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package kamon
import _root_.spray.httpx.RequestBuilding
import _root_.spray.routing.SimpleRoutingApp
import akka.testkit.TestKit
import akka.actor.{ActorRef, ActorSystem}
import org.scalatest.WordSpecLike
import scala.concurrent.Await
import scala.concurrent.duration._
import _root_.spray.client.pipelining._
import akka.util.Timeout
import kamon.trace.Trace
import kamon.Kamon.Extension
import kamon.trace.UowTracing.{Finish, Start}
class ServerRequestTracingSpec extends TestKit(ActorSystem("server-request-tracing-spec")) with WordSpecLike with RequestBuilding {
"the spray server request tracing instrumentation" should {
"start tracing a request when entering the server and close it when responding" in new TestServer {
client(Get(s"http://127.0.0.1:$port/"))
within(5 seconds) {
val traceId = expectMsgPF() { case Start(id) => id}
expectMsgPF() { case Finish(traceId) => }
}
}
}
trait TestServer extends SimpleRoutingApp {
// Nasty, but very helpful for tests.
AkkaExtensionSwap.swap(system, Trace, new Extension {
def manager: ActorRef = testActor
})
implicit val timeout = Timeout(20 seconds)
val port: Int = Await.result(
startServer(interface = "127.0.0.1", port = 0)(
get {
complete("ok")
}
), timeout.duration).localAddress.getPort
val client = sendReceive(system, system.dispatcher, timeout)
}
}
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