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