import { describe, test, expect } from 'vitest';
import { FeaturesGrid } from './FeaturesGrid';

const toHtml = (FeaturesGrid as any).toHtml;

describe('FeaturesGrid.toHtml image sink uses safeImageUrl (data:image/svg+xml allowed)', () => {
  test('feat.image as a data:image/svg+xml value emits a non-empty <img src>', () => {
    const svgDataUri = 'data:image/svg+xml,%3Csvg%2F%3E';
    const features = [
      { title: 'Feature', description: 'Desc', icon: '⚡', image: svgDataUri, imageAlt: 'alt' },
    ];
    const { html } = toHtml({ features }, '');
    expect(html).toContain(`<img src="${svgDataUri}"`);
  });

  test('feat.buttonUrl stays on safeUrl (data:image/svg+xml blocked as a navigation target)', () => {
    const features = [
      { title: 'Feature', description: 'Desc', icon: '⚡', buttonText: 'Go', buttonUrl: 'data:image/svg+xml,<svg onload=alert(1)>' },
    ];
    const { html } = toHtml({ features }, '');
    expect(html).toMatch(/<a href=""/);
  });
});