flogging 0.6.0

This is a fast, flexible logging crate, loosely based on the Java logging package: java.util.logging.
Documentation 
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//
// File Name:    it_conversion.rs
// Directory:    tests
// Project Name: flogging
//
// Copyright (C) 2025 Bradley Willcott
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This library (crate) is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library (crate) is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this library (crate).  If not, see <https://www.gnu.org/licenses/>.
//

//!
//! # Integration Tests - Conversion
//!

use std::fmt;

#[allow(dead_code)]
pub struct Temp {
    val: String,
}

#[allow(dead_code)]
impl Temp {
    pub fn new(val: String) -> Self {
        Self { val }
    }

    pub fn val(&self) -> String {
        self.val.clone()
    }
}

impl fmt::Display for Temp {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        self.val.fmt(f)
    }
}

#[cfg(test)]
mod tests {
    use chrono::Local;
    use flogging::*;

    const_logger!({
        Logger::builder("flogging")
            .add_console_handler()
            .remove_file("tests/it_conversion.log")
            .add_file_handler("tests/it_conversion.log")
            .add_string_handler()
            .set_level(Level::FINEST)
            .build()
    });

    #[logger]
    #[test]
    fn my_func() {
        config!("Some text to store.");

        let time = Local::now();
        config!("The configuration as at: {}", time);
        config!("The configuration as at: {time}");
        config!("The configuration as at: {time:?}");
    }

    #[logger]
    #[test]
    fn format() {
        let arg = "Serious stuff".to_string();
        let arg1 = "NOW!!".to_string();
        let arg2 = "Signed: Brad".to_string();

        config!("Testing `config` macro: {}, {} ({})", arg, arg1, arg2);
        fine!("Testing `fine` macro: {}, {} ({})", arg, arg1, arg2);
        finer!("Testing `finer` macro: {}, {} ({})", arg, arg1, arg2);
        finest!("Testing `finest` macro: {}, {} ({})", arg, arg1, arg2);
        info!("Testing `info` macro: {}, {} ({})", arg, arg1, arg2);
        warning!("Testing `warning` macro: {}, {} ({})", arg, arg1, arg2);
        severe!("Testing `severe` macro: {}, {} ({})", arg, arg1, arg2);
    }

    #[logger]
    #[test]
    fn format2() {
        use super::Temp;

        let arg = "Serious stuff".to_string();
        let arg1 = "NOW!!".to_string();
        let arg2 = "Signed: Brad".to_string();

        config!("arg: {arg} {} ({})", arg1, arg2);
        config!(arg, arg1, arg2);

        let temp = Temp::new("Freddy".to_string());

        info!(temp);
    }

    #[logger]
    #[test]
    fn string_log() {
        info!("Some text to store.");
        warning!("Rain is wet!");
        severe!("Hurricanes are windy!");

        if let Some(h) = get_handler!(Handler::String) {
            println!(
                "\n(h.get_log())\n======v======\n{}\n======^======",
                h.get_log()
            );
        } else {
            println!("Sorry. Not there!");
        }
    }

    #[logger]
    #[test]
    fn empty_msg() {
        info!();
    }

    #[test]
    #[logger]
    fn is_logging() {
        assert!(is_logging!());
        set_level!(Level::OFF);
        assert!(!is_logging!());
    }
}