vented/tests/test_communication.rs

use crypto_box::SecretKey;
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::Arc;
use std::thread;
use std::time::Duration;
use vented::event::Event;
use vented::server::data::{Node, ServerTimeouts};
use vented::server::server_events::NODE_LIST_REQUEST_EVENT;
use vented::server::VentedServer;

fn setup() {
    simple_logger::SimpleLogger::new().init().unwrap();
}

#[test]
fn test_server_communication() {
    setup();
    let ping_count = Arc::new(AtomicUsize::new(0));
    let pong_count = Arc::new(AtomicUsize::new(0));
    let mut rng = rand::thread_rng();
    let global_secret_a = SecretKey::generate(&mut rng);
    let global_secret_b = SecretKey::generate(&mut rng);
    let global_secret_c = SecretKey::generate(&mut rng);

    let nodes = vec![
        Node {
            id: "A".to_string(),
            addresses: vec!["localhost:22222".to_string()],
            public_key: global_secret_a.public_key(),
            trusted: true,
        },
        Node {
            id: "B".to_string(),
            addresses: vec![],
            public_key: global_secret_b.public_key(),
            trusted: false,
        },
        Node {
            id: "C".to_string(),
            addresses: vec![],
            public_key: global_secret_c.public_key(),
            trusted: false,
        },
    ];
    let mut nodes_a = nodes.clone();
    for i in 0..10 {
        nodes_a.push(Node {
            id: format!("Node-{}", i),
            addresses: vec!["192.168.178.1".to_string()],
            public_key: global_secret_c.public_key(),
            trusted: false,
        })
    }
    let mut server_a = VentedServer::new(
        "A".to_string(),
        global_secret_a,
        nodes_a,
        ServerTimeouts::default(),
        20,
        100,
    );
    let mut server_b = VentedServer::new(
        "B".to_string(),
        global_secret_b,
        nodes.clone(),
        ServerTimeouts::default(),
        3,
        100,
    );
    let server_c = VentedServer::new(
        "C".to_string(),
        global_secret_c,
        nodes,
        ServerTimeouts::default(),
        3,
        100,
    );
    let wg = server_a.listen("localhost:22222".to_string());
    wg.wait();

    server_a.on("ping", {
        let ping_count = Arc::clone(&ping_count);
        move |_| {
            ping_count.fetch_add(1, Ordering::Relaxed);

            Some(Event::new("pong".to_string()))
        }
    });
    server_b.on("pong", {
        let pong_count = Arc::clone(&pong_count);
        move |_| {
            pong_count.fetch_add(1, Ordering::Relaxed);
            None
        }
    });
    for i in 0..10 {
        server_a.emit(format!("Nodes-{}", i), Event::new("ping"));
    }
    server_b
        .emit("A", Event::new(NODE_LIST_REQUEST_EVENT))
        .on_success(|_| println!("Success"))
        .block_unwrap();
    server_c
        .emit("A", Event::new("ping".to_string()))
        .block_unwrap();
    for _ in 0..9 {
        server_b
            .emit("A", Event::new("ping".to_string()))
            .block_unwrap();
    }
    server_a
        .emit("B", Event::new("pong".to_string()))
        .block_unwrap();
    server_b
        .emit("C", Event::new("ping".to_string()))
        .block_unwrap();

    // wait one second to make sure the servers were able to process the events
    for _ in 0..100 {
        thread::sleep(Duration::from_millis(10));
    }

    assert_eq!(ping_count.load(Ordering::SeqCst), 10);
    assert_eq!(pong_count.load(Ordering::SeqCst), 10);
}