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use bevy_log::tracing_subscriber::{
self, EnvFilter, Layer,
layer::{Context, SubscriberExt},
util::SubscriberInitExt,
};
use tracing::{Event, Level, Subscriber};
pub fn init_tracing() {
init_tracing_with_level(Level::WARN);
}
pub fn init_tracing_with_level(max_level: Level) {
tracing_subscriber::registry()
.with(
tracing_subscriber::fmt::layer().with_filter(
EnvFilter::builder()
.with_default_directive(max_level.into())
.from_env_lossy(),
),
)
.with(TestTracingLayer {
panic_on_level: max_level,
})
.init();
}
struct TestTracingLayer {
panic_on_level: Level,
}
impl<S: Subscriber> Layer<S> for TestTracingLayer {
fn on_event(&self, event: &Event<'_>, _ctx: Context<'_, S>) {
let level = *event.metadata().level();
if level <= self.panic_on_level {
panic!("logged on level {level}");
}
}
}
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