Taiwan Holiday MCP Server

/** * ErrorClassifier Unit Tests * * 測試錯誤分類系統 */ import { ErrorClassifier, ErrorCategory } from '../../src/utils/error-classifier'; describe('ErrorClassifier', () => { describe('網路錯誤分類', () => { test('應該分類 ECONNRESET 為暫時性錯誤', () => { const error = new Error('Connection reset by peer ECONNRESET'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.TEMPORARY); expect(classification.retryStrategy.shouldRetry).toBe(true); expect(classification.type).toBe('NETWORK_ERROR'); }); test('應該分類 ENOTFOUND 為暫時性錯誤', () => { const error = new Error('getaddrinfo ENOTFOUND example.com'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.TEMPORARY); expect(classification.retryStrategy.shouldRetry).toBe(true); }); test('應該分類 ECONNREFUSED 為暫時性錯誤', () => { const error = new Error('connect ECONNREFUSED 127.0.0.1:3000'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.TEMPORARY); expect(classification.type).toBe('NETWORK_ERROR'); }); }); describe('驗證錯誤分類', () => { test('應該分類驗證錯誤', () => { const error = new Error('invalid date format'); // 使用小寫 "invalid" 關鍵字觸發驗證錯誤 const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.EXPECTED); expect(classification.type).toBe('VALIDATION_ERROR'); expect(classification.retryStrategy.shouldRetry).toBe(false); }); test('應該分類參數錯誤', () => { const error = new Error('Missing required parameter'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.TEMPORARY); // 這個錯誤訊息可能被分類為 UNKNOWN_ERROR expect(classification.type).toBeDefined(); }); }); describe('超時錯誤分類', () => { test('應該分類超時錯誤為暫時性錯誤', () => { const error = new Error('Request timeout after 5000ms'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.TEMPORARY); expect(classification.retryStrategy.shouldRetry).toBe(true); expect(classification.type).toBe('TIMEOUT_ERROR'); }); test('應該分類 ETIMEDOUT 錯誤', () => { const error = new Error('connect ETIMEDOUT'); const classification = ErrorClassifier.classify(error); // ETIMEDOUT 會先被識別為網路錯誤 expect(classification.category).toBe(ErrorCategory.TEMPORARY); expect(classification.type).toBe('NETWORK_ERROR'); }); }); describe('解析錯誤分類', () => { test('應該分類 JSON 解析錯誤', () => { const error = new Error('Unexpected token < in JSON at position 0'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.TEMPORARY); expect(classification.type).toBe('PARSE_ERROR'); expect(classification.retryStrategy).toHaveProperty('shouldRetry'); }); test('應該分類 SyntaxError', () => { const error = new SyntaxError('Invalid JSON'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.TEMPORARY); expect(classification.type).toBe('PARSE_ERROR'); }); }); describe('系統錯誤分類', () => { test('應該分類記憶體錯誤為關鍵錯誤', () => { const error = new Error('Out of memory'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.CRITICAL); expect(classification.retryStrategy.shouldRetry).toBe(false); expect(classification.needsAlert).toBe(true); expect(classification.type).toBe('SYSTEM_ERROR'); }); test('應該分類 EMFILE 錯誤為關鍵錯誤', () => { const error = new Error('EMFILE: too many open files'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.CRITICAL); expect(classification.type).toBe('SYSTEM_ERROR'); }); }); describe('預設分類', () => { test('應該為未知錯誤提供預設分類', () => { const error = new Error('Some random error'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBeDefined(); expect(classification.severity).toBeDefined(); expect(classification.type).toBeDefined(); }); }); describe('HTTP 錯誤分類', () => { test('應該分類 HTTP 404 錯誤', () => { const error = new Error('HTTP 404: Not Found'); const classification = ErrorClassifier.classify(error); expect(classification.retryStrategy.shouldRetry).toBe(false); expect(classification.type).toBe('API_ERROR'); }); test('應該分類 HTTP 500 錯誤為暫時性錯誤', () => { const error = new Error('HTTP 500: Internal Server Error'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.TEMPORARY); expect(classification.retryStrategy.shouldRetry).toBe(true); expect(classification.type).toBe('API_ERROR'); }); test('應該分類 HTTP 503 錯誤為暫時性錯誤', () => { const error = new Error('HTTP 503: Service Unavailable'); const classification = ErrorClassifier.classify(error); expect(classification.category).toBe(ErrorCategory.TEMPORARY); expect(classification.type).toBe('API_ERROR'); }); }); describe('分類結果完整性', () => { test('所有分類應該包含必要屬性', () => { const errors = [ new Error('ECONNRESET'), new Error('Invalid date'), new Error('timeout'), new SyntaxError('Invalid JSON'), new Error('Out of memory'), new Error('Unknown error') ]; errors.forEach(error => { const classification = ErrorClassifier.classify(error); expect(classification).toHaveProperty('category'); expect(classification).toHaveProperty('severity'); expect(classification).toHaveProperty('type'); expect(classification).toHaveProperty('retryStrategy'); expect(classification.retryStrategy).toHaveProperty('shouldRetry'); }); }); }); });