leggenda-del-regolo/tests/veicoli.browser.mjs

// Verifica visiva mirata: node tests/veicoli.browser.mjs
// Usa lo stesso Chromium/SwiftShader di browser.mjs, senza titolo e audio.
import { chromium } from 'playwright';
import { mkdirSync } from 'node:fs';
import assert from 'node:assert/strict';
import { staticServer } from './helpers.mjs';

const out = process.env.OUT ?? '/tmp/regolo-shots';
mkdirSync(out, { recursive: true });
const server = await staticServer();
let browser;
try {
    browser = await chromium.launch({ args: ['--use-gl=angle', '--use-angle=swiftshader', '--enable-unsafe-swiftshader'] });
    const page = await browser.newPage({ viewport: { width: 1280, height: 720 } });
    const errors = [];
    page.on('pageerror', e => errors.push(e.message));
    page.on('response', r => { if (r.status() >= 400) errors.push(`${r.status()} ${r.url()}`); });
    await page.route('**/__veicoli', route => route.fulfill({ contentType: 'text/html', body:
        '<style>body{margin:0}canvas{display:block;width:1280px;height:720px;image-rendering:pixelated}</style><canvas width="640" height="360"></canvas>' }));
    await page.goto(`http://127.0.0.1:${server.port}/__veicoli`);
    await page.evaluate(async () => {
        const [{ story }, { Game }, renderer] = await Promise.all([
            import('/src/story/story.js'), import('/src/engine/game.js'), import('/src/engine/render.js'),
        ]);
        const loaded = await renderer.loadAssets(story, 'campomigliaio_circolo');
        if (loaded.some(ok => !ok)) throw new Error('Uno sfondo/personaggio non è arrivato');
        const game = new Game(story);
        game.go('campomigliaio_circolo');
        game.time = 8;
        const ctx = document.querySelector('canvas').getContext('2d');
        renderer.render(ctx, game, { time: 8000 });
    });
    assert.deepEqual(errors, []);
    await page.screenshot({ path: `${out}/campomigliaio-veicoli.png` });
    console.log(`Schermata: ${out}/campomigliaio-veicoli.png`);
} finally {
    await browser?.close();
    server.kill();
}