import { SITE_URL, absoluteUrl } from '@/lib/site';

describe('SITE_URL', () => {
  it('is the www host, which is the one that serves a 200', () => {
    // The apex 301s to www at Cloudflare. A canonical pointing at a redirect
    // is a wasted signal, so every absolute URL we emit must already be www.
    expect(SITE_URL).toBe('https://www.schoolcompare.co.uk');
  });

  it('has no trailing slash, so joins never double up', () => {
    expect(SITE_URL.endsWith('/')).toBe(false);
  });
});

describe('absoluteUrl', () => {
  it('joins a rooted path', () => {
    expect(absoluteUrl('/rankings')).toBe('https://www.schoolcompare.co.uk/rankings');
  });

  it('joins a path missing its leading slash', () => {
    expect(absoluteUrl('rankings')).toBe('https://www.schoolcompare.co.uk/rankings');
  });

  it('maps the site root to a bare trailing slash', () => {
    expect(absoluteUrl('/')).toBe('https://www.schoolcompare.co.uk/');
  });
});