test(Footer-accessibility): verify Accessibility Standards & Screen Reader Aria Compliance (Variation 4)

app/components/Footer.accessibility.test.tsx

@@ -0,0 +1,80 @@
+import { render, screen } from '@testing-library/react';
+import '@testing-library/jest-dom/vitest';
+import { describe, it, expect, vi } from 'vitest';
+import { Footer } from './Footer';
+
+vi.mock('next/link', () => ({
+  default: ({
+    href,
+    children,
+    className,
+    'aria-label': ariaLabel,
+  }: {
+    href: string;
+    children: React.ReactNode;
+    className?: string;
+    'aria-label'?: string;
+  }) => (
+    <a href={href} className={className} aria-label={ariaLabel}>
+      {children}
+    </a>
+  ),
+}));
+
+describe('Footer — Accessibility & Screen Reader Compliance', () => {
+  it('renders footer landmark with correct heading hierarchy', () => {
+    render(<Footer />);
+
+    expect(screen.getByRole('contentinfo')).toBeInTheDocument();
+
+    expect(screen.getByRole('heading', { level: 2, name: 'CommitPulse' })).toBeInTheDocument();
+
+    expect(screen.getByRole('heading', { level: 3, name: 'Navigation' })).toBeInTheDocument();
+    expect(screen.getByRole('heading', { level: 3, name: 'Resources' })).toBeInTheDocument();
+    expect(screen.getByRole('heading', { level: 3, name: 'Connect' })).toBeInTheDocument();
+  });
+
+  it('renders navigation landmarks for keyboard and screen reader navigation', () => {
+    render(<Footer />);
+
+    const navElements = screen.getAllByRole('navigation');
+    expect(navElements.length).toBeGreaterThanOrEqual(2);
+  });
+
+  it('renders social links with descriptive aria-labels for screen readers', () => {
+    render(<Footer />);
+
+    expect(screen.getByRole('link', { name: 'CommitPulse on GitHub' })).toBeInTheDocument();
+
+    expect(screen.getByRole('link', { name: 'Creator Sourav Jha on GitHub' })).toBeInTheDocument();
+
+    expect(screen.getByRole('link', { name: 'Join CommitPulse on Discord' })).toBeInTheDocument();
+
+    expect(screen.getByRole('link', { name: 'Creator on X' })).toBeInTheDocument();
+
+    expect(screen.getByRole('link', { name: 'Creator on LinkedIn' })).toBeInTheDocument();
+  });
+
+  it('applies visible focus ring classes to all interactive links', () => {
+    const { container } = render(<Footer />);
+
+    const links = container.querySelectorAll('a');
+    links.forEach((link) => {
+      expect(link.className).toContain('focus:ring-2');
+    });
+  });
+
+  it('sets target="_blank" and rel="noopener noreferrer" on all external links', () => {
+    render(<Footer />);
+
+    const externalLinks = screen
+      .getAllByRole('link')
+      .filter((link) => link.getAttribute('target') === '_blank');
+
+    expect(externalLinks.length).toBeGreaterThan(0);
+
+    externalLinks.forEach((link) => {
+      expect(link).toHaveAttribute('rel', 'noopener noreferrer');
+    });
+  });
+});