feat: 增加测试覆盖率并优化代码质量

test: 添加单元测试和端到端测试
refactor: 重构登录页面和上传模块
ci: 更新测试覆盖率阈值至42%
build: 添加测试相关依赖
docs: 更新测试文档
style: 修复代码格式问题

src/app/(marketing)/about/page.test.tsx

@@ -0,0 +1,160 @@
+import { describe, it, expect, jest, beforeAll } from '@jest/globals';
+import { render, screen } from '@testing-library/react';
+import '@testing-library/jest-dom';
+
+jest.mock('framer-motion', () => ({
+  motion: {
+    div: ({ children, className, ...props }: any) => (
+      <div className={className} {...props}>
+        {children}
+      </div>
+    ),
+    section: ({ children, className, ...props }: any) => (
+      <section className={className} {...props}>
+        {children}
+      </section>
+    ),
+    span: ({ children, className, ...props }: any) => (
+      <span className={className} {...props}>
+        {children}
+      </span>
+    ),
+    h1: ({ children, className, ...props }: any) => (
+      <h1 className={className} {...props}>
+        {children}
+      </h1>
+    ),
+    h2: ({ children, className, ...props }: any) => (
+      <h2 className={className} {...props}>
+        {children}
+      </h2>
+    ),
+  },
+  AnimatePresence: ({ children }: any) => <>{children}</>,
+  useInView: () => [null, true],
+}));
+
+jest.mock('next/link', () => {
+  return ({ children, href, ...props }: any) => (
+    <a href={href} {...props}>
+      {children}
+    </a>
+  );
+});
+
+jest.mock('lucide-react', () => ({
+  Lightbulb: () => <span data-testid="lightbulb-icon" />,
+  Users: () => <span data-testid="users-icon" />,
+  Target: () => <span data-testid="target-icon" />,
+  Award: () => <span data-testid="award-icon" />,
+  MapPin: () => <span data-testid="map-pin-icon" />,
+  Mail: () => <span data-testid="mail-icon" />,
+  Phone: () => <span data-testid="phone-icon" />,
+}));
+
+jest.mock('@/components/ui/card', () => ({
+  Card: ({ children, className, ...props }: any) => (
+    <div className={className} {...props}>
+      {children}
+    </div>
+  ),
+  CardContent: ({ children, className, ...props }: any) => (
+    <div className={className} {...props}>
+      {children}
+    </div>
+  ),
+}));
+
+jest.mock('@/components/ui/page-header', () => ({
+  PageHeader: ({ title, description }: any) => (
+    <header>
+      <h1>{title}</h1>
+      <p>{description}</p>
+    </header>
+  ),
+}));
+
+jest.mock('@/components/ui/flip-clock', () => ({
+  FlipClock: ({ years, months, days }: any) => (
+    <div data-testid="flip-clock">
+      {years}年 {months}月 {days}天
+    </div>
+  ),
+}));
+
+jest.mock('@/lib/constants', () => ({
+  COMPANY_INFO: {
+    name: '四川睿新致远科技有限公司',
+    shortName: '睿新致遠',
+    description: '以智慧连接数字趋势，以伙伴身份陪您成长',
+    address: '四川省成都市龙泉驿区',
+    email: 'contact@ruixin.com',
+    phone: '028-12345678',
+  },
+  STATS: [
+    { value: '10+', label: '企业客户' },
+    { value: '20+', label: '成功案例' },
+    { value: '30+', label: '项目交付' },
+    { value: '12+', label: '年行业经验' },
+  ],
+}));
+
+import AboutPage from './page';
+
+describe('AboutPage', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  describe('Rendering', () => {
+    it('should render about page', () => {
+      const { container } = render(<AboutPage />);
+      const pageContainer = container.querySelector('.min-h-screen');
+      expect(pageContainer).toBeInTheDocument();
+    });
+
+    it('should render company introduction', () => {
+      render(<AboutPage />);
+      const intro = screen.getByText(/关于我们/i);
+      expect(intro).toBeInTheDocument();
+    });
+
+    it('should render company history', () => {
+      render(<AboutPage />);
+      const history = screen.getByText(/发展历程/i);
+      expect(history).toBeInTheDocument();
+    });
+
+    it('should render company culture', () => {
+      render(<AboutPage />);
+      const culture = screen.getByText(/核心价值观/i);
+      expect(culture).toBeInTheDocument();
+    });
+
+    it('should render team members', () => {
+      render(<AboutPage />);
+      const team = screen.getByText(/团队组建/i);
+      expect(team).toBeInTheDocument();
+    });
+
+    it('should render contact information', () => {
+      render(<AboutPage />);
+      const contact = screen.getByText(/联系我们/i);
+      expect(contact).toBeInTheDocument();
+    });
+
+    it('should render statistics', () => {
+      render(<AboutPage />);
+      const stats = screen.getByText(/企业客户/i);
+      expect(stats).toBeInTheDocument();
+    });
+  });
+
+  describe('Accessibility', () => {
+    it('should have proper heading hierarchy', () => {
+      render(<AboutPage />);
+      const h1 = screen.getByRole('heading', { level: 1 });
+      expect(h1).toBeInTheDocument();
+    });
+  });
+});