Function provided

libs/error-stack/tests/test_span_trace.rs:56–91

()

#[test]
fn provided() {
    #[tracing::instrument]
    fn func_b() -> ErrorA {
        ErrorA::new(0)
    }

    #[tracing::instrument]
    fn func_a() -> Result<(), Report<ErrorA>> {
        Err(Report::new(func_b()))
    }

    install_tracing_subscriber();

    let report = capture_error(func_a);
    #[cfg(nightly)]
    let span_trace = report
        .request_ref::<SpanTrace>()
        .next()
        .expect("No span trace captured");
    #[cfg(not(nightly))]
    let span_trace = report
        .downcast_ref::<SpanTrace>()
        .expect("No span trace captured");

    let mut num_spans = 0;
    span_trace.with_spans(|_, _| {
        num_spans += 1;
        true
    });

    #[cfg(not(nightly))]
    assert_eq!(num_spans, 1);

    #[cfg(nightly)]
    assert_eq!(num_spans, 2);
}