log_no_trace.rs

#[macro_use]
extern crate tracing;
extern crate test_log_support;

use test_log_support::Test;
use tracing::Level;

#[test]
fn test_always_log() {
    let test = Test::start();

    error!(foo = 5);
    test.assert_logged("foo=5");

    warn!("hello {};", "world");
    test.assert_logged("hello world;");

    info!(message = "hello world;", thingy = 42, other_thingy = 666);
    test.assert_logged("hello world; thingy=42 other_thingy=666");

    let foo = span!(Level::TRACE, "foo");
    test.assert_logged("foo;");

    foo.in_scope(|| {
        test.assert_logged("-> foo");

        trace!({foo = 3, bar = 4}, "hello {};", "san francisco");
        test.assert_logged("hello san francisco; foo=3 bar=4");
    });
    test.assert_logged("<- foo");

    drop(foo);
    test.assert_logged("-- foo");


    let foo = span!(Level::TRACE, "foo", bar = 3, baz = false);
    test.assert_logged("foo; bar=3 baz=false");

    drop(foo);
}