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#![cfg(feature = "registry")]
mod support;
use self::support::*;
use tracing::{Level, Metadata, Subscriber};
use tracing_subscriber::{filter::DynFilterFn, layer::Context, prelude::*};
#[test]
fn layer_filters() {
let (unfiltered, unfiltered_handle) = unfiltered("unfiltered");
let (filtered, filtered_handle) = filtered("filtered");
let subscriber = tracing_subscriber::registry()
.with(unfiltered)
.with(filtered.with_filter(filter()));
assert_eq!(subscriber.max_level_hint(), None);
let _subscriber = subscriber.set_default();
events();
unfiltered_handle.assert_finished();
filtered_handle.assert_finished();
}
#[test]
fn layered_layer_filters() {
let (unfiltered1, unfiltered1_handle) = unfiltered("unfiltered_1");
let (unfiltered2, unfiltered2_handle) = unfiltered("unfiltered_2");
let unfiltered = unfiltered1.and_then(unfiltered2);
let (filtered1, filtered1_handle) = filtered("filtered_1");
let (filtered2, filtered2_handle) = filtered("filtered_2");
let filtered = filtered1
.with_filter(filter())
.and_then(filtered2.with_filter(filter()));
let subscriber = tracing_subscriber::registry()
.with(unfiltered)
.with(filtered);
assert_eq!(subscriber.max_level_hint(), None);
let _subscriber = subscriber.set_default();
events();
unfiltered1_handle.assert_finished();
unfiltered2_handle.assert_finished();
filtered1_handle.assert_finished();
filtered2_handle.assert_finished();
}
#[test]
fn out_of_order() {
let (unfiltered1, unfiltered1_handle) = unfiltered("unfiltered_1");
let (unfiltered2, unfiltered2_handle) = unfiltered("unfiltered_2");
let (filtered1, filtered1_handle) = filtered("filtered_1");
let (filtered2, filtered2_handle) = filtered("filtered_2");
let subscriber = tracing_subscriber::registry()
.with(unfiltered1)
.with(filtered1.with_filter(filter()))
.with(unfiltered2)
.with(filtered2.with_filter(filter()));
assert_eq!(subscriber.max_level_hint(), None);
let _subscriber = subscriber.set_default();
events();
unfiltered1_handle.assert_finished();
unfiltered2_handle.assert_finished();
filtered1_handle.assert_finished();
filtered2_handle.assert_finished();
}
#[test]
fn mixed_layered() {
let (unfiltered1, unfiltered1_handle) = unfiltered("unfiltered_1");
let (unfiltered2, unfiltered2_handle) = unfiltered("unfiltered_2");
let (filtered1, filtered1_handle) = filtered("filtered_1");
let (filtered2, filtered2_handle) = filtered("filtered_2");
let layered1 = filtered1.with_filter(filter()).and_then(unfiltered1);
let layered2 = unfiltered2.and_then(filtered2.with_filter(filter()));
let subscriber = tracing_subscriber::registry().with(layered1).with(layered2);
assert_eq!(subscriber.max_level_hint(), None);
let _subscriber = subscriber.set_default();
events();
unfiltered1_handle.assert_finished();
unfiltered2_handle.assert_finished();
filtered1_handle.assert_finished();
filtered2_handle.assert_finished();
}
fn events() {
tracing::trace!("hello trace");
tracing::debug!("hello debug");
tracing::info!("hello info");
tracing::warn!("hello warn");
tracing::error!("hello error");
}
fn filter<S>() -> DynFilterFn<S> {
DynFilterFn::new(
(|metadata: &Metadata<'_>, _: &tracing_subscriber::layer::Context<'_, S>| {
metadata.level() <= &Level::INFO
}) as fn(&Metadata<'_>, &Context<'_, S>) -> bool,
)
.with_max_level_hint(Level::INFO)
}
fn unfiltered(name: &str) -> (ExpectLayer, subscriber::MockHandle) {
layer::named(name)
.event(event::mock().at_level(Level::TRACE))
.event(event::mock().at_level(Level::DEBUG))
.event(event::mock().at_level(Level::INFO))
.event(event::mock().at_level(Level::WARN))
.event(event::mock().at_level(Level::ERROR))
.done()
.run_with_handle()
}
fn filtered(name: &str) -> (ExpectLayer, subscriber::MockHandle) {
layer::named(name)
.event(event::mock().at_level(Level::INFO))
.event(event::mock().at_level(Level::WARN))
.event(event::mock().at_level(Level::ERROR))
.done()
.run_with_handle()
}
|
