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Diffstat (limited to 'third_party/rust/tracing/tests/event.rs')
| -rw-r--r-- | third_party/rust/tracing/tests/event.rs | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/third_party/rust/tracing/tests/event.rs b/third_party/rust/tracing/tests/event.rs new file mode 100644 index 0000000000..d61ef748b8 --- /dev/null +++ b/third_party/rust/tracing/tests/event.rs @@ -0,0 +1,375 @@ +// These tests require the thread-local scoped dispatcher, which only works when +// we have a standard library. The behaviour being tested should be the same +// with the standard lib disabled. +// +// The alternative would be for each of these tests to be defined in a separate +// file, which is :( +#![cfg(feature = "std")] + +#[macro_use] +extern crate tracing; +mod support; + +use self::support::*; + +use tracing::{ + field::{debug, display}, + subscriber::with_default, + Level, +}; + +macro_rules! event_without_message { + ($name:ident: $e:expr) => { + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] + #[test] + fn $name() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("answer") + .with_value(&42) + .and( + field::mock("to_question") + .with_value(&"life, the universe, and everything"), + ) + .only(), + ), + ) + .done() + .run_with_handle(); + + with_default(subscriber, || { + info!( + answer = $e, + to_question = "life, the universe, and everything" + ); + }); + + handle.assert_finished(); + } + }; +} + +event_without_message! {event_without_message: 42} +event_without_message! {wrapping_event_without_message: std::num::Wrapping(42)} +event_without_message! {nonzeroi32_event_without_message: std::num::NonZeroI32::new(42).unwrap()} +// needs API breakage +//event_without_message!{nonzerou128_event_without_message: std::num::NonZeroU128::new(42).unwrap()} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn event_with_message() { + let (subscriber, handle) = subscriber::mock() + .event(event::mock().with_fields(field::mock("message").with_value( + &tracing::field::debug(format_args!("hello from my event! yak shaved = {:?}", true)), + ))) + .done() + .run_with_handle(); + + with_default(subscriber, || { + debug!("hello from my event! yak shaved = {:?}", true); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn message_without_delims() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("answer") + .with_value(&42) + .and(field::mock("question").with_value(&"life, the universe, and everything")) + .and( + field::mock("message").with_value(&tracing::field::debug(format_args!( + "hello from my event! tricky? {:?}!", + true + ))), + ) + .only(), + ), + ) + .done() + .run_with_handle(); + + with_default(subscriber, || { + let question = "life, the universe, and everything"; + debug!(answer = 42, question, "hello from {where}! tricky? {:?}!", true, where = "my event"); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn string_message_without_delims() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("answer") + .with_value(&42) + .and(field::mock("question").with_value(&"life, the universe, and everything")) + .and( + field::mock("message").with_value(&tracing::field::debug(format_args!( + "hello from my event" + ))), + ) + .only(), + ), + ) + .done() + .run_with_handle(); + + with_default(subscriber, || { + let question = "life, the universe, and everything"; + debug!(answer = 42, question, "hello from my event"); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn one_with_everything() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock() + .with_fields( + field::mock("message") + .with_value(&tracing::field::debug(format_args!( + "{:#x} make me one with{what:.>20}", + 4_277_009_102u64, + what = "everything" + ))) + .and(field::mock("foo").with_value(&666)) + .and(field::mock("bar").with_value(&false)) + .only(), + ) + .at_level(Level::ERROR) + .with_target("whatever"), + ) + .done() + .run_with_handle(); + + with_default(subscriber, || { + event!( + target: "whatever", + Level::ERROR, + { foo = 666, bar = false }, + "{:#x} make me one with{what:.>20}", 4_277_009_102u64, what = "everything" + ); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn moved_field() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("foo") + .with_value(&display("hello from my event")) + .only(), + ), + ) + .done() + .run_with_handle(); + with_default(subscriber, || { + let from = "my event"; + event!(Level::INFO, foo = display(format!("hello from {}", from))) + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn dotted_field_name() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("foo.bar") + .with_value(&true) + .and(field::mock("foo.baz").with_value(&false)) + .only(), + ), + ) + .done() + .run_with_handle(); + with_default(subscriber, || { + event!(Level::INFO, foo.bar = true, foo.baz = false); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn borrowed_field() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("foo") + .with_value(&display("hello from my event")) + .only(), + ), + ) + .done() + .run_with_handle(); + with_default(subscriber, || { + let from = "my event"; + let mut message = format!("hello from {}", from); + event!(Level::INFO, foo = display(&message)); + message.push_str(", which happened!"); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +// If emitting log instrumentation, this gets moved anyway, breaking the test. +#[cfg(not(feature = "log"))] +fn move_field_out_of_struct() { + use tracing::field::debug; + + #[derive(Debug)] + struct Position { + x: f32, + y: f32, + } + + let pos = Position { + x: 3.234, + y: -1.223, + }; + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("x") + .with_value(&debug(3.234)) + .and(field::mock("y").with_value(&debug(-1.223))) + .only(), + ), + ) + .event(event::mock().with_fields(field::mock("position").with_value(&debug(&pos)))) + .done() + .run_with_handle(); + + with_default(subscriber, || { + let pos = Position { + x: 3.234, + y: -1.223, + }; + debug!(x = debug(pos.x), y = debug(pos.y)); + debug!(target: "app_events", { position = debug(pos) }, "New position"); + }); + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn display_shorthand() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("my_field") + .with_value(&display("hello world")) + .only(), + ), + ) + .done() + .run_with_handle(); + with_default(subscriber, || { + event!(Level::TRACE, my_field = %"hello world"); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn debug_shorthand() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("my_field") + .with_value(&debug("hello world")) + .only(), + ), + ) + .done() + .run_with_handle(); + with_default(subscriber, || { + event!(Level::TRACE, my_field = ?"hello world"); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn both_shorthands() { + let (subscriber, handle) = subscriber::mock() + .event( + event::mock().with_fields( + field::mock("display_field") + .with_value(&display("hello world")) + .and(field::mock("debug_field").with_value(&debug("hello world"))) + .only(), + ), + ) + .done() + .run_with_handle(); + with_default(subscriber, || { + event!(Level::TRACE, display_field = %"hello world", debug_field = ?"hello world"); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn explicit_child() { + let (subscriber, handle) = subscriber::mock() + .new_span(span::mock().named("foo")) + .event(event::mock().with_explicit_parent(Some("foo"))) + .done() + .run_with_handle(); + + with_default(subscriber, || { + let foo = span!(Level::TRACE, "foo"); + event!(parent: foo.id(), Level::TRACE, "bar"); + }); + + handle.assert_finished(); +} + +#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)] +#[test] +fn explicit_child_at_levels() { + let (subscriber, handle) = subscriber::mock() + .new_span(span::mock().named("foo")) + .event(event::mock().with_explicit_parent(Some("foo"))) + .event(event::mock().with_explicit_parent(Some("foo"))) + .event(event::mock().with_explicit_parent(Some("foo"))) + .event(event::mock().with_explicit_parent(Some("foo"))) + .event(event::mock().with_explicit_parent(Some("foo"))) + .done() + .run_with_handle(); + + with_default(subscriber, || { + let foo = span!(Level::TRACE, "foo"); + trace!(parent: foo.id(), "a"); + debug!(parent: foo.id(), "b"); + info!(parent: foo.id(), "c"); + warn!(parent: foo.id(), "d"); + error!(parent: foo.id(), "e"); + }); + + handle.assert_finished(); +} |