Function test_remove_gauge

libs/orbit-essentials/src/metrics.rs:514–531

()

    #[test]
    fn test_remove_gauge() {
        let mut registry = MetricsRegistry::new("default".to_string());

        let gauge = registry.gauge_mut("test_gauge", "test gauge");
        gauge.set(42.0);

        let buffer = registry.export_metrics().unwrap();
        let output = String::from_utf8(buffer).unwrap();

        assert!(output.contains("default_test_gauge 42"));

        registry.remove_gauge("test_gauge");

        let buffer = registry.export_metrics().unwrap();
        let output = String::from_utf8(buffer).unwrap();

        assert!(!output.contains("default_test_gauge 42"));
    }
}