loggy 0.5.3

An opinionated library for developing and testing rust applications that use logging.
Documentation
// FILE FLAKY TESTED

#[macro_use]
extern crate loggy;

use loggy::{
    assert_errors, assert_logs, assert_logs_panics, assert_panics, assert_writes, scope_errors,
    Scope,
};
use std::thread;

#[test]
fn panic_outside_scope_is_captured() {
    assert_panics("test: [ERROR] test_log: foo\n", || panic!("foo"));
}

#[test]
fn panic_inside_scope_is_captured() {
    assert_panics("test: [ERROR] scope: foo\n", || {
        Scope::with("scope", || {
            panic!("foo");
        });
    });
}

#[test]
fn panic_inside_indexed_scope_is_captured() {
    assert_panics("test: [ERROR] scope@7: foo\n", || {
        Scope::with_indexed("scope", 7, || {
            panic!("foo");
        });
    });
}

#[test]
fn error_inside_scope_is_captured() {
    assert_errors("scope", "test: [ERROR] scope: error\n", || error!("error"));
}

#[test]
fn error_outside_scope_is_panic() {
    assert_panics("test: error! called outside a named scope", || {
        error!("outsider");
    });
}

#[test]
fn scope_errors_outside_scope() {
    assert_eq!(scope_errors(), 0);
}

#[test]
fn scope_errors_inside_scope() {
    assert_errors("scope", "test: [ERROR] scope: error\n", || {
        assert_eq!(scope_errors(), 0);
        error!("error");
        assert_eq!(scope_errors(), 1);
    });
}

#[test]
fn emit_structured_log_messages() {
    assert_logs(
        r#"
        test: [INFO] test_log: simple
        test: [WARN] test_log: format 0
        test: [TRACE] test_log: both 0
        test: [trace] test_log:   foo: 1
        test: [trace] test_log:   bar:
        test: [trace] test_log:     baz: 2
        "#,
        || {
            info!("simple");
            warn!("format {}", 0);
            trace!("both {}", 0; foo => 1, bar { baz => 2 });
        },
    );
}

#[test]
fn named_scope_should_replace_module() {
    assert_logs("test: [WARN] scope: warning\n", || {
        Scope::with("scope", || {
            warn!("warning");
        })
    });
}

#[test]
fn named_indexed_scope_should_replace_module() {
    assert_logs("test: [WARN] scope@7: warning\n", || {
        Scope::with_indexed("scope", 7, || {
            warn!("warning");
        })
    });
}

#[test]
fn multi_line_should_be_captured() {
    assert_logs(
        r#"
        test: [INFO] test_log: info
        test: [info] test_log: continuation
        test: [info] test_log: lines
        "#,
        || {
            info!("info\ncontinuation\nlines");
        },
    );
}

#[test]
fn warning_should_be_captured() {
    assert_logs("test: [WARN] test_log: warning\n", || {
        warn!("warning");
    });
}

#[test]
fn info_should_be_captured() {
    assert_logs("test: [INFO] test_log: information\n", || {
        info!("information");
    });
}

#[test]
fn debug_should_not_be_captured() {
    debug!("debug");
    todox!("debug");
}

#[test]
fn notice_should_be_captured() {
    assert_logs_panics(
        r#"
        test: [ERROR] scope: error
        test: [WARN] scope: warning
        "#,
        "test: [ERROR] scope: failed with 1 error(s)",
        || {
            let _scope = Scope::new("scope");
            note!(true, "error");
            note!(false, "warning");
        },
    );
}

mod foo {
    is_an_error!(false);
}

#[test]
fn notice_should_be_controlled() {
    assert!(!foo::is_an_error());
    assert!(!foo::set_is_an_error(true));
    assert!(foo::is_an_error());
    assert!(foo::set_is_an_error(false));
}

#[test]
fn worker_threads_should_be_reported() {
    assert_logs(
        r#"
        test: [INFO] test_log: before
        test: [INFO] test_log: child
        test: [INFO] test_log: after
    "#,
        || {
            info!("before");
            let child = thread::spawn(|| {
                info!("child");
            });
            child.join().unwrap();
            info!("after");
        },
    );
}

#[loggy::scope]
fn scoped() {
    info!("message");
}

#[test]
fn scoped_functions_should_work() {
    assert_logs("test: [INFO] scoped: message\n", scoped);
}

#[loggy::scope("scope name")]
fn name_scoped() {
    info!("message");
}

#[test]
fn named_scoped_functions_should_work() {
    assert_logs("test: [INFO] scope name: message\n", name_scoped);
}

#[test]
fn writes_are_captured() {
    assert_writes("foo", |writer| {
        writer.write_all("foo".as_bytes()).unwrap();
    });
}