Files
core2026/app/game-api/test/authenticatedRealtimeConnection.test.ts
T

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TypeScript

import { PassThrough } from 'node:stream';
import type { ServerResponse } from 'node:http';
import { afterEach, describe, expect, it, vi } from 'vitest';
import type { GameSessionTokenPayload } from '@sammo-ts/common/auth/gameToken';
import { AuthenticatedRealtimeConnection } from '../src/realtime/authenticatedConnection.js';
const payload = (): GameSessionTokenPayload => ({
version: 1,
sessionId: 'test-session',
profile: 'che:default',
issuedAt: new Date().toISOString(),
expiresAt: new Date(Date.now() + 60_000).toISOString(),
user: {
id: 'test-user',
username: 'test',
displayName: 'test',
roles: ['user'],
createdAt: new Date().toISOString(),
},
sanctions: {},
});
const fixture = (resolve: () => Promise<GameSessionTokenPayload | null>, auth = payload()) => {
const response = new PassThrough();
const frames: string[] = [];
response.on('data', (chunk) => frames.push(String(chunk)));
const connection = new AuthenticatedRealtimeConnection(auth, response as unknown as ServerResponse, resolve);
return { response, frames, connection };
};
afterEach(() => vi.useRealTimers());
describe('authenticated realtime connection', () => {
it('does not forward an in-flight result after the token is revoked during its work', async () => {
const auth = payload();
let current: GameSessionTokenPayload | null = auth;
const { connection, frames } = fixture(async () => current, auth);
connection.enqueue(async () => {
current = null;
return 'private invalidation';
});
await vi.waitFor(() => expect(connection.closed).toBe(true));
expect(frames).toEqual([]);
});
it.each(['sessionId', 'profile'] as const)('rejects a replacement %s even for the same user', async (field) => {
const auth = payload();
const { connection, frames } = fixture(async () => ({ ...auth, [field]: 'replacement' }), auth);
connection.enqueue(async () => 'private invalidation');
await vi.waitFor(() => expect(connection.closed).toBe(true));
expect(frames).toEqual([]);
});
it('fails closed when authentication storage fails', async () => {
const { connection, frames } = fixture(async () => {
throw new Error('redis unavailable');
});
connection.enqueue(async () => 'private invalidation');
await vi.waitFor(() => expect(connection.closed).toBe(true));
expect(frames).toEqual([]);
});
it('ends an idle expired stream and releases subscriptions only once', async () => {
vi.useFakeTimers();
const auth = payload();
const { connection } = fixture(async () => auth, auth);
const cleanup = vi.fn();
connection.onClose(cleanup);
await vi.advanceTimersByTimeAsync(60_001);
expect(connection.closed).toBe(true);
expect(cleanup).toHaveBeenCalledTimes(1);
connection.close();
expect(cleanup).toHaveBeenCalledTimes(1);
});
it('bounds queued work while an earlier event is blocked', async () => {
const auth = payload();
const { connection, frames } = fixture(async () => auth, auth);
let release!: () => void;
const waiting = new Promise<void>((resolve) => {
release = resolve;
});
connection.enqueue(async () => {
await waiting;
return 'private invalidation';
});
for (let i = 0; i < 100; i += 1) connection.enqueue(async () => 'private invalidation');
expect(connection.closed).toBe(true);
release();
await new Promise((resolve) => setTimeout(resolve, 0));
expect(frames).toEqual([]);
});
it('ends a slow socket instead of retaining further frames', async () => {
const auth = payload();
const { connection, response } = fixture(async () => auth, auth);
response.write = vi.fn(() => false);
connection.enqueue(async () => 'event: ping\ndata: {}\n\n');
await vi.waitFor(() => expect(connection.closed).toBe(true));
expect(response.writableEnded).toBe(true);
});
});