tv-recommender-mcp-server
Version:
MCP server for TV show recommendations
87 lines (86 loc) • 4.58 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const errorHandler_1 = require("../../utils/errorHandler");
describe('Error Handler Utils', () => {
// 保存原始process.on以在测试后恢复
const originalProcessOn = process.on;
let processOnMock;
let consoleErrorSpy;
beforeEach(() => {
// 模拟process.on以避免实际添加事件处理程序
processOnMock = jest.fn();
process.on = processOnMock;
// 监视console.error
consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation();
});
afterEach(() => {
// 恢复原始process.on和console.error
process.on = originalProcessOn;
consoleErrorSpy.mockRestore();
});
describe('ApiError', () => {
it('应该正确构造带有默认状态码的ApiError', () => {
const error = new errorHandler_1.ApiError('测试错误');
expect(error).toBeInstanceOf(Error);
expect(error).toBeInstanceOf(errorHandler_1.ApiError);
expect(error.message).toBe('测试错误');
expect(error.name).toBe('ApiError');
expect(error.statusCode).toBe(500); // 默认状态码
});
it('应该正确构造带有自定义状态码的ApiError', () => {
const error = new errorHandler_1.ApiError('请求错误', 400);
expect(error.message).toBe('请求错误');
expect(error.statusCode).toBe(400);
});
});
describe('formatErrorMessage', () => {
it('应该正确格式化ApiError', () => {
const error = new errorHandler_1.ApiError('请求错误', 400);
const formattedMessage = (0, errorHandler_1.formatErrorMessage)(error);
expect(formattedMessage).toBe('错误 (400): 请求错误');
});
it('应该正确格式化标准Error', () => {
const error = new Error('标准错误');
const formattedMessage = (0, errorHandler_1.formatErrorMessage)(error);
expect(formattedMessage).toBe('错误: 标准错误');
});
it('应该处理非Error类型的错误', () => {
const formattedMessage1 = (0, errorHandler_1.formatErrorMessage)('字符串错误');
expect(formattedMessage1).toBe('发生未知错误');
const formattedMessage2 = (0, errorHandler_1.formatErrorMessage)(null);
expect(formattedMessage2).toBe('发生未知错误');
const formattedMessage3 = (0, errorHandler_1.formatErrorMessage)(undefined);
expect(formattedMessage3).toBe('发生未知错误');
});
});
describe('registerGlobalErrorHandlers', () => {
it('应该注册全局未捕获异常处理程序', () => {
(0, errorHandler_1.registerGlobalErrorHandlers)();
// 验证两个事件处理程序是否已注册
expect(processOnMock).toHaveBeenCalledTimes(2);
expect(processOnMock).toHaveBeenCalledWith('uncaughtException', expect.any(Function));
expect(processOnMock).toHaveBeenCalledWith('unhandledRejection', expect.any(Function));
});
it('应该正确处理未捕获的异常', () => {
(0, errorHandler_1.registerGlobalErrorHandlers)();
// 获取注册的uncaughtException处理程序
const [[, uncaughtExceptionHandler]] = processOnMock.mock.calls.filter(call => call[0] === 'uncaughtException');
// 模拟调用处理程序
const testError = new Error('未捕获的测试错误');
uncaughtExceptionHandler(testError);
// 验证控制台输出
expect(consoleErrorSpy).toHaveBeenCalledWith('未捕获的异常:', testError);
});
it('应该正确处理未处理的Promise拒绝', () => {
(0, errorHandler_1.registerGlobalErrorHandlers)();
// 获取注册的unhandledRejection处理程序
const [[, unhandledRejectionHandler]] = processOnMock.mock.calls.filter(call => call[0] === 'unhandledRejection');
// 模拟调用处理程序，但不创建真正的rejected Promise
const testReason = new Error('Promise拒绝原因');
const mockPromise = {}; // 使用一个空对象模拟Promise，而不是创建真正的Promise
unhandledRejectionHandler(testReason, mockPromise);
// 验证控制台输出
expect(consoleErrorSpy).toHaveBeenCalledWith('未处理的Promise拒绝:', testReason);
});
});
});