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#![cfg(feature = "std")]
use tracing::Level;
use tracing_mock::*;
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
#[test]
fn multiple_max_level_hints() {
// This test ensures that when multiple subscribers are active, their max
// level hints are handled correctly. The global max level should be the
// maximum of the level filters returned by the two `Subscriber`'s
// `max_level_hint` method.
//
// In this test, we create a subscriber whose max level is `INFO`, and
// another whose max level is `DEBUG`. We then add an assertion to both of
// those subscribers' `enabled` method that no metadata for `TRACE` spans or
// events are filtered, since they are disabled by the global max filter.
fn do_events() {
tracing::info!("doing a thing that you might care about");
tracing::debug!("charging turboencabulator with interocitor");
tracing::warn!("extremely serious warning, pay attention");
tracing::trace!("interocitor charge level is 10%");
tracing::error!("everything is on fire");
}
let (subscriber1, handle1) = subscriber::mock()
.named("subscriber1")
.with_max_level_hint(Level::INFO)
.with_filter(|meta| {
let level = dbg!(meta.level());
assert!(
level <= &Level::DEBUG,
"a TRACE event was dynamically filtered by subscriber1"
);
level <= &Level::INFO
})
.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();
let (subscriber2, handle2) = subscriber::mock()
.named("subscriber2")
.with_max_level_hint(Level::DEBUG)
.with_filter(|meta| {
let level = dbg!(meta.level());
assert!(
level <= &Level::DEBUG,
"a TRACE event was dynamically filtered by subscriber2"
);
level <= &Level::DEBUG
})
.event(event::mock().at_level(Level::INFO))
.event(event::mock().at_level(Level::DEBUG))
.event(event::mock().at_level(Level::WARN))
.event(event::mock().at_level(Level::ERROR))
.done()
.run_with_handle();
let dispatch1 = tracing::Dispatch::new(subscriber1);
tracing::dispatcher::with_default(&dispatch1, do_events);
handle1.assert_finished();
let dispatch2 = tracing::Dispatch::new(subscriber2);
tracing::dispatcher::with_default(&dispatch2, do_events);
handle2.assert_finished();
}
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