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use tracing::{subscriber::with_default, Id, Level, Span};
use tracing_attributes::instrument;
use tracing_mock::*;
#[instrument(follows_from = causes, skip(causes))]
fn with_follows_from_sync(causes: impl IntoIterator<Item = impl Into<Option<Id>>>) {}
#[instrument(follows_from = causes, skip(causes))]
async fn with_follows_from_async(causes: impl IntoIterator<Item = impl Into<Option<Id>>>) {}
#[instrument(follows_from = [&Span::current()])]
fn follows_from_current() {}
#[test]
fn follows_from_sync_test() {
let cause_a = expect::span().named("cause_a");
let cause_b = expect::span().named("cause_b");
let cause_c = expect::span().named("cause_c");
let consequence = expect::span().named("with_follows_from_sync");
let (subscriber, handle) = subscriber::mock()
.new_span(cause_a.clone())
.new_span(cause_b.clone())
.new_span(cause_c.clone())
.new_span(consequence.clone())
.follows_from(consequence.clone(), cause_a)
.follows_from(consequence.clone(), cause_b)
.follows_from(consequence.clone(), cause_c)
.enter(consequence.clone())
.exit(consequence)
.only()
.run_with_handle();
with_default(subscriber, || {
let cause_a = tracing::span!(Level::TRACE, "cause_a");
let cause_b = tracing::span!(Level::TRACE, "cause_b");
let cause_c = tracing::span!(Level::TRACE, "cause_c");
with_follows_from_sync(&[cause_a, cause_b, cause_c])
});
handle.assert_finished();
}
#[test]
fn follows_from_async_test() {
let cause_a = expect::span().named("cause_a");
let cause_b = expect::span().named("cause_b");
let cause_c = expect::span().named("cause_c");
let consequence = expect::span().named("with_follows_from_async");
let (subscriber, handle) = subscriber::mock()
.new_span(cause_a.clone())
.new_span(cause_b.clone())
.new_span(cause_c.clone())
.new_span(consequence.clone())
.follows_from(consequence.clone(), cause_a)
.follows_from(consequence.clone(), cause_b)
.follows_from(consequence.clone(), cause_c)
.enter(consequence.clone())
.exit(consequence.clone())
.enter(consequence.clone())
.exit(consequence)
.only()
.run_with_handle();
with_default(subscriber, || {
block_on_future(async {
let cause_a = tracing::span!(Level::TRACE, "cause_a");
let cause_b = tracing::span!(Level::TRACE, "cause_b");
let cause_c = tracing::span!(Level::TRACE, "cause_c");
with_follows_from_async(&[cause_a, cause_b, cause_c]).await
})
});
handle.assert_finished();
}
#[test]
fn follows_from_current_test() {
let cause = expect::span().named("cause");
let consequence = expect::span().named("follows_from_current");
let (subscriber, handle) = subscriber::mock()
.new_span(cause.clone())
.enter(cause.clone())
.new_span(consequence.clone())
.follows_from(consequence.clone(), cause.clone())
.enter(consequence.clone())
.exit(consequence)
.exit(cause)
.only()
.run_with_handle();
with_default(subscriber, || {
tracing::span!(Level::TRACE, "cause").in_scope(follows_from_current)
});
handle.assert_finished();
}
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