bpmn/MSOCommonBPMN/src/test/java/org/onap/so/bpmn/servicedecomposition/SerializationTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 - 2018 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.so.bpmn.servicedecomposition;
  22
  23 import static org.junit.Assert.assertEquals;
  24
  25 import java.io.ByteArrayOutputStream;
  26 import java.io.Externalizable;
  27 import java.io.File;
  28 import java.io.IOException;
  29 import java.io.ObjectOutputStream;
  30 import java.io.OutputStream;
  31 import java.io.Serializable;
  32 import java.util.HashMap;
  33 import java.util.Map;
  34
  35 import org.camunda.bpm.engine.delegate.DelegateExecution;
  36 import org.camunda.bpm.engine.impl.pvm.runtime.ExecutionImpl;
  37 import org.junit.Test;
  38 import org.onap.so.SerializableChecker;
  39 import org.onap.so.SerializableChecker.SerializationFailure;
  40 import org.onap.so.bpmn.common.BuildingBlockExecution;
  41 import org.onap.so.bpmn.common.DelegateExecutionImpl;
  42 import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
  43 import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
  44
  45 import com.fasterxml.jackson.databind.ObjectMapper;
  46
  47 public class SerializationTest {
  48
  49         private static final String RESOURCE_PATH = "src/test/resources/__files/ExecuteBuildingBlock/";
  50         private static final String FLOW_VAR_NAME = "flowToBeCalled";
  51         private static final String LOOKUP_KEY_MAP_VAR_NAME = "lookupKeyMap";
  52         private static final String GBB_INPUT_VAR_NAME = "gBBInput";
  53         protected ObjectMapper mapper = new ObjectMapper();
  54
  55         @Test
  56         public void testSerializationOfAllPojos() throws IOException {
  57                 GeneralBuildingBlock gbb = mapper.readValue(new File(RESOURCE_PATH + "GeneralBuildingBlockExpected.json"),
  58                                 GeneralBuildingBlock.class);
  59                 Map<ResourceKey, String> lookupKeyMap = new HashMap<>();
  60                 DelegateExecution execution = new ExecutionImpl();
  61                 execution.setVariable(FLOW_VAR_NAME, "AssignServiceInstanceBB");
  62                 execution.setVariable(GBB_INPUT_VAR_NAME, gbb);
  63                 execution.setVariable(LOOKUP_KEY_MAP_VAR_NAME, lookupKeyMap);
  64                 System.out.println(execution.getVariables());
  65                 BuildingBlockExecution gBuildingBlockExecution = new DelegateExecutionImpl(execution);
  66                 boolean isSerializable = SerializationTest.isSerializable(gBuildingBlockExecution);
  67                 assertEquals(true, isSerializable);
  68         }
  69
  70         public static boolean isSerializable(final Object o)
  71     {
  72         final boolean retVal;
  73
  74         if(implementsInterface(o))
  75         {
  76             retVal = attemptToSerialize(o);
  77         }
  78         else
  79         {
  80             retVal = false;
  81         }
  82
  83         return (retVal);
  84     }
  85
  86     private static boolean implementsInterface(final Object o)
  87     {
  88         final boolean retVal;
  89
  90         retVal = ((o instanceof Serializable) || (o instanceof Externalizable));
  91
  92         return (retVal);
  93     }
  94
  95     private static boolean attemptToSerialize(final Object o)
  96     {
  97         final OutputStream sink;
  98         ObjectOutputStream stream;
  99
 100         stream = null;
 101
 102         try
 103         {
 104             sink   = new ByteArrayOutputStream();
 105             stream = new ObjectOutputStream(sink);
 106             stream.writeObject(o);
 107             // could also re-serilalize at this point too
 108         }
 109         catch(final IOException ex)
 110         {
 111             return (false);
 112         }
 113         finally
 114         {
 115             if(stream != null)
 116             {
 117                 try
 118                 {
 119                     stream.close();
 120                 }
 121                 catch(final IOException ex)
 122                 {
 123                     // should not be able to happen
 124                 }
 125             }
 126         }
 127
 128         return (true);
 129     }
 130 }