import fs from "node:fs/promises";

import { type AddressInfo, createServer } from "node:net";

import os from "node:os";

import path from "node:path";

import { afterAll, afterEach, beforeAll, beforeEach, expect, vi } from "vitest";

return await getDeterministicFreePortBlock({ offsets: [0, 1, 2, 3, 4] });

}

export async function occupyPort(): Promise<{

server: ReturnType<typeof createServer>;

port: number;

}> {

return await new Promise((resolve, reject) => {

const server = createServer();

server.once("error", reject);

server.listen(0, "127.0.0.1", () => {

const port = (server.address() as AddressInfo).port;

resolve({ server, port });

});

});

}

type GatewayTestMessage = {

type?: string;

id?: string;