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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.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()
ExecutorServiceMetrics.register("single-thread-pool", singleThreadPoolExecutor)
findExecutorRecorder("single-thread-pool") should not be empty
ExecutorServiceMetrics.remove("single-thread-pool")
findExecutorRecorder("single-thread-pool") should be(empty)
}
"register a ThreadPoolExecutor, collect their metrics and remove it" in {
val threadPoolExecutor = Executors.newCachedThreadPool()
ExecutorServiceMetrics.register("thread-pool-executor", threadPoolExecutor)
findExecutorRecorder("thread-pool-executor") should not be empty
ExecutorServiceMetrics.remove("thread-pool-executor")
findExecutorRecorder("thread-pool-executor") should be(empty)
}
"register a ScheduledThreadPoolExecutor, collect their metrics and remove it" in {
val scheduledThreadPoolExecutor = Executors.newSingleThreadScheduledExecutor()
ExecutorServiceMetrics.register("scheduled-thread-pool-executor", scheduledThreadPoolExecutor)
findExecutorRecorder("scheduled-thread-pool-executor") should not be empty
ExecutorServiceMetrics.remove("scheduled-thread-pool-executor")
findExecutorRecorder("scheduled-thread-pool-executor") should be(empty)
}
"register a Java ForkJoinPool, collect their metrics and remove it" in {
val javaForkJoinPool = Executors.newWorkStealingPool()
ExecutorServiceMetrics.register("java-fork-join-pool", javaForkJoinPool)
findExecutorRecorder("java-fork-join-pool") should not be empty
ExecutorServiceMetrics.remove("java-fork-join-pool")
findExecutorRecorder("java-fork-join-pool") should be(empty)
}
"register a Scala ForkJoinPool, collect their metrics and remove it" in {
val scalaForkJoinPool = new scala.concurrent.forkjoin.ForkJoinPool()
ExecutorServiceMetrics.register("scala-fork-join-pool", scalaForkJoinPool)
findExecutorRecorder("scala-fork-join-pool") should not be empty
ExecutorServiceMetrics.remove("scala-fork-join-pool")
findExecutorRecorder("scala-fork-join-pool") should be(empty)
}
def findExecutorRecorder(name: String): Option[EntityRecorder] =
Kamon.metrics.find(name, ExecutorServiceMetrics.Category, Map.empty)
}
}
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