diff options
Diffstat (limited to 'vendor/tracing-subscriber/tests/layer_filters')
9 files changed, 859 insertions, 0 deletions
diff --git a/vendor/tracing-subscriber/tests/layer_filters/boxed.rs b/vendor/tracing-subscriber/tests/layer_filters/boxed.rs new file mode 100644 index 000000000..0fe37188e --- /dev/null +++ b/vendor/tracing-subscriber/tests/layer_filters/boxed.rs @@ -0,0 +1,42 @@ +use super::*; +use tracing_subscriber::{filter, prelude::*, Layer}; + +fn layer() -> (ExpectLayer, subscriber::MockHandle) { + layer::mock().done().run_with_handle() +} + +fn filter<S>() -> filter::DynFilterFn<S> { + // Use dynamic filter fn to disable interest caching and max-level hints, + // allowing us to put all of these tests in the same file. + filter::dynamic_filter_fn(|_, _| false) +} + +/// reproduces https://github.com/tokio-rs/tracing/issues/1563#issuecomment-921363629 +#[test] +fn box_works() { + let (layer, handle) = layer(); + let layer = Box::new(layer.with_filter(filter())); + + let _guard = tracing_subscriber::registry().with(layer).set_default(); + + for i in 0..2 { + tracing::info!(i); + } + + handle.assert_finished(); +} + +/// the same as `box_works` but with a type-erased `Box`. +#[test] +fn dyn_box_works() { + let (layer, handle) = layer(); + let layer: Box<dyn Layer<_> + Send + Sync + 'static> = Box::new(layer.with_filter(filter())); + + let _guard = tracing_subscriber::registry().with(layer).set_default(); + + for i in 0..2 { + tracing::info!(i); + } + + handle.assert_finished(); +} diff --git a/vendor/tracing-subscriber/tests/layer_filters/combinators.rs b/vendor/tracing-subscriber/tests/layer_filters/combinators.rs new file mode 100644 index 000000000..6052a2d00 --- /dev/null +++ b/vendor/tracing-subscriber/tests/layer_filters/combinators.rs @@ -0,0 +1,42 @@ +use super::*; +use tracing_subscriber::{ + filter::{filter_fn, FilterExt, LevelFilter}, + prelude::*, +}; + +#[test] +fn and() { + let (layer, handle) = layer::mock() + .event( + event::msg("a very interesting event") + .at_level(tracing::Level::INFO) + .with_target("interesting_target"), + ) + .done() + .run_with_handle(); + + // Enables spans and events with targets starting with `interesting_target`: + let target_filter = filter::filter_fn(|meta| meta.target().starts_with("interesting_target")); + + // Enables spans and events with levels `INFO` and below: + let level_filter = LevelFilter::INFO; + + // Combine the two filters together, returning a filter that only enables + // spans and events that *both* filters will enable: + let filter = target_filter.and(level_filter); + + let _subscriber = tracing_subscriber::registry() + .with(layer.with_filter(filter)) + .set_default(); + + // This event will *not* be enabled: + tracing::info!("an event with an uninteresting target"); + + // This event *will* be enabled: + tracing::info!(target: "interesting_target", "a very interesting event"); + + // This event will *not* be enabled: + tracing::debug!(target: "interesting_target", "interesting debug event..."); + + handle.assert_finished(); +} diff --git a/vendor/tracing-subscriber/tests/layer_filters/downcast_raw.rs b/vendor/tracing-subscriber/tests/layer_filters/downcast_raw.rs new file mode 100644 index 000000000..b5f7e35ce --- /dev/null +++ b/vendor/tracing-subscriber/tests/layer_filters/downcast_raw.rs @@ -0,0 +1,68 @@ +use tracing::Subscriber; +use tracing_subscriber::filter::Targets; +use tracing_subscriber::prelude::*; +use tracing_subscriber::Layer; + +#[test] +fn downcast_ref_to_inner_layer_and_filter() { + // Test that a filtered layer gives downcast_ref access to + // both the layer and the filter. + + struct WrappedLayer; + + impl<S> Layer<S> for WrappedLayer + where + S: Subscriber, + S: for<'lookup> tracing_subscriber::registry::LookupSpan<'lookup>, + { + } + + let layer = WrappedLayer; + let filter = Targets::new().with_default(tracing::Level::INFO); + let registry = tracing_subscriber::registry().with(layer.with_filter(filter)); + let dispatch = tracing::dispatcher::Dispatch::new(registry); + + // The filter is available + assert!(dispatch.downcast_ref::<Targets>().is_some()); + // The wrapped layer is available + assert!(dispatch.downcast_ref::<WrappedLayer>().is_some()); +} + +#[test] +fn forward_downcast_raw_to_layer() { + // Test that a filtered layer still gives its wrapped layer a chance to + // return a custom struct from downcast_raw. + // https://github.com/tokio-rs/tracing/issues/1618 + + struct WrappedLayer { + with_context: WithContext, + } + + struct WithContext; + + impl<S> Layer<S> for WrappedLayer + where + S: Subscriber, + S: for<'lookup> tracing_subscriber::registry::LookupSpan<'lookup>, + { + unsafe fn downcast_raw(&self, id: std::any::TypeId) -> Option<*const ()> { + match id { + id if id == std::any::TypeId::of::<Self>() => Some(self as *const _ as *const ()), + id if id == std::any::TypeId::of::<WithContext>() => { + Some(&self.with_context as *const _ as *const ()) + } + _ => None, + } + } + } + + let layer = WrappedLayer { + with_context: WithContext, + }; + let filter = Targets::new().with_default(tracing::Level::INFO); + let registry = tracing_subscriber::registry().with(layer.with_filter(filter)); + let dispatch = tracing::dispatcher::Dispatch::new(registry); + + // Types from a custom implementation of `downcast_raw` are available + assert!(dispatch.downcast_ref::<WithContext>().is_some()); +} diff --git a/vendor/tracing-subscriber/tests/layer_filters/filter_scopes.rs b/vendor/tracing-subscriber/tests/layer_filters/filter_scopes.rs new file mode 100644 index 000000000..7fd7d843b --- /dev/null +++ b/vendor/tracing-subscriber/tests/layer_filters/filter_scopes.rs @@ -0,0 +1,131 @@ +use super::*; + +#[test] +fn filters_span_scopes() { + let (debug_layer, debug_handle) = layer::named("debug") + .enter(span::mock().at_level(Level::DEBUG)) + .enter(span::mock().at_level(Level::INFO)) + .enter(span::mock().at_level(Level::WARN)) + .enter(span::mock().at_level(Level::ERROR)) + .event(event::msg("hello world").in_scope(vec![ + span::mock().at_level(Level::ERROR), + span::mock().at_level(Level::WARN), + span::mock().at_level(Level::INFO), + span::mock().at_level(Level::DEBUG), + ])) + .exit(span::mock().at_level(Level::ERROR)) + .exit(span::mock().at_level(Level::WARN)) + .exit(span::mock().at_level(Level::INFO)) + .exit(span::mock().at_level(Level::DEBUG)) + .done() + .run_with_handle(); + let (info_layer, info_handle) = layer::named("info") + .enter(span::mock().at_level(Level::INFO)) + .enter(span::mock().at_level(Level::WARN)) + .enter(span::mock().at_level(Level::ERROR)) + .event(event::msg("hello world").in_scope(vec![ + span::mock().at_level(Level::ERROR), + span::mock().at_level(Level::WARN), + span::mock().at_level(Level::INFO), + ])) + .exit(span::mock().at_level(Level::ERROR)) + .exit(span::mock().at_level(Level::WARN)) + .exit(span::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + let (warn_layer, warn_handle) = layer::named("warn") + .enter(span::mock().at_level(Level::WARN)) + .enter(span::mock().at_level(Level::ERROR)) + .event(event::msg("hello world").in_scope(vec![ + span::mock().at_level(Level::ERROR), + span::mock().at_level(Level::WARN), + ])) + .exit(span::mock().at_level(Level::ERROR)) + .exit(span::mock().at_level(Level::WARN)) + .done() + .run_with_handle(); + + let _subscriber = tracing_subscriber::registry() + .with(debug_layer.with_filter(LevelFilter::DEBUG)) + .with(info_layer.with_filter(LevelFilter::INFO)) + .with(warn_layer.with_filter(LevelFilter::WARN)) + .set_default(); + + { + let _trace = tracing::trace_span!("my_span").entered(); + let _debug = tracing::debug_span!("my_span").entered(); + let _info = tracing::info_span!("my_span").entered(); + let _warn = tracing::warn_span!("my_span").entered(); + let _error = tracing::error_span!("my_span").entered(); + tracing::error!("hello world"); + } + + debug_handle.assert_finished(); + info_handle.assert_finished(); + warn_handle.assert_finished(); +} + +#[test] +fn filters_interleaved_span_scopes() { + fn target_layer(target: &'static str) -> (ExpectLayer, subscriber::MockHandle) { + layer::named(format!("target_{}", target)) + .enter(span::mock().with_target(target)) + .enter(span::mock().with_target(target)) + .event(event::msg("hello world").in_scope(vec![ + span::mock().with_target(target), + span::mock().with_target(target), + ])) + .event( + event::msg("hello to my target") + .in_scope(vec![ + span::mock().with_target(target), + span::mock().with_target(target), + ]) + .with_target(target), + ) + .exit(span::mock().with_target(target)) + .exit(span::mock().with_target(target)) + .done() + .run_with_handle() + } + + let (a_layer, a_handle) = target_layer("a"); + let (b_layer, b_handle) = target_layer("b"); + let (all_layer, all_handle) = layer::named("all") + .enter(span::mock().with_target("b")) + .enter(span::mock().with_target("a")) + .event(event::msg("hello world").in_scope(vec![ + span::mock().with_target("a"), + span::mock().with_target("b"), + ])) + .exit(span::mock().with_target("a")) + .exit(span::mock().with_target("b")) + .done() + .run_with_handle(); + + let _subscriber = tracing_subscriber::registry() + .with(all_layer.with_filter(LevelFilter::INFO)) + .with(a_layer.with_filter(filter::filter_fn(|meta| { + let target = meta.target(); + target == "a" || target == module_path!() + }))) + .with(b_layer.with_filter(filter::filter_fn(|meta| { + let target = meta.target(); + target == "b" || target == module_path!() + }))) + .set_default(); + + { + let _a1 = tracing::trace_span!(target: "a", "a/trace").entered(); + let _b1 = tracing::info_span!(target: "b", "b/info").entered(); + let _a2 = tracing::info_span!(target: "a", "a/info").entered(); + let _b2 = tracing::trace_span!(target: "b", "b/trace").entered(); + tracing::info!("hello world"); + tracing::debug!(target: "a", "hello to my target"); + tracing::debug!(target: "b", "hello to my target"); + } + + a_handle.assert_finished(); + b_handle.assert_finished(); + all_handle.assert_finished(); +} diff --git a/vendor/tracing-subscriber/tests/layer_filters/main.rs b/vendor/tracing-subscriber/tests/layer_filters/main.rs new file mode 100644 index 000000000..10f06c24c --- /dev/null +++ b/vendor/tracing-subscriber/tests/layer_filters/main.rs @@ -0,0 +1,190 @@ +#![cfg(feature = "registry")] +#[path = "../support.rs"] +mod support; +use self::support::*; +mod boxed; +mod downcast_raw; +mod filter_scopes; +mod per_event; +mod targets; +mod trees; +mod vec; + +use tracing::{level_filters::LevelFilter, Level}; +use tracing_subscriber::{filter, prelude::*, Layer}; + +#[test] +fn basic_layer_filters() { + let (trace_layer, trace_handle) = layer::named("trace") + .event(event::mock().at_level(Level::TRACE)) + .event(event::mock().at_level(Level::DEBUG)) + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + + let (debug_layer, debug_handle) = layer::named("debug") + .event(event::mock().at_level(Level::DEBUG)) + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + + let (info_layer, info_handle) = layer::named("info") + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + + let _subscriber = tracing_subscriber::registry() + .with(trace_layer.with_filter(LevelFilter::TRACE)) + .with(debug_layer.with_filter(LevelFilter::DEBUG)) + .with(info_layer.with_filter(LevelFilter::INFO)) + .set_default(); + + tracing::trace!("hello trace"); + tracing::debug!("hello debug"); + tracing::info!("hello info"); + + trace_handle.assert_finished(); + debug_handle.assert_finished(); + info_handle.assert_finished(); +} + +#[test] +fn basic_layer_filters_spans() { + let (trace_layer, trace_handle) = layer::named("trace") + .new_span(span::mock().at_level(Level::TRACE)) + .new_span(span::mock().at_level(Level::DEBUG)) + .new_span(span::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + + let (debug_layer, debug_handle) = layer::named("debug") + .new_span(span::mock().at_level(Level::DEBUG)) + .new_span(span::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + + let (info_layer, info_handle) = layer::named("info") + .new_span(span::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + + let _subscriber = tracing_subscriber::registry() + .with(trace_layer.with_filter(LevelFilter::TRACE)) + .with(debug_layer.with_filter(LevelFilter::DEBUG)) + .with(info_layer.with_filter(LevelFilter::INFO)) + .set_default(); + + tracing::trace_span!("hello trace"); + tracing::debug_span!("hello debug"); + tracing::info_span!("hello info"); + + trace_handle.assert_finished(); + debug_handle.assert_finished(); + info_handle.assert_finished(); +} + +#[test] +fn global_filters_layers_still_work() { + let (expect, handle) = layer::mock() + .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 _subscriber = tracing_subscriber::registry() + .with(expect) + .with(LevelFilter::INFO) + .set_default(); + + tracing::trace!("hello trace"); + tracing::debug!("hello debug"); + tracing::info!("hello info"); + tracing::warn!("hello warn"); + tracing::error!("hello error"); + + handle.assert_finished(); +} + +#[test] +fn global_filter_interests_are_cached() { + let (expect, handle) = layer::mock() + .event(event::mock().at_level(Level::WARN)) + .event(event::mock().at_level(Level::ERROR)) + .done() + .run_with_handle(); + + let _subscriber = tracing_subscriber::registry() + .with(expect.with_filter(filter::filter_fn(|meta| { + assert!( + meta.level() <= &Level::INFO, + "enabled should not be called for callsites disabled by the global filter" + ); + meta.level() <= &Level::WARN + }))) + .with(LevelFilter::INFO) + .set_default(); + + tracing::trace!("hello trace"); + tracing::debug!("hello debug"); + tracing::info!("hello info"); + tracing::warn!("hello warn"); + tracing::error!("hello error"); + + handle.assert_finished(); +} + +#[test] +fn global_filters_affect_layer_filters() { + let (expect, handle) = layer::named("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(); + + let _subscriber = tracing_subscriber::registry() + .with(expect.with_filter(LevelFilter::DEBUG)) + .with(LevelFilter::INFO) + .set_default(); + + tracing::trace!("hello trace"); + tracing::debug!("hello debug"); + tracing::info!("hello info"); + tracing::warn!("hello warn"); + tracing::error!("hello error"); + + handle.assert_finished(); +} + +#[test] +fn filter_fn() { + let (all, all_handle) = layer::named("all_targets") + .event(event::msg("hello foo")) + .event(event::msg("hello bar")) + .done() + .run_with_handle(); + + let (foo, foo_handle) = layer::named("foo_target") + .event(event::msg("hello foo")) + .done() + .run_with_handle(); + + let (bar, bar_handle) = layer::named("bar_target") + .event(event::msg("hello bar")) + .done() + .run_with_handle(); + + let _subscriber = tracing_subscriber::registry() + .with(all) + .with(foo.with_filter(filter::filter_fn(|meta| meta.target().starts_with("foo")))) + .with(bar.with_filter(filter::filter_fn(|meta| meta.target().starts_with("bar")))) + .set_default(); + + tracing::trace!(target: "foo", "hello foo"); + tracing::trace!(target: "bar", "hello bar"); + + foo_handle.assert_finished(); + bar_handle.assert_finished(); + all_handle.assert_finished(); +} diff --git a/vendor/tracing-subscriber/tests/layer_filters/per_event.rs b/vendor/tracing-subscriber/tests/layer_filters/per_event.rs new file mode 100644 index 000000000..9c785f9a2 --- /dev/null +++ b/vendor/tracing-subscriber/tests/layer_filters/per_event.rs @@ -0,0 +1,61 @@ +use crate::support::*; +use tracing::Level; +use tracing_subscriber::{field::Visit, layer::Filter, prelude::*}; + +struct FilterEvent; + +impl<S> Filter<S> for FilterEvent { + fn enabled( + &self, + _meta: &tracing::Metadata<'_>, + _cx: &tracing_subscriber::layer::Context<'_, S>, + ) -> bool { + true + } + + fn event_enabled( + &self, + event: &tracing::Event<'_>, + _cx: &tracing_subscriber::layer::Context<'_, S>, + ) -> bool { + struct ShouldEnable(bool); + impl Visit for ShouldEnable { + fn record_bool(&mut self, field: &tracing_core::Field, value: bool) { + if field.name() == "enable" { + self.0 = value; + } + } + + fn record_debug( + &mut self, + _field: &tracing_core::Field, + _value: &dyn core::fmt::Debug, + ) { + } + } + let mut should_enable = ShouldEnable(false); + event.record(&mut should_enable); + should_enable.0 + } +} + +#[test] +fn per_subscriber_event_field_filtering() { + let (expect, handle) = layer::mock() + .event(event::mock().at_level(Level::TRACE)) + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + + let _subscriber = tracing_subscriber::registry() + .with(expect.with_filter(FilterEvent)) + .set_default(); + + tracing::trace!(enable = true, "hello trace"); + tracing::debug!("hello debug"); + tracing::info!(enable = true, "hello info"); + tracing::warn!(enable = false, "hello warn"); + tracing::error!("hello error"); + + handle.assert_finished(); +} diff --git a/vendor/tracing-subscriber/tests/layer_filters/targets.rs b/vendor/tracing-subscriber/tests/layer_filters/targets.rs new file mode 100644 index 000000000..c8133044b --- /dev/null +++ b/vendor/tracing-subscriber/tests/layer_filters/targets.rs @@ -0,0 +1,59 @@ +use super::*; +use tracing_subscriber::{ + filter::{filter_fn, Targets}, + prelude::*, +}; + +#[test] +#[cfg_attr(not(feature = "tracing-log"), ignore)] +fn log_events() { + // Reproduces https://github.com/tokio-rs/tracing/issues/1563 + mod inner { + pub(super) const MODULE_PATH: &str = module_path!(); + + #[tracing::instrument] + pub(super) fn logs() { + log::debug!("inner"); + } + } + + let filter = Targets::new() + .with_default(LevelFilter::DEBUG) + .with_target(inner::MODULE_PATH, LevelFilter::WARN); + + let layer = + tracing_subscriber::layer::Identity::new().with_filter(filter_fn(move |_meta| true)); + + let _guard = tracing_subscriber::registry() + .with(filter) + .with(layer) + .set_default(); + + inner::logs(); +} + +#[test] +fn inner_layer_short_circuits() { + // This test ensures that when a global filter short-circuits `Interest` + // evaluation, we aren't left with a "dirty" per-layer filter state. + + let (layer, handle) = layer::mock() + .event(event::msg("hello world")) + .done() + .run_with_handle(); + + let filter = Targets::new().with_target("magic_target", LevelFilter::DEBUG); + + let _guard = tracing_subscriber::registry() + // Note: we don't just use a `LevelFilter` for the global filter here, + // because it will just return a max level filter, and the chain of + // `register_callsite` calls that would trigger the bug never happens... + .with(filter::filter_fn(|meta| meta.level() <= &Level::INFO)) + .with(layer.with_filter(filter)) + .set_default(); + + tracing::debug!("skip me please!"); + tracing::info!(target: "magic_target", "hello world"); + + handle.assert_finished(); +} diff --git a/vendor/tracing-subscriber/tests/layer_filters/trees.rs b/vendor/tracing-subscriber/tests/layer_filters/trees.rs new file mode 100644 index 000000000..18cdd8ccc --- /dev/null +++ b/vendor/tracing-subscriber/tests/layer_filters/trees.rs @@ -0,0 +1,146 @@ +use super::*; + +#[test] +fn basic_trees() { + let (with_target, with_target_handle) = layer::named("info_with_target") + .event(event::mock().at_level(Level::INFO).with_target("my_target")) + .done() + .run_with_handle(); + + let (info, info_handle) = layer::named("info") + .event( + event::mock() + .at_level(Level::INFO) + .with_target(module_path!()), + ) + .event(event::mock().at_level(Level::INFO).with_target("my_target")) + .done() + .run_with_handle(); + + let (all, all_handle) = layer::named("all") + .event( + event::mock() + .at_level(Level::INFO) + .with_target(module_path!()), + ) + .event(event::mock().at_level(Level::TRACE)) + .event(event::mock().at_level(Level::INFO).with_target("my_target")) + .event( + event::mock() + .at_level(Level::TRACE) + .with_target("my_target"), + ) + .done() + .run_with_handle(); + + let info_tree = info + .and_then( + with_target.with_filter(filter::filter_fn(|meta| dbg!(meta.target()) == "my_target")), + ) + .with_filter(LevelFilter::INFO); + + let subscriber = tracing_subscriber::registry().with(info_tree).with(all); + let _guard = dbg!(subscriber).set_default(); + + tracing::info!("hello world"); + tracing::trace!("hello trace"); + tracing::info!(target: "my_target", "hi to my target"); + tracing::trace!(target: "my_target", "hi to my target at trace"); + + all_handle.assert_finished(); + info_handle.assert_finished(); + with_target_handle.assert_finished(); +} + +#[test] +fn filter_span_scopes() { + fn target_layer(target: &'static str) -> (ExpectLayer, subscriber::MockHandle) { + layer::named(format!("target_{}", target)) + .enter(span::mock().with_target(target).at_level(Level::INFO)) + .event( + event::msg("hello world") + .in_scope(vec![span::mock().with_target(target).at_level(Level::INFO)]), + ) + .exit(span::mock().with_target(target).at_level(Level::INFO)) + .done() + .run_with_handle() + } + + let (a_layer, a_handle) = target_layer("a"); + let (b_layer, b_handle) = target_layer("b"); + let (info_layer, info_handle) = layer::named("info") + .enter(span::mock().with_target("b").at_level(Level::INFO)) + .enter(span::mock().with_target("a").at_level(Level::INFO)) + .event(event::msg("hello world").in_scope(vec![ + span::mock().with_target("a").at_level(Level::INFO), + span::mock().with_target("b").at_level(Level::INFO), + ])) + .exit(span::mock().with_target("a").at_level(Level::INFO)) + .exit(span::mock().with_target("b").at_level(Level::INFO)) + .done() + .run_with_handle(); + + let full_scope = vec![ + span::mock().with_target("b").at_level(Level::TRACE), + span::mock().with_target("a").at_level(Level::INFO), + span::mock().with_target("b").at_level(Level::INFO), + span::mock().with_target("a").at_level(Level::TRACE), + ]; + let (all_layer, all_handle) = layer::named("all") + .enter(span::mock().with_target("a").at_level(Level::TRACE)) + .enter(span::mock().with_target("b").at_level(Level::INFO)) + .enter(span::mock().with_target("a").at_level(Level::INFO)) + .enter(span::mock().with_target("b").at_level(Level::TRACE)) + .event(event::msg("hello world").in_scope(full_scope.clone())) + .event( + event::msg("hello to my target") + .with_target("a") + .in_scope(full_scope.clone()), + ) + .event( + event::msg("hello to my target") + .with_target("b") + .in_scope(full_scope), + ) + .exit(span::mock().with_target("b").at_level(Level::TRACE)) + .exit(span::mock().with_target("a").at_level(Level::INFO)) + .exit(span::mock().with_target("b").at_level(Level::INFO)) + .exit(span::mock().with_target("a").at_level(Level::TRACE)) + .done() + .run_with_handle(); + + let a_layer = a_layer.with_filter(filter::filter_fn(|meta| { + let target = meta.target(); + target == "a" || target == module_path!() + })); + + let b_layer = b_layer.with_filter(filter::filter_fn(|meta| { + let target = meta.target(); + target == "b" || target == module_path!() + })); + + let info_tree = info_layer + .and_then(a_layer) + .and_then(b_layer) + .with_filter(LevelFilter::INFO); + + let subscriber = tracing_subscriber::registry() + .with(info_tree) + .with(all_layer); + let _guard = dbg!(subscriber).set_default(); + + { + let _a1 = tracing::trace_span!(target: "a", "a/trace").entered(); + let _b1 = tracing::info_span!(target: "b", "b/info").entered(); + let _a2 = tracing::info_span!(target: "a", "a/info").entered(); + let _b2 = tracing::trace_span!(target: "b", "b/trace").entered(); + tracing::info!("hello world"); + tracing::debug!(target: "a", "hello to my target"); + tracing::debug!(target: "b", "hello to my target"); + } + + all_handle.assert_finished(); + info_handle.assert_finished(); + a_handle.assert_finished(); + b_handle.assert_finished(); +} diff --git a/vendor/tracing-subscriber/tests/layer_filters/vec.rs b/vendor/tracing-subscriber/tests/layer_filters/vec.rs new file mode 100644 index 000000000..87244e4ab --- /dev/null +++ b/vendor/tracing-subscriber/tests/layer_filters/vec.rs @@ -0,0 +1,120 @@ +use super::*; +use tracing::Subscriber; + +#[test] +fn with_filters_unboxed() { + let (trace_layer, trace_handle) = layer::named("trace") + .event(event::mock().at_level(Level::TRACE)) + .event(event::mock().at_level(Level::DEBUG)) + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + let trace_layer = trace_layer.with_filter(LevelFilter::TRACE); + + let (debug_layer, debug_handle) = layer::named("debug") + .event(event::mock().at_level(Level::DEBUG)) + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + let debug_layer = debug_layer.with_filter(LevelFilter::DEBUG); + + let (info_layer, info_handle) = layer::named("info") + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + let info_layer = info_layer.with_filter(LevelFilter::INFO); + + let _subscriber = tracing_subscriber::registry() + .with(vec![trace_layer, debug_layer, info_layer]) + .set_default(); + + tracing::trace!("hello trace"); + tracing::debug!("hello debug"); + tracing::info!("hello info"); + + trace_handle.assert_finished(); + debug_handle.assert_finished(); + info_handle.assert_finished(); +} + +#[test] +fn with_filters_boxed() { + let (unfiltered_layer, unfiltered_handle) = layer::named("unfiltered") + .event(event::mock().at_level(Level::TRACE)) + .event(event::mock().at_level(Level::DEBUG)) + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + let unfiltered_layer = unfiltered_layer.boxed(); + + let (debug_layer, debug_handle) = layer::named("debug") + .event(event::mock().at_level(Level::DEBUG)) + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + let debug_layer = debug_layer.with_filter(LevelFilter::DEBUG).boxed(); + + let (target_layer, target_handle) = layer::named("target") + .event(event::mock().at_level(Level::INFO)) + .done() + .run_with_handle(); + let target_layer = target_layer + .with_filter(filter::filter_fn(|meta| meta.target() == "my_target")) + .boxed(); + + let _subscriber = tracing_subscriber::registry() + .with(vec![unfiltered_layer, debug_layer, target_layer]) + .set_default(); + + tracing::trace!("hello trace"); + tracing::debug!("hello debug"); + tracing::info!(target: "my_target", "hello my target"); + + unfiltered_handle.assert_finished(); + debug_handle.assert_finished(); + target_handle.assert_finished(); +} + +#[test] +fn mixed_max_level_hint() { + let unfiltered = layer::named("unfiltered").run().boxed(); + let info = layer::named("info") + .run() + .with_filter(LevelFilter::INFO) + .boxed(); + let debug = layer::named("debug") + .run() + .with_filter(LevelFilter::DEBUG) + .boxed(); + + let subscriber = tracing_subscriber::registry().with(vec![unfiltered, info, debug]); + + assert_eq!(subscriber.max_level_hint(), None); +} + +#[test] +fn all_filtered_max_level_hint() { + let warn = layer::named("warn") + .run() + .with_filter(LevelFilter::WARN) + .boxed(); + let info = layer::named("info") + .run() + .with_filter(LevelFilter::INFO) + .boxed(); + let debug = layer::named("debug") + .run() + .with_filter(LevelFilter::DEBUG) + .boxed(); + + let subscriber = tracing_subscriber::registry().with(vec![warn, info, debug]); + + assert_eq!(subscriber.max_level_hint(), Some(LevelFilter::DEBUG)); +} + +#[test] +fn empty_vec() { + // Just a None means everything is off + let subscriber = tracing_subscriber::registry().with(Vec::<ExpectLayer>::new()); + assert_eq!(subscriber.max_level_hint(), Some(LevelFilter::OFF)); +} |