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package kamon.trace.instrumentation
import akka.testkit.TestKit
import org.scalatest.{Inspectors, Matchers, WordSpecLike}
import akka.actor.{Props, ActorLogging, Actor, ActorSystem}
import akka.event.Logging.{LogEvent}
import kamon.trace.{ContextAware, TraceContext, Trace}
class ActorLoggingSpec extends TestKit(ActorSystem("actor-logging-spec")) with WordSpecLike with Matchers with Inspectors {
"the ActorLogging instrumentation" should {
"attach the TraceContext (if available) to log events" in {
val testTraceContext = Some(TraceContext(Actor.noSender, 1))
val loggerActor = system.actorOf(Props[LoggerActor])
system.eventStream.subscribe(testActor, classOf[LogEvent])
Trace.withContext(testTraceContext) {
loggerActor ! "info"
}
expectMsgPF() {
case event: LogEvent =>
val ctxInEvent = event.asInstanceOf[ContextAware].traceContext
ctxInEvent should equal(testTraceContext)
}
}
}
}
class LoggerActor extends Actor with ActorLogging {
def receive = {
case "info" => log.info("TraceContext => {}", Trace.context())
}
}
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