// src/components/Footer.test.tsx
import React from 'react';
import { render, screen } from '@testing-library/react';
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { Footer } from './Footer';

describe('Footer', () => {
  beforeEach(() => {
    // Set up fake timers to control the date
    vi.useFakeTimers();
  });

  afterEach(() => {
    // Restore real timers after each test
    vi.useRealTimers();
  });

  it('should render the copyright notice with the correct year', () => {
    // Arrange: Set a specific date for a predictable test outcome
    const mockDate = new Date('2025-08-22T10:00:00Z');
    vi.setSystemTime(mockDate);

    // Act: Render the component
    render(<Footer />);

    // Assert: Check that the rendered text includes the mocked year
    expect(screen.getByText('Copyright 2025-2025')).toBeInTheDocument();
  });

  it('should display the correct year when it changes', () => {
    vi.setSystemTime(new Date('2030-01-01T00:00:00Z'));
    render(<Footer />);
    expect(screen.getByText('Copyright 2025-2030')).toBeInTheDocument();
  });
});