xmr-btc-swap/xmr-btc/tests/tor.rs

#[cfg(feature = "tor")]
mod tor_test {

    use anyhow::Result;
    use hyper::service::{make_service_fn, service_fn};
    use reqwest::StatusCode;
    use spectral::prelude::*;
    use std::convert::Infallible;
    use tokio::sync::oneshot::Receiver;
    use torut::onion::TorSecretKeyV3;
    use xmr_btc::tor::{AuthenticatedConnection, TOR_PROXY_ADDR};

    async fn hello_world(
        _req: hyper::Request<hyper::Body>,
    ) -> Result<hyper::Response<hyper::Body>, Infallible> {
        Ok(hyper::Response::new("Hello World".into()))
    }

    fn start_test_service(port: u16, rx: Receiver<()>) {
        let make_svc =
            make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(hello_world)) });
        let addr = ([127, 0, 0, 1], port).into();
        let server = hyper::Server::bind(&addr).serve(make_svc);
        let graceful = server.with_graceful_shutdown(async {
            rx.await.ok();
        });
        tokio::spawn(async {
            // server.await.unwrap();
            if let Err(e) = graceful.await {
                eprintln!("server error: {}", e);
            }
        });
    }

    #[tokio::test]
    async fn test_tor_control_port() -> Result<()> {
        // Setup test HTTP Server
        let (tx, rx) = tokio::sync::oneshot::channel::<()>();
        let port = 8080;
        start_test_service(port, rx);

        // Connect to local Tor service
        let mut authenticated_connection = AuthenticatedConnection::new().await?;

        // Expose an onion service that re-directs to the echo server.
        let tor_secret_key_v3 = TorSecretKeyV3::generate();
        authenticated_connection
            .add_service(port, &tor_secret_key_v3)
            .await?;

        // Test if Tor service forwards to HTTP Server

        let proxy = reqwest::Proxy::all(format!("socks5h://{}", *TOR_PROXY_ADDR).as_str())
            .expect("tor proxy should be there");
        let client = reqwest::Client::builder().proxy(proxy).build().unwrap();
        let onion_address = tor_secret_key_v3.public().get_onion_address().to_string();
        let onion_url = format!("http://{}:8080", onion_address);

        let res = client.get(&onion_url).send().await?;
        assert_that(&res.status()).is_equal_to(StatusCode::OK);

        let text = res.text().await?;
        assert_that!(text).contains("Hello World");

        // gracefully shut down server
        let _ = tx.send(());
        Ok(())
    }
}