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/*
* =========================================================================================
* Copyright © 2013-2015 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.util.executors
import java.util.concurrent.Executors
import kamon.Kamon
import kamon.metric.{ Entity, EntityRecorder }
import kamon.testkit.BaseKamonSpec
class ExecutorServiceMetricsSpec extends BaseKamonSpec("executor-service-metrics-spec") {
"the ExecutorServiceMetrics" should {
"register a SingleThreadPool, collect their metrics and remove it" in {
val singleThreadPoolExecutor = Executors.newSingleThreadExecutor()
val singleThreadPoolExecutorEntity = ExecutorServiceMetrics.register("single-thread-pool", singleThreadPoolExecutor)
findExecutorRecorder(singleThreadPoolExecutorEntity) should not be empty
ExecutorServiceMetrics.remove(singleThreadPoolExecutorEntity)
findExecutorRecorder(singleThreadPoolExecutorEntity) should be(empty)
}
"register a ThreadPoolExecutor, collect their metrics and remove it" in {
val threadPoolExecutor = Executors.newCachedThreadPool()
val threadPoolExecutorEntity = ExecutorServiceMetrics.register("thread-pool-executor", threadPoolExecutor)
findExecutorRecorder(threadPoolExecutorEntity) should not be empty
ExecutorServiceMetrics.remove(threadPoolExecutorEntity)
findExecutorRecorder(threadPoolExecutorEntity) should be(empty)
}
"register a ScheduledThreadPoolExecutor, collect their metrics and remove it" in {
val scheduledThreadPoolExecutor = Executors.newSingleThreadScheduledExecutor()
val scheduledThreadPoolEntity = ExecutorServiceMetrics.register("scheduled-thread-pool-executor", scheduledThreadPoolExecutor)
findExecutorRecorder(scheduledThreadPoolEntity) should not be empty
ExecutorServiceMetrics.remove(scheduledThreadPoolEntity)
findExecutorRecorder(scheduledThreadPoolEntity) should be(empty)
}
"register a Java ForkJoinPool, collect their metrics and remove it" in {
val javaForkJoinPool = Executors.newWorkStealingPool()
val javaForkJoinPoolEntity = ExecutorServiceMetrics.register("java-fork-join-pool", javaForkJoinPool)
findExecutorRecorder(javaForkJoinPoolEntity) should not be empty
ExecutorServiceMetrics.remove(javaForkJoinPoolEntity)
findExecutorRecorder(javaForkJoinPoolEntity) should be(empty)
}
"register a Scala ForkJoinPool, collect their metrics and remove it" in {
val scalaForkJoinPool = new scala.concurrent.forkjoin.ForkJoinPool()
val scalaForkJoinPoolEntity = ExecutorServiceMetrics.register("scala-fork-join-pool", scalaForkJoinPool)
findExecutorRecorder(scalaForkJoinPoolEntity) should not be empty
ExecutorServiceMetrics.remove(scalaForkJoinPoolEntity)
findExecutorRecorder(scalaForkJoinPoolEntity) should be(empty)
}
def findExecutorRecorder(entity: Entity): Option[EntityRecorder] = Kamon.metrics.find(entity)
}
}
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