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|
//! Tests for sync instrumentation.
//!
//! These tests ensure that the instrumentation for tokio
//! synchronization primitives is correct.
#![warn(rust_2018_idioms)]
#![cfg(all(tokio_unstable, feature = "tracing", target_has_atomic = "64"))]
use tokio::sync;
use tracing_mock::{expect, subscriber};
#[tokio::test]
async fn test_barrier_creates_span() {
let barrier_span = expect::span()
.named("runtime.resource")
.with_target("tokio::sync::barrier");
let size_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("size").with_value(&1_u64));
let arrived_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("arrived").with_value(&0_i64));
let (subscriber, handle) = subscriber::mock()
.new_span(
barrier_span
.clone()
.with_ancestry(expect::is_explicit_root()),
)
.enter(&barrier_span)
.event(size_event)
.event(arrived_event)
.exit(&barrier_span)
.drop_span(&barrier_span)
.run_with_handle();
{
let _guard = tracing::subscriber::set_default(subscriber);
let _ = sync::Barrier::new(1);
}
handle.assert_finished();
}
#[tokio::test]
async fn test_mutex_creates_span() {
let mutex_span = expect::span()
.named("runtime.resource")
.with_target("tokio::sync::mutex");
let locked_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("locked").with_value(&false));
let batch_semaphore_span = expect::span()
.named("runtime.resource")
.with_target("tokio::sync::batch_semaphore");
let batch_semaphore_permits_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("permits").with_value(&1u64))
.with_fields(expect::field("permits.op").with_value(&"override"));
let (subscriber, handle) = subscriber::mock()
.new_span(mutex_span.clone().with_ancestry(expect::is_explicit_root()))
.enter(&mutex_span)
.event(locked_event)
.new_span(
batch_semaphore_span
.clone()
.with_ancestry(expect::is_explicit_root()),
)
.enter(&batch_semaphore_span)
.event(batch_semaphore_permits_event)
.exit(&batch_semaphore_span)
.exit(&mutex_span)
.drop_span(&mutex_span)
.drop_span(&batch_semaphore_span)
.run_with_handle();
{
let _guard = tracing::subscriber::set_default(subscriber);
let _ = sync::Mutex::new(true);
}
handle.assert_finished();
}
#[tokio::test]
async fn test_oneshot_creates_span() {
let oneshot_span_id = expect::id();
let oneshot_span = expect::span()
.with_id(oneshot_span_id.clone())
.named("runtime.resource")
.with_target("tokio::sync::oneshot");
let initial_tx_dropped_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("tx_dropped").with_value(&false))
.with_fields(expect::field("tx_dropped.op").with_value(&"override"));
let final_tx_dropped_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("tx_dropped").with_value(&true))
.with_fields(expect::field("tx_dropped.op").with_value(&"override"));
let initial_rx_dropped_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("rx_dropped").with_value(&false))
.with_fields(expect::field("rx_dropped.op").with_value(&"override"));
let final_rx_dropped_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("rx_dropped").with_value(&true))
.with_fields(expect::field("rx_dropped.op").with_value(&"override"));
let value_sent_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("value_sent").with_value(&false))
.with_fields(expect::field("value_sent.op").with_value(&"override"));
let value_received_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("value_received").with_value(&false))
.with_fields(expect::field("value_received.op").with_value(&"override"));
let async_op_span_id = expect::id();
let async_op_span = expect::span()
.with_id(async_op_span_id.clone())
.named("runtime.resource.async_op")
.with_target("tokio::sync::oneshot");
let async_op_poll_span = expect::span()
.named("runtime.resource.async_op.poll")
.with_target("tokio::sync::oneshot");
let (subscriber, handle) = subscriber::mock()
.new_span(
oneshot_span
.clone()
.with_ancestry(expect::is_explicit_root()),
)
.enter(&oneshot_span)
.event(initial_tx_dropped_event)
.exit(&oneshot_span)
.enter(&oneshot_span)
.event(initial_rx_dropped_event)
.exit(&oneshot_span)
.enter(&oneshot_span)
.event(value_sent_event)
.exit(&oneshot_span)
.enter(&oneshot_span)
.event(value_received_event)
.exit(&oneshot_span)
.enter(&oneshot_span)
.new_span(
async_op_span
.clone()
.with_ancestry(expect::has_contextual_parent(&oneshot_span_id)),
)
.exit(&oneshot_span)
.enter(&async_op_span)
.new_span(
async_op_poll_span
.clone()
.with_ancestry(expect::has_contextual_parent(&async_op_span_id)),
)
.exit(&async_op_span)
.enter(&oneshot_span)
.event(final_tx_dropped_event)
.exit(&oneshot_span)
.enter(&oneshot_span)
.event(final_rx_dropped_event)
.exit(&oneshot_span)
.drop_span(oneshot_span)
.drop_span(async_op_span)
.drop_span(&async_op_poll_span)
.run_with_handle();
{
let _guard = tracing::subscriber::set_default(subscriber);
let _ = sync::oneshot::channel::<bool>();
}
handle.assert_finished();
}
#[tokio::test]
async fn test_rwlock_creates_span() {
let rwlock_span = expect::span()
.named("runtime.resource")
.with_target("tokio::sync::rwlock");
let max_readers_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("max_readers").with_value(&0x1FFFFFFF_u64));
let write_locked_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("write_locked").with_value(&false));
let current_readers_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("current_readers").with_value(&0_i64));
let batch_semaphore_span = expect::span()
.named("runtime.resource")
.with_target("tokio::sync::batch_semaphore");
let batch_semaphore_permits_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("permits").with_value(&1u64))
.with_fields(expect::field("permits.op").with_value(&"override"));
let (subscriber, handle) = subscriber::mock()
.new_span(
rwlock_span
.clone()
.with_ancestry(expect::is_explicit_root()),
)
.enter(rwlock_span.clone())
.event(max_readers_event)
.event(write_locked_event)
.event(current_readers_event)
.exit(rwlock_span.clone())
.enter(rwlock_span.clone())
.new_span(batch_semaphore_span.clone())
.enter(batch_semaphore_span.clone())
.event(batch_semaphore_permits_event)
.exit(batch_semaphore_span.clone())
.exit(rwlock_span.clone())
.drop_span(rwlock_span)
.drop_span(batch_semaphore_span)
.run_with_handle();
{
let _guard = tracing::subscriber::set_default(subscriber);
let _ = sync::RwLock::new(true);
}
handle.assert_finished();
}
#[tokio::test]
async fn test_semaphore_creates_span() {
let semaphore_span = expect::span()
.named("runtime.resource")
.with_target("tokio::sync::semaphore");
let batch_semaphore_span = expect::span()
.named("runtime.resource")
.with_target("tokio::sync::batch_semaphore");
let batch_semaphore_permits_event = expect::event()
.with_target("runtime::resource::state_update")
.with_fields(expect::field("permits").with_value(&1u64))
.with_fields(expect::field("permits.op").with_value(&"override"));
let (subscriber, handle) = subscriber::mock()
.new_span(
semaphore_span
.clone()
.with_ancestry(expect::is_explicit_root()),
)
.enter(semaphore_span.clone())
.new_span(batch_semaphore_span.clone())
.enter(batch_semaphore_span.clone())
.event(batch_semaphore_permits_event)
.exit(batch_semaphore_span.clone())
.exit(semaphore_span.clone())
.drop_span(semaphore_span)
.drop_span(batch_semaphore_span)
.run_with_handle();
{
let _guard = tracing::subscriber::set_default(subscriber);
let _ = sync::Semaphore::new(1);
}
handle.assert_finished();
}
|
