import { getCorrectDOM } from '../../src/utils/html.utils';

describe('html.utils - getCorrectDOM', () => {
  it('retourne le document quand le composant n’existe pas', () => {
    const dom = getCorrectDOM('component-inexistant');
    expect(dom).toBe(document);
  });

  it('retourne le shadowRoot si présent, sinon document', () => {
    const host = document.createElement('div');
    host.setAttribute('id', 'host');
    const shadow = host.attachShadow({ mode: 'open' });
    document.body.appendChild(host);

    const querySpy = jest.spyOn(document, 'querySelector');
    querySpy.mockReturnValue(host as any);

    const dom = getCorrectDOM('#host');
    expect(dom).toBe(shadow);

    querySpy.mockRestore();
    document.body.removeChild(host);
  });
});