music-core/src/test/java/org/onap/music/main/DeadlockDetectionUtilTest.java

   1 /*
   2  * ============LICENSE_START==========================================
   3  * org.onap.music
   4  * ===================================================================
   5  * Copyright (c) 2019 IBM Intellectual Property
   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  *
  19  * ============LICENSE_END=============================================
  20  * ====================================================================
  21  */
  22
  23 package org.onap.music.main;
  24
  25 import static org.junit.Assert.assertEquals;
  26
  27 import java.io.ByteArrayOutputStream;
  28 import java.io.PrintStream;
  29
  30 import org.junit.Before;
  31 import org.junit.Test;
  32 //import org.junit.experimental.runners.Enclosed;
  33 //import org.junit.runner.RunWith;
  34 import org.onap.music.main.DeadlockDetectionUtil.OwnershipType;
  35
  36 //@RunWith(Enclosed.class)
  37 public class DeadlockDetectionUtilTest {
  38         private DeadlockDetectionUtil ddu;
  39
  40         @Before
  41         public void setup() {
  42                 ddu = new DeadlockDetectionUtil();
  43         }
  44
  45         @Test
  46         public void testListAllNodes() {
  47                 ddu = new DeadlockDetectionUtil();
  48                 ddu.setExisting("r1", "o2", OwnershipType.ACQUIRED);
  49                 ddu.setExisting("r3", "o2", OwnershipType.ACQUIRED);
  50
  51                 ByteArrayOutputStream outContent = new ByteArrayOutputStream();
  52                 System.setOut(new PrintStream(outContent));
  53                 ddu.listAllNodes();
  54
  55                 /*
  56                  * String expectedOutput = "In DeadlockDetectionUtil: \n" +
  57                  * "            o2 : Node [id=o2, links=r3, visited=false, onStack=false]\n" +
  58                  * "            r3 : Node [id=r3, links=, visited=false, onStack=false]\n" +
  59                  * "            r1 : Node [id=r1, links=o2, visited=false, onStack=false]\n";
  60                  * assertEquals(expectedOutput, outContent.toString());
  61                  *
  62                  * ddu = new DeadlockDetectionUtil(); ddu.setExisting("111", "222",
  63                  * OwnershipType.CREATED); ddu.setExisting("333", "222", OwnershipType.CREATED);
  64                  * outContent = new ByteArrayOutputStream(); System.setOut(new
  65                  * PrintStream(outContent)); ddu.listAllNodes(); expectedOutput =
  66                  * "In DeadlockDetectionUtil: \n" +
  67                  * "    o222 : Node [id=o222, links=r111r333, visited=false, onStack=false]\n" +
  68                  * "    r333 : Node [id=r333, links=, visited=false, onStack=false]\n" +
  69                  * "    r111 : Node [id=r111, links=, visited=false, onStack=false]";
  70                  * assertEquals(expectedOutput, outContent.toString());
  71                  */
  72         }
  73
  74         @Test
  75         public void testcheckForDeadlock() {
  76                 ddu = new DeadlockDetectionUtil();
  77                 ddu.setExisting("111", "222", DeadlockDetectionUtil.OwnershipType.ACQUIRED);
  78                 ddu.setExisting("333", "444", DeadlockDetectionUtil.OwnershipType.ACQUIRED);
  79                 assertEquals(false, ddu.checkForDeadlock("111", "444", DeadlockDetectionUtil.OwnershipType.CREATED));
  80
  81                 ddu = new DeadlockDetectionUtil();
  82                 ddu.setExisting("111", "222", DeadlockDetectionUtil.OwnershipType.ACQUIRED);
  83                 ddu.setExisting("333", "444", DeadlockDetectionUtil.OwnershipType.ACQUIRED);
  84                 ddu.setExisting("333", "222", DeadlockDetectionUtil.OwnershipType.CREATED);
  85                 assertEquals(true, ddu.checkForDeadlock("111", "444", DeadlockDetectionUtil.OwnershipType.CREATED));
  86         }
  87 }