import { EventEmitter } from 'node:events'
import { Socks5Client, STATES } from 'undici/lib/core/socks5-client.js'

class MockSocket extends EventEmitter {
  write () {}
  destroy () {}
}

const socket = new MockSocket()
const client = new Socks5Client(socket)

// Simulate the state after SOCKS5 CONNECT succeeds.
client.state = STATES.CONNECTED

// This is tunneled application data, e.g. an HTTP response chunk.
socket.emit('data', Buffer.alloc(1024))

console.log('state:', client.state)
console.log('buffer length:', client.buffer.length)