import { describe, expect, it } from 'vitest';

import { markdownToDoc } from './markdown';
import { extractWikilinkSlugs } from './wikilinks';

describe('extractWikilinkSlugs (issue #47)', () => {
  it('collects distinct target slugs in order of first appearance', () => {
    const doc = markdownToDoc('Link to [[alpha]] and [[beta|Bee]] and again [[alpha]].');
    expect(extractWikilinkSlugs(doc)).toEqual(['alpha', 'beta']);
  });

  it('returns an empty list when there are no wikilinks', () => {
    expect(extractWikilinkSlugs(markdownToDoc('Just plain text, no links.'))).toEqual([]);
  });
});