public void HttpRequestIn_PopulateSpan()
{
var tracer = GetTracer();
IObserver <KeyValuePair <string, object> > observer = new AspNetCoreDiagnosticObserver(tracer);
var context = new HostingApplication.Context {
HttpContext = GetHttpContext()
};
observer.OnNext(new KeyValuePair <string, object>("Microsoft.AspNetCore.Hosting.HttpRequestIn.Start", context));
var scope = tracer.ActiveScope;
Assert.NotNull(scope);
var span = scope.Span;
Assert.NotNull(span);
Assert.Equal("aspnet_core.request", span.OperationName);
Assert.Equal("aspnet_core", span.GetTag(Tags.InstrumentationName));
Assert.Equal(SpanTypes.Web, span.Type);
Assert.Equal("GET /home/?/action", span.ResourceName);
Assert.Equal(SpanKinds.Server, span.GetTag(Tags.SpanKind));
Assert.Equal("GET", span.GetTag(Tags.HttpMethod));
Assert.Equal("localhost", span.GetTag(Tags.HttpRequestHeadersHost));
Assert.Equal("http://localhost/home/1/action", span.GetTag(Tags.HttpUrl));
Assert.Equal(TracerConstants.Language, span.GetTag(Tags.Language));
}
public void BeforeActionEventDataIncompleteRequest()
{
const string initialSpanName = "testToForceCodePath";
var tracer = GetTracer();
using var scope = tracer.StartActive(initialSpanName);
IObserver <KeyValuePair <string, object> > observer = new AspNetCoreDiagnosticObserver(tracer, new AspNetCoreDiagnosticOptions());
var httpRequest = new Mock <HttpRequest>();
httpRequest.SetupGet(r => r.RouteValues).Returns(new RouteValueDictionary {
{ "action", "Get" }
});
httpRequest.SetupGet(r => r.Method).Returns("GET");
var httpContext = new Mock <HttpContext>();
httpContext.SetupGet(c => c.Request).Returns(httpRequest.Object);
const string finalSpanName = "api/values/{id}";
var actionDescriptor = new ActionDescriptor()
{
AttributeRouteInfo = new AttributeRouteInfo {
Template = finalSpanName
},
RouteValues = new Dictionary <string, string> {
{ "action", "Get" }
},
};
var eventData = new BeforeActionEventData(
actionDescriptor,
httpContext.Object,
new RouteData());
var span = scope.Span;
Assert.NotNull(span);
Assert.Equal(initialSpanName, span.OperationName);
observer.OnNext(new KeyValuePair <string, object>("Microsoft.AspNetCore.Mvc.BeforeAction", eventData));
httpContext.VerifyAll();
Assert.Equal(finalSpanName, span.OperationName);
Assert.True(span.Tags.TryGetValue("http.method", out var httpMethod));
Assert.Equal("GET", httpMethod);
}
public void HttpRequestIn_FilterRequest()
{
var tracer = GetTracer();
var httpContext = GetHttpContext();
var options = new AspNetCoreDiagnosticOptions();
options.IgnorePatterns.Add(h => object.ReferenceEquals(h, httpContext));
IObserver <KeyValuePair <string, object> > observer = new AspNetCoreDiagnosticObserver(tracer, options);
var context = new HostingApplication.Context {
HttpContext = httpContext
};
observer.OnNext(new KeyValuePair <string, object>("Microsoft.AspNetCore.Hosting.HttpRequestIn.Start", context));
var scope = tracer.ActiveScope;
Assert.Null(scope);
}
