core/core-infrastructure/src/test/java/org/onap/policy/apex/core/infrastructure/threading/ThreadingTest.java

   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.junit.Assert.assertNotNull;
  25 import static org.junit.Assert.assertTrue;
  26
  27 import java.util.ArrayList;
  28 import java.util.List;
  29 import org.junit.Test;
  30 import org.slf4j.ext.XLogger;
  31 import org.slf4j.ext.XLoggerFactory;
  32
  33 /**
  34  * The Class ThreadingTest.
  35  *
  36  * @author Liam Fallon (liam.fallon@ericsson.com)
  37  */
  38 public class ThreadingTest {
  39
  40     private static final String LOCAL_NAME = "localName";
  41     // Logger for this class
  42     private static final XLogger logger = XLoggerFactory.getXLogger(ThreadingTest.class);
  43
  44     /**
  45      * Test thread factory initialization.
  46      */
  47     @Test
  48     public void testThreadFactoryInitialization() {
  49         final ApplicationThreadFactory objUnderTest = new ApplicationThreadFactory(LOCAL_NAME, 0);
  50         assertNotNull("Failed to create ApplicationThreadFactory threadFactory0", objUnderTest);
  51         logger.debug(objUnderTest.toString());
  52         assertTrue("Failed to name ApplicationThreadFactory threadFactory0",
  53                 objUnderTest.getName().startsWith("Apex-" + LOCAL_NAME));
  54
  55         final ApplicationThreadFactory objUnderTest1 = new ApplicationThreadFactory(LOCAL_NAME, 0);
  56         assertNotNull("Failed to create ApplicationThreadFactory threadFactory1", objUnderTest1);
  57         logger.debug(objUnderTest1.toString());
  58         assertTrue("Failed to name ApplicationThreadFactory threadFactory1",
  59                 objUnderTest1.getName().startsWith("Apex-" + LOCAL_NAME));
  60
  61         testThreadFactory(objUnderTest);
  62         testThreadFactory(objUnderTest1);
  63     }
  64
  65     /**
  66      * Test thread factory.
  67      *
  68      * @param threadFactory the thread factory
  69      */
  70     private void testThreadFactory(final ApplicationThreadFactory threadFactory) {
  71         final List<Thread> threadList = new ArrayList<>();
  72
  73         for (int i = 0; i < 5; i++) {
  74             final Thread thread = threadFactory.newThread(() -> {
  75             });
  76             threadList.add(thread);
  77             thread.start();
  78         }
  79
  80         for (int i = 0; i < 5; i++) {
  81             Thread thread = threadList.get(i);
  82             assertTrue(thread.getName().startsWith("Apex-" + LOCAL_NAME));
  83             assertTrue(thread.getName().contains(":" + i));
  84         }
  85     }
  86 }