Checkpoint opt-in MangaDex parser worker

scraper/test/source-mangadex-plugin.test.js

@@ -0,0 +1,55 @@
+'use strict';
+
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const { createServer } = require('../plugins/worker');
+const { discoverMangaDexCatalog, discoverMangaDexChapter } = require('../adapters/mangadex');
+
+const mangaId = '123e4567-e89b-42d3-a456-426614174000';
+const chapterIds = [
+  '123e4567-e89b-42d3-a456-426614174001',
+  '123e4567-e89b-42d3-a456-426614174002',
+];
+const seriesUrl = `https://mangadex.org/title/${mangaId}/Fixture`;
+const manga = { data: { type: 'manga', attributes: {
+  title: { en: 'Fixture' }, originalLanguage: 'ja', lastChapter: '2',
+  availableTranslatedLanguages: ['en'], links: {}, tags: [],
+} } };
+const feed = { total: 2, data: chapterIds.map((id, index) => ({
+  id, attributes: { chapter: String(index + 1), title: `Part ${index + 1}`, pages: 2,
+    publishAt: `2026-01-0${index + 1}T00:00:00Z` }, relationships: [],
+})) };
+
+function fakeHttp() {
+  return { async get(url) {
+    const body = url.includes('/at-home/server/') ? {
+      baseUrl: 'https://uploads.mangadex.org', chapter: { hash: 'HASH', data: ['1.jpg', '2.jpg'] },
+    } : url.includes('/feed?') ? feed : manga;
+    return { json: async () => body };
+  } };
+}
+
+test('MangaDex isolated parser matches the existing catalog and page behavior', async () => {
+  const server = createServer('mangadex');
+  await new Promise(resolve => server.listen(0, '127.0.0.1', resolve));
+  const previous = process.env.MANGADEX_PLUGIN_URL;
+  delete process.env.MANGADEX_PLUGIN_URL;
+  try {
+    const baseline = await discoverMangaDexCatalog(seriesUrl, fakeHttp());
+    const baselineChapter = await discoverMangaDexChapter(baseline.chapters[0], fakeHttp());
+    process.env.MANGADEX_PLUGIN_URL = `http://127.0.0.1:${server.address().port}`;
+    const isolated = await discoverMangaDexCatalog(seriesUrl, fakeHttp());
+    const isolatedChapter = await discoverMangaDexChapter(isolated.chapters[0], fakeHttp());
+    assert.deepEqual(isolated, baseline);
+    assert.deepEqual(isolatedChapter, baselineChapter);
+    const rejected = await fetch(`${process.env.MANGADEX_PLUGIN_URL}/v1/parse`, {
+      method: 'POST', headers: { 'content-type': 'application/json' },
+      body: JSON.stringify({ plugin: 'weebcentral', operation: 'series', input: { html: '<h1>X</h1>', url: 'https://weebcentral.com/series/X' } }),
+    });
+    assert.equal(rejected.status, 400);
+  } finally {
+    if (previous === undefined) delete process.env.MANGADEX_PLUGIN_URL;
+    else process.env.MANGADEX_PLUGIN_URL = previous;
+    await new Promise(resolve => server.close(resolve));
+  }
+});