timeout-tracing 0.1.2

Returns stack and span trace when the future hits a timeout
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

use std::time::Duration;

use serial_test::serial;
use tokio::{join, time::sleep};
use tracing::{info, instrument};
use tracing_error::ErrorLayer;
use tracing_subscriber::layer::SubscriberExt;

use crate::{TimeoutElapsed, tests::insta_trace_filters, timeout, trace::CaptureSpanTrace};

#[tokio::test]
#[serial]
async fn format_span_trace() {
    let subscriber = tracing_subscriber::registry().with(ErrorLayer::default());

    let _guard = tracing::subscriber::set_default(subscriber);
    let result = timeout(Duration::from_millis(100), CaptureSpanTrace, do_sleep()).await;

    assert!(matches!(result, Err(TimeoutElapsed { .. })));
    let mut err = result.err().unwrap();
    err.active_traces
        .sort_by_cached_key(|trace| trace.to_string());
    insta::with_settings!({
        filters => insta_trace_filters()
    }, {
        insta::assert_debug_snapshot!(err);
        insta::assert_snapshot!(err);
    });
}

#[instrument]
async fn do_sleep() {
    info!("sleep before");
    join!(do_sleep_a(), do_sleep_b());
}

#[instrument]
async fn do_sleep_a() {
    info!("sleep a");
    sleep(Duration::from_secs(1)).await;
}

#[instrument]
async fn do_sleep_b() {
    info!("sleep b");
    sleep(Duration::from_secs(1)).await;
}