1#![cfg(feature = "std")]
2
3use tracing_mock::*;
4
5#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
6#[test]
7fn spans_dont_leak() {
8 fn do_span() {
9 let span = tracing::debug_span!("alice");
10 let _e = span.enter();
11 }
12
13 let (subscriber, handle) = subscriber::mock()
14 .named("spans/subscriber1")
15 .with_filter(|_| false)
16 .only()
17 .run_with_handle();
18
19 let _guard = tracing::subscriber::set_default(subscriber);
20
21 do_span();
22
23 let alice = expect::span().named("alice");
24 let (subscriber2, handle2) = subscriber::mock()
25 .named("spans/subscriber2")
26 .with_filter(|_| true)
27 .new_span(alice.clone())
28 .enter(alice.clone())
29 .exit(alice.clone())
30 .drop_span(alice)
31 .only()
32 .run_with_handle();
33
34 tracing::subscriber::with_default(subscriber2, || {
35 println!("--- subscriber 2 is default ---");
36 do_span()
37 });
38
39 println!("--- subscriber 1 is default ---");
40 do_span();
41
42 handle.assert_finished();
43 handle2.assert_finished();
44}
45
46#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
47#[test]
48fn events_dont_leak() {
49 fn do_event() {
50 tracing::debug!("alice");
51 }
52
53 let (subscriber, handle) = subscriber::mock()
54 .named("events/subscriber1")
55 .with_filter(|_| false)
56 .only()
57 .run_with_handle();
58
59 let _guard = tracing::subscriber::set_default(subscriber);
60
61 do_event();
62
63 let (subscriber2, handle2) = subscriber::mock()
64 .named("events/subscriber2")
65 .with_filter(|_| true)
66 .event(expect::event())
67 .only()
68 .run_with_handle();
69
70 tracing::subscriber::with_default(subscriber2, || {
71 println!("--- subscriber 2 is default ---");
72 do_event()
73 });
74
75 println!("--- subscriber 1 is default ---");
76
77 do_event();
78
79 handle.assert_finished();
80 handle2.assert_finished();
81}
82