import { mkdir, mkdtemp, rm, unlink, writeFile } from 'node:fs/promises'; import http, { createServer } from 'node:http'; import { tmpdir } from 'node:os'; import { dirname, join } from 'node:path'; import { spawn } from 'node:child_process'; import { fileURLToPath } from 'node:url'; import { after, before, it } from 'node:test'; import assert from 'node:assert/strict'; const __dirname = dirname(fileURLToPath(import.meta.url)); const serverScript = join(__dirname, 'docker-server.mjs'); function getFreePort() { return new Promise((resolve) => { const s = createServer(); s.listen(0, '127.0.0.1', () => { const { port } = s.address(); s.close(() => resolve(port)); }); }); } function rawGet(port, path) { return new Promise((resolve, reject) => { const req = http.request({ host: '127.0.0.1', port, path }, (res) => { let body = ''; res.setEncoding('utf8'); res.on('data', (chunk) => { body += chunk; }); res.on('end', () => resolve({ status: res.statusCode, headers: res.headers, body })); }); req.on('error', reject); req.end(); }); } async function waitForServer(port, retries = 30) { for (let i = 0; i < retries; i++) { try { await rawGet(port, '/'); return; } catch { await new Promise((r) => setTimeout(r, 100)); } } throw new Error('Server did not start in time'); } let tmpDir, serverPort, child; before(async () => { tmpDir = await mkdtemp(join(tmpdir(), 'gitnexus-docker-test-')); const distDir = join(tmpDir, 'dist'); const assetsDir = join(distDir, 'assets'); await mkdir(assetsDir, { recursive: true }); await writeFile(join(distDir, 'index.html'), 'spa'); await writeFile(join(assetsDir, 'app.abc123.js'), 'console.log("app")'); serverPort = await getFreePort(); child = spawn(process.execPath, [serverScript], { cwd: tmpDir, env: { ...process.env, PORT: String(serverPort) }, stdio: 'pipe', }); child.on('error', (err) => { throw err; }); await waitForServer(serverPort); }); after(async () => { child?.kill(); if (tmpDir) await rm(tmpDir, { recursive: true, force: true }); }); it('serves a valid asset with immutable cache header', async () => { const res = await rawGet(serverPort, '/assets/app.abc123.js'); assert.equal(res.status, 200); assert.match(res.headers['cache-control'], /immutable/); assert.equal(res.headers['cross-origin-opener-policy'], 'same-origin'); assert.equal(res.headers['cross-origin-embedder-policy'], 'require-corp'); }); it('serves SPA fallback for unknown routes', async () => { const res = await rawGet(serverPort, '/some/unknown/route'); assert.equal(res.status, 200); assert.match(res.body, /spa/); assert.match(res.headers['cache-control'], /no-cache/); }); it('rejects path traversal with 400', async () => { const res = await rawGet(serverPort, '/../../../etc/passwd'); assert.equal(res.status, 400); }); it('rejects percent-encoded null bytes with 400', async () => { const res = await rawGet(serverPort, '/foo%00bar'); assert.equal(res.status, 400); }); it('returns 404 when dist/index.html is missing', async () => { await unlink(join(tmpDir, 'dist', 'index.html')); const res = await rawGet(serverPort, '/nonexistent-page'); assert.equal(res.status, 404); });