dcae-analytics-cdap-tca/src/test/java/org/onap/dcae/apod/analytics/cdap/tca/worker/BaseTCADMaaPMRWorkerTest.java

   1 /*
   2  * ===============================LICENSE_START======================================
   3  *  dcae-analytics
   4  * ================================================================================
   5  *    Copyright © 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  *  Licensed under the Apache License, Version 2.0 (the "License");
   8  *  you may not use this file except in compliance with the License.
   9  *   You may obtain a copy of the License at
  10  *
  11  *          http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  *  Unless required by applicable law or agreed to in writing, software
  14  *  distributed under the License is distributed on an "AS IS" BASIS,
  15  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  *  See the License for the specific language governing permissions and
  17  *  limitations under the License.
  18  *  ============================LICENSE_END===========================================
  19  */
  20
  21 package org.onap.dcae.apod.analytics.cdap.tca.worker;
  22
  23 import org.junit.Before;
  24 import org.junit.Test;
  25 import org.onap.dcae.apod.analytics.cdap.tca.BaseAnalyticsCDAPTCAUnitTest;
  26 import org.onap.dcae.apod.analytics.common.AnalyticsConstants;
  27 import org.quartz.Scheduler;
  28
  29 import java.util.concurrent.atomic.AtomicBoolean;
  30
  31 import static org.mockito.Mockito.doNothing;
  32 import static org.mockito.Mockito.mock;
  33 import static org.mockito.Mockito.times;
  34 import static org.mockito.Mockito.verify;
  35 import static org.mockito.Mockito.when;
  36
  37 /**
  38  * @author Rajiv Singla . Creation Date: 12/19/2016.
  39  */
  40 public class BaseTCADMaaPMRWorkerTest extends BaseAnalyticsCDAPTCAUnitTest {
  41
  42     private static final String SCHEDULER_NAME = "testSchedulerName";
  43
  44     private Scheduler mockScheduler;
  45     private AtomicBoolean mockIsSchedulerShutdown;
  46     private BaseTestTCADMaaPMRWorker baseTestTCADMaaPMRWorker;
  47
  48     private static class BaseTestTCADMaaPMRWorker extends BaseTCADMaaPMRWorker {
  49
  50         public BaseTestTCADMaaPMRWorker(final Scheduler scheduler, final AtomicBoolean isSchedulerShutdown) {
  51             this.scheduler = scheduler;
  52             this.isSchedulerShutdown = isSchedulerShutdown;
  53         }
  54
  55     }
  56
  57     @Before
  58     public void before() throws Exception {
  59         mockScheduler = mock(Scheduler.class);
  60         mockIsSchedulerShutdown = mock(AtomicBoolean.class);
  61         baseTestTCADMaaPMRWorker = new BaseTestTCADMaaPMRWorker(mockScheduler, mockIsSchedulerShutdown);
  62         when(mockScheduler.getSchedulerName()).thenReturn(SCHEDULER_NAME);
  63         doNothing().when(mockScheduler).start();
  64         doNothing().when(mockScheduler).shutdown();
  65     }
  66
  67     @Test
  68     public void testRun() throws Exception {
  69         createShutdownHookThread();
  70         baseTestTCADMaaPMRWorker.run();
  71         verify(mockScheduler, times(1)).start();
  72     }
  73
  74     @Test
  75     public void testStop() throws Exception {
  76         baseTestTCADMaaPMRWorker.stop();
  77         verify(mockScheduler, times(1)).shutdown();
  78     }
  79
  80     /**
  81      * A helper thread which shuts down the scheduler after some time
  82      */
  83     public void createShutdownHookThread() {
  84         new Thread(new Runnable() {
  85             @Override
  86             public void run() {
  87                 try {
  88                     Thread.yield();
  89                     Thread.sleep(AnalyticsConstants.TCA_DEFAULT_WORKER_SHUTDOWN_CHECK_INTERVAL_MS * 2);
  90                 } catch (InterruptedException e) {
  91                     LOG.error("Interrupted Exception while running test: {}", e);
  92                     throw new RuntimeException(e);
  93                 }
  94                 mockIsSchedulerShutdown.getAndSet(true);
  95             }
  96         }).start();
  97     }
  98
  99 }