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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.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.{ TraceContextAware, TraceRecorder }
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 loggerActor = system.actorOf(Props[LoggerActor])
system.eventStream.subscribe(testActor, classOf[LogEvent])
val testTraceContext = TraceRecorder.withNewTraceContext("logging") {
loggerActor ! "info"
TraceRecorder.currentContext
}
fishForMessage() {
case event: LogEvent if event.message.toString contains "TraceContext =>" ⇒
val ctxInEvent = event.asInstanceOf[TraceContextAware].traceContext
ctxInEvent === testTraceContext
case event: LogEvent ⇒ false
}
}
}
}
class LoggerActor extends Actor with ActorLogging {
def receive = {
case "info" ⇒ log.info("TraceContext => {}", TraceRecorder.currentContext)
}
}
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