Files
cli/vendor/tracing-subscriber/tests/on_register_dispatch_is_called.rs

28 lines
835 B
Rust

#![cfg(all(feature = "registry", feature = "std"))]
//! Test that `on_register_dispatch` is called on both layers when a layered
//! subscriber is set as the default.
use tracing_mock::layer;
use tracing_subscriber::layer::SubscriberExt;
#[test]
fn on_register_dispatch_is_called() {
let (inner_layer, inner_handle) = layer::named("inner")
.on_register_dispatch()
.run_with_handle();
let (outer_layer, outer_handle) = layer::named("outer")
.on_register_dispatch()
.run_with_handle();
let subscriber = tracing_subscriber::registry()
.with(inner_layer)
.with(outer_layer);
tracing::subscriber::with_default(subscriber, || {});
// Verify that on_register_dispatch was called on both layers
inner_handle.assert_finished();
outer_handle.assert_finished();
}