hledger-web-reports/apps/web/e2e/server.js

import { spawn } from 'node:child_process';
import { randomUUID } from 'node:crypto';
import { once } from 'node:events';
import { rm } from 'node:fs/promises';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { setTimeout as delay } from 'node:timers/promises';
import { fileURLToPath } from 'node:url';
import { prepareBrowserFixture } from './fixture.js';

// App-owned test deployment: no personal config and no reused SQLite/data files.
const deployment =
	process.env.HLEDGER_TEST_DEPLOYMENT ?? join(tmpdir(), `hledger-browser-${randomUUID()}`);
const { configPath } = await prepareBrowserFixture(deployment);

const children = [];
let stopping = false;
async function stop(code) {
	if (stopping) return;
	stopping = true;
	const exits = children.map((child) =>
		child.pid === undefined || child.exitCode !== null || child.signalCode !== null
			? Promise.resolve()
			: once(child, 'exit')
	);
	for (const child of children) child.kill('SIGTERM');
	const deadline = setTimeout(() => {
		for (const child of children) child.kill('SIGKILL');
	}, 5_000);
	await Promise.all(exits);
	clearTimeout(deadline);
	await rm(deployment, { recursive: true, force: true });
	process.exit(code);
}
process.once('SIGINT', () => void stop(0));
process.once('SIGTERM', () => void stop(0));

function start(relativeEntry, environment) {
	const entry = fileURLToPath(new URL(relativeEntry, import.meta.url));
	const child = spawn(process.execPath, [entry], {
		env: { ...process.env, ...environment, CONFIG_PATH: configPath },
		stdio: 'inherit'
	});
	children.push(child);
	child.once('error', () => void stop(1));
	child.once('exit', () => {
		if (!stopping) void stop(1);
	});
}

start('../../worker/dist/src/index.js', { WORKER_PORT: '4193' });
try {
	let ready = false;
	for (let attempt = 0; attempt < 100 && !ready; attempt++) {
		ready = await fetch('http://127.0.0.1:4193/healthz', {
			signal: AbortSignal.timeout(1_000)
		})
			.then((response) => response.ok)
			.catch(() => false);
		if (!ready) await delay(100);
	}
	if (!ready) throw new Error('Fixture worker did not become ready.');
	start('./web.js', {
		HOST: '127.0.0.1',
		PORT: '3000',
		ADDRESS_HEADER: 'x-real-ip',
		PROTOCOL_HEADER: 'x-forwarded-proto',
		HOST_HEADER: '',
		PORT_HEADER: ''
	});
} catch {
	console.error('Browser fixture startup failed. Build both apps and check hledger 1.99.5.');
	await stop(1);
}