public void HandleExceptionEvent_RecordsStats()
{
var options = new MetricsOptions();
var stats = new OpenCensusStats();
var tags = new OpenCensusTags();
var observer = new HttpClientCoreObserver(options, stats, tags, null);
var req = GetHttpRequestMessage();
var resp = GetHttpResponseMessage(HttpStatusCode.InternalServerError);
Activity act = new Activity("Test");
act.Start();
Thread.Sleep(1000);
act.SetEndTime(DateTime.UtcNow);
observer.HandleExceptionEvent(act, req);
observer.HandleExceptionEvent(act, req);
var reqData = stats.ViewManager.GetView(ViewName.Create("http.client.requests"));
var aggData1 = reqData.SumWithTags() as IDistributionData;
Assert.InRange(aggData1.Mean, 995.0, 1005.0);
Assert.InRange(aggData1.Max, 995.0, 1005.0);
reqData = stats.ViewManager.GetView(ViewName.Create("http.client.requests.count"));
var aggData2 = reqData.SumWithTags() as ISumDataLong;
Assert.Equal(2, aggData2.Sum);
act.Stop();
}
public void HandleExceptionEvent_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.HandleExceptionEvent(act, req);
observer.HandleExceptionEvent(act, req);
factory.CollectAllMetrics();
var timeSummary = processor.GetMetricByName <double>("http.client.request.time");
Assert.NotNull(timeSummary);
var average = timeSummary.Sum / timeSummary.Count;
Assert.InRange(average, 990.0, 1200.0);
Assert.InRange(timeSummary.Max, 990.0, 1200.0);
var countSummary = processor.GetMetricByName <long>("http.client.request.count");
Assert.Equal(2, countSummary.Count);
act.Stop();
}
