| #![cfg(feature = "std")] |
| use tracing_mock::*; |
| |
| #[test] |
| fn scoped_clobbers_global() { |
| // Reproduces https://github.com/tokio-rs/tracing/issues/2050 |
| |
| let (scoped, scoped_handle) = subscriber::mock() |
| .event(event::msg("before global")) |
| .event(event::msg("before drop")) |
| .only() |
| .run_with_handle(); |
| |
| let (global, global_handle) = subscriber::mock() |
| .event(event::msg("after drop")) |
| .only() |
| .run_with_handle(); |
| |
| // Set a scoped default subscriber, returning a guard. |
| let guard = tracing::subscriber::set_default(scoped); |
| tracing::info!("before global"); |
| |
| // Now, set the global default. |
| tracing::subscriber::set_global_default(global) |
| .expect("global default should not already be set"); |
| // This event should still be collected by the scoped default. |
| tracing::info!("before drop"); |
| |
| // Drop the guard. Now, the global default subscriber should be used. |
| drop(guard); |
| tracing::info!("after drop"); |
| |
| scoped_handle.assert_finished(); |
| global_handle.assert_finished(); |
| } |