blob: c8133044b1b6cae524f36361b985d05fde8ffd27 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
use super::*;
use tracing_subscriber::{
filter::{filter_fn, Targets},
prelude::*,
};
#[test]
#[cfg_attr(not(feature = "tracing-log"), ignore)]
fn log_events() {
// Reproduces https://github.com/tokio-rs/tracing/issues/1563
mod inner {
pub(super) const MODULE_PATH: &str = module_path!();
#[tracing::instrument]
pub(super) fn logs() {
log::debug!("inner");
}
}
let filter = Targets::new()
.with_default(LevelFilter::DEBUG)
.with_target(inner::MODULE_PATH, LevelFilter::WARN);
let layer =
tracing_subscriber::layer::Identity::new().with_filter(filter_fn(move |_meta| true));
let _guard = tracing_subscriber::registry()
.with(filter)
.with(layer)
.set_default();
inner::logs();
}
#[test]
fn inner_layer_short_circuits() {
// This test ensures that when a global filter short-circuits `Interest`
// evaluation, we aren't left with a "dirty" per-layer filter state.
let (layer, handle) = layer::mock()
.event(event::msg("hello world"))
.done()
.run_with_handle();
let filter = Targets::new().with_target("magic_target", LevelFilter::DEBUG);
let _guard = tracing_subscriber::registry()
// Note: we don't just use a `LevelFilter` for the global filter here,
// because it will just return a max level filter, and the chain of
// `register_callsite` calls that would trigger the bug never happens...
.with(filter::filter_fn(|meta| meta.level() <= &Level::INFO))
.with(layer.with_filter(filter))
.set_default();
tracing::debug!("skip me please!");
tracing::info!(target: "magic_target", "hello world");
handle.assert_finished();
}
|
