1  import { describe, expect, it } from 'vitest';
 2  import { __test__ } from './shared.js';
 3  describe('amazon shared helpers', () => {
 4      it('builds canonical product and discussion URLs from ASINs and product URLs', () => {
 5          expect(__test__.buildProductUrl('B0FJS72893')).toBe('https://www.amazon.com/dp/B0FJS72893');
 6          expect(__test__.buildProductUrl('https://www.amazon.com/dp/B0FJS72893/ref=something')).toBe('https://www.amazon.com/dp/B0FJS72893');
 7          expect(__test__.buildDiscussionUrl('https://www.amazon.com/dp/B0FJS72893')).toBe('https://www.amazon.com/product-reviews/B0FJS72893');
 8      });
 9      it('parses price, rating, and review-count text', () => {
10          expect(__test__.parsePriceText('1 offer from $34.11')).toEqual({
11              price_text: '$34.11',
12              price_value: 34.11,
13              currency: 'USD',
14          });
15          expect(__test__.parseRatingValue('3.9 out of 5 stars, rating details')).toBe(3.9);
16          expect(__test__.parseReviewCount('27 global ratings')).toBe(27);
17          expect(__test__.parseReviewCount('(2.9K)')).toBe(2900);
18          expect(__test__.parseReviewCount('1.2M global ratings')).toBe(1200000);
19          expect(__test__.extractReviewCountFromCardText('Desk Shelf\n4.3 out of 5 stars\n435\n$25.92')).toBe('435');
20      });
21      it('recognizes robot checks and Amazon-owned merchants', () => {
22          expect(__test__.isAmazonEntity('Ships from Amazon')).toBe(true);
23          expect(__test__.trimRatingPrefix('5.0 out of 5 stars Great value and quality')).toBe('Great value and quality');
24          expect(__test__.isRobotState({
25              title: 'Robot Check',
26              body_text: 'Sorry, we just need to make sure you\'re not a robot',
27          })).toBe(true);
28      });
29      it('requires a real best-sellers URL or path', () => {
30          expect(__test__.resolveBestsellersUrl('/Best-Sellers/zgbs')).toBe('https://www.amazon.com/Best-Sellers/zgbs');
31          expect(() => __test__.resolveBestsellersUrl('desk shelf organizer')).toThrow('amazon bestsellers expects a best sellers URL or /zgbs path');
32      });
33      it('resolves and validates all ranking list URLs', () => {
34          expect(__test__.resolveRankingUrl('new_releases')).toBe('https://www.amazon.com/gp/new-releases');
35          expect(__test__.resolveRankingUrl('movers_shakers')).toBe('https://www.amazon.com/gp/movers-and-shakers');
36          expect(__test__.resolveRankingUrl('new_releases', '/gp/new-releases/kitchen')).toBe('https://www.amazon.com/gp/new-releases/kitchen');
37          expect(__test__.resolveRankingUrl('bestsellers', 'https://www.amazon.com/Best-Sellers/zgbs/ref=zg_bsnr_tab_bs')).toBe('https://www.amazon.com/Best-Sellers/zgbs');
38          expect(() => __test__.resolveRankingUrl('movers_shakers', 'https://example.com/gp/movers-and-shakers')).toThrow('Invalid Amazon URL');
39      });
40      it('extracts category node id from URL best effort', () => {
41          expect(__test__.extractCategoryNodeId('https://www.amazon.com/Best-Sellers-Home-Kitchen/zgbs/home-garden/3744371')).toBe('3744371');
42          expect(__test__.extractCategoryNodeId('https://www.amazon.com/s?k=desk+organizer&rh=n%3A1064954')).toBe('1064954');
43      });
44  });