rivet-logger 0.1.0

Rivet framework crates and adapters.
Documentation 
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pub struct Log;
pub struct ChannelLog {
    channel: String,
}

impl Log {
    pub fn channel(channel: impl Into<String>) -> ChannelLog {
        ChannelLog {
            channel: channel.into(),
        }
    }

    pub fn debug(message: impl AsRef<str>) {
        let message = message.as_ref();
        crate::write_to_handler(&crate::format_log_line("DEBUG", message));
    }

    pub fn info(message: impl AsRef<str>) {
        let message = message.as_ref();
        crate::write_to_handler(&crate::format_log_line("INFO", message));
    }

    pub fn warn(message: impl AsRef<str>) {
        let message = message.as_ref();
        crate::write_to_handler(&crate::format_log_line("WARN", message));
    }

    pub fn error(message: impl AsRef<str>) {
        let message = message.as_ref();
        crate::write_to_handler(&crate::format_log_line("ERROR", message));
    }
}

impl ChannelLog {
    pub fn debug(&self, message: impl AsRef<str>) {
        let message = message.as_ref();
        crate::write_to_channel_or_handler(
            &self.channel,
            &crate::format_log_line("DEBUG", message),
        );
    }

    pub fn info(&self, message: impl AsRef<str>) {
        let message = message.as_ref();
        crate::write_to_channel_or_handler(&self.channel, &crate::format_log_line("INFO", message));
    }

    pub fn warn(&self, message: impl AsRef<str>) {
        let message = message.as_ref();
        crate::write_to_channel_or_handler(&self.channel, &crate::format_log_line("WARN", message));
    }

    pub fn error(&self, message: impl AsRef<str>) {
        let message = message.as_ref();
        crate::write_to_channel_or_handler(
            &self.channel,
            &crate::format_log_line("ERROR", message),
        );
    }
}

#[cfg(test)]
mod tests {
    use std::io;
    use std::sync::{Arc, Mutex};
    use std::time::{SystemTime, UNIX_EPOCH};

    use crate::handlers::Handler;
    use crate::{set_channel_handler, Log};

    struct Capture {
        lines: Arc<Mutex<Vec<String>>>,
    }

    impl Handler for Capture {
        fn log(&self, message: &str) -> io::Result<()> {
            self.lines
                .lock()
                .expect("capture lock should not be poisoned")
                .push(message.to_string());
            Ok(())
        }
    }

    #[test]
    fn writes_to_named_channel() {
        let stamp = SystemTime::now()
            .duration_since(UNIX_EPOCH)
            .expect("system time should be after unix epoch")
            .as_nanos();
        let channel = format!("channel-{stamp}");
        let lines = Arc::new(Mutex::new(Vec::new()));

        set_channel_handler(
            channel.clone(),
            Arc::new(Capture {
                lines: Arc::clone(&lines),
            }),
        );

        Log::channel(channel).info("named message");

        let lines = lines.lock().expect("capture lock should not be poisoned");
        assert_eq!(lines.len(), 1);
        assert!(lines[0].contains("INFO"));
        assert!(lines[0].contains("named message"));
    }
}