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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.instrumentation.akka
import akka.actor.{ Actor, ActorLogging, Props }
import akka.event.Logging.LogEvent
import com.typesafe.config.ConfigFactory
import kamon.testkit.BaseKamonSpec
import kamon.trace.TraceLocal.AvailableToMdc
import kamon.trace.logging.MdcKeysSupport
import kamon.trace.{ Tracer, TraceContextAware, TraceLocal }
import org.scalatest.Inspectors
import org.slf4j.MDC
class ActorLoggingInstrumentationSpec extends BaseKamonSpec("actor-logging-instrumentation-spec") with Inspectors with MdcKeysSupport {
override lazy val config =
ConfigFactory.parseString(
"""
|akka {
| loggers = ["akka.event.slf4j.Slf4jLogger"]
|}
""".stripMargin)
"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 = Tracer.withContext(newContext("logging")) {
loggerActor ! "info"
Tracer.currentContext
}
fishForMessage() {
case event: LogEvent if event.message.toString startsWith "TraceContext" ⇒
val ctxInEvent = event.asInstanceOf[TraceContextAware].traceContext
ctxInEvent === testTraceContext
case event: LogEvent ⇒ false
}
}
"allow retrieve a value from the MDC when was created a key of type AvailableToMdc" in {
val testString = "Hello World"
Tracer.withContext(newContext("logging-with-mdc")) {
TraceLocal.store(AvailableToMdc("some-cool-key"))(testString)
withMdc {
MDC.get("other-key") shouldBe (null)
MDC.get("some-cool-key") should equal(testString)
}
}
}
}
override protected def afterAll(): Unit = shutdown()
}
class LoggerActor extends Actor with ActorLogging {
def receive = {
case "info" ⇒ log.info("TraceContext(name = {}, token = {})", Tracer.currentContext.name, Tracer.currentContext.token)
}
}
|
