public async Task StartAsync_CreateSpanAsReference_ContextIsReferenced()
{
PrepareQueues();
var host = GetReverseStringService();
var channel = _fixture.Connection.CreateModel();
await CreateQueueForServicePublisherWithPublisherBindingFromConfig(channel);
await host.StartAsync();
var extensions = new List <ICloudEventExtension>();
var randomActivity = CreateRandomActivity();
var distributedTracingExtension = new DistributedTracingExtension();
distributedTracingExtension.SetActivity(randomActivity);
extensions.Add(distributedTracingExtension);
var motorCloudEvent = MotorCloudEvent.CreateTestCloudEvent(new byte[0], extensions: extensions);
await PublishMessageIntoQueueOfService(channel, "12345", motorCloudEvent);
var ctx = await GetActivityContextFromDestinationQueue(channel);
Assert.Equal(randomActivity.Context.TraceId, ctx.TraceId);
Assert.NotEqual(randomActivity.Context.SpanId, ctx.SpanId);
await host.StopAsync();
}
public static void SetActivity(this DistributedTracingExtension extension, Activity activity)
{
extension.TraceParent = activity.Id;
if (!string.IsNullOrWhiteSpace(activity.TraceStateString))
{
extension.TraceState = activity.TraceStateString;
}
}
public async Task PublishMessageAsync_WithConfig_BasicPropertiesAreSet()
{
var basicProperties = Mock.Of <IBasicProperties>();
var modelMock = new Mock <IModel>();
modelMock.Setup(x => x.CreateBasicProperties()).Returns(basicProperties);
var rabbitConnectionFactoryMock =
GetDefaultConnectionFactoryMock(modelMock: modelMock, basicProperties: basicProperties);
var publisher = GetPublisher(rabbitConnectionFactoryMock.Object, GetConfig());
const byte priority = 1;
var openTelemetryExtension = new DistributedTracingExtension();
var activity = new Activity(nameof(RabbitMQMessagePublisherTests));
activity.SetIdFormat(ActivityIdFormat.W3C);
activity.Start();
openTelemetryExtension.SetActivity(activity);
var motorCloudEvent = MotorCloudEvent.CreateTestCloudEvent(new byte[0],
extensions: new List <ICloudEventExtension>
{
new RabbitMQPriorityExtension(priority), openTelemetryExtension
}.ToArray());
await publisher.PublishMessageAsync(motorCloudEvent);
Assert.Equal(2, basicProperties.DeliveryMode);
Assert.Equal(priority, basicProperties.Priority);
var traceparent = Encoding.UTF8.GetString((byte[])basicProperties.Headers[$"{BasicPropertiesExtensions.CloudEventPrefix}{DistributedTracingExtension.TraceParentAttributeName}"]).Trim('"');
var activityContext = ActivityContext.Parse(traceparent, null);
Assert.Equal(activity.Context.TraceId, activityContext.TraceId);
Assert.Equal(activity.Context.SpanId, activityContext.SpanId);
Assert.Equal(activity.Context.TraceFlags, activityContext.TraceFlags);
}
public static ActivityContext GetActivityContext(this DistributedTracingExtension extension)
{
return(ActivityContext.Parse(extension.TraceParent, extension.TraceState));
}