1 use tracing_core::{
2 callsite::Callsite,
3 metadata,
4 metadata::{Kind, Level, Metadata},
5 subscriber::Interest,
6 };
7
8 #[test]
metadata_macro_api()9 fn metadata_macro_api() {
10 // This test should catch any inadvertent breaking changes
11 // caused by changes to the macro.
12 struct TestCallsite;
13
14 impl Callsite for TestCallsite {
15 fn set_interest(&self, _: Interest) {
16 unimplemented!("test")
17 }
18 fn metadata(&self) -> &Metadata<'_> {
19 unimplemented!("test")
20 }
21 }
22
23 static CALLSITE: TestCallsite = TestCallsite;
24 let _metadata = metadata! {
25 name: "test_metadata",
26 target: "test_target",
27 level: Level::DEBUG,
28 fields: &["foo", "bar", "baz"],
29 callsite: &CALLSITE,
30 kind: Kind::SPAN,
31 };
32 let _metadata = metadata! {
33 name: "test_metadata",
34 target: "test_target",
35 level: Level::TRACE,
36 fields: &[],
37 callsite: &CALLSITE,
38 kind: Kind::EVENT,
39 };
40 let _metadata = metadata! {
41 name: "test_metadata",
42 target: "test_target",
43 level: Level::INFO,
44 fields: &[],
45 callsite: &CALLSITE,
46 kind: Kind::EVENT
47 };
48 }
49