public void SubmitMetrics()
{
var collectorPort = TcpPortProvider.GetOpenPort();
using var collector = new MockCollector(Output, collectorPort);
const int expectedMetricRequests = 1;
var testSettings = new TestSettings
{
MetricsSettings = new MetricsSettings {
Port = collectorPort
},
EnableStartupHook = true
};
using var processResult = RunTestApplicationAndWaitForExit(testSettings);
Assert.True(processResult.ExitCode >= 0, $"Process exited with code {processResult.ExitCode} and exception: {processResult.StandardError}");
var metricRequests = collector.WaitForMetrics(expectedMetricRequests, TimeSpan.FromSeconds(5));
using (new AssertionScope())
{
metricRequests.Count.Should().Be(expectedMetricRequests);
var resourceMetrics = metricRequests.Single().ResourceMetrics.Single();
var expectedServiceNameAttribute = new KeyValue {
Key = "service.name", Value = new AnyValue {
StringValue = ServiceName
}
};
resourceMetrics.Resource.Attributes.Should().ContainEquivalentOf(expectedServiceNameAttribute);
var httpclientScope = resourceMetrics.ScopeMetrics.Single(rm => rm.Scope.Name.Equals("OpenTelemetry.Instrumentation.Http", StringComparison.OrdinalIgnoreCase));
var aspnetcoreScope = resourceMetrics.ScopeMetrics.Single(rm => rm.Scope.Name.Equals("OpenTelemetry.Instrumentation.AspNetCore", StringComparison.OrdinalIgnoreCase));
var httpClientDurationMetric = httpclientScope.Metrics.FirstOrDefault(m => m.Name.Equals("http.client.duration", StringComparison.OrdinalIgnoreCase));
var httpServerDurationMetric = aspnetcoreScope.Metrics.FirstOrDefault(m => m.Name.Equals("http.server.duration", StringComparison.OrdinalIgnoreCase));
httpClientDurationMetric.Should().NotBeNull();
httpServerDurationMetric.Should().NotBeNull();
httpClientDurationMetric.DataCase.Should().Be(Opentelemetry.Proto.Metrics.V1.Metric.DataOneofCase.Histogram);
httpServerDurationMetric.DataCase.Should().Be(Opentelemetry.Proto.Metrics.V1.Metric.DataOneofCase.Histogram);
var httpClientDurationAttributes = httpClientDurationMetric.Histogram.DataPoints.Single().Attributes;
var httpServerDurationAttributes = httpServerDurationMetric.Histogram.DataPoints.Single().Attributes;
httpClientDurationAttributes.Count.Should().Be(4);
httpClientDurationAttributes.Single(a => a.Key == "http.method").Value.StringValue.Should().Be("GET");
httpClientDurationAttributes.Single(a => a.Key == "http.scheme").Value.StringValue.Should().Be("http");
httpClientDurationAttributes.Single(a => a.Key == "http.flavor").Value.StringValue.Should().Be("1.1");
httpClientDurationAttributes.Single(a => a.Key == "http.status_code").Value.IntValue.Should().Be(200);
httpServerDurationAttributes.Count.Should().Be(5);
httpServerDurationAttributes.Single(a => a.Key == "http.method").Value.StringValue.Should().Be("GET");
httpClientDurationAttributes.Single(a => a.Key == "http.scheme").Value.StringValue.Should().Be("http");
httpClientDurationAttributes.Single(a => a.Key == "http.flavor").Value.StringValue.Should().Be("1.1");
httpServerDurationAttributes.Single(a => a.Key == "http.host").Value.StringValue.Should().StartWith("localhost");
httpClientDurationAttributes.Single(a => a.Key == "http.status_code").Value.IntValue.Should().Be(200);
}
}