| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.druid.query; |
| |
| import com.google.common.util.concurrent.ListeningExecutorService; |
| import org.apache.druid.java.util.emitter.core.Emitter; |
| import org.apache.druid.java.util.emitter.core.Event; |
| import org.apache.druid.java.util.emitter.service.ServiceEmitter; |
| import org.apache.druid.java.util.emitter.service.ServiceMetricEvent; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class MetricsEmittingQueryProcessingPoolTest |
| { |
| @Test |
| public void testPrioritizedExecutorDelegate() |
| { |
| PrioritizedExecutorService service = Mockito.mock(PrioritizedExecutorService.class); |
| Mockito.when(service.getQueueSize()).thenReturn(10); |
| ExecutorServiceMonitor monitor = new ExecutorServiceMonitor(); |
| List<Event> events = new ArrayList<>(); |
| MetricsEmittingQueryProcessingPool processingPool = new MetricsEmittingQueryProcessingPool(service, monitor); |
| Assert.assertSame(service, processingPool.delegate()); |
| |
| ServiceEmitter serviceEmitter = new ServiceEmitter("service", "host", Mockito.mock(Emitter.class)) |
| { |
| @Override |
| public void emit(Event event) |
| { |
| events.add(event); |
| } |
| }; |
| monitor.doMonitor(serviceEmitter); |
| Assert.assertEquals(1, events.size()); |
| Assert.assertEquals(((ServiceMetricEvent) (events.get(0))).getMetric(), "segment/scan/pending"); |
| Assert.assertEquals(((ServiceMetricEvent) (events.get(0))).getValue(), 10); |
| } |
| |
| @Test |
| public void testNonPrioritizedExecutorDelegate() |
| { |
| ListeningExecutorService service = Mockito.mock(ListeningExecutorService.class); |
| ExecutorServiceMonitor monitor = new ExecutorServiceMonitor(); |
| MetricsEmittingQueryProcessingPool processingPool = new MetricsEmittingQueryProcessingPool(service, monitor); |
| Assert.assertSame(service, processingPool.delegate()); |
| |
| ServiceEmitter serviceEmitter = Mockito.mock(ServiceEmitter.class); |
| monitor.doMonitor(serviceEmitter); |
| Mockito.verifyNoInteractions(serviceEmitter); |
| } |
| } |