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fix(test): task-backlog's HOST=localhost server is probed on both loopback families #16

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Merged
Its-My-Work merged 1 commit into from
Sep 22, 2026
Merged

fix(test): task-backlog's HOST=localhost server is probed on both loopback families #16

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18 changes: 13 additions & 5 deletions test/task-backlog.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -343,13 +343,21 @@ const NEVER = new Date(Date.now() + 365 * 24 * 3600 * 1000).toISOString();
refuse.stdout.on('data', d => { refuseLog += d; });
refuse.stderr.on('data', d => { refuseLog += d; });
process.on('exit', () => { try { refuse.kill('SIGTERM'); } catch {} try { fs.rmSync(APP3, { recursive: true, force: true }); } catch {} });
let refuseUp = false;
for (let i = 0; i < 80; i++) {
try { const r = await fetch(`http://localhost:${PORT3}/api/health`); if (r.ok) { refuseUp = true; break; } } catch {}
await sleep(250);
// HOST=localhost is a NAME, and this sandbox's own dual-stack resolution is split: the server's
// net.Server.listen('localhost') and the test client's own DNS lookup of 'localhost' do not agree on
// which loopback family to use (observed here: the server binds ::1, a plain lookup of 'localhost'
// answers 127.0.0.1 only) — so a client that also just asks for 'localhost' can get ECONNREFUSED
// against a server that is, in fact, up. The server's HOST=localhost decision (the thing under test)
// does not depend on which literal address the test then uses to reach it, so the client tries both.
let refuseUp = false, refuseHost = null;
for (let i = 0; i < 80 && !refuseUp; i++) {
for (const host of ['127.0.0.1', '[::1]']) {
try { const r = await fetch(`http://${host}:${PORT3}/api/health`); if (r.ok) { refuseUp = true; refuseHost = host; break; } } catch {}
}
if (!refuseUp) await sleep(250);
}
if (!refuseUp) die(`the refusing server on port ${PORT3} did not start\n${refuseLog}`);
const refuseRes = await fetch(`http://localhost:${PORT3}/api/internal/task-manager`, {
const refuseRes = await fetch(`http://${refuseHost}:${PORT3}/api/internal/task-manager`, {
method: 'POST',
headers: { 'content-type': 'application/json', authorization: 'Bearer short-secret' },
body: JSON.stringify({ action: 'list_tasks' }),
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