1  import { describe, expect, it } from 'vitest';
 2  import { __test__ } from './rankings.js';
 3  describe('amazon rankings helpers', () => {
 4      it('normalizes ranking candidates with unified schema', () => {
 5          const result = __test__.normalizeRankingCandidate({
 6              rank_text: '#3',
 7              asin: 'B0DR31GC3D',
 8              title: 'Desk Shelves Desktop Organizer',
 9              href: 'https://www.amazon.com/dp/B0DR31GC3D/ref=zg_bs',
10              price_text: '$25.92',
11              rating_text: '4.3 out of 5 stars',
12              review_count_text: '435',
13          }, {
14              listType: 'new_releases',
15              rankFallback: 3,
16              listTitle: 'Amazon New Releases',
17              sourceUrl: 'https://www.amazon.com/gp/new-releases',
18              categoryTitle: 'Home & Kitchen',
19              categoryUrl: 'https://www.amazon.com/gp/new-releases/home-garden',
20              categoryPath: ['Home & Kitchen'],
21              visibleCategoryLinks: [{ title: 'Storage', url: 'https://www.amazon.com/gp/new-releases/storage', node_id: null }],
22          });
23          expect(result.list_type).toBe('new_releases');
24          expect(result.rank).toBe(3);
25          expect(result.asin).toBe('B0DR31GC3D');
26          expect(result.product_url).toBe('https://www.amazon.com/dp/B0DR31GC3D');
27          expect(result.category_title).toBe('Home & Kitchen');
28          expect(result.visible_category_links).toEqual([
29              { title: 'Storage', url: 'https://www.amazon.com/gp/new-releases/storage', node_id: null },
30          ]);
31      });
32      it('deduplicates category links and parses rank fallback', () => {
33          const links = __test__.normalizeVisibleCategoryLinks([
34              { title: 'Kitchen', url: '/gp/new-releases/home-garden' },
35              { title: 'Kitchen', url: 'https://www.amazon.com/gp/new-releases/home-garden' },
36              { title: 'Storage', url: '/gp/new-releases/storage', node_id: '1064954' },
37          ]);
38          expect(links.length).toBe(2);
39          expect(__test__.parseRank('N/A', 8)).toBe(8);
40      });
41  });