azon_seeker/scripts/test-amazon-search-page-ready.ts

import { JSDOM } from 'jsdom';
import { waitForAmazonSearchPageReady } from '../src/page-worker/web-injectors/amazon-search-page-ready';

const main = async () => {
  const dom = new JSDOM(
    '<main><div class="a-spinner">Persistent widget spinner</div><div data-component-type="s-search-result" data-asin="B000000001"></div><a class="s-pagination-next" href="/s?page=2">Next</a></main>',
    { url: 'https://www.amazon.com/s?k=security+camera' },
  );
  Object.defineProperty(dom.window.document, 'readyState', {
    configurable: true,
    value: 'complete',
  });
  Object.assign(globalThis, { document: dom.window.document, window: dom.window });
  Object.assign(dom.window.HTMLElement.prototype, { scrollIntoView: () => undefined });
  Object.assign(dom.window, { scrollTo: () => undefined });

  dom.window.setTimeout(() => {
    const sponsoredModule = dom.window.document.createElement('section');
    sponsoredModule.innerHTML =
      '<span aria-label="Sponsored">Sponsored</span><article data-asin="B000000002"><h3>Lazy sponsored product</h3><a href="/dp/B000000002"><img src="https://example.com/lazy.jpg"></a></article>';
    dom.window.document.querySelector('main')?.append(sponsoredModule);
  }, 500);

  const started = Date.now();
  await waitForAmazonSearchPageReady();
  const elapsed = Date.now() - started;

  if (!dom.window.document.querySelector('[data-asin="B000000002"]')) {
    throw new Error('Lazy sponsored DOM was not loaded before page readiness completed');
  }
  if (elapsed >= 5000) {
    throw new Error(`Ready search results were delayed by a persistent spinner (${elapsed}ms)`);
  }
  dom.window.close();

  const errorDom = new JSDOM(
    '<main><h1>SORRY</h1><p>Something went wrong on our end.</p><p>Please go back and try again.</p></main>',
    { url: 'https://www.amazon.com/s?k=protein+powder' },
  );
  Object.defineProperty(errorDom.window.document, 'readyState', {
    configurable: true,
    value: 'complete',
  });
  Object.assign(globalThis, { document: errorDom.window.document, window: errorDom.window });
  await waitForAmazonSearchPageReady().then(
    () => {
      throw new Error('Amazon transient error page must not be accepted as an empty result page');
    },
    (error) => {
      if (!String(error).includes('临时错误页')) throw error;
    },
  );
  errorDom.window.close();

  const captchaDom = new JSDOM('<input id="captchacharacters">', {
    url: 'https://www.amazon.com/s?k=protein+powder',
  });
  Object.defineProperty(captchaDom.window.document, 'readyState', {
    configurable: true,
    value: 'complete',
  });
  Object.assign(globalThis, { document: captchaDom.window.document, window: captchaDom.window });
  await waitForAmazonSearchPageReady().then(
    () => {
      throw new Error('Amazon captcha page must fail immediately');
    },
    (error) => {
      if (!String(error).includes('验证码')) throw error;
    },
  );
  captchaDom.window.close();

  console.log('Amazon search page-ready tests passed.');
};

void main();