elemental-object 0.1.0

TypeId-based object pool for hotreloadable, cross-runtime shared state management.
Documentation 
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pub mod context;
pub mod facade;
pub mod instant;
pub mod pool;
pub use facade::*;

#[cfg(test)]
mod testobj {
    use std::time::Duration;
    use tokio::{join, task::JoinSet, time::sleep};

    use super::*;
    #[tokio::test]
    async fn test_fulfill() {
        use std::sync::Arc;
        use tokio::sync::Notify;
        // FIXME: REMOVE nofity and we should resolve the wait problem by shutdown function, if the value is shutdown.
        let ready = Arc::new(Notify::new());
        let dropped = Arc::new(Notify::new());
        let ready2 = ready.clone();
        let dropped2 = dropped.clone();
        let handle = tokio::spawn(async move {
            println!("Fulfilling value");
            provide_with_shutdown("value".to_string(), |value| async move {
                println!("Shutting down value {}", value);
            })
            .await;
            ready2.notify_one();
            dropped2.notified().await;
            println!("Fulfilling value again");
            fulfill("value2".to_string()).await;
            ready2.notify_one();
        });
        ready.notified().await;
        println!("Got value here {:?}", acquire::<String>().await);
        println!("Dropping value");
        drop_value::<String>().await;
        dropped.notify_one();
        ready.notified().await;
        println!("Acquired value again {:?}", acquire::<String>().await);
        shutdown().await;
        handle.await.unwrap();
    }

    #[tokio::test]
    async fn test_provide() {
        provide_with_shutdown("value".to_string(), |value| async move {
            println!("Shutting down value {}", value);
        })
        .await;
        provide_with_shutdown(1usize, |value| async move {
            println!("Shutting down value {}", value);
        })
        .await;
        println!("Got `String` value here {:?}", require::<String>().await);
        println!("Got `usize` value here {:?}", require::<usize>().await);
        println!("Dropping `String` value");
        drop_value::<String>().await;
    }

    #[tokio::test]
    async fn test_context() {
        provide("Cheese".to_string()).await;
        provide_with_shutdown(1usize, |value| async move {
            println!(
                "This means the context shutdown can also access the value, value = {}",
                value
            );
        })
        .await;
        let context = ObjectContext::new();
        let supplier = context.clone().run(async {
            println!("Making delay in context");
            sleep(Duration::from_secs(3)).await;
            provide_context_with_shutdown("Hamburger".to_string(), |value| async move {
                println!("Shutting down value {}", value);
            })
            .await;
        });
        let comsumer = context.clone().run(async {
            let order = acquire::<String>().await;
            println!("Got value in context {:?}", order);
        });
        join!(supplier, comsumer);
        println!(
            "After context shutdown, value is {:?}",
            require::<String>().await
        );
        context.shutdown().await;
        shutdown().await;
    }
    #[tokio::test]
    async fn test_listener() {
        use tokio::time::Instant;
        let start = Instant::now();
        let mut js = JoinSet::new();

        js.spawn(async {
            let bc = 1usize;
            println!("Providing value {}", bc);
            provide(bc).await;
            sleep(Duration::from_secs(1)).await;
            // hot reload value
            let bc = 2usize;
            println!("Providing value {}", bc);
            provide(bc).await;
            sleep(Duration::from_secs(2)).await;
            drop_value::<usize>().await;
        });
        for index in 0..3usize {
            js.spawn(async move {
                while let Ok(value) = acquire::<usize>().await {
                    // println!("#{} Got value {}", index, value);
                    sleep(Duration::new(3, 0)).await;
                    println!("Consumer #{} got value {}", index, value);
                }
                println!("#{} Exiting", index);
            });
        }
        js.join_all().await;
        shutdown().await;
        let end = Instant::now();

        println!("Total time taken: {:?}", end - start);
    }
}