gerrit.onap Code Review - policy/apex-pdp.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
   4  *  Modifications Copyright (C) 2020 Nordix Foundation.
   5  * ================================================================================
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *      http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  * SPDX-License-Identifier: Apache-2.0
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.onap.policy.apex.core.infrastructure.threading;
  23
  24 import static org.awaitility.Awaitility.await;
  25 import static org.junit.Assert.assertNotNull;
  26 import static org.junit.Assert.assertTrue;
  27
  28 import java.util.ArrayList;
  29 import java.util.List;
  30 import java.util.concurrent.TimeUnit;
  31
  32 import org.junit.Test;
  33 import org.slf4j.ext.XLogger;
  34 import org.slf4j.ext.XLoggerFactory;
  35
  36 /**
  37  * The Class ThreadingTest.
  38  *
  39  * @author Liam Fallon (liam.fallon@ericsson.com)
  40  */
  41 public class ThreadingTest {
  42
  43     private static final String LOCAL_NAME = "localName";
  44     // Logger for this class
  45     private static final XLogger logger = XLoggerFactory.getXLogger(ThreadingTest.class);
  46
  47     /**
  48      * Test thread factory initialization.
  49      */
  50     @Test
  51     public void testThreadFactoryInitialization() {
  52         final ApplicationThreadFactory objUnderTest = new ApplicationThreadFactory(LOCAL_NAME, 0);
  53         assertNotNull("Failed to create ApplicationThreadFactory threadFactory0", objUnderTest);
  54         logger.debug(objUnderTest.toString());
  55         assertTrue("Failed to name ApplicationThreadFactory threadFactory0",
  56                 objUnderTest.getName().startsWith("Apex-" + LOCAL_NAME));
  57
  58         final ApplicationThreadFactory objUnderTest1 = new ApplicationThreadFactory(LOCAL_NAME, 0);
  59         assertNotNull("Failed to create ApplicationThreadFactory threadFactory1", objUnderTest1);
  60         logger.debug(objUnderTest1.toString());
  61         assertTrue("Failed to name ApplicationThreadFactory threadFactory1",
  62                 objUnderTest1.getName().startsWith("Apex-" + LOCAL_NAME));
  63
  64         testThreadFactory(objUnderTest);
  65         testThreadFactory(objUnderTest1);
  66     }
  67
  68     /**
  69      * Test thread factory.
  70      *
  71      * @param threadFactory the thread factory
  72      */
  73     private void testThreadFactory(final ApplicationThreadFactory threadFactory) {
  74         final List<ThreadingTestThread> threadList = new ArrayList<>();
  75
  76         for (int i = 0; i < 5; i++) {
  77             final ThreadingTestThread runnable = new ThreadingTestThread();
  78             threadList.add(runnable);
  79
  80             final Thread thread = threadFactory.newThread(runnable);
  81             thread.start();
  82
  83             if (i == 4) {
  84                 await().atLeast(100, TimeUnit.MILLISECONDS).until(() -> thread.isAlive());
  85             }
  86
  87         }
  88
  89         for (int i = 0; i < 5; i++) {
  90             threadList.get(i).interrupt();
  91         }
  92
  93         for (int i = 0; i < 5; i++) {
  94             ThreadingTestThread thread = threadList.get(i);
  95             assertTrue(thread.getName().startsWith("Apex-" + LOCAL_NAME));
  96             assertTrue(thread.getName().contains(":" + i));
  97             assertTrue("Thread (" + i + ") count should be greater than 0 ", thread.getCounter() > 0);
  98         }
  99     }
 100 }