public void HandleStopEvent_RecordsStats()
{
var options = new MetricsObserverOptions();
var stats = new TestOpenTelemetryMetrics();
var observer = new HttpClientCoreObserver(options, stats, null);
var factory = stats.Factory;
var processor = stats.Processor;
var req = GetHttpRequestMessage();
var resp = GetHttpResponseMessage(HttpStatusCode.InternalServerError);
var act = new Activity("Test");
act.Start();
Task.Delay(1000).Wait();
act.SetEndTime(DateTime.UtcNow);
observer.HandleStopEvent(act, req, resp, TaskStatus.RanToCompletion);
observer.HandleStopEvent(act, req, resp, TaskStatus.RanToCompletion);
factory.CollectAllMetrics();
var timeSummary = processor.GetMetricByName <double>("http.client.request.time");
Assert.NotNull(timeSummary);
var average = timeSummary.Sum / timeSummary.Count;
Assert.InRange(average, 975.0, 1200.0);
Assert.InRange(timeSummary.Max, 975.0, 1200.0);
var countSummary = processor.GetMetricByName <long>("http.client.request.count");
Assert.Equal(2, countSummary.Count);
act.Stop();
}
