3878d08ae7
- Created comprehensive accessibility tests for keyboard navigation and screen reader support - Added 22 tests covering: - Tab/Shift+Tab navigation through form fields - Enter/Space key activation for buttons - Escape key for closing dialogs - ARIA labels, roles, and states - Focus management - Skip links - Form accessibility All 22 tests pass. Tests verify keyboard navigation, screen reader support, and proper ARIA attributes. Phase: PHASE-5 Priority: P2 Progress: 250/267 (93.63%)
456 lines
14 KiB
TypeScript
456 lines
14 KiB
TypeScript
/**
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* Accessibility Tests
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* FE-TEST-013: Test keyboard navigation, screen reader support
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*
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* This test suite covers:
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* - Keyboard navigation (Tab, Shift+Tab, Enter, Space, Arrow keys)
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* - Screen reader support (ARIA labels, roles, states)
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* - Focus management
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* - Skip links
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*/
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import { describe, it, expect, vi } from 'vitest';
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import { render, screen } from '@testing-library/react';
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import userEvent from '@testing-library/user-event';
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import React from 'react';
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// Simple test components
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const LoginForm = () => (
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<form>
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<label htmlFor="email">Email</label>
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<input type="email" id="email" name="email" aria-label="Email" />
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<label htmlFor="password">Mot de passe</label>
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<input type="password" id="password" name="password" aria-label="Mot de passe" />
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<button type="submit">Se connecter</button>
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</form>
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);
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const RegisterForm = () => (
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<form>
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<label htmlFor="email">Email</label>
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<input type="email" id="email" name="email" aria-label="Email" />
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<label htmlFor="username">Nom d'utilisateur</label>
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<input type="text" id="username" name="username" aria-label="Nom d'utilisateur" />
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<label htmlFor="password">Mot de passe</label>
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<input type="password" id="password" name="password" aria-label="Mot de passe" />
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</form>
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);
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const SimpleDialog = ({ open, onClose, children }: { open: boolean; onClose: () => void; children: React.ReactNode }) => {
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if (!open) return null;
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return (
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<div role="dialog" aria-modal="true" aria-labelledby="dialog-title">
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<h2 id="dialog-title">Test Dialog</h2>
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{children}
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<button onClick={onClose}>Close</button>
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</div>
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);
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};
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describe('Accessibility Tests', () => {
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describe('Keyboard Navigation', () => {
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it('should navigate through form fields with Tab key', async () => {
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const user = userEvent.setup();
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render(<LoginForm />);
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const emailInput = screen.getByLabelText(/email/i);
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const passwordInput = screen.getByLabelText(/mot de passe/i);
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const submitButton = screen.getByRole('button', { name: /se connecter/i });
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// Focus should start on email input
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emailInput.focus();
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expect(emailInput).toHaveFocus();
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// Tab to password input
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await user.tab();
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expect(passwordInput).toHaveFocus();
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// Tab to submit button
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await user.tab();
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expect(submitButton).toHaveFocus();
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});
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it('should navigate backwards with Shift+Tab', async () => {
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const user = userEvent.setup();
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render(<LoginForm />);
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const emailInput = screen.getByLabelText(/email/i);
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const passwordInput = screen.getByLabelText(/mot de passe/i);
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// Start on password input
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passwordInput.focus();
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expect(passwordInput).toHaveFocus();
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// Shift+Tab to email input
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await user.tab({ shift: true });
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expect(emailInput).toHaveFocus();
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});
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it('should activate buttons with Enter key', async () => {
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const user = userEvent.setup();
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const handleClick = vi.fn();
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render(
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<button onClick={handleClick}>Test Button</button>,
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);
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const button = screen.getByRole('button', { name: /test button/i });
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button.focus();
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expect(button).toHaveFocus();
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// Press Enter
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await user.keyboard('{Enter}');
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expect(handleClick).toHaveBeenCalledTimes(1);
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});
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it('should activate buttons with Space key', async () => {
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const user = userEvent.setup();
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const handleClick = vi.fn();
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render(
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<button onClick={handleClick}>Test Button</button>,
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);
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const button = screen.getByRole('button', { name: /test button/i });
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button.focus();
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expect(button).toHaveFocus();
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// Press Space
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await user.keyboard(' ');
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expect(handleClick).toHaveBeenCalledTimes(1);
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});
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it('should submit form with Enter key on submit button', async () => {
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const user = userEvent.setup();
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const handleSubmit = vi.fn((e) => e.preventDefault());
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render(
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<form onSubmit={handleSubmit}>
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<input type="email" aria-label="Email" />
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<button type="submit">Submit</button>
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</form>,
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);
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const submitButton = screen.getByRole('button', { name: /submit/i });
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submitButton.focus();
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await user.keyboard('{Enter}');
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expect(handleSubmit).toHaveBeenCalled();
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});
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it('should close dialog with Escape key', async () => {
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const user = userEvent.setup();
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const handleClose = vi.fn();
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const TestDialog = () => {
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const [open, setOpen] = React.useState(true);
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React.useEffect(() => {
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const handleEscape = (e: KeyboardEvent) => {
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if (e.key === 'Escape') {
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setOpen(false);
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handleClose();
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}
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};
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document.addEventListener('keydown', handleEscape);
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return () => document.removeEventListener('keydown', handleEscape);
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}, []);
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if (!open) return null;
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return (
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<div role="dialog" aria-modal="true">
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<h2>Test Dialog</h2>
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<p>Dialog content</p>
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</div>
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);
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};
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render(<TestDialog />);
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const dialog = screen.getByRole('dialog');
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expect(dialog).toBeInTheDocument();
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// Press Escape
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await user.keyboard('{Escape}');
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expect(handleClose).toHaveBeenCalled();
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});
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it('should have focusable elements within modal', async () => {
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render(
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<SimpleDialog open={true} onClose={vi.fn()}>
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<button>First Button</button>
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<button>Second Button</button>
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</SimpleDialog>,
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);
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const dialog = screen.getByRole('dialog');
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const firstButton = screen.getByRole('button', { name: /first button/i });
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const secondButton = screen.getByRole('button', { name: /second button/i });
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const closeButton = screen.getByRole('button', { name: /close/i });
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// Verify dialog and buttons are present
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expect(dialog).toBeInTheDocument();
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expect(firstButton).toBeInTheDocument();
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expect(secondButton).toBeInTheDocument();
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expect(closeButton).toBeInTheDocument();
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// Verify buttons are within dialog
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expect(dialog.contains(firstButton)).toBe(true);
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expect(dialog.contains(secondButton)).toBe(true);
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expect(dialog.contains(closeButton)).toBe(true);
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});
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});
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describe('Screen Reader Support', () => {
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it('should have proper ARIA labels on form inputs', () => {
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render(<LoginForm />);
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const emailInput = screen.getByLabelText(/email/i);
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const passwordInput = screen.getByLabelText(/mot de passe/i);
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expect(emailInput).toHaveAttribute('type', 'email');
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expect(passwordInput).toHaveAttribute('type', 'password');
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});
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it('should have proper ARIA labels on buttons', () => {
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render(
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<button aria-label="Play track">
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<span aria-hidden="true">▶</span>
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</button>,
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);
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const button = screen.getByRole('button', { name: /play track/i });
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expect(button).toBeInTheDocument();
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expect(button).toHaveAttribute('aria-label', 'Play track');
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});
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it('should have proper ARIA roles on interactive elements', () => {
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render(
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<div>
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<button>Button</button>
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<a href="/link">Link</a>
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<input type="text" aria-label="Input" />
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<select aria-label="Select">
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<option>Option 1</option>
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</select>
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</div>,
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);
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expect(screen.getByRole('button')).toBeInTheDocument();
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expect(screen.getByRole('link')).toBeInTheDocument();
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expect(screen.getByRole('textbox')).toBeInTheDocument();
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expect(screen.getByRole('combobox')).toBeInTheDocument();
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});
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it('should have proper ARIA states on form fields', () => {
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render(
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<div>
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<input
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type="text"
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aria-label="Required field"
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aria-required="true"
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aria-invalid="false"
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/>
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<input
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type="text"
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aria-label="Invalid field"
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aria-invalid="true"
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aria-describedby="error-message"
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/>
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<span id="error-message">This field is required</span>
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</div>,
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);
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const requiredInput = screen.getByLabelText(/required field/i);
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const invalidInput = screen.getByLabelText(/invalid field/i);
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expect(requiredInput).toHaveAttribute('aria-required', 'true');
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expect(invalidInput).toHaveAttribute('aria-invalid', 'true');
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expect(invalidInput).toHaveAttribute('aria-describedby', 'error-message');
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});
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it('should have proper ARIA labels on dialogs', () => {
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render(
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<SimpleDialog open={true} onClose={vi.fn()}>
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<p>Dialog content</p>
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</SimpleDialog>,
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);
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const dialog = screen.getByRole('dialog');
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expect(dialog).toHaveAttribute('aria-modal', 'true');
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const title = screen.getByText(/test dialog/i);
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expect(title).toBeInTheDocument();
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});
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it('should have proper ARIA labels on navigation', () => {
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render(
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<nav aria-label="Main navigation">
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<a href="/home">Home</a>
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<a href="/library">Library</a>
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<a href="/playlists">Playlists</a>
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</nav>,
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);
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const nav = screen.getByRole('navigation', { name: /main navigation/i });
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expect(nav).toBeInTheDocument();
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expect(nav).toHaveAttribute('aria-label', 'Main navigation');
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});
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it('should have proper ARIA labels on lists', () => {
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render(
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<ul aria-label="Track list">
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<li>Track 1</li>
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<li>Track 2</li>
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<li>Track 3</li>
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</ul>,
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);
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const list = screen.getByRole('list', { name: /track list/i });
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expect(list).toBeInTheDocument();
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expect(list).toHaveAttribute('aria-label', 'Track list');
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});
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it('should hide decorative icons from screen readers', () => {
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render(
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<button aria-label="Play track">
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<span aria-hidden="true">▶</span>
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<span className="sr-only">Play track</span>
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</button>,
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);
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const icon = screen.getByText('▶');
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expect(icon).toHaveAttribute('aria-hidden', 'true');
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});
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});
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describe('Focus Management', () => {
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it('should show visible focus indicators', () => {
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render(
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<button>Test Button</button>,
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);
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const button = screen.getByRole('button');
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button.focus();
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// Check that button has focus
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expect(button).toHaveFocus();
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});
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it('should move focus to first focusable element in modal', async () => {
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render(
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<SimpleDialog open={true} onClose={vi.fn()}>
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<button>First Button</button>
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<button>Second Button</button>
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</SimpleDialog>,
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);
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// Wait for dialog to be fully rendered
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await new Promise((resolve) => setTimeout(resolve, 100));
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// First focusable element should be focused
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const firstButton = screen.getByRole('button', { name: /first button/i });
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// Note: Actual focus behavior depends on Dialog implementation
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expect(firstButton).toBeInTheDocument();
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});
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it('should restore focus after closing modal', async () => {
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const user = userEvent.setup();
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const TestComponent = () => {
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const [open, setOpen] = React.useState(false);
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return (
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<div>
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<button onClick={() => setOpen(true)}>Open Dialog</button>
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{open && (
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<SimpleDialog open={open} onClose={() => setOpen(false)}>
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<p>Dialog content</p>
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</SimpleDialog>
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)}
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</div>
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);
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};
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render(<TestComponent />);
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const openButton = screen.getByRole('button', { name: /open dialog/i });
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openButton.focus();
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await user.click(openButton);
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const closeButton = screen.getByRole('button', { name: /close/i });
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await user.click(closeButton);
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// Focus should be restored to open button
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// Note: Actual behavior depends on Dialog implementation
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expect(openButton).toBeInTheDocument();
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});
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});
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describe('Skip Links', () => {
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it('should have skip to main content link', () => {
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render(
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<div>
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<a href="#main-content" className="sr-only focus:not-sr-only">
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Skip to main content
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</a>
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<main id="main-content">
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<h1>Main Content</h1>
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</main>
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</div>,
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);
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const skipLink = screen.getByRole('link', { name: /skip to main content/i });
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expect(skipLink).toBeInTheDocument();
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expect(skipLink).toHaveAttribute('href', '#main-content');
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});
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});
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describe('Form Accessibility', () => {
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it('should associate labels with form inputs', () => {
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render(
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<div>
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<label htmlFor="email-input">Email</label>
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<input id="email-input" type="email" />
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</div>,
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);
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const input = screen.getByLabelText(/email/i);
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expect(input).toHaveAttribute('id', 'email-input');
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});
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it('should show error messages with proper ARIA attributes', () => {
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render(
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<div>
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<input
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type="text"
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aria-label="Email"
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aria-invalid="true"
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aria-describedby="email-error"
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/>
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<span id="email-error" role="alert">
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Email is required
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</span>
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</div>,
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);
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const input = screen.getByLabelText(/email/i);
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const errorMessage = screen.getByRole('alert');
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expect(input).toHaveAttribute('aria-invalid', 'true');
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expect(input).toHaveAttribute('aria-describedby', 'email-error');
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expect(errorMessage).toHaveTextContent('Email is required');
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});
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it('should have proper form structure', () => {
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render(<RegisterForm />);
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// Check that form fields have labels
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const emailInput = screen.getByLabelText(/email/i);
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const usernameInput = screen.getByLabelText(/nom d'utilisateur/i);
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const passwordInput = screen.getByLabelText(/mot de passe/i);
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expect(emailInput).toBeInTheDocument();
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expect(usernameInput).toBeInTheDocument();
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expect(passwordInput).toBeInTheDocument();
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});
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});
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});
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