pallas/pallas-multiplexer/tests/integration.rs

75 lines
2.4 KiB
Rust

use std::{
net::{Ipv4Addr, SocketAddrV4, TcpListener, TcpStream},
thread::{self, JoinHandle},
};
use log::info;
use pallas_multiplexer::{Channel, Multiplexer};
use rand::{distributions::Uniform, Rng};
fn setup_passive_muxer<const P: u16>() -> JoinHandle<Multiplexer> {
thread::spawn(|| {
let server = TcpListener::bind(SocketAddrV4::new(Ipv4Addr::LOCALHOST, P)).unwrap();
info!("listening for connections on port {}", P);
let (bearer, _) = server.accept().unwrap();
Multiplexer::setup(bearer, &[0x8003u16]).unwrap()
})
}
fn setup_active_muxer<const P: u16>() -> JoinHandle<Multiplexer> {
thread::spawn(|| {
let bearer = TcpStream::connect(SocketAddrV4::new(Ipv4Addr::LOCALHOST, P)).unwrap();
Multiplexer::setup(bearer, &[0x0003u16]).unwrap()
})
}
fn random_payload(size: usize) -> Vec<u8> {
let range = Uniform::from(0..255);
rand::thread_rng().sample_iter(&range).take(size).collect()
}
#[test]
fn one_way_small_payload_is_consistent() {
let passive = setup_passive_muxer::<50201>();
// HACK: a small sleep seems to be required for Github actions runner to
// formally expose the port
thread::sleep(std::time::Duration::from_secs(1));
let active = setup_active_muxer::<50201>();
let mut active_muxer = active.join().unwrap();
let mut passive_muxer = passive.join().unwrap();
let Channel(tx, _) = active_muxer.use_channel(0x0003u16);
let Channel(_, rx) = passive_muxer.use_channel(0x8003u16);
let payload = random_payload(50);
tx.send(payload.clone()).unwrap();
let received_payload = rx.recv().unwrap();
assert_eq!(payload, received_payload)
}
#[test]
fn one_way_small_sequence_of_payloads_are_consistent() {
let passive = setup_passive_muxer::<50301>();
// HACK: a small sleep seems to be required for Github actions runner to
// formally expose the port
thread::sleep(std::time::Duration::from_secs(1));
let active = setup_active_muxer::<50301>();
let mut active_muxer = active.join().unwrap();
let mut passive_muxer = passive.join().unwrap();
let Channel(tx, _) = active_muxer.use_channel(0x0003u16);
let Channel(_, rx) = passive_muxer.use_channel(0x8003u16);
for _ in [0..100] {
let payload = random_payload(50);
tx.send(payload.clone()).unwrap();
let received_payload = rx.recv().unwrap();
assert_eq!(payload, received_payload)
}
}