public void CreateContextWithEnabledLoggerAndRequestIdCreatesActivityAndSetsActivityInScope()
{
// Arrange
// Generate an id we can use for the request id header (in the correct format)
var activity = new Activity("IncomingRequest");
activity.Start();
var id = activity.Id;
activity.Stop();
var logger = new LoggerWithScopes(isEnabled: true);
var hostingApplication = CreateApplication(out var features, logger: logger, configure: context =>
{
context.Request.Headers["Request-Id"] = id;
});
// Act
var context = hostingApplication.CreateContext(features);
Assert.Single(logger.Scopes);
var pairs = ((IReadOnlyList <KeyValuePair <string, object> >)logger.Scopes[0]).ToDictionary(p => p.Key, p => p.Value);
Assert.Equal(Activity.Current.Id, pairs["SpanId"].ToString());
Assert.Equal(Activity.Current.RootId, pairs["TraceId"].ToString());
Assert.Equal(id, pairs["ParentId"].ToString());
}
public void CreateContextWithEnabledLoggerCreatesActivityAndSetsActivityIdInScope()
{
// Arrange
var logger = new LoggerWithScopes(isEnabled: true);
var hostingApplication = CreateApplication(out var features, logger: logger);
// Act
var context = hostingApplication.CreateContext(features);
Assert.Single(logger.Scopes);
var pairs = ((IReadOnlyList <KeyValuePair <string, object> >)logger.Scopes[0]).ToDictionary(p => p.Key, p => p.Value);
Assert.Equal(Activity.Current.Id, pairs["ActivityId"].ToString());
}
public void ActivityStopDoesNotFireIfNoListenerAttachedForStart()
{
// Arrange
var diagnosticSource = new DiagnosticListener("DummySource");
var logger = new LoggerWithScopes(isEnabled: true);
var hostingApplication = CreateApplication(out var features, diagnosticSource: diagnosticSource, logger: logger);
var startFired = false;
var stopFired = false;
diagnosticSource.Subscribe(new CallbackDiagnosticListener(pair =>
{
// This should not fire
if (pair.Key == "Microsoft.AspNetCore.Hosting.HttpRequestIn.Start")
{
startFired = true;
}
// This should not fire
if (pair.Key == "Microsoft.AspNetCore.Hosting.HttpRequestIn.Stop")
{
stopFired = true;
}
}),
(s, o, arg3) =>
{
// The events are off
return(false);
});
// Act
var context = hostingApplication.CreateContext(features);
Assert.Single(logger.Scopes);
var pairs = ((IReadOnlyList <KeyValuePair <string, object> >)logger.Scopes[0]).ToDictionary(p => p.Key, p => p.Value);
Assert.Equal(Activity.Current.Id, pairs["ActivityId"].ToString());
hostingApplication.DisposeContext(context, exception: null);
Assert.False(startFired);
Assert.False(stopFired);
Assert.Null(Activity.Current);
}
public void ActivityStopDoesNotFireIfNoListenerAttachedForStart()
{
// Arrange
var diagnosticListener = new DiagnosticListener("DummySource");
var logger = new LoggerWithScopes(isEnabled: true);
var hostingApplication = CreateApplication(out var features, diagnosticListener: diagnosticListener, logger: logger);
var startFired = false;
var stopFired = false;
diagnosticListener.Subscribe(new CallbackDiagnosticListener(pair =>
{
// This should not fire
if (pair.Key == "Microsoft.AspNetCore.Hosting.HttpRequestIn.Start")
{
startFired = true;
}
// This should not fire
if (pair.Key == "Microsoft.AspNetCore.Hosting.HttpRequestIn.Stop")
{
stopFired = true;
}
}),
(s, o, arg3) =>
{
// The events are off
return(false);
});
// Act
var context = hostingApplication.CreateContext(features);
hostingApplication.DisposeContext(context, exception: null);
Assert.False(startFired);
Assert.False(stopFired);
Assert.Null(Activity.Current);
}
