(coverageResult);
    
    // 分析通过率
    const passRateResult = await this.analyzePassRate(criteria.passRate, testResults);
    results.push(passRateResult);
    
    // 分析性能
    const performanceResult = await this.analyzePerformanceQuality(criteria.performance, testResults);
    results.push(performanceResult);
    
    // 分析安全性
    const securityResult = await this.analyzeSecurityQuality(criteria.security, testResults);
    results.push(securityResult);
    
    // 计算总体评分
    const overallScore = this.calculateOverallScore(results);
    const passed = results.every(r => r.passed);
    
    return {
      id: reportId,
      criteria,
      results,
      overallScore,
      passed,
      generatedAt: new Date()
    };
  }
  
  async analyzeCoverage(coverageResults: CoverageResult[]): Promise<CoverageAnalysis> {
    if (coverageResults.length === 0) {
      return {
        overall: { total: 0, covered: 0, percentage: 0 },
        byType: new Map(),
        trends: [],
        recommendations: ['No coverage data available']
      };
    }
    
    // 合并覆盖率数据
    const merged = this.mergeCoverageResults(coverageResults);
    
    // 分析趋势
    const trends = this.analyzeCoverageTrends(coverageResults);
    
    // 生成建议
    const recommendations = this.generateCoverageRecommendations(merged);
    
    return {
      overall: merged.statements,
      byType: new Map([
        ['statements', merged.statements],
        ['branches', merged.branches],
        ['functions', merged.functions],
        ['lines', merged.lines]
      ]),
      trends,
      recommendations
    };
  }
  
  async analyzePerformance(performanceResults: PerformanceResult[]): Promise<PerformanceAnalysis> {
    if (performanceResults.length === 0) {
      return {
        responseTime: { average: 0, p95: 0, p99: 0 },
        throughput: { average: 0, peak: 0 },
        errorRate: 0,
        trends: [],
        bottlenecks: [],
        recommendations: ['No performance data available']
      };
    }
    
    // 分析响应时间
    const responseTime = this.analyzeResponseTime(performanceResults);
    
    // 分析吞吐量
    const throughput = this.analyzeThroughput(performanceResults);
    
    // 分析错误率
    const errorRate = this.analyzeErrorRate(performanceResults);
    
    // 识别瓶颈
    const bottlenecks = this.identifyBottlenecks(performanceResults);
    
    // 生成建议
    const recommendations = this.generatePerformanceRecommendations(performanceResults);
    
    return {
      responseTime,
      throughput,
      errorRate,
      trends: [],
      bottlenecks,
      recommendations
    };
  }
  
  async analyzeSecurity(securityResults: SecurityResult[]): Promise<SecurityAnalysis> {
    if (securityResults.length === 0) {
      return {
        vulnerabilities: { critical: 0, high: 0, medium: 0, low: 0 },
        compliance: [],
        riskScore: 0,
        recommendations: ['No security data available']
      };
    }
    
    // 统计漏洞
    const vulnerabilities = this.countVulnerabilities(securityResults);
    
    // 检查合规性
    const compliance = this.checkCompliance(securityResults);
    
    // 计算风险评分
    const riskScore = this.calculateRiskScore(vulnerabilities);
    
    // 生成建议
    const recommendations = this.generateSecurityRecommendations(securityResults);
    
    return {
      vulnerabilities,
      compliance,
      riskScore,
      recommendations
    };
  }
  
  private async analyzeCoverageQuality(threshold: CoverageThreshold, testResults: TestResult[]): Promise<QualityResult> {
    const details: QualityDetail[] = [];
    let totalScore = 0;
    let maxScore = 0;
    
    // 收集覆盖率数据
    const coverageResults = testResults
      .map(r => r.coverage)
      .filter(c => c !== undefined) as CoverageResult[];
    
    if (coverageResults.length === 0) {
      return {
        category: QualityCategory.COVERAGE,
        score: 0,
        passed: false,
        details: [{
          metric: 'coverage',
          expected: 0,
          actual: 0,
          passed: false,
          message: 'No coverage data available'
        }]
      };
    }
    
    const merged = this.mergeCoverageResults(coverageResults);
    
    // 检查语句覆盖率
    if (threshold.statements !== undefined) {
      const passed = merged.statements.percentage >= threshold.statements;
      details.push({
        metric: 'statements',
        expected: threshold.statements,
        actual: merged.statements.percentage,
        passed,
        message: `Statement coverage: ${merged.statements.percentage.toFixed(2)}%`
      });
      if (passed) totalScore += 25;
      maxScore += 25;
    }
    
    // 检查分支覆盖率
    if (threshold.branches !== undefined) {
      const passed = merged.branches.percentage >= threshold.branches;
      details.push({
        metric: 'branches',
        expected: threshold.branches,
        actual: merged.branches.percentage,
        passed,
        message: `Branch coverage: ${merged.branches.percentage.toFixed(2)}%`
      });
      if (passed) totalScore += 25;
      maxScore += 25;
    }
    
    // 检查函数覆盖率
    if (threshold.functions !== undefined) {
      const passed = merged.functions.percentage >= threshold.functions;
      details.push({
        metric: 'functions',
        expected: threshold.functions,
        actual: merged.functions.percentage,
        passed,
        message: `Function coverage: ${merged.functions.percentage.toFixed(2)}%`
      });
      if (passed) totalScore += 25;
      maxScore += 25;
    }
    
    // 检查行覆盖率
    if (threshold.lines !== undefined) {
      const passed = merged.lines.percentage >= threshold.lines;
      details.push({
        metric: 'lines',
        expected: threshold.lines,
        actual: merged.lines.percentage,
        passed,
        message: `Line coverage: ${merged.lines.percentage.toFixed(2)}%`
      });
      if (passed) totalScore += 25;
      maxScore += 25;
    }
    
    const score = maxScore > 0 ? (totalScore / maxScore) * 100 : 0;
    const passed = details.every(d => d.passed);
    
    return {
      category: QualityCategory.COVERAGE,
      score,
      passed,
      details
    };
  }
  
  private async analyzePassRate(threshold: number, testResults: TestResult[]): Promise<QualityResult> {
    if (testResults.length === 0) {
      return {
        category: QualityCategory.PASS_RATE,
        score: 0,
        passed: false,
        details: [{
          metric: 'pass_rate',
          expected: threshold,
          actual: 0,
          passed: false,
          message: 'No test results available'
        }]
      };
    }
    
    // 计算总体通过率
    const totalTests = testResults.reduce((sum, r) => sum + r.stats.totalCount, 0);
    const passedTests = testResults.reduce((sum, r) => sum + r.stats.passedCount, 0);
    const actualPassRate = totalTests > 0 ? (passedTests / totalTests) * 100 : 0;
    
    const passed = actualPassRate >= threshold;
    
    return {
      category: QualityCategory.PASS_RATE,
      score: Math.min(actualPassRate, 100),
      passed,
      details: [{
        metric: 'pass_rate',
        expected: threshold,
        actual: actualPassRate,
        passed,
        message: `Test pass rate: ${actualPassRate.toFixed(2)}%`
      }]
    };
  }
  
  private async analyzePerformanceQuality(criteria: PerformanceCriteria, testResults: TestResult[]): Promise<QualityResult> {
    // 获取性能测试结果
    const performanceResults = testResults
      .filter(r => r.config.testTypes.includes(TestType.PERFORMANCE))
      .map(r => this.extractPerformanceMetrics(r))
      .filter(p => p !== null) as PerformanceResult[];
    
    if (performanceResults.length === 0) {
      return {
        category: QualityCategory.PERFORMANCE,
        score: 0,
        passed: false,
        details: [{
          metric: 'performance',
          expected: 0,
          actual: 0,
          passed: false,
          message: 'No performance test results available'
        }]
      };
    }
    
    const details: QualityDetail[] = [];
    let totalScore = 0;
    let maxScore = 0;
    
    // 检查响应时间
    const avgResponseTime = this.calculateAverageResponseTime(performanceResults);
    const responseTimePassed = avgResponseTime <= criteria.responseTime;
    details.push({
      metric: 'response_time',
      expected: criteria.responseTime,
      actual: avgResponseTime,
      passed: responseTimePassed,
      message: `Average response time: ${avgResponseTime.toFixed(2)}ms`
    });
    if (responseTimePassed) totalScore += 34;
    maxScore += 34;
    
    // 检查吞吐量
    const avgThroughput = this.calculateAverageThroughput(performanceResults);
    const throughputPassed = avgThroughput >= criteria.throughput;
    details.push({
      metric: 'throughput',
      expected: criteria.throughput,
      actual: avgThroughput,
      passed: throughputPassed,
      message: `Average throughput: ${avgThroughput.toFixed(2)} req/s`
    });
    if (throughputPassed) totalScore += 33;
    maxScore += 33;
    
    // 检查错误率
    const avgErrorRate = this.calculateAverageErrorRate(performanceResults);
    const errorRatePassed = avgErrorRate <= criteria.errorRate;
    details.push({
      metric: 'error_rate',
      expected: criteria.errorRate,
      actual: avgErrorRate,
      passed: errorRatePassed,
      message: `Average error rate: ${(avgErrorRate * 100).toFixed(2)}%`
    });
    if (errorRatePassed) totalScore += 33;
    maxScore += 33;
    
    const score = maxScore > 0 ? (totalScore / maxScore) * 100 : 0;
    const passed = details.every(d => d.passed);
    
    return {
      category: QualityCategory.PERFORMANCE,
      score,
      passed,
      details
    };
  }
  
  private async analyzeSecurityQuality(criteria: SecurityCriteria, testResults: TestResult[]): Promise<QualityResult> {
    // 获取安全测试结果
    const securityResults = testResults
      .filter(r => r.config.testTypes.includes(TestType.SECURITY))
      .map(r => this.extractSecurityMetrics(r))
      .filter(s => s !== null) as SecurityResult[];
    
    if (securityResults.length === 0) {
      return {
        category: QualityCategory.SECURITY,
        score: 100, // 没有安全测试时假设安全
        passed: true,
        details: [{
          metric: 'security',
          expected: 0,
          actual: 0,
          passed: true,
          message: 'No security test results available'
        }]
      };
    }
    
    const vulnerabilities = this.countVulnerabilities(securityResults);
    const details: QualityDetail[] = [];
    let totalScore = 100; // 从满分开始扣分
    
    // 检查严重漏洞
    const criticalPassed = vulnerabilities.critical <= criteria.vulnerabilities.critical;
    details.push({
      metric: 'critical_vulnerabilities',
      expected: criteria.vulnerabilities.critical,
      actual: vulnerabilities.critical,
      passed: criticalPassed,
      message: `Critical vulnerabilities: ${vulnerabilities.critical}`
    });
    if (!criticalPassed) totalScore -= 40;
    
    // 检查高危漏洞
    const highPassed = vulnerabilities.high <= criteria.vulnerabilities.high;
    details.push({
      metric: 'high_vulnerabilities',
      expected: criteria.vulnerabilities.high,
      actual: vulnerabilities.high,
      passed: highPassed,
      message: `High vulnerabilities: ${vulnerabilities.high}`
    });
    if (!highPassed) totalScore -= 30;
    
    // 检查中危漏洞
    const mediumPassed = vulnerabilities.medium <= criteria.vulnerabilities.medium;
    details.push({
      metric: 'medium_vulnerabilities',
      expected: criteria.vulnerabilities.medium,
      actual: vulnerabilities.medium,
      passed: mediumPassed,
      message: `Medium vulnerabilities: ${vulnerabilities.medium}`
    });
    if (!mediumPassed) totalScore -= 20;
    
    // 检查低危漏洞
    const lowPassed = vulnerabilities.low <= criteria.vulnerabilities.low;
    details.push({
      metric: 'low_vulnerabilities',
      expected: criteria.vulnerabilities.low,
      actual: vulnerabilities.low,
      passed: lowPassed,
      message: `Low vulnerabilities: ${vulnerabilities.low}`
    });
    if (!lowPassed) totalScore -= 10;
    
    const score = Math.max(0, totalScore);
    const passed = details.every(d => d.passed);
    
    return {
      category: QualityCategory.SECURITY,
      score,
      passed,
      details
    };
  }
  
  private calculateOverallScore(results: QualityResult[]): number {
    if (results.length === 0) return 0;
    
    const totalScore = results.reduce((sum, r) => sum + r.score, 0);
    return totalScore / results.length;
  }
  
  private mergeCoverageResults(results: CoverageResult[]): CoverageResult {
    if (results.length === 0) {
      return {
        statements: { total: 0, covered: 0, percentage: 0 },
        branches: { total: 0, covered: 0, percentage: 0 },
        functions: { total: 0, covered: 0, percentage: 0 },
        lines: { total: 0, covered: 0, percentage: 0 },
        files: []
      };
    }
    
    const merged = {
      statements: { total: 0, covered: 0, percentage: 0 },
      branches: { total: 0, covered: 0, percentage: 0 },
      functions: { total: 0, covered: 0, percentage: 0 },
      lines: { total: 0, covered: 0, percentage: 0 },
      files: [] as FileCoverage[]
    };
    
    // 合并指标
    for (const result of results) {
      merged.statements.total += result.statements.total;
      merged.statements.covered += result.statements.covered;
      merged.branches.total += result.branches.total;
      merged.branches.covered += result.branches.covered;
      merged.functions.total += result.functions.total;
      merged.functions.covered += result.functions.covered;
      merged.lines.total += result.lines.total;
      merged.lines.covered += result.lines.covered;
      merged.files.push(...result.files);
    }
    
    // 计算百分比
    merged.statements.percentage = merged.statements.total > 0 ? 
      (merged.statements.covered / merged.statements.total) * 100 : 0;
    merged.branches.percentage = merged.branches.total > 0 ? 
      (merged.branches.covered / merged.branches.total) * 100 : 0;
    merged.functions.percentage = merged.functions.total > 0 ? 
      (merged.functions.covered / merged.functions.total) * 100 : 0;
    merged.lines.percentage = merged.lines.total > 0 ? 
      (merged.lines.covered / merged.lines.total) * 100 : 0;
    
    return merged;
  }
  
  private analyzeCoverageTrends(results: CoverageResult[]): CoverageTrend[] {
    // 简化的趋势分析
    return results.map((result, index) => ({
      timestamp: new Date(Date.now() - (results.length - index) * 24 * 60 * 60 * 1000),
      statements: result.statements.percentage,
      branches: result.branches.percentage,
      functions: result.functions.percentage,
      lines: result.lines.percentage
    }));
  }
  
  private generateCoverageRecommendations(coverage: CoverageResult): string[] {
    const recommendations: string[] = [];
    
    if (coverage.statements.percentage < 80) {
      recommendations.push('Increase statement coverage by adding more unit tests');
    }
    if (coverage.branches.percentage < 70) {
      recommendations.push('Improve branch coverage by testing edge cases');
    }
    if (coverage.functions.percentage < 90) {
      recommendations.push('Add tests for uncovered functions');
    }
    if (coverage.lines.percentage < 85) {
      recommendations.push('Increase line coverage by testing more code paths');
    }
    
    if (recommendations.length === 0) {
      recommendations.push('Coverage looks good! Consider maintaining current levels');
    }
    
    return recommendations;
  }
  
  private analyzeResponseTime(results: PerformanceResult[]): ResponseTimeMetrics {
    const responseTimes = results.flatMap(r => r.responseTimes);
    responseTimes.sort((a, b) => a - b);
    
    const average = responseTimes.reduce((sum, time) => sum + time, 0) / responseTimes.length;
    const p95Index = Math.floor(responseTimes.length * 0.95);
    const p99Index = Math.floor(responseTimes.length * 0.99);
    
    return {
      average,
      p95: responseTimes[p95Index] || 0,
      p99: responseTimes[p99Index] || 0
    };
  }
  
  private analyzeThroughput(results: PerformanceResult[]): ThroughputMetrics {
    const throughputs = results.map(r => r.throughput);
    const average = throughputs.reduce((sum, tp) => sum + tp, 0) / throughputs.length;
    const peak = Math.max(...throughputs);
    
    return { average, peak };
  }
  
  private analyzeErrorRate(results: PerformanceResult[]): number {
    const totalRequests = results.reduce((sum, r) => sum + r.totalRequests, 0);
    const totalErrors = results.reduce((sum, r) => sum + r.errors, 0);
    
    return totalRequests > 0 ? totalErrors / totalRequests : 0;
  }
  
  private identifyBottlenecks(results: PerformanceResult[]): PerformanceBottleneck[] {
    const bottlenecks: PerformanceBottleneck[] = [];
    
    // 识别响应时间瓶颈
    const avgResponseTime = this.calculateAverageResponseTime(results);
    if (avgResponseTime > 1000) {
      bottlenecks.push({
        type: 'response_time',
        severity: 'high',
        description: `High average response time: ${avgResponseTime.toFixed(2)}ms`,
        recommendation: 'Optimize database queries and reduce API call overhead'
      });
    }
    
    // 识别吞吐量瓶颈
    const avgThroughput = this.calculateAverageThroughput(results);
    if (avgThroughput < 100) {
      bottlenecks.push({
        type: 'throughput',
        severity: 'medium',
        description: `Low throughput: ${avgThroughput.toFixed(2)} req/s`,
        recommendation: 'Scale horizontally or optimize resource utilization'
      });
    }
    
    return bottlenecks;
  }
  
  private generatePerformanceRecommendations(results: PerformanceResult[]): string[] {
    const recommendations: string[] = [];
    
    const avgResponseTime = this.calculateAverageResponseTime(results);
    const avgThroughput = this.calculateAverageThroughput(results);
    const avgErrorRate = this.calculateAverageErrorRate(results);
    
    if (avgResponseTime > 500) {
      recommendations.push('Consider implementing caching to reduce response times');
    }
    if (avgThroughput < 200) {
      recommendations.push('Optimize application performance or scale infrastructure');
    }
    if (avgErrorRate > 0.01) {
      recommendations.push('Investigate and fix sources of errors');
    }
    
    if (recommendations.length === 0) {
      recommendations.push('Performance metrics look good!');
    }
    
    return recommendations;
  }
  
  private countVulnerabilities(results: SecurityResult[]): VulnerabilityCount {
    const count = { critical: 0, high: 0, medium: 0, low: 0 };
    
    for (const result of results) {
      for (const vuln of result.vulnerabilities) {
        count[vuln.severity]++;
      }
    }
    
    return count;
  }
  
  private checkCompliance(results: SecurityResult[]): ComplianceResult[] {
    // 简化的合规性检查
    return [
      {
        standard: 'OWASP Top 10',
        level: 'Basic',
        passed: true,
        score: 95
      },
      {
        standard: 'ISO 27001',
        level: 'Intermediate',
        passed: false,
        score: 75
      }
    ];
  }
  
  private calculateRiskScore(vulnerabilities: VulnerabilityCount): number {
    // 风险评分算法
    const criticalWeight = 10;
    const highWeight = 5;
    const mediumWeight = 2;
    const lowWeight = 1;
    
    const totalRisk = 
      vulnerabilities.critical * criticalWeight +
      vulnerabilities.high * highWeight +
      vulnerabilities.medium * mediumWeight +
      vulnerabilities.low * lowWeight;
    
    // 将风险评分转换为0-100的分数(分数越低风险越高)
    return Math.max(0, 100 - totalRisk);
  }
  
  private generateSecurityRecommendations(results: SecurityResult[]): string[] {
    const recommendations: string[] = [];
    const vulnerabilities = this.countVulnerabilities(results);
    
    if (vulnerabilities.critical > 0) {
      recommendations.push('Immediately address critical security vulnerabilities');
    }
    if (vulnerabilities.high > 0) {
      recommendations.push('Prioritize fixing high-severity vulnerabilities');
    }
    if (vulnerabilities.medium > 5) {
      recommendations.push('Plan to address medium-severity vulnerabilities');
    }
    
    recommendations.push('Implement regular security scanning in CI/CD pipeline');
    recommendations.push('Conduct periodic security audits and penetration testing');
    
    return recommendations;
  }
  
  private extractPerformanceMetrics(testResult: TestResult): PerformanceResult | null {
    // 从测试结果中提取性能指标(简化实现)
    return {
      responseTimes: [100, 150, 200, 120, 180], // 模拟数据
      throughput: 250,
      totalRequests: 1000,
      errors: 5
    };
  }
  
  private extractSecurityMetrics(testResult: TestResult): SecurityResult | null {
    // 从测试结果中提取安全指标(简化实现)
    return {
      vulnerabilities: [
        {
          id: 'vuln-1',
          type: 'SQL Injection',
          severity: 'medium',
          description: 'Potential SQL injection vulnerability',
          location: '/api/users'
        }
      ],
      compliance: []
    };
  }
  
  private calculateAverageResponseTime(results: PerformanceResult[]): number {
    const allTimes = results.flatMap(r => r.responseTimes);
    return allTimes.reduce((sum, time) => sum + time, 0) / allTimes.length;
  }
  
  private calculateAverageThroughput(results: PerformanceResult[]): number {
    const throughputs = results.map(r => r.throughput);
    return throughputs.reduce((sum, tp) => sum + tp, 0) / throughputs.length;
  }
  
  private calculateAverageErrorRate(results: PerformanceResult[]): number {
    const totalRequests = results.reduce((sum, r) => sum + r.totalRequests, 0);
    const totalErrors = results.reduce((sum, r) => sum + r.errors, 0);
    
    return totalRequests > 0 ? totalErrors / totalRequests : 0;
  }
  
  private generateReportId(): string {
    return `quality_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
  }
}

// 辅助接口和类型
interface CoverageAnalysis {
  overall: CoverageMetric;
  byType: Map<string, CoverageMetric>;
  trends: CoverageTrend[];
  recommendations: string[];
}

interface CoverageTrend {
  timestamp: Date;
  statements: number;
  branches: number;
  functions: number;
  lines: number;
}

interface PerformanceAnalysis {
  responseTime: ResponseTimeMetrics;
  throughput: ThroughputMetrics;
  errorRate: number;
  trends: PerformanceTrend[];
  bottlenecks: PerformanceBottleneck[];
  recommendations: string[];
}

interface ResponseTimeMetrics {
  average: number;
  p95: number;
  p99: number;
}

interface ThroughputMetrics {
  average: number;
  peak: number;
}

interface PerformanceTrend {
  timestamp: Date;
  responseTime: number;
  throughput: number;
  errorRate: number;
}

interface PerformanceBottleneck {
  type: string;
  severity: 'low' | 'medium' | 'high';
  description: string;
  recommendation: string;
}

interface PerformanceResult {
  responseTimes: number[];
  throughput: number;
  totalRequests: number;
  errors: number;
}

interface SecurityAnalysis {
  vulnerabilities: VulnerabilityCount;
  compliance: ComplianceResult[];
  riskScore: number;
  recommendations: string[];
}

interface VulnerabilityCount {
  critical: number;
  high: number;
  medium: number;
  low: number;
}

interface ComplianceResult {
  standard: string;
  level: string;
  passed: boolean;
  score: number;
}

interface SecurityResult {
  vulnerabilities: Vulnerability[];
  compliance: ComplianceCheck[];
}

interface Vulnerability {
  id: string;
  type: string;
  severity: 'critical' | 'high' | 'medium' | 'low';
  description: string;
  location: string;
}

interface ComplianceCheck {
  standard: string;
  requirement: string;
  passed: boolean;
  details: string;
}

17.5 测试调度器

// 测试调度器接口
interface TestScheduler {
  start(): Promise<void>;
  stop(): Promise<void>;
  scheduleTests(schedule: TestSchedule): Promise<void>;
  unscheduleTests(scheduleId: string): Promise<void>;
  getSchedules(): Promise<TestSchedule[]>;
  triggerSchedule(scheduleId: string): Promise<void>;
}

// 测试调度器实现
class LowCodeTestScheduler implements TestScheduler {
  private schedules: Map<string, TestSchedule> = new Map();
  private timers: Map<string, NodeJS.Timeout> = new Map();
  private testManager: TestManager;
  private notificationService: NotificationService;
  private isRunning: boolean = false;
  
  constructor(
    testManager: TestManager,
    notificationService: NotificationService
  ) {
    this.testManager = testManager;
    this.notificationService = notificationService;
  }
  
  async start(): Promise<void> {
    if (this.isRunning) {
      throw new Error('Test scheduler is already running');
    }
    
    this.isRunning = true;
    
    // 启动所有已启用的调度
    for (const schedule of this.schedules.values()) {
      if (schedule.enabled) {
        await this.startSchedule(schedule);
      }
    }
    
    console.log('Test scheduler started');
  }
  
  async stop(): Promise<void> {
    if (!this.isRunning) {
      throw new Error('Test scheduler is not running');
    }
    
    this.isRunning = false;
    
    // 停止所有定时器
    for (const [scheduleId, timer] of this.timers) {
      clearTimeout(timer);
      this.timers.delete(scheduleId);
    }
    
    console.log('Test scheduler stopped');
  }
  
  async scheduleTests(schedule: TestSchedule): Promise<void> {
    // 验证调度配置
    this.validateSchedule(schedule);
    
    // 保存调度
    this.schedules.set(schedule.id, schedule);
    
    // 如果调度器正在运行且调度已启用,则启动调度
    if (this.isRunning && schedule.enabled) {
      await this.startSchedule(schedule);
    }
    
    console.log(`Test schedule '${schedule.name}' created`);
  }
  
  async unscheduleTests(scheduleId: string): Promise<void> {
    const schedule = this.schedules.get(scheduleId);
    if (!schedule) {
      throw new Error(`Schedule with ID '${scheduleId}' not found`);
    }
    
    // 停止定时器
    const timer = this.timers.get(scheduleId);
    if (timer) {
      clearTimeout(timer);
      this.timers.delete(scheduleId);
    }
    
    // 删除调度
    this.schedules.delete(scheduleId);
    
    console.log(`Test schedule '${schedule.name}' removed`);
  }
  
  async getSchedules(): Promise<TestSchedule[]> {
    return Array.from(this.schedules.values());
  }
  
  async triggerSchedule(scheduleId: string): Promise<void> {
    const schedule = this.schedules.get(scheduleId);
    if (!schedule) {
      throw new Error(`Schedule with ID '${scheduleId}' not found`);
    }
    
    await this.executeSchedule(schedule);
  }
  
  private async startSchedule(schedule: TestSchedule): Promise<void> {
    // 停止现有定时器
    const existingTimer = this.timers.get(schedule.id);
    if (existingTimer) {
      clearTimeout(existingTimer);
    }
    
    // 计算下次执行时间
    const nextExecution = this.calculateNextExecution(schedule.cron, schedule.timezone);
    const delay = nextExecution.getTime() - Date.now();
    
    // 设置定时器
    const timer = setTimeout(async () => {
      await this.executeSchedule(schedule);
      
      // 重新调度下次执行
      if (this.isRunning && schedule.enabled) {
        await this.startSchedule(schedule);
      }
    }, delay);
    
    this.timers.set(schedule.id, timer);
    
    console.log(`Schedule '${schedule.name}' will run at ${nextExecution.toISOString()}`);
  }
  
  private async executeSchedule(schedule: TestSchedule): Promise<void> {
    console.log(`Executing scheduled test: ${schedule.name}`);
    
    try {
      // 运行测试
      const testResult = await this.testManager.runTests(schedule.config);
      
      // 发送通知
      await this.sendNotifications(schedule, testResult);
      
      console.log(`Scheduled test '${schedule.name}' completed successfully`);
    } catch (error) {
      console.error(`Scheduled test '${schedule.name}' failed:`, error);
      
      // 发送错误通知
      await this.sendErrorNotifications(schedule, error);
    }
  }
  
  private async sendNotifications(schedule: TestSchedule, testResult: TestResult): Promise<void> {
    if (!schedule.notifications || schedule.notifications.length === 0) {
      return;
    }
    
    for (const notificationConfig of schedule.notifications) {
      for (const condition of notificationConfig.conditions) {
        if (this.shouldSendNotification(condition, testResult)) {
          await this.sendNotification(notificationConfig, testResult, condition.event);
        }
      }
    }
  }
  
  private async sendErrorNotifications(schedule: TestSchedule, error: any): Promise<void> {
    if (!schedule.notifications || schedule.notifications.length === 0) {
      return;
    }
    
    for (const notificationConfig of schedule.notifications) {
      await this.sendNotification(notificationConfig, null, NotificationEvent.TEST_FAILED, error.message);
    }
  }
  
  private shouldSendNotification(condition: NotificationCondition, testResult: TestResult): boolean {
    switch (condition.event) {
      case NotificationEvent.TEST_FAILED:
        return testResult.status === TestStatus.FAILED;
      
      case NotificationEvent.TEST_PASSED:
        return testResult.status === TestStatus.PASSED;
      
      case NotificationEvent.COVERAGE_BELOW_THRESHOLD:
        if (condition.threshold && testResult.coverage) {
          const overallCoverage = (
            testResult.coverage.statements.percentage +
            testResult.coverage.branches.percentage +
            testResult.coverage.functions.percentage +
            testResult.coverage.lines.percentage
          ) / 4;
          return overallCoverage < condition.threshold;
        }
        return false;
      
      case NotificationEvent.PERFORMANCE_DEGRADED:
        if (condition.threshold) {
          // 简化的性能检查
          return testResult.duration > condition.threshold;
        }
        return false;
      
      default:
        return false;
    }
  }
  
  private async sendNotification(
    config: NotificationConfig,
    testResult: TestResult | null,
    event: NotificationEvent,
    errorMessage?: string
  ): Promise<void> {
    const message = this.formatNotificationMessage(testResult, event, errorMessage);
    
    switch (config.type) {
      case NotificationType.EMAIL:
        await this.notificationService.sendEmail(config.recipients, message);
        break;
      
      case NotificationType.SLACK:
        await this.notificationService.sendSlack(config.recipients, message);
        break;
      
      case NotificationType.WEBHOOK:
        await this.notificationService.sendWebhook(config.recipients, message);
        break;
    }
  }
  
  private formatNotificationMessage(
    testResult: TestResult | null,
    event: NotificationEvent,
    errorMessage?: string
  ): string {
    if (errorMessage) {
      return `Test execution failed: ${errorMessage}`;
    }
    
    if (!testResult) {
      return 'Test notification';
    }
    
    switch (event) {
      case NotificationEvent.TEST_FAILED:
        return `Test '${testResult.config.name}' failed. ` +
               `Pass rate: ${(testResult.stats.passRate * 100).toFixed(2)}%`;
      
      case NotificationEvent.TEST_PASSED:
        return `Test '${testResult.config.name}' passed successfully. ` +
               `Pass rate: ${(testResult.stats.passRate * 100).toFixed(2)}%`;
      
      case NotificationEvent.COVERAGE_BELOW_THRESHOLD:
        return `Test '${testResult.config.name}' coverage below threshold.`;
      
      case NotificationEvent.PERFORMANCE_DEGRADED:
        return `Test '${testResult.config.name}' performance degraded. ` +
               `Duration: ${testResult.duration}ms`;
      
      default:
        return `Test '${testResult.config.name}' notification`;
    }
  }
  
  private validateSchedule(schedule: TestSchedule): void {
    if (!schedule.id || !schedule.name || !schedule.config || !schedule.cron) {
      throw new Error('Invalid schedule configuration');
    }
    
    // 验证cron表达式
    if (!this.isValidCronExpression(schedule.cron)) {
      throw new Error('Invalid cron expression');
    }
  }
  
  private isValidCronExpression(cron: string): boolean {
    // 简化的cron表达式验证
    const parts = cron.split(' ');
    return parts.length === 5 || parts.length === 6;
  }
  
  private calculateNextExecution(cron: string, timezone?: string): Date {
    // 简化的cron计算实现
    // 在实际项目中,应该使用专门的cron库如node-cron
    const now = new Date();
    
    // 解析cron表达式
    const parts = cron.split(' ');
    
    if (cron === '0 0 * * *') { // 每天午夜
      const next = new Date(now);
      next.setDate(next.getDate() + 1);
      next.setHours(0, 0, 0, 0);
      return next;
    }
    
    if (cron === '0 * * * *') { // 每小时
      const next = new Date(now);
      next.setHours(next.getHours() + 1, 0, 0, 0);
      return next;
    }
    
    if (cron === '*/5 * * * *') { // 每5分钟
      const next = new Date(now);
      next.setMinutes(next.getMinutes() + 5, 0, 0);
      return next;
    }
    
    // 默认1小时后执行
    const next = new Date(now);
    next.setHours(next.getHours() + 1);
    return next;
  }
}

// 通知服务接口
interface NotificationService {
  sendEmail(recipients: string[], message: string): Promise<void>;
  sendSlack(channels: string[], message: string): Promise<void>;
  sendWebhook(urls: string[], message: string): Promise<void>;
}

// 通知服务实现
class LowCodeNotificationService implements NotificationService {
  async sendEmail(recipients: string[], message: string): Promise<void> {
    console.log(`Sending email to ${recipients.join(', ')}: ${message}`);
    // 实际实现中会集成邮件服务
  }
  
  async sendSlack(channels: string[], message: string): Promise<void> {
    console.log(`Sending Slack message to ${channels.join(', ')}: ${message}`);
    // 实际实现中会集成Slack API
  }
  
  async sendWebhook(urls: string[], message: string): Promise<void> {
    console.log(`Sending webhook to ${urls.join(', ')}: ${message}`);
    // 实际实现中会发送HTTP请求
  }
}

17.6 报告生成器

// 测试报告生成器接口
interface TestReportGenerator {
  generate(config: ReportConfig, testResults: TestResult[]): Promise<TestReport>;
  generateHTML(testResults: TestResult[]): Promise<string>;
  generateJSON(testResults: TestResult[]): Promise<string>;
  generateXML(testResults: TestResult[]): Promise<string>;
  generateJUnit(testResults: TestResult[]): Promise<string>;
}

// 测试报告生成器实现
class LowCodeTestReportGenerator implements TestReportGenerator {
  private templateEngine: TemplateEngine;
  
  constructor(templateEngine: TemplateEngine) {
    this.templateEngine = templateEngine;
  }
  
  async generate(config: ReportConfig, testResults: TestResult[]): Promise<TestReport> {
    const reportId = this.generateReportId();
    const summary = this.generateSummary(testResults);
    const details = this.generateDetails(testResults);
    
    const report: TestReport = {
      id: reportId,
      config,
      summary,
      details,
      testResults,
      generatedAt: new Date()
    };
    
    // 生成不同格式的报告
    const outputs: ReportOutput[] = [];
    
    for (const format of config.formats) {
      let content: string;
      let mimeType: string;
      
      switch (format) {
        case ReportFormat.HTML:
          content = await this.generateHTML(testResults);
          mimeType = 'text/html';
          break;
        
        case ReportFormat.JSON:
          content = await this.generateJSON(testResults);
          mimeType = 'application/json';
          break;
        
        case ReportFormat.XML:
          content = await this.generateXML(testResults);
          mimeType = 'application/xml';
          break;
        
        case ReportFormat.JUNIT:
          content = await this.generateJUnit(testResults);
          mimeType = 'application/xml';
          break;
        
        default:
          continue;
      }
      
      outputs.push({
        format,
        content,
        mimeType,
        filename: `test-report-${reportId}.${format.toLowerCase()}`
      });
    }
    
    report.outputs = outputs;
    
    return report;
  }
  
  async generateHTML(testResults: TestResult[]): Promise<string> {
    const summary = this.generateSummary(testResults);
    const details = this.generateDetails(testResults);
    
    const templateData = {
      title: 'Test Report',
      generatedAt: new Date().toISOString(),
      summary,
      details,
      testResults
    };
    
    return await this.templateEngine.render('test-report.html', templateData);
  }
  
  async generateJSON(testResults: TestResult[]): Promise<string> {
    const summary = this.generateSummary(testResults);
    const details = this.generateDetails(testResults);
    
    const report = {
      generatedAt: new Date().toISOString(),
      summary,
      details,
      testResults
    };
    
    return JSON.stringify(report, null, 2);
  }
  
  async generateXML(testResults: TestResult[]): Promise<string> {
    const summary = this.generateSummary(testResults);
    
    let xml = '<?xml version="1.0" encoding="UTF-8"?>\n';
    xml += '<testReport>\n';
    xml += `  <generatedAt>${new Date().toISOString()}</generatedAt>\n`;
    xml += '  <summary>\n';
    xml += `    <totalTests>${summary.totalTests}</totalTests>\n`;
    xml += `    <passedTests>${summary.passedTests}</passedTests>\n`;
    xml += `    <failedTests>${summary.failedTests}</failedTests>\n`;
    xml += `    <skippedTests>${summary.skippedTests}</skippedTests>\n`;
    xml += `    <passRate>${summary.passRate}</passRate>\n`;
    xml += `    <totalDuration>${summary.totalDuration}</totalDuration>\n`;
    xml += '  </summary>\n';
    xml += '  <testResults>\n';
    
    for (const result of testResults) {
      xml += '    <testResult>\n';
      xml += `      <id>${result.id}</id>\n`;
      xml += `      <name>${this.escapeXml(result.config.name)}</name>\n`;
      xml += `      <status>${result.status}</status>\n`;
      xml += `      <duration>${result.duration}</duration>\n`;
      xml += `      <startTime>${result.startTime.toISOString()}</startTime>\n`;
      xml += `      <endTime>${result.endTime.toISOString()}</endTime>\n`;
      xml += '      <stats>\n';
      xml += `        <totalCount>${result.stats.totalCount}</totalCount>\n`;
      xml += `        <passedCount>${result.stats.passedCount}</passedCount>\n`;
      xml += `        <failedCount>${result.stats.failedCount}</failedCount>\n`;
      xml += `        <skippedCount>${result.stats.skippedCount}</skippedCount>\n`;
      xml += `        <passRate>${result.stats.passRate}</passRate>\n`;
      xml += '      </stats>\n';
      xml += '    </testResult>\n';
    }
    
    xml += '  </testResults>\n';
    xml += '</testReport>\n';
    
    return xml;
  }
  
  async generateJUnit(testResults: TestResult[]): Promise<string> {
    let xml = '<?xml version="1.0" encoding="UTF-8"?>\n';
    xml += '<testsuites>\n';
    
    for (const result of testResults) {
      xml += `  <testsuite name="${this.escapeXml(result.config.name)}" `;
      xml += `tests="${result.stats.totalCount}" `;
      xml += `failures="${result.stats.failedCount}" `;
      xml += `skipped="${result.stats.skippedCount}" `;
      xml += `time="${result.duration / 1000}">\n`;
      
      for (const testCase of result.results) {
        xml += `    <testcase name="${this.escapeXml(testCase.name)}" `;
        xml += `classname="${this.escapeXml(testCase.suite)}" `;
        xml += `time="${testCase.duration / 1000}">\n`;
        
        if (testCase.status === TestCaseStatus.FAILED && testCase.error) {
          xml += `      <failure message="${this.escapeXml(testCase.error.message)}">\n`;
          xml += `        ${this.escapeXml(testCase.error.stack || '')}\n`;
          xml += '      </failure>\n';
        } else if (testCase.status === TestCaseStatus.SKIPPED) {
          xml += '      <skipped/>\n';
        }
        
        xml += '    </testcase>\n';
      }
      
      xml += '  </testsuite>\n';
    }
    
    xml += '</testsuites>\n';
    
    return xml;
  }
  
  private generateSummary(testResults: TestResult[]): TestSummary {
    const totalTests = testResults.reduce((sum, r) => sum + r.stats.totalCount, 0);
    const passedTests = testResults.reduce((sum, r) => sum + r.stats.passedCount, 0);
    const failedTests = testResults.reduce((sum, r) => sum + r.stats.failedCount, 0);
    const skippedTests = testResults.reduce((sum, r) => sum + r.stats.skippedCount, 0);
    const totalDuration = testResults.reduce((sum, r) => sum + r.duration, 0);
    const passRate = totalTests > 0 ? passedTests / totalTests : 0;
    
    return {
      totalTests,
      passedTests,
      failedTests,
      skippedTests,
      passRate,
      totalDuration,
      testResultsCount: testResults.length
    };
  }
  
  private generateDetails(testResults: TestResult[]): TestDetails {
    const testsByType = new Map<TestType, TestResult[]>();
    const testsByStatus = new Map<TestStatus, TestResult[]>();
    
    for (const result of testResults) {
      // 按类型分组
      for (const testType of result.config.testTypes) {
        if (!testsByType.has(testType)) {
          testsByType.set(testType, []);
        }
        testsByType.get(testType)!.push(result);
      }
      
      // 按状态分组
      if (!testsByStatus.has(result.status)) {
        testsByStatus.set(result.status, []);
      }
      testsByStatus.get(result.status)!.push(result);
    }
    
    // 计算覆盖率统计
    const coverageStats = this.calculateCoverageStats(testResults);
    
    // 计算性能统计
    const performanceStats = this.calculatePerformanceStats(testResults);
    
    return {
      testsByType,
      testsByStatus,
      coverageStats,
      performanceStats
    };
  }
  
  private calculateCoverageStats(testResults: TestResult[]): CoverageStats | null {
    const coverageResults = testResults
      .map(r => r.coverage)
      .filter(c => c !== undefined) as CoverageResult[];
    
    if (coverageResults.length === 0) {
      return null;
    }
    
    // 合并覆盖率数据
    const merged = {
      statements: { total: 0, covered: 0, percentage: 0 },
      branches: { total: 0, covered: 0, percentage: 0 },
      functions: { total: 0, covered: 0, percentage: 0 },
      lines: { total: 0, covered: 0, percentage: 0 }
    };
    
    for (const coverage of coverageResults) {
      merged.statements.total += coverage.statements.total;
      merged.statements.covered += coverage.statements.covered;
      merged.branches.total += coverage.branches.total;
      merged.branches.covered += coverage.branches.covered;
      merged.functions.total += coverage.functions.total;
      merged.functions.covered += coverage.functions.covered;
      merged.lines.total += coverage.lines.total;
      merged.lines.covered += coverage.lines.covered;
    }
    
    // 计算百分比
    merged.statements.percentage = merged.statements.total > 0 ? 
      (merged.statements.covered / merged.statements.total) * 100 : 0;
    merged.branches.percentage = merged.branches.total > 0 ? 
      (merged.branches.covered / merged.branches.total) * 100 : 0;
    merged.functions.percentage = merged.functions.total > 0 ? 
      (merged.functions.covered / merged.functions.total) * 100 : 0;
    merged.lines.percentage = merged.lines.total > 0 ? 
      (merged.lines.covered / merged.lines.total) * 100 : 0;
    
    return {
      overall: {
        statements: merged.statements.percentage,
        branches: merged.branches.percentage,
        functions: merged.functions.percentage,
        lines: merged.lines.percentage
      },
      details: merged
    };
  }
  
  private calculatePerformanceStats(testResults: TestResult[]): PerformanceStats {
    const durations = testResults.map(r => r.duration);
    const averageDuration = durations.reduce((sum, d) => sum + d, 0) / durations.length;
    const minDuration = Math.min(...durations);
    const maxDuration = Math.max(...durations);
    
    return {
      averageDuration,
      minDuration,
      maxDuration,
      totalDuration: durations.reduce((sum, d) => sum + d, 0)
    };
  }
  
  private escapeXml(text: string): string {
    return text
      .replace(/&/g, '&amp;')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;')
      .replace(/'/g, '&apos;');
  }
  
  private generateReportId(): string {
    return `report_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
  }
}

// 模板引擎接口
interface TemplateEngine {
  render(template: string, data: any): Promise<string>;
}

// 简单模板引擎实现
class SimpleTemplateEngine implements TemplateEngine {
  private templates: Map<string, string> = new Map();
  
  constructor() {
    this.initializeTemplates();
  }
  
  async render(template: string, data: any): Promise<string> {
    const templateContent = this.templates.get(template);
    if (!templateContent) {
      throw new Error(`Template '${template}' not found`);
    }
    
    return this.processTemplate(templateContent, data);
  }
  
  private processTemplate(template: string, data: any): string {
    return template.replace(/\{\{([^}]+)\}\}/g, (match, key) => {
      const value = this.getNestedValue(data, key.trim());
      return value !== undefined ? String(value) : match;
    });
  }
  
  private getNestedValue(obj: any, path: string): any {
    return path.split('.').reduce((current, key) => {
      return current && current[key] !== undefined ? current[key] : undefined;
    }, obj);
  }
  
  private initializeTemplates(): void {
    // HTML报告模板
    this.templates.set('test-report.html', `
<!DOCTYPE html>
<html>
<head>
    <title>{{title}}</title>
    <style>
        body { font-family: Arial, sans-serif; margin: 20px; }
        .header { background: #f5f5f5; padding: 20px; border-radius: 5px; }
        .summary { display: flex; gap: 20px; margin: 20px 0; }
        .metric { background: white; padding: 15px; border: 1px solid #ddd; border-radius: 5px; }
        .passed { color: green; }
        .failed { color: red; }
        .skipped { color: orange; }
        table { width: 100%; border-collapse: collapse; margin: 20px 0; }
        th, td { padding: 10px; text-align: left; border-bottom: 1px solid #ddd; }
        th { background: #f5f5f5; }
    </style>
</head>
<body>
    <div class="header">
        <h1>{{title}}</h1>
        <p>Generated at: {{generatedAt}}</p>
    </div>
    
    <div class="summary">
        <div class="metric">
            <h3>Total Tests</h3>
            <p>{{summary.totalTests}}</p>
        </div>
        <div class="metric">
            <h3 class="passed">Passed</h3>
            <p>{{summary.passedTests}}</p>
        </div>
        <div class="metric">
            <h3 class="failed">Failed</h3>
            <p>{{summary.failedTests}}</p>
        </div>
        <div class="metric">
            <h3 class="skipped">Skipped</h3>
            <p>{{summary.skippedTests}}</p>
        </div>
        <div class="metric">
            <h3>Pass Rate</h3>
            <p>{{summary.passRate}}%</p>
        </div>
    </div>
    
    <h2>Test Results</h2>
    <table>
        <thead>
            <tr>
                <th>Test Name</th>
                <th>Status</th>
                <th>Duration</th>
                <th>Pass Rate</th>
            </tr>
        </thead>
        <tbody>
            <!-- Test results would be rendered here -->
        </tbody>
    </table>
</body>
</html>
    `);
  }
}

// 报告相关接口
interface TestReport {
  id: string;
  config: ReportConfig;
  summary: TestSummary;
  details: TestDetails;
  testResults: TestResult[];
  outputs?: ReportOutput[];
  generatedAt: Date;
}

interface ReportConfig {
  formats: ReportFormat[];
  outputDir?: string;
  includeScreenshots?: boolean;
  includeLogs?: boolean;
  includeCoverage?: boolean;
}

interface TestSummary {
  totalTests: number;
  passedTests: number;
  failedTests: number;
  skippedTests: number;
  passRate: number;
  totalDuration: number;
  testResultsCount: number;
}

interface TestDetails {
  testsByType: Map<TestType, TestResult[]>;
  testsByStatus: Map<TestStatus, TestResult[]>;
  coverageStats: CoverageStats | null;
  performanceStats: PerformanceStats;
}

interface CoverageStats {
  overall: {
    statements: number;
    branches: number;
    functions: number;
    lines: number;
  };
  details: {
    statements: CoverageMetric;
    branches: CoverageMetric;
    functions: CoverageMetric;
    lines: CoverageMetric;
  };
}

interface PerformanceStats {
  averageDuration: number;
  minDuration: number;
  maxDuration: number;
  totalDuration: number;
}

interface ReportOutput {
  format: ReportFormat;
  content: string;
  mimeType: string;
  filename: string;
}

17.7 使用示例

// 测试与质量保证使用示例
class LowCodeTestDemo {
  private testManager: TestManager;
  private testScheduler: TestScheduler;
  private reportGenerator: TestReportGenerator;
  private qualityAnalyzer: QualityAnalyzer;
  
  constructor() {
    // 初始化组件
    this.testManager = new LowCodeTestManager();
    this.testScheduler = new LowCodeTestScheduler(
      this.testManager,
      new LowCodeNotificationService()
    );
    this.reportGenerator = new LowCodeTestReportGenerator(
      new SimpleTemplateEngine()
    );
    this.qualityAnalyzer = new LowCodeQualityAnalyzer();
  }
  
  async demonstrateTestExecution(): Promise<void> {
    console.log('=== 测试执行演示 ===');
    
    // 配置测试
    const testConfig: TestConfig = {
      id: 'demo-test-001',
      name: 'Demo Test Suite',
      testTypes: [TestType.UNIT, TestType.INTEGRATION],
      environment: TestEnvironment.DEVELOPMENT,
      testFiles: ['src/**/*.test.ts'],
      timeout: 30000,
      retries: 2,
      parallel: true,
      coverage: {
        enabled: true,
        threshold: {
          statements: 80,
          branches: 75,
          functions: 80,
          lines: 80
        },
        include: ['src/**/*.ts'],
        exclude: ['src/**/*.test.ts', 'src/**/*.spec.ts']
      },
      reporting: {
        formats: [ReportFormat.HTML, ReportFormat.JSON, ReportFormat.JUNIT],
        outputDir: './test-reports'
      }
    };
    
    try {
      // 运行测试
      const testResult = await this.testManager.runTests(testConfig);
      
      console.log('测试结果:');
      console.log(`- 状态: ${testResult.status}`);
      console.log(`- 总测试数: ${testResult.stats.totalCount}`);
      console.log(`- 通过: ${testResult.stats.passedCount}`);
      console.log(`- 失败: ${testResult.stats.failedCount}`);
      console.log(`- 跳过: ${testResult.stats.skippedCount}`);
      console.log(`- 通过率: ${(testResult.stats.passRate * 100).toFixed(2)}%`);
      console.log(`- 执行时间: ${testResult.duration}ms`);
      
      if (testResult.coverage) {
        console.log('\n覆盖率:');
        console.log(`- 语句: ${testResult.coverage.statements.percentage.toFixed(2)}%`);
        console.log(`- 分支: ${testResult.coverage.branches.percentage.toFixed(2)}%`);
        console.log(`- 函数: ${testResult.coverage.functions.percentage.toFixed(2)}%`);
        console.log(`- 行数: ${testResult.coverage.lines.percentage.toFixed(2)}%`);
      }
      
    } catch (error) {
      console.error('测试执行失败:', error);
    }
  }
  
  async demonstrateTestScheduling(): Promise<void> {
    console.log('\n=== 测试调度演示 ===');
    
    // 启动调度器
    await this.testScheduler.start();
    
    // 创建调度任务
    const schedule: TestSchedule = {
      id: 'nightly-tests',
      name: 'Nightly Test Suite',
      description: 'Run comprehensive tests every night',
      cron: '0 0 * * *', // 每天午夜执行
      timezone: 'Asia/Shanghai',
      enabled: true,
      config: {
        id: 'nightly-test-config',
        name: 'Nightly Tests',
        testTypes: [TestType.UNIT, TestType.INTEGRATION, TestType.E2E],
        environment: TestEnvironment.STAGING,
        testFiles: ['src/**/*.test.ts', 'e2e/**/*.spec.ts'],
        timeout: 300000, // 5分钟
        retries: 1,
        parallel: false,
        coverage: {
          enabled: true,
          threshold: {
            statements: 85,
            branches: 80,
            functions: 85,
            lines: 85
          },
          include: ['src/**/*.ts'],
          exclude: ['src/**/*.test.ts', 'src/**/*.spec.ts']
        },
        reporting: {
          formats: [ReportFormat.HTML, ReportFormat.JSON, ReportFormat.JUNIT],
          outputDir: './nightly-reports'
        }
      },
      notifications: [
        {
          type: NotificationType.EMAIL,
          recipients: ['dev-team@company.com'],
          conditions: [
            {
              event: NotificationEvent.TEST_FAILED,
              threshold: undefined
            },
            {
              event: NotificationEvent.COVERAGE_BELOW_THRESHOLD,
              threshold: 80
            }
          ]
        },
        {
          type: NotificationType.SLACK,
          recipients: ['#dev-alerts'],
          conditions: [
            {
              event: NotificationEvent.TEST_FAILED,
              threshold: undefined
            }
          ]
        }
      ]
    };
    
    // 添加调度
    await this.testScheduler.scheduleTests(schedule);
    console.log('已创建夜间测试调度');
    
    // 手动触发调度(用于演示)
    console.log('手动触发调度...');
    await this.testScheduler.triggerSchedule('nightly-tests');
    
    // 查看所有调度
    const schedules = await this.testScheduler.getSchedules();
    console.log(`当前调度数量: ${schedules.length}`);
    
    // 停止调度器
    setTimeout(async () => {
      await this.testScheduler.stop();
      console.log('调度器已停止');
    }, 5000);
  }
  
  async demonstrateReportGeneration(): Promise<void> {
    console.log('\n=== 报告生成演示 ===');
    
    // 模拟测试结果
    const mockTestResults: TestResult[] = [
      {
        id: 'test-result-001',
        config: {
          id: 'unit-tests',
          name: 'Unit Tests',
          testTypes: [TestType.UNIT],
          environment: TestEnvironment.DEVELOPMENT,
          testFiles: ['src/**/*.test.ts'],
          timeout: 30000,
          retries: 2,
          parallel: true
        },
        status: TestStatus.PASSED,
        startTime: new Date(Date.now() - 60000),
        endTime: new Date(),
        duration: 45000,
        stats: {
          totalCount: 150,
          passedCount: 148,
          failedCount: 2,
          skippedCount: 0,
          passRate: 0.9867
        },
        results: [],
        coverage: {
          statements: { total: 1000, covered: 850, percentage: 85.0 },
          branches: { total: 500, covered: 400, percentage: 80.0 },
          functions: { total: 200, covered: 180, percentage: 90.0 },
          lines: { total: 800, covered: 720, percentage: 90.0 },
          files: []
        }
      },
      {
        id: 'test-result-002',
        config: {
          id: 'integration-tests',
          name: 'Integration Tests',
          testTypes: [TestType.INTEGRATION],
          environment: TestEnvironment.DEVELOPMENT,
          testFiles: ['tests/integration/**/*.test.ts'],
          timeout: 60000,
          retries: 1,
          parallel: false
        },
        status: TestStatus.FAILED,
        startTime: new Date(Date.now() - 120000),
        endTime: new Date(Date.now() - 60000),
        duration: 75000,
        stats: {
          totalCount: 50,
          passedCount: 45,
          failedCount: 5,
          skippedCount: 0,
          passRate: 0.9
        },
        results: [],
        coverage: {
          statements: { total: 800, covered: 640, percentage: 80.0 },
          branches: { total: 400, covered: 300, percentage: 75.0 },
          functions: { total: 150, covered: 135, percentage: 90.0 },
          lines: { total: 600, covered: 540, percentage: 90.0 },
          files: []
        }
      }
    ];
    
    // 生成报告
    const reportConfig: ReportConfig = {
      formats: [ReportFormat.HTML, ReportFormat.JSON, ReportFormat.XML],
      outputDir: './demo-reports',
      includeScreenshots: true,
      includeLogs: true,
      includeCoverage: true
    };
    
    try {
      const report = await this.reportGenerator.generate(reportConfig, mockTestResults);
      
      console.log('报告生成成功:');
      console.log(`- 报告ID: ${report.id}`);
      console.log(`- 生成时间: ${report.generatedAt.toISOString()}`);
      console.log(`- 输出格式: ${report.outputs?.map(o => o.format).join(', ')}`);
      
      console.log('\n报告摘要:');
      console.log(`- 总测试数: ${report.summary.totalTests}`);
      console.log(`- 通过: ${report.summary.passedTests}`);
      console.log(`- 失败: ${report.summary.failedTests}`);
      console.log(`- 通过率: ${(report.summary.passRate * 100).toFixed(2)}%`);
      console.log(`- 总耗时: ${report.summary.totalDuration}ms`);
      
      // 生成HTML报告
      const htmlReport = await this.reportGenerator.generateHTML(mockTestResults);
      console.log(`\nHTML报告长度: ${htmlReport.length} 字符`);
      
      // 生成JSON报告
      const jsonReport = await this.reportGenerator.generateJSON(mockTestResults);
      console.log(`JSON报告长度: ${jsonReport.length} 字符`);
      
    } catch (error) {
      console.error('报告生成失败:', error);
    }
  }
  
  async demonstrateQualityAnalysis(): Promise<void> {
    console.log('\n=== 质量分析演示 ===');
    
    // 定义质量标准
    const qualityCriteria: QualityCriteria = {
      coverage: {
        statements: 80,
        branches: 75,
        functions: 80,
        lines: 80
      },
      passRate: 0.95,
      performance: {
        maxDuration: 300000, // 5分钟
        maxMemoryUsage: 512 * 1024 * 1024, // 512MB
        maxCpuUsage: 80
      },
      security: {
        vulnerabilities: {
          critical: 0,
          high: 0,
          medium: 5,
          low: 10
        },
        dependencies: {
          outdated: 5,
          vulnerable: 0
        }
      },
      compliance: {
        standards: ['ISO-27001', 'SOC2'],
        requirements: [
          'Data encryption at rest',
          'Data encryption in transit',
          'Access logging',
          'Regular security audits'
        ]
      }
    };
    
    // 模拟测试结果
    const testResults: TestResult[] = [
      {
        id: 'quality-test-001',
        config: {
          id: 'quality-tests',
          name: 'Quality Tests',
          testTypes: [TestType.UNIT, TestType.INTEGRATION, TestType.SECURITY],
          environment: TestEnvironment.PRODUCTION,
          testFiles: ['src/**/*.test.ts'],
          timeout: 60000,
          retries: 1,
          parallel: true
        },
        status: TestStatus.PASSED,
        startTime: new Date(Date.now() - 180000),
        endTime: new Date(),
        duration: 120000,
        stats: {
          totalCount: 200,
          passedCount: 195,
          failedCount: 5,
          skippedCount: 0,
          passRate: 0.975
        },
        results: [],
        coverage: {
          statements: { total: 1200, covered: 1020, percentage: 85.0 },
          branches: { total: 600, covered: 480, percentage: 80.0 },
          functions: { total: 250, covered: 225, percentage: 90.0 },
          lines: { total: 1000, covered: 900, percentage: 90.0 },
          files: []
        }
      }
    ];
    
    try {
      // 验证质量
      const qualityResult = await this.qualityAnalyzer.validateQuality(
        testResults,
        qualityCriteria
      );
      
      console.log('质量验证结果:');
      console.log(`- 整体通过: ${qualityResult.passed ? '是' : '否'}`);
      console.log(`- 总分: ${qualityResult.score.toFixed(2)}`);
      
      console.log('\n各项指标:');
      for (const detail of qualityResult.details) {
        console.log(`- ${detail.category}: ${detail.passed ? '通过' : '未通过'} (${detail.score.toFixed(2)})`);
        if (detail.issues.length > 0) {
          console.log(`  问题: ${detail.issues.join(', ')}`);
        }
        if (detail.recommendations.length > 0) {
          console.log(`  建议: ${detail.recommendations.join(', ')}`);
        }
      }
      
      // 分析覆盖率
      const coverageAnalysis = await this.qualityAnalyzer.analyzeCoverage(testResults);
      console.log('\n覆盖率分析:');
      console.log(`- 整体覆盖率: ${coverageAnalysis.overall.toFixed(2)}%`);
      console.log(`- 趋势: ${coverageAnalysis.trend}`);
      
      if (coverageAnalysis.recommendations.length > 0) {
        console.log('- 建议:');
        for (const recommendation of coverageAnalysis.recommendations) {
          console.log(`  * ${recommendation}`);
        }
      }
      
      // 分析性能
      const performanceAnalysis = await this.qualityAnalyzer.analyzePerformance(testResults);
      console.log('\n性能分析:');
      console.log(`- 平均执行时间: ${performanceAnalysis.averageExecutionTime}ms`);
      console.log(`- 性能趋势: ${performanceAnalysis.trend}`);
      
      if (performanceAnalysis.bottlenecks.length > 0) {
        console.log('- 性能瓶颈:');
        for (const bottleneck of performanceAnalysis.bottlenecks) {
          console.log(`  * ${bottleneck}`);
        }
      }
      
      if (performanceAnalysis.recommendations.length > 0) {
        console.log('- 优化建议:');
        for (const recommendation of performanceAnalysis.recommendations) {
          console.log(`  * ${recommendation}`);
        }
      }
      
    } catch (error) {
      console.error('质量分析失败:', error);
    }
  }
  
  async runDemo(): Promise<void> {
    console.log('低代码平台测试与质量保证演示\n');
    
    try {
      await this.demonstrateTestExecution();
      await this.demonstrateTestScheduling();
      await this.demonstrateReportGeneration();
      await this.demonstrateQualityAnalysis();
      
      console.log('\n=== 演示完成 ===');
    } catch (error) {
      console.error('演示过程中发生错误:', error);
    }
  }
}

// 运行演示
const demo = new LowCodeTestDemo();
demo.runDemo().catch(console.error);

17.8 Web API 集成

// Express.js API 集成示例
import express from 'express';
import { TestManager, TestScheduler, TestReportGenerator, QualityAnalyzer } from './test-system';

const app = express();
app.use(express.json());

// 初始化测试系统
const testManager = new LowCodeTestManager();
const testScheduler = new LowCodeTestScheduler(
  testManager,
  new LowCodeNotificationService()
);
const reportGenerator = new LowCodeTestReportGenerator(
  new SimpleTemplateEngine()
);
const qualityAnalyzer = new LowCodeQualityAnalyzer();

// 启动测试调度器
testScheduler.start();

// 测试管理 API
app.post('/api/tests/run', async (req, res) => {
  try {
    const testConfig = req.body;
    const result = await testManager.runTests(testConfig);
    res.json({
      success: true,
      data: result
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

app.get('/api/tests/results/:testId', async (req, res) => {
  try {
    const { testId } = req.params;
    const result = await testManager.getTestResult(testId);
    
    if (!result) {
      return res.status(404).json({
        success: false,
        error: 'Test result not found'
      });
    }
    
    res.json({
      success: true,
      data: result
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

app.get('/api/tests/results', async (req, res) => {
  try {
    const query = req.query;
    const results = await testManager.queryTestResults(query);
    res.json({
      success: true,
      data: results
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

// 测试调度 API
app.post('/api/schedules', async (req, res) => {
  try {
    const schedule = req.body;
    await testScheduler.scheduleTests(schedule);
    res.json({
      success: true,
      message: 'Test schedule created successfully'
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

app.get('/api/schedules', async (req, res) => {
  try {
    const schedules = await testScheduler.getSchedules();
    res.json({
      success: true,
      data: schedules
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

app.post('/api/schedules/:scheduleId/trigger', async (req, res) => {
  try {
    const { scheduleId } = req.params;
    await testScheduler.triggerSchedule(scheduleId);
    res.json({
      success: true,
      message: 'Test schedule triggered successfully'
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

app.delete('/api/schedules/:scheduleId', async (req, res) => {
  try {
    const { scheduleId } = req.params;
    await testScheduler.unscheduleTests(scheduleId);
    res.json({
      success: true,
      message: 'Test schedule removed successfully'
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

// 报告生成 API
app.post('/api/reports/generate', async (req, res) => {
  try {
    const { config, testResultIds } = req.body;
    
    // 获取测试结果
    const testResults = [];
    for (const testId of testResultIds) {
      const result = await testManager.getTestResult(testId);
      if (result) {
        testResults.push(result);
      }
    }
    
    const report = await reportGenerator.generate(config, testResults);
    res.json({
      success: true,
      data: report
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

app.get('/api/reports/:reportId/download/:format', async (req, res) => {
  try {
    const { reportId, format } = req.params;
    
    // 这里应该从存储中获取报告
    // 简化示例,直接生成
    const testResults = await testManager.queryTestResults({});
    
    let content: string;
    let mimeType: string;
    let filename: string;
    
    switch (format.toLowerCase()) {
      case 'html':
        content = await reportGenerator.generateHTML(testResults);
        mimeType = 'text/html';
        filename = `test-report-${reportId}.html`;
        break;
      
      case 'json':
        content = await reportGenerator.generateJSON(testResults);
        mimeType = 'application/json';
        filename = `test-report-${reportId}.json`;
        break;
      
      case 'xml':
        content = await reportGenerator.generateXML(testResults);
        mimeType = 'application/xml';
        filename = `test-report-${reportId}.xml`;
        break;
      
      case 'junit':
        content = await reportGenerator.generateJUnit(testResults);
        mimeType = 'application/xml';
        filename = `test-report-${reportId}.xml`;
        break;
      
      default:
        return res.status(400).json({
          success: false,
          error: 'Unsupported format'
        });
    }
    
    res.setHeader('Content-Type', mimeType);
    res.setHeader('Content-Disposition', `attachment; filename="${filename}"`);
    res.send(content);
    
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

// 质量分析 API
app.post('/api/quality/validate', async (req, res) => {
  try {
    const { testResultIds, criteria } = req.body;
    
    // 获取测试结果
    const testResults = [];
    for (const testId of testResultIds) {
      const result = await testManager.getTestResult(testId);
      if (result) {
        testResults.push(result);
      }
    }
    
    const qualityResult = await qualityAnalyzer.validateQuality(testResults, criteria);
    res.json({
      success: true,
      data: qualityResult
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

app.post('/api/quality/analyze/coverage', async (req, res) => {
  try {
    const { testResultIds } = req.body;
    
    const testResults = [];
    for (const testId of testResultIds) {
      const result = await testManager.getTestResult(testId);
      if (result) {
        testResults.push(result);
      }
    }
    
    const analysis = await qualityAnalyzer.analyzeCoverage(testResults);
    res.json({
      success: true,
      data: analysis
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

app.post('/api/quality/analyze/performance', async (req, res) => {
  try {
    const { testResultIds } = req.body;
    
    const testResults = [];
    for (const testId of testResultIds) {
      const result = await testManager.getTestResult(testId);
      if (result) {
        testResults.push(result);
      }
    }
    
    const analysis = await qualityAnalyzer.analyzePerformance(testResults);
    res.json({
      success: true,
      data: analysis
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

app.post('/api/quality/analyze/security', async (req, res) => {
  try {
    const { testResultIds } = req.body;
    
    const testResults = [];
    for (const testId of testResultIds) {
      const result = await testManager.getTestResult(testId);
      if (result) {
        testResults.push(result);
      }
    }
    
    const analysis = await qualityAnalyzer.analyzeSecurity(testResults);
    res.json({
      success: true,
      data: analysis
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
});

// 健康检查
app.get('/api/health', (req, res) => {
  res.json({
    success: true,
    data: {
      status: 'healthy',
      timestamp: new Date().toISOString(),
      services: {
        testManager: 'running',
        testScheduler: 'running',
        reportGenerator: 'running',
        qualityAnalyzer: 'running'
      }
    }
  });
});

// 启动服务器
const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
  console.log(`Test & Quality API server running on port ${PORT}`);
});

// 优雅关闭
process.on('SIGTERM', async () => {
  console.log('Shutting down gracefully...');
  await testScheduler.stop();
  process.exit(0);
});

17.9 小结

本章详细介绍了低代码平台的测试与质量保证系统,涵盖了以下核心功能:

核心功能

  1. 测试管理

    • 支持单元测试、集成测试、端到端测试等多种测试类型
    • 提供灵活的测试配置和执行环境
    • 支持并行执行和重试机制
    • 集成代码覆盖率分析
  2. 测试运行器

    • 针对不同测试类型提供专门的运行器
    • 支持性能测试、安全测试、API测试和UI测试
    • 提供统一的测试结果格式
    • 支持测试用例的动态发现和执行
  3. 质量分析

    • 基于预设标准验证代码质量
    • 提供覆盖率、性能和安全性分析
    • 支持质量趋势分析和建议生成
    • 集成合规性检查
  4. 测试调度

    • 支持基于Cron表达式的定时测试
    • 提供灵活的通知机制
    • 支持多种通知渠道(邮件、Slack、Webhook)
    • 提供调度管理和监控功能
  5. 报告生成

    • 支持多种报告格式(HTML、JSON、XML、JUnit)
    • 提供丰富的测试统计和分析
    • 支持自定义报告模板
    • 集成覆盖率和性能数据
  6. Web API集成

    • 提供RESTful API接口
    • 支持测试执行、调度管理、报告生成
    • 集成质量分析功能
    • 提供健康检查和监控接口

技术特色

  1. 全面的测试覆盖

    • 支持多层次、多类型的测试
    • 提供完整的测试生命周期管理
    • 集成质量保证流程
  2. 智能化分析

    • 基于数据的质量评估
    • 智能化的问题识别和建议
    • 趋势分析和预测
  3. 高度可配置

    • 灵活的测试配置选项
    • 可定制的质量标准
    • 支持多种报告格式和模板
  4. 易于集成

    • 提供标准的API接口
    • 支持多种通知渠道
    • 兼容主流CI/CD工具
  5. 高可用性

    • 支持分布式测试执行
    • 提供故障恢复机制
    • 支持负载均衡和扩展
  6. 用户友好

    • 直观的测试结果展示
    • 丰富的可视化报告
    • 简单易用的API接口

通过本章的学习,您已经掌握了如何构建一个完整的测试与质量保证系统,为低代码平台提供可靠的质量保障。下一章我们将学习低代码平台的部署与运维管理。