fn basic()

in src/metrics/mod.rs [58:77]

• 20 lines of code
• 1 McCabe index (conditional complexity)

    fn basic() {
        let metrics = Metrics::new();
        metrics.register(&TestStat::Alpha);
        assert!(metrics.reading(&TestStat::Alpha).is_err());
        metrics
            .record_counter(&TestStat::Alpha, Instant::<Nanoseconds<u64>>::now(), 0)
            .expect("failed to record counter");
        assert_eq!(metrics.reading(&TestStat::Alpha), Ok(0));
        let now = Instant::<Nanoseconds<u64>>::now();
        metrics
            .record_counter(&TestStat::Alpha, now + Duration::from_millis(500), 0)
            .expect("failed to record counter");
        assert_eq!(metrics.reading(&TestStat::Alpha), Ok(0));
        assert_eq!(metrics.percentile(&TestStat::Alpha, 0.0), Ok(0));
        metrics
            .record_counter(&TestStat::Alpha, now + Duration::from_millis(1500), 1)
            .expect("failed to record counter");
        assert_eq!(metrics.reading(&TestStat::Alpha), Ok(1));
        assert_eq!(metrics.percentile(&TestStat::Alpha, 100.0), Ok(1));
    }