champ-service/src/test/java/org/onap/champ/util/etag/TestEtagGenerator.java

   1 /**
   2  * ============LICENSE_START==========================================
   3  * org.onap.aai
   4  * ===================================================================
   5  * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
   6  * Copyright © 2017-2018 Amdocs
   7  * ===================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *     http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END============================================
  20  */
  21 package org.onap.champ.util.etag;
  22 import static org.hamcrest.CoreMatchers.is;
  23 import static org.hamcrest.CoreMatchers.not;
  24 import static org.junit.Assert.assertThat;
  25 import java.security.NoSuchAlgorithmException;
  26 import java.util.ArrayList;
  27 import java.util.HashMap;
  28 import java.util.List;
  29 import java.util.Map;
  30 import org.junit.Before;
  31 import org.junit.Test;
  32 import org.onap.aai.champcore.model.ChampObject;
  33 import org.onap.aai.champcore.model.ChampRelationship;
  34
  35 public class TestEtagGenerator {
  36
  37     private EtagGenerator etagGenerator;
  38
  39     @Before
  40     public void init() throws NoSuchAlgorithmException {
  41         etagGenerator = new EtagGenerator();
  42     }
  43
  44     @Test
  45     public void computeHashForIdenticalChampRelationshipObjects() throws Exception {
  46         // everything is same
  47         ChampObject sourceChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
  48         ChampObject targetChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
  49         ChampRelationship champRelationship11 = new ChampRelationship.Builder(sourceChampObject11, targetChampObject11, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
  50         ChampObject sourceChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
  51         ChampObject targetChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
  52         ChampRelationship champRelationship12 = new ChampRelationship.Builder(sourceChampObject12, targetChampObject12, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
  53         assertThat(etagGenerator.computeHashForChampRelationship(champRelationship11), is(etagGenerator.computeHashForChampRelationship(champRelationship12)));
  54     }
  55
  56     @Test
  57     public void computeHashForIdenticalChampRelationshipObjects1() throws Exception {
  58         // everything is same
  59         ChampObject sourceChampObject11 = new ChampObject.Builder("pserver").key("a12345").build();
  60         ChampObject targetChampObject11 = new ChampObject.Builder("pserver").key("a12345").build();
  61         ChampRelationship champRelationship11 = new ChampRelationship.Builder(sourceChampObject11, targetChampObject11, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
  62         ChampObject sourceChampObject12 = new ChampObject.Builder("pserver").key("a12345").build();
  63         ChampObject targetChampObject12 = new ChampObject.Builder("pserver").key("a12345").build();
  64         ChampRelationship champRelationship12 = new ChampRelationship.Builder(sourceChampObject12, targetChampObject12, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
  65         assertThat(etagGenerator.computeHashForChampRelationship(champRelationship11), is(etagGenerator.computeHashForChampRelationship(champRelationship12)));
  66     }
  67
  68     @Test
  69     public void computeHashForIdenticalChampRelationshipObjects2() throws Exception {
  70         // everything is same
  71         ChampObject sourceChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
  72         ChampObject targetChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
  73         ChampRelationship champRelationship11 = new ChampRelationship.Builder(sourceChampObject11, targetChampObject11, "tosca.relationships.HostedOn").key("rel123").build();
  74         ChampObject sourceChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
  75         ChampObject targetChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
  76         ChampRelationship champRelationship12 = new ChampRelationship.Builder(sourceChampObject12, targetChampObject12, "tosca.relationships.HostedOn").key("rel123").build();
  77         assertThat(etagGenerator.computeHashForChampRelationship(champRelationship11), is(etagGenerator.computeHashForChampRelationship(champRelationship12)));
  78     }
  79
  80
  81     @Test
  82     public void computeHashForChampRelationshipObjectsWithDifferentKey() throws Exception {
  83         // key is different
  84         ChampObject sourceChampObject21 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
  85         ChampObject targetChampObject21 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
  86         ChampRelationship champRelationship21 = new ChampRelationship.Builder(sourceChampObject21, targetChampObject21, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
  87         ChampObject sourceChampObject22 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
  88         ChampObject targetChampObject22 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
  89         ChampRelationship champRelationship22 = new ChampRelationship.Builder(sourceChampObject22, targetChampObject22, "tosca.relationships.HostedOn").key("rel1234").property("prop1", "value1").build();
  90         assertThat(etagGenerator.computeHashForChampRelationship(champRelationship21), not(etagGenerator.computeHashForChampRelationship(champRelationship22)));
  91     }
  92
  93     @Test
  94     public void computeHashForChampRelationshipObjectsWithDifferentRelationShip() throws Exception {
  95         // relationship is different
  96         ChampObject sourceChampObject31 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
  97         ChampObject targetChampObject31 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
  98         ChampRelationship champRelationship31 = new ChampRelationship.Builder(sourceChampObject31, targetChampObject31, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
  99         ChampObject sourceChampObject32 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 100         ChampObject targetChampObject32 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 101         ChampRelationship champRelationship32 = new ChampRelationship.Builder(sourceChampObject32, targetChampObject32, "tosca.relationships.RelatedTo").key("rel123").property("prop1", "value1").build();
 102         assertThat(etagGenerator.computeHashForChampRelationship(champRelationship31), not(etagGenerator.computeHashForChampRelationship(champRelationship32)));
 103     }
 104
 105     @Test
 106     public void computeHashForChampRelationshipObjectsWithDifferentChampObjects() throws Exception {
 107         // source/target different
 108         ChampObject sourceChampObject41 = new ChampObject.Builder("pserver").key("a123456").property("prop1", "value1").build();
 109         ChampObject targetChampObject41 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 110         ChampRelationship champRelationship41 = new ChampRelationship.Builder(sourceChampObject41, targetChampObject41, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 111         ChampObject sourceChampObject42 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 112         ChampObject targetChampObject42 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 113         ChampRelationship champRelationship42 = new ChampRelationship.Builder(sourceChampObject42, targetChampObject42, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 114         assertThat(etagGenerator.computeHashForChampRelationship(champRelationship41), not(etagGenerator.computeHashForChampRelationship(champRelationship42)));
 115     }
 116
 117     @Test
 118     public void computeHashForChampRelationshipObjectsWithDifferentProperties() throws Exception {
 119         // property different
 120         ChampObject sourceChampObject51 = new ChampObject.Builder("pserver").key("a123456").property("prop1", "value1").build();
 121         ChampObject targetChampObject51 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 122         ChampRelationship champRelationship51 = new ChampRelationship.Builder(sourceChampObject51, targetChampObject51, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 123         ChampObject sourceChampObject52 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 124         ChampObject targetChampObject52 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 125         ChampRelationship champRelationship52 = new ChampRelationship.Builder(sourceChampObject52, targetChampObject52, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 126         assertThat(etagGenerator.computeHashForChampRelationship(champRelationship51), not(etagGenerator.computeHashForChampRelationship(champRelationship52)));
 127     }
 128
 129     @Test
 130     public void testComputeHashForIdenticalChampObjects() throws Exception {
 131         ChampObject champObject1 = new ChampObject.Builder("pserver").key("a1234").property("prop1", "value1").build();
 132         ChampObject champObject2 = new ChampObject.Builder("pserver").key("a1234").property("prop1", "value1").build();
 133         assertThat(etagGenerator.computeHashForChampObject(champObject1), is(etagGenerator.computeHashForChampObject(champObject2)));
 134     }
 135
 136     @Test
 137     public void testComputeHashForEquivalentChampObjects() throws Exception {
 138         Map<String, Object> properties1 = new HashMap<>();
 139         properties1.put("prop3", "value3");
 140         properties1.put("prop1", "value1");
 141         properties1.put("prop2", "value2");
 142         properties1.put("aai-last-mod-ts", "1234");
 143         // note aai-last-mod-ts value is different
 144         Map<String, Object> properties2 = new HashMap<>();
 145         properties2.put("prop3", "value3");
 146         properties2.put("prop1", "value1");
 147         properties2.put("prop2", "value2");
 148         properties2.put("aai-last-mod-ts", "12345");
 149
 150
 151         ChampObject champObject1 = new ChampObject.Builder("pserver").key("a1234").properties(properties1).build();
 152         ChampObject champObject2 = new ChampObject.Builder("pserver").key("a1234").properties(properties2).build();
 153         assertThat(etagGenerator.computeHashForChampObject(champObject1), is(etagGenerator.computeHashForChampObject(champObject2)));
 154     }
 155
 156     @Test
 157     public void testComputeHashForChampObjectsWithDifferentProperties() throws Exception {
 158         ChampObject champObject3 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 159         ChampObject champObject4= new ChampObject.Builder("pserver").key("a12345").property("prop2", "value1").build();
 160         assertThat(etagGenerator.computeHashForChampObject(champObject3), not(etagGenerator.computeHashForChampObject(champObject4)));
 161     }
 162
 163     @Test
 164     public void testComputeHashForChampObjectsWithDifferentKey() throws Exception {
 165         ChampObject champObject5 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 166         ChampObject champObject6= new ChampObject.Builder("pserver").key("a1234").property("prop1", "value1").build();
 167         assertThat(etagGenerator.computeHashForChampObject(champObject5), not(etagGenerator.computeHashForChampObject(champObject6)));
 168     }
 169
 170     @Test
 171     public void testComputeHashForIdenticalListOfChampObjects() throws Exception {
 172         //List 1
 173         ChampObject champObject11 = new ChampObject.Builder("pserver").key("a1234").property("prop1", "value1").build();
 174         ChampObject champObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 175         List<ChampObject> champObjects1 = new ArrayList<>();
 176         champObjects1.add(champObject11);
 177         champObjects1.add(champObject12);
 178         // List 2
 179         ChampObject champObject21 = new ChampObject.Builder("pserver").key("a1234").property("prop1", "value1").build();
 180         ChampObject champObject22 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 181         List<ChampObject> champObjects2 = new ArrayList<>();
 182         champObjects2.add(champObject21);
 183         champObjects2.add(champObject22);
 184
 185         assertThat(etagGenerator.computeHashForChampObjects(champObjects1), is(etagGenerator.computeHashForChampObjects(champObjects2)));
 186     }
 187
 188     @Test
 189     public void testComputeHashForIdenticalListOfChampObjectsWithDifferentOrder() throws Exception {
 190         //List 1
 191         ChampObject champObject11 = new ChampObject.Builder("pserver").key("a1234").property("prop1", "value1").build();
 192         ChampObject champObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 193         List<ChampObject> champObjects1 = new ArrayList<>();
 194         champObjects1.add(champObject11);
 195         champObjects1.add(champObject12);
 196         // List 2
 197         ChampObject champObject21 = new ChampObject.Builder("pserver").key("a1234").property("prop1", "value1").build();
 198         ChampObject champObject22 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 199         List<ChampObject> champObjects2 = new ArrayList<>();
 200         // Different order of the items added.
 201         champObjects2.add(champObject22);
 202         champObjects2.add(champObject21);
 203
 204         assertThat(etagGenerator.computeHashForChampObjects(champObjects1), not(etagGenerator.computeHashForChampObjects(champObjects2)));
 205     }
 206
 207     @Test
 208     public void testComputeHashForDifferentListOfChampObjects() throws Exception {
 209         //List 1
 210         ChampObject champObject11 = new ChampObject.Builder("pserver").key("a1234").property("prop1", "value1").build();
 211         ChampObject champObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 212         List<ChampObject> champObjects1 = new ArrayList<>();
 213         champObjects1.add(champObject11);
 214         champObjects1.add(champObject12);
 215         // List 2
 216         ChampObject champObject21 = new ChampObject.Builder("pserver").key("a1234").property("prop1", "value1").build();
 217         ChampObject champObject22 = new ChampObject.Builder("pserver").key("a123456").property("prop2", "value2").build();
 218         List<ChampObject> champObjects2 = new ArrayList<>();
 219         champObjects2.add(champObject21);
 220         champObjects2.add(champObject22);
 221
 222         assertThat(etagGenerator.computeHashForChampObjects(champObjects1), not(etagGenerator.computeHashForChampObjects(champObjects2)));
 223     }
 224
 225     @Test
 226     public void testComputeHashForIdenticalListOfChampRelationships() throws Exception {
 227         //List 1
 228         ChampObject sourceChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 229         ChampObject targetChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 230         ChampRelationship champRelationship11 = new ChampRelationship.Builder(sourceChampObject11, targetChampObject11, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 231         ChampObject sourceChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 232         ChampObject targetChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 233         ChampRelationship champRelationship12 = new ChampRelationship.Builder(sourceChampObject12, targetChampObject12, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 234         List<ChampRelationship> champRelationships1 = new ArrayList<>();
 235         champRelationships1.add(champRelationship11);
 236         champRelationships1.add(champRelationship12);
 237         // List 2
 238         ChampObject sourceChampObject21 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 239         ChampObject targetChampObject21 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 240         ChampRelationship champRelationship21 = new ChampRelationship.Builder(sourceChampObject21, targetChampObject21, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 241         ChampObject sourceChampObject22 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 242         ChampObject targetChampObject22 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 243         ChampRelationship champRelationship22 = new ChampRelationship.Builder(sourceChampObject22, targetChampObject22, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 244         List<ChampRelationship> champRelationships2 = new ArrayList<>();
 245         champRelationships2.add(champRelationship21);
 246         champRelationships2.add(champRelationship22);
 247
 248         assertThat(etagGenerator.computeHashForChampRelationships(champRelationships1), is(etagGenerator.computeHashForChampRelationships(champRelationships2)));
 249     }
 250
 251     @Test
 252     public void testComputeHashForIdenticalListOfChampRelationships1() throws Exception {
 253         //List 1
 254         ChampObject sourceChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 255         ChampObject targetChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 256         ChampRelationship champRelationship11 = new ChampRelationship.Builder(sourceChampObject11, targetChampObject11, "tosca.relationships.HostedOn").key("rel123").build();
 257         ChampObject sourceChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 258         ChampObject targetChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 259         ChampRelationship champRelationship12 = new ChampRelationship.Builder(sourceChampObject12, targetChampObject12, "tosca.relationships.HostedOn").key("rel123").build();
 260         List<ChampRelationship> champRelationships1 = new ArrayList<>();
 261         champRelationships1.add(champRelationship11);
 262         champRelationships1.add(champRelationship12);
 263         // List 2
 264         ChampObject sourceChampObject21 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 265         ChampObject targetChampObject21 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 266         ChampRelationship champRelationship21 = new ChampRelationship.Builder(sourceChampObject21, targetChampObject21, "tosca.relationships.HostedOn").key("rel123").build();
 267         ChampObject sourceChampObject22 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 268         ChampObject targetChampObject22 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 269         ChampRelationship champRelationship22 = new ChampRelationship.Builder(sourceChampObject22, targetChampObject22, "tosca.relationships.HostedOn").key("rel123").build();
 270         List<ChampRelationship> champRelationships2 = new ArrayList<>();
 271         champRelationships2.add(champRelationship21);
 272         champRelationships2.add(champRelationship22);
 273
 274         assertThat(etagGenerator.computeHashForChampRelationships(champRelationships1), is(etagGenerator.computeHashForChampRelationships(champRelationships2)));
 275     }
 276
 277     @Test
 278     public void testComputeHashForIdenticalListOfChampRelationships2() throws Exception {
 279         //List 1
 280         ChampObject sourceChampObject11 = new ChampObject.Builder("pserver").key("a12345").build();
 281         ChampObject targetChampObject11 = new ChampObject.Builder("pserver").key("a12345").build();
 282         ChampRelationship champRelationship11 = new ChampRelationship.Builder(sourceChampObject11, targetChampObject11, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 283         ChampObject sourceChampObject12 = new ChampObject.Builder("pserver").key("a12345").build();
 284         ChampObject targetChampObject12 = new ChampObject.Builder("pserver").key("a12345").build();
 285         ChampRelationship champRelationship12 = new ChampRelationship.Builder(sourceChampObject12, targetChampObject12, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 286         List<ChampRelationship> champRelationships1 = new ArrayList<>();
 287         champRelationships1.add(champRelationship11);
 288         champRelationships1.add(champRelationship12);
 289         // List 2
 290         ChampObject sourceChampObject21 = new ChampObject.Builder("pserver").key("a12345").build();
 291         ChampObject targetChampObject21 = new ChampObject.Builder("pserver").key("a12345").build();
 292         ChampRelationship champRelationship21 = new ChampRelationship.Builder(sourceChampObject21, targetChampObject21, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 293         ChampObject sourceChampObject22 = new ChampObject.Builder("pserver").key("a12345").build();
 294         ChampObject targetChampObject22 = new ChampObject.Builder("pserver").key("a12345").build();
 295         ChampRelationship champRelationship22 = new ChampRelationship.Builder(sourceChampObject22, targetChampObject22, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 296         List<ChampRelationship> champRelationships2 = new ArrayList<>();
 297         champRelationships2.add(champRelationship21);
 298         champRelationships2.add(champRelationship22);
 299
 300         assertThat(etagGenerator.computeHashForChampRelationships(champRelationships1), is(etagGenerator.computeHashForChampRelationships(champRelationships2)));
 301     }
 302
 303     @Test
 304     public void testComputeHashForIdenticalListOfChampRelationshipsWithDifferentOrder() throws Exception {
 305
 306         ChampObject sourceChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 307         ChampObject targetChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 308         ChampRelationship champRelationship11 = new ChampRelationship.Builder(sourceChampObject11, targetChampObject11, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 309         ChampObject sourceChampObject12 = new ChampObject.Builder("pserver").key("a123456").property("prop1", "value1").build();
 310         ChampObject targetChampObject12 = new ChampObject.Builder("pserver").key("a123456").property("prop2", "value2").build();
 311         ChampRelationship champRelationship12 = new ChampRelationship.Builder(sourceChampObject12, targetChampObject12, "tosca.relationships.HostedOn").key("rel123").property("prop2", "value2").build();
 312         List<ChampRelationship> champRelationships1 = new ArrayList<>();
 313         // List 1
 314         champRelationships1.add(champRelationship11);
 315         champRelationships1.add(champRelationship12);
 316         // List 2, elements added in different order
 317         List<ChampRelationship> champRelationships2 = new ArrayList<>();
 318         champRelationships2.add(champRelationship12);
 319         champRelationships2.add(champRelationship11);
 320
 321         assertThat(etagGenerator.computeHashForChampRelationships(champRelationships1), not(etagGenerator.computeHashForChampRelationships(champRelationships2)));
 322     }
 323
 324     @Test
 325     public void testComputeHashForDifferntListOfChampRelationships() throws Exception {
 326       //List 1
 327         ChampObject sourceChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 328         ChampObject targetChampObject11 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 329         ChampRelationship champRelationship11 = new ChampRelationship.Builder(sourceChampObject11, targetChampObject11, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 330         ChampObject sourceChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop1", "value1").build();
 331         ChampObject targetChampObject12 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 332         ChampRelationship champRelationship12 = new ChampRelationship.Builder(sourceChampObject12, targetChampObject12, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 333         List<ChampRelationship> champRelationships1 = new ArrayList<>();
 334         champRelationships1.add(champRelationship11);
 335         champRelationships1.add(champRelationship12);
 336         // List 2
 337         ChampObject sourceChampObject21 = new ChampObject.Builder("pserver").key("a123456").property("prop1", "value1").build();
 338         ChampObject targetChampObject21 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 339         ChampRelationship champRelationship21 = new ChampRelationship.Builder(sourceChampObject21, targetChampObject21, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 340         ChampObject sourceChampObject22 = new ChampObject.Builder("pserver").key("a123456").property("prop1", "value1").build();
 341         ChampObject targetChampObject22 = new ChampObject.Builder("pserver").key("a12345").property("prop2", "value2").build();
 342         ChampRelationship champRelationship22 = new ChampRelationship.Builder(sourceChampObject22, targetChampObject22, "tosca.relationships.HostedOn").key("rel123").property("prop1", "value1").build();
 343         List<ChampRelationship> champRelationships2 = new ArrayList<>();
 344         champRelationships2.add(champRelationship21);
 345         champRelationships2.add(champRelationship22);
 346
 347         assertThat(etagGenerator.computeHashForChampRelationships(champRelationships1), not(etagGenerator.computeHashForChampRelationships(champRelationships2)));
 348     }
 349
 350
 351 }
 352