nbio 0.22.1

Non-Blocking I/O
Documentation 
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#[cfg(any(feature = "http"))]
mod tests {
    use std::{net::Ipv4Addr, str::FromStr, time::Duration};

    use http::{Request, StatusCode};

    use nbio::{Publish, Receive, ReceiveOutcome, Session, http::HttpClient};

    #[test]
    fn test_google_chunked_response() {
        // create the client and make the request
        let client = HttpClient::new();
        let mut conn = client
            .request(Request::get("https://www.google.com").body(()).unwrap())
            .unwrap();

        // receive the conn until a full response is received
        loop {
            conn.drive().unwrap();
            if let ReceiveOutcome::Payload(r) = conn.receive().unwrap() {
                // validate the response
                assert_eq!(r.status(), StatusCode::OK);
                assert!(String::from_utf8_lossy(r.body()).ends_with("</html>"));
                break;
            }
        }
    }

    #[test]
    fn test_simple_response() {
        // create the client and make the request
        let client = HttpClient::new();
        let mut conn = client
            .request(Request::get("http://icanhazip.com").body(()).unwrap())
            .unwrap();

        // receive the conn until a full response is received
        loop {
            conn.drive().unwrap();
            if let ReceiveOutcome::Payload(r) = conn.receive().unwrap() {
                // validate the response
                assert_eq!(r.status(), StatusCode::OK);
                let body = String::from_utf8_lossy(r.body());
                Ipv4Addr::from_str(body.trim()).expect("IP V4 address as body");
                break;
            }
        }
    }

    #[test]
    fn test_keep_alive() {
        // create the client and make the initial request
        let client = HttpClient::new();
        let mut conn = client
            .request(Request::get("http://icanhazip.com").body(()).unwrap())
            .unwrap();

        // receive the conn until the first full response is received
        loop {
            conn.drive().unwrap();
            if let ReceiveOutcome::Payload(r) = conn.receive().unwrap() {
                // validate the response
                assert_eq!(r.status(), StatusCode::OK);
                let body = String::from_utf8_lossy(r.body());
                Ipv4Addr::from_str(body.trim()).expect("IP V4 address as body");
                break;
            }
        }

        // write another request
        conn.publish(
            Request::get("http://icanhazip.com")
                .body(Vec::new())
                .unwrap()
                .into(),
        )
        .unwrap();

        // receive the conn until the second full response is received
        loop {
            conn.drive().unwrap();
            if let ReceiveOutcome::Payload(r) = conn.receive().unwrap() {
                // validate the response
                assert_eq!(r.status(), StatusCode::OK);
                let body = String::from_utf8_lossy(r.body());
                Ipv4Addr::from_str(body.trim()).expect("IP V4 address as body");
                break;
            }
        }
    }

    #[test]
    fn test_connection_pooling() {
        // create the client and make the initial request
        let client = HttpClient::new().with_connection_pool(10, 20, Duration::from_secs(180));

        // first request scope
        {
            let mut conn = client
                .request(Request::get("http://icanhazip.com").body(()).unwrap())
                .unwrap();

            assert_eq!(false, conn.is_pooled());

            // receive the conn until the first full response is received
            loop {
                conn.drive().unwrap();
                if let ReceiveOutcome::Payload(r) = conn.receive().unwrap() {
                    // validate the response
                    assert_eq!(r.status(), StatusCode::OK);
                    let body = String::from_utf8_lossy(r.body());
                    Ipv4Addr::from_str(body.trim()).expect("IP V4 address as body");
                    break;
                }
            }
        }

        // second request scope
        {
            let mut conn = client
                .request(Request::get("http://icanhazip.com").body(()).unwrap())
                .unwrap();

            assert_eq!(true, conn.is_pooled());

            // receive the conn until the first full response is received
            loop {
                conn.drive().unwrap();
                if let ReceiveOutcome::Payload(r) = conn.receive().unwrap() {
                    // validate the response
                    assert_eq!(r.status(), StatusCode::OK);
                    let body = String::from_utf8_lossy(r.body());
                    Ipv4Addr::from_str(body.trim()).expect("IP V4 address as body");
                    break;
                }
            }
        }
    }
}