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use tracing::Level;
use tracing_mock::*;
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
#[test]
fn max_level_hints() {
// This test asserts that when a subscriber provides us with the global
// maximum level that it will enable (by implementing the
// `Subscriber::max_level_hint` method), we will never call
// `Subscriber::enabled` for events above that maximum level.
//
// In this case, we test that by making the `enabled` method assert that no
// `Metadata` for spans or events at the `TRACE` or `DEBUG` levels.
let (subscriber, handle) = subscriber::mock()
.with_max_level_hint(Level::INFO)
.with_filter(|meta| {
assert!(
dbg!(meta).level() <= &Level::INFO,
"a TRACE or DEBUG event was dynamically filtered: "
);
true
})
.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();
tracing::subscriber::set_global_default(subscriber).unwrap();
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");
handle.assert_finished();
}
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