public void Points_are_written_to_database_passed_into_options() { const string databaseName = "databaseName"; var observer = new InfluxDbObserver(new MetricMonitorRegistryPoller(DefaultMonitorRegistry.Instance), influxDbClient, new InfluxDbObserverOptions(databaseName)); observer.Update(new[] { new Metric("name", DateTimeOffset.UtcNow, new Tag[0], 0, new Metric[0]) }); influxDbClient.Received(1).WriteAsync(Arg.Any <string>(), databaseName, Arg.Is <IEnumerable <Point> >(x => x.All(y => y.Measurement == "name"))); }