public void SettingFailScrapeOnExceptionToNonDefault()
{
HangfirePrometheusSettings settings = new HangfirePrometheusSettings();
settings.FailScrapeOnException = false;
Assert.False(settings.FailScrapeOnException);
}
public void SettingsDefaultsTest()
{
HangfirePrometheusSettings settings = new HangfirePrometheusSettings();
Assert.Same(Metrics.DefaultRegistry, settings.CollectorRegistry);
Assert.True(settings.FailScrapeOnException);
}
public void SettingCustomRegistryPositive()
{
HangfirePrometheusSettings settings = new HangfirePrometheusSettings();
CollectorRegistry collectorRegistry = Metrics.NewCustomRegistry();
settings.CollectorRegistry = collectorRegistry;
Assert.Same(collectorRegistry, settings.CollectorRegistry);
}
public PrometheusExporterTests()
{
_autoFixture = new Fixture();
_mockHangfireMonitor = new Mock <IHangfireMonitorService>();
_collectorRegistry = Metrics.NewCustomRegistry();
_settings = new HangfirePrometheusSettings
{
CollectorRegistry = _collectorRegistry
};
_classUnderTest = new HangfirePrometheusExporter(_mockHangfireMonitor.Object, _settings);
}
/// <summary>
/// Initializes Prometheus Hangfire Exporter using current Hangfire job storage and default metrics registry.
/// </summary>
/// <param name="app">IApplicationBuilder instance</param>
/// <returns>Provided instance of IApplicationBuilder</returns>
public static IApplicationBuilder UsePrometheusHangfireExporter(this IApplicationBuilder app, HangfirePrometheusSettings settings = null)
{
settings = settings ?? new HangfirePrometheusSettings();
JobStorage js = (JobStorage)app.ApplicationServices.GetService(typeof(JobStorage));
if (js != null)
{
IHangfireMonitorService hangfireMonitor = new HangfireMonitorService(js);
IPrometheusExporter exporter = new HangfirePrometheusExporter(hangfireMonitor, settings);
Metrics.DefaultRegistry.AddBeforeCollectCallback(() => exporter.ExportHangfireStatistics());
}
return(app);
}
public void SettingCustomRegistryToNullThrowsException()
{
HangfirePrometheusSettings settings = new HangfirePrometheusSettings();
Assert.Throws <ArgumentNullException>(() => settings.CollectorRegistry = null);
}
public static IAppBuilder UsePrometheusHangfireExporter(this IAppBuilder app, HangfirePrometheusSettings settings = null)
{
settings = settings ?? new HangfirePrometheusSettings();
try
{
JobStorage js = JobStorage.Current;
if (js != null)
{
IHangfireMonitorService hangfireMonitor = new HangfireMonitorService(js);
IPrometheusExporter exporter = new HangfirePrometheusExporter(hangfireMonitor, settings);
Metrics.DefaultRegistry.AddBeforeCollectCallback(() => exporter.ExportHangfireStatistics());
}
}
catch (Exception)
{
return(app);
}
return(app);
}
