Function printable_attachment

libs/error-stack/tests/test_frame.rs:67–92

()

#[test]
fn printable_attachment() {
    let mut report = create_report()
        .attach(PrintableA(10))
        .attach(PrintableB(20));

    let flow = report.frames_mut(|frame| {
        let source = frame
            .sources_mut()
            .first_mut()
            .expect("No source frame found");
        let attachment = source
            .downcast_mut::<PrintableA>()
            .expect("Wrong source frame");
        attachment.0 += 10;
        ControlFlow::Break(())
    });
    assert!(flow.is_break(), "No frame found");

    let frame = report.frames().next().expect("No frame found");
    assert_eq!(frame.sources().len(), 1);
    let source = frame.sources().first().expect("No source frame found");
    let attachment = source
        .downcast_ref::<PrintableA>()
        .expect("Wrong source frame");
    assert_eq!(attachment.0, 20);
}

#[test]
fn context() {