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// Translation: posts that read foreign are shown in the app's language
// ("Translated from Spanish · Show original"), automatically by default;
// with the switch off they offer Translate instead; ⋯ → Translate asks for
// any post. The registrar's /translate is stubbed here (window.fetch shim).
// Run: bun tools/translate-test.js
import puppeteer from './puppeteer.js';
import { cacheKeyFor } from '../src/wallet.js';
import { generateSecretKey, getPublicKey, finalizeEvent } from 'nostr-tools/pure';
import { buildHtml } from '../build.js';
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
let ok = true;
const check = (n, c, d = '') => { console.log(` ${c ? '✓' : '✗'} ${n}${d ? ' — ' + d : ''}`); if (!c) ok = false; };
const AUTHOR = (() => { const sk = generateSecretKey(); return { sk, pk: getPublicKey(sk) }; })();
const now = Math.floor(Date.now() / 1000);
const post = (content, ago) => finalizeEvent({ kind: 1, created_at: now - ago, tags: [], content }, AUTHOR.sk);
const ES = post('Hola a todos, hoy compré café con bitcoin en el mercado y fue muy fácil para todos los que estaban allí', 100);
const JA = post('ビットコインは素晴らしいです。明日また会いましょう。', 200);
const TAG = post('#総合部絵チャ', 250);
const EN = post('An ordinary post in English about the weather and the market today', 300);
const ANSWERS = {
[ES.content]: { text: 'Hello everyone, today I bought coffee with bitcoin at the market and it was very easy for everyone there', source: 'es' },
[JA.content]: { text: 'Bitcoin is great. Let’s meet again tomorrow.', source: 'ja' },
[EN.content]: { text: EN.content, source: 'en' },
[TAG.content]: { text: '#総合部絵チャ (general art chat)', source: 'ja' },
};
const html = await buildHtml({ minify: true, pwa: false });
const server = Bun.serve({ port: 5303, fetch: () => new Response(html, { headers: { 'content-type': 'text/html' } }) });
const browser = await puppeteer.launch({ executablePath: '/usr/bin/google-chrome', headless: 'new', args: ['--no-sandbox'] });
const page = await browser.newPage();
await page.evaluateOnNewDocument((answers) => {
window.__tr = [];
try { delete self.Translator; } catch {} // the registrar path, every time
const real = window.fetch;
window.fetch = async (url, opts) => {
if (String(url) === 'https://names.coinos.io/translate') {
const body = JSON.parse(opts.body);
window.__tr.push(body);
const a = answers[body.text];
await new Promise((r) => setTimeout(r, 150));
return new Response(JSON.stringify(a || { error: 'nope' }), { status: a ? 200 : 503, headers: { 'content-type': 'application/json' } });
}
return real(url, opts);
};
const Real = window.WebSocket;
window.WebSocket = function (...a) {
const ws = new Real(...a);
const send = ws.send.bind(ws);
ws.send = (data) => {
try { const m = JSON.parse(data); if (m[0] === 'REQ') { setTimeout(() => ws.dispatchEvent(new MessageEvent('message', { data: JSON.stringify(['EOSE', m[1]]) })), 0); return; } if (m[0] === 'EVENT') return; } catch {}
return send(data);
};
return ws;
};
window.WebSocket.prototype = Real.prototype; Object.assign(window.WebSocket, Real);
}, ANSWERS);
const errs = [];
page.on('pageerror', (e) => errs.push(String(e)));
const click = (t) => page.evaluate((x) => { const e = [...document.querySelectorAll('button')].find((n) => n.textContent.trim().toLowerCase().includes(x)); if (e) { e.click(); return true; } return false; }, t);
const text = () => page.evaluate(() => document.body.innerText);
const waitText = async (x, ms = 25000) => { for (let i = 0; i < ms / 250; i++) { if ((await text()).toLowerCase().includes(x.toLowerCase())) return true; await sleep(250); } return false; };
const has = async (x) => (await text()).includes(x);
const row = (m) => page.evaluate((m) => { const r = [...document.querySelectorAll('[data-zap-post]')].find((n) => n.textContent.includes(m)); return r ? r.innerText : null; }, m);
const openFeed = async () => { await page.evaluate(() => document.querySelector('.app-nav-button[aria-label="Feed"]')?.click()); await sleep(1200); };
try {
await page.setViewport({ width: 390, height: 844 });
await page.goto('http://localhost:5303/', { waitUntil: 'domcontentloaded' });
await page.evaluate(() => { localStorage.setItem('btc-wallet-network', 'regtest'); localStorage.setItem('btc-wallet-lang', 'en'); });
await page.reload({ waitUntil: 'domcontentloaded' });
await sleep(400);
await click('create a new wallet'); await sleep(600);
await page.waitForSelector('.words .w .t');
const mn = (await page.$$eval('.words .w .t', (l) => l.map((e) => e.textContent.trim()))).join(' ');
await click('skip verification');
await waitText('receive', 20000);
const base = cacheKeyFor(mn + '\n');
await page.evaluate(([k, pk, ns]) => {
localStorage.setItem(k + ':follows', JSON.stringify({ tags: [['p', pk]], c: '', at: Math.floor(Date.now() / 1000) }));
localStorage.setItem(k + ':feedNotes', JSON.stringify(ns));
localStorage.setItem(k + ':profiles', JSON.stringify({ [pk]: { name: 'Globetrotter', t: Date.now() } }));
localStorage.setItem('btc-wallet-feed:' + k, 'following');
}, [base, AUTHOR.pk, [ES, JA, TAG, EN]]);
await page.reload({ waitUntil: 'domcontentloaded' });
await waitText('receive', 20000);
await openFeed();
console.log('\n[automatic, the default]');
check('the Spanish post is shown in English', await waitText('today I bought coffee with bitcoin', 10000) && !(await has('compré café')));
check('...saying where it came from', /Translated from Spanish/.test(await row('today I bought coffee') || ''), (await row('today I bought coffee') || '').split('\n').slice(-6).join(' | '));
check('the Japanese post too', await waitText('Bitcoin is great', 5000) && /Translated from Japanese/.test(await row('Bitcoin is great') || ''));
check('a post that is only a Japanese hashtag gets its tag glossed, the tag kept', await waitText('#総合部絵チャ (general art chat)', 5000));
const asked = await page.evaluate(() => window.__tr.map((b) => b.text.slice(0, 12) + '>' + b.target));
check('the English post is left alone (never sent)', asked.length === 3 && !asked.some((x) => x.startsWith('An ordinary')), asked.join(', '));
await page.evaluate(() => { const r = [...document.querySelectorAll('[data-zap-post]')].find((n) => n.textContent.includes('today I bought coffee')); [...r.querySelectorAll('.note-translate-btn')].find((b) => /original/i.test(b.textContent)).click(); });
await sleep(400);
check('Show original brings the Spanish back', await has('compré café') && !(await has('today I bought coffee')));
check('...with the offer to translate again', /Translate/.test(await row('compré café') || ''));
console.log('\n[⋯ → Translate on a post the guess calls English]');
await page.evaluate(() => { const r = [...document.querySelectorAll('[data-zap-post]')].find((n) => n.textContent.includes('An ordinary post')); [...r.querySelectorAll('button')].find((b) => b.getAttribute('aria-label') === 'More').click(); });
await sleep(300);
check('the menu offers Translate', await page.evaluate(() => [...document.querySelectorAll('.confirm-pop button')].some((b) => /Translate/.test(b.textContent))));
await page.evaluate(() => [...document.querySelectorAll('.confirm-pop button')].find((b) => /Translate/.test(b.textContent)).click());
check('it says the post is already in English', await waitText('already in your language', 4000));
console.log('\n[automatic switched off]');
await page.evaluate(() => localStorage.setItem('coinos-auto-translate', '0'));
await page.reload({ waitUntil: 'domcontentloaded' });
await waitText('receive', 20000);
await openFeed();
check('foreign posts stay as written', await waitText('明日また会いましょう', 10000) && !(await has('Bitcoin is great')));
check('...offering Translate', /Translate/.test(await row('明日また') || ''));
await page.evaluate(() => { const r = [...document.querySelectorAll('[data-zap-post]')].find((n) => n.textContent.includes('明日また')); r.querySelector('.note-translate-btn').click(); });
check('tapping it translates (remembered from before: no new request)', await waitText('Bitcoin is great', 5000));
check('no page errors', errs.length === 0, errs.slice(0, 2).join(' | '));
} finally { await browser.close(); server.stop(true); }
console.log(ok ? '\n✅ posts translate into the reader\'s language' : '\n❌ failed');
process.exit(ok ? 0 : 1);
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