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/* ===================================================
* Copyright © 2013 the kamon project <http://kamon.io/>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
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 with TestServer {
"the spray server request tracing instrumentation" should {
"trace a request start/finish sequence when proper TraceContext is received" in {
send {
Get(s"http://127.0.0.1:$port/ok")
}
within(5 seconds) {
val traceId = expectMsgPF() { case Start(id, _) => id}
expectMsgPF() { case Finish(traceId) => }
}
}
"finish a request even if no TraceContext is received in the response" in {
send {
Get(s"http://127.0.0.1:$port/clearcontext")
}
within(5 seconds) {
val traceId = expectMsgPF() { case Start(id, _) => id }
println("Expecting for trace: " + traceId)
expectMsgPF() { case Finish(traceId) => }
}
}
"give a initial transaction name using the method and path from the request" in {
send {
Get(s"http://127.0.0.1:$port/accounts")
}
within(5 seconds) {
expectMsgPF() { case Start(_, "GET: /accounts") => }
}
}
}
}
trait TestServer extends SimpleRoutingApp {
self: TestKit =>
// 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 {
path("ok") {
complete("ok")
} ~
path("clearcontext"){
complete {
println("The Context in the route is: " + Trace.context)
Trace.clear
"ok"
}
}
}
), timeout.duration).localAddress.getPort
val send = sendReceive(system, system.dispatcher, timeout)
}
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