import { render, screen } from '@testing-library/react'; import { describe, it, expect } from 'vitest'; import Index from '../index'; describe('JsonTools 页面', () => { it('应该渲染模式切换按钮', () => { render(); // 基本渲染测试:页面含多个模式切换按钮,应至少渲染一个 expect(screen.getAllByRole('button').length).toBeGreaterThan(0); }); });