diff options
Diffstat (limited to 'kamon-core/src/test/scala/kamon/metrics/ActorMetricsSpec.scala')
| -rw-r--r-- | kamon-core/src/test/scala/kamon/metrics/ActorMetricsSpec.scala | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/kamon-core/src/test/scala/kamon/metrics/ActorMetricsSpec.scala b/kamon-core/src/test/scala/kamon/metrics/ActorMetricsSpec.scala deleted file mode 100644 index 645ca96a..00000000 --- a/kamon-core/src/test/scala/kamon/metrics/ActorMetricsSpec.scala +++ /dev/null @@ -1,172 +0,0 @@ -/* ========================================================================================= - * 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.metrics - -import org.scalatest.{ WordSpecLike, Matchers } -import akka.testkit.{ TestProbe, TestKitBase } -import akka.actor.{ ActorRef, Actor, Props, ActorSystem } -import com.typesafe.config.ConfigFactory -import scala.concurrent.duration._ -import kamon.Kamon -import kamon.metrics.Subscriptions.TickMetricSnapshot -import kamon.metrics.ActorMetrics.ActorMetricSnapshot -import kamon.metrics.MetricSnapshot.Measurement - -class ActorMetricsSpec extends TestKitBase with WordSpecLike with Matchers { - implicit lazy val system: ActorSystem = ActorSystem("actor-metrics-spec", ConfigFactory.parseString( - """ - |kamon.metrics { - | filters = [ - | { - | actor { - | includes = [ "user/tracked-*" ] - | excludes = [ "user/tracked-explicitly-excluded"] - | } - | } - | ] - |} - """.stripMargin)) - - "the Kamon actor metrics" should { - "respect the configured include and exclude filters" in new DelayableActorFixture { - val tracked = system.actorOf(Props[DelayableActor], "tracked-actor") - val nonTracked = system.actorOf(Props[DelayableActor], "non-tracked-actor") - val trackedExplicitlyExcluded = system.actorOf(Props[DelayableActor], "tracked-explicitly-excluded") - - Kamon(Metrics).subscribe(ActorMetrics, "*", testActor, permanently = true) - expectMsgType[TickMetricSnapshot] - - tracked ! Discard - nonTracked ! Discard - trackedExplicitlyExcluded ! Discard - - within(2 seconds) { - val tickSnapshot = expectMsgType[TickMetricSnapshot] - tickSnapshot.metrics.keys should contain(ActorMetrics("user/tracked-actor")) - tickSnapshot.metrics.keys should not contain (ActorMetrics("user/non-tracked-actor")) - tickSnapshot.metrics.keys should not contain (ActorMetrics("user/tracked-explicitly-excluded")) - } - } - - "record mailbox-size, processing-time and time-in-mailbox metrics under regular conditions" in new DelayableActorFixture { - val (delayable, metricsListener) = delayableActor("tracked-normal-conditions") - - for (_ ← 1 to 10) { - delayable ! Discard - } - - val actorMetrics = expectActorMetrics("user/tracked-normal-conditions", metricsListener, 3 seconds) - actorMetrics.mailboxSize.max should be <= 10L - actorMetrics.processingTime.numberOfMeasurements should be(10L) - actorMetrics.timeInMailbox.numberOfMeasurements should be(10L) - } - - "keep a correct mailbox-size even if the actor is blocked processing a message" in new DelayableActorFixture { - val (delayable, metricsListener) = delayableActor("tracked-mailbox-size-queueing-up") - - delayable ! Delay(2500 milliseconds) - for (_ ← 1 to 9) { - delayable ! Discard - } - - // let the first snapshot pass - metricsListener.expectMsgType[TickMetricSnapshot] - - // process the tick in which the actor is stalled. - val stalledTickMetrics = expectActorMetrics("user/tracked-mailbox-size-queueing-up", metricsListener, 2 seconds) - stalledTickMetrics.mailboxSize.numberOfMeasurements should equal(30) - // only the automatic last-value recording should be taken, and includes the message being currently processed. - stalledTickMetrics.mailboxSize.measurements should contain only (Measurement(10, 30)) - stalledTickMetrics.mailboxSize.min should equal(10) - stalledTickMetrics.mailboxSize.max should equal(10) - stalledTickMetrics.processingTime.numberOfMeasurements should be(0L) - stalledTickMetrics.timeInMailbox.numberOfMeasurements should be(0L) - - // process the tick after the actor is unblocked. - val afterStallTickMetrics = expectActorMetrics("user/tracked-mailbox-size-queueing-up", metricsListener, 2 seconds) - afterStallTickMetrics.processingTime.numberOfMeasurements should be(10L) - afterStallTickMetrics.timeInMailbox.numberOfMeasurements should be(10L) - afterStallTickMetrics.processingTime.max should be(2500.milliseconds.toNanos +- 100.milliseconds.toNanos) - afterStallTickMetrics.timeInMailbox.max should be(2500.milliseconds.toNanos +- 100.milliseconds.toNanos) - } - - "track the number of errors" in new ErrorActorFixture { - val (error, metricsListener) = failedActor("tracked-errors") - - for (_ ← 1 to 5) { - error ! Error - } - - val actorMetrics = expectActorMetrics("user/tracked-errors", metricsListener, 3 seconds) - actorMetrics.errorCounter.numberOfMeasurements should be(5L) - } - } - - def expectActorMetrics(actorPath: String, listener: TestProbe, waitTime: FiniteDuration): ActorMetricSnapshot = { - val tickSnapshot = within(waitTime) { - listener.expectMsgType[TickMetricSnapshot] - } - val actorMetricsOption = tickSnapshot.metrics.get(ActorMetrics(actorPath)) - actorMetricsOption should not be empty - actorMetricsOption.get.asInstanceOf[ActorMetricSnapshot] - } - - trait DelayableActorFixture { - def delayableActor(name: String): (ActorRef, TestProbe) = { - val actor = system.actorOf(Props[DelayableActor], name) - val metricsListener = TestProbe() - - Kamon(Metrics).subscribe(ActorMetrics, "user/" + name, metricsListener.ref, permanently = true) - // Wait for one empty snapshot before proceeding to the test. - metricsListener.expectMsgType[TickMetricSnapshot] - - (actor, metricsListener) - } - } - - trait ErrorActorFixture { - def failedActor(name: String): (ActorRef, TestProbe) = { - val actor = system.actorOf(Props[FailedActor], name) - val metricsListener = TestProbe() - - Kamon(Metrics).subscribe(ActorMetrics, "user/" + name, metricsListener.ref, permanently = true) - // Wait for one empty snapshot before proceeding to the test. - metricsListener.expectMsgType[TickMetricSnapshot] - - (actor, metricsListener) - } - } -} - -class DelayableActor extends Actor { - def receive = { - case Delay(time) ⇒ Thread.sleep(time.toMillis) - case Discard ⇒ - } -} - -class FailedActor extends Actor { - def receive = { - case Error ⇒ 1 / 0 - case Discard ⇒ - } -} - -case object Discard - -case class Delay(time: FiniteDuration) - -case class Error() |