src/test/java/net/pterodactylus/sone/freenet/wot/IdentityChangeDetectorTest.java

   1 /*
   2  * Sone - IdentityChangeDetectorTest.java - Copyright © 2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.freenet.wot;
  19
  20 import static com.google.common.collect.Lists.newArrayList;
  21 import static java.util.Arrays.asList;
  22 import static org.hamcrest.MatcherAssert.assertThat;
  23 import static org.hamcrest.Matchers.containsInAnyOrder;
  24 import static org.hamcrest.Matchers.empty;
  25
  26 import java.util.Collection;
  27 import java.util.Map;
  28
  29 import net.pterodactylus.sone.freenet.wot.IdentityChangeDetector.IdentityProcessor;
  30
  31 import com.google.common.collect.ImmutableMap;
  32 import org.junit.Before;
  33 import org.junit.Test;
  34
  35 /**
  36  * Unit test for {@link IdentityChangeDetector}.
  37  *
  38  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  39  */
  40 public class IdentityChangeDetectorTest {
  41
  42         private final IdentityChangeDetector identityChangeDetector = new IdentityChangeDetector(createOldIdentities());
  43         private final Collection<Identity> newIdentities = newArrayList();
  44         private final Collection<Identity> removedIdentities = newArrayList();
  45         private final Collection<Identity> changedIdentities = newArrayList();
  46         private final Collection<Identity> unchangedIdentities = newArrayList();
  47
  48         @Before
  49         public void setup() {
  50                 identityChangeDetector.onNewIdentity(new IdentityProcessor() {
  51                         @Override
  52                         public void processIdentity(Identity identity) {
  53                                 newIdentities.add(identity);
  54                         }
  55                 });
  56                 identityChangeDetector.onRemovedIdentity(new IdentityProcessor() {
  57                         @Override
  58                         public void processIdentity(Identity identity) {
  59                                 removedIdentities.add(identity);
  60                         }
  61                 });
  62                 identityChangeDetector.onChangedIdentity(new IdentityProcessor() {
  63                         @Override
  64                         public void processIdentity(Identity identity) {
  65                                 changedIdentities.add(identity);
  66                         }
  67                 });
  68                 identityChangeDetector.onUnchangedIdentity(new IdentityProcessor() {
  69                         @Override
  70                         public void processIdentity(Identity identity) {
  71                                 unchangedIdentities.add(identity);
  72                         }
  73                 });
  74         }
  75
  76         @Test
  77         public void noDifferencesAreDetectedWhenSendingTheOldIdentitiesAgain() {
  78                 identityChangeDetector.detectChanges(createOldIdentities());
  79                 assertThat(newIdentities, empty());
  80                 assertThat(removedIdentities, empty());
  81                 assertThat(changedIdentities, empty());
  82                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()));
  83         }
  84
  85         @Test
  86         public void detectThatAnIdentityWasRemoved() {
  87                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity3()));
  88                 assertThat(newIdentities, empty());
  89                 assertThat(removedIdentities, containsInAnyOrder(createIdentity2()));
  90                 assertThat(changedIdentities, empty());
  91                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
  92         }
  93
  94         @Test
  95         public void detectThatAnIdentityWasAdded() {
  96                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()));
  97                 assertThat(newIdentities, containsInAnyOrder(createIdentity4()));
  98                 assertThat(removedIdentities, empty());
  99                 assertThat(changedIdentities, empty());
 100                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()));
 101         }
 102
 103         @Test
 104         public void detectThatAContextWasRemoved() {
 105                 Identity identity2 = createIdentity2();
 106                 identity2.removeContext("Context C");
 107                 identityChangeDetector.detectChanges(asList(createIdentity1(), identity2, createIdentity3()));
 108                 assertThat(newIdentities, empty());
 109                 assertThat(removedIdentities, empty());
 110                 assertThat(changedIdentities, containsInAnyOrder(identity2));
 111                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
 112         }
 113
 114         @Test
 115         public void detectThatAContextWasAdded() {
 116                 Identity identity2 = createIdentity2();
 117                 identity2.addContext("Context C1");
 118                 identityChangeDetector.detectChanges(asList(createIdentity1(), identity2, createIdentity3()));
 119                 assertThat(newIdentities, empty());
 120                 assertThat(removedIdentities, empty());
 121                 assertThat(changedIdentities, containsInAnyOrder(identity2));
 122                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
 123         }
 124
 125         @Test
 126         public void detectThatAPropertyWasRemoved() {
 127                 Identity identity1 = createIdentity1();
 128                 identity1.removeProperty("Key A");
 129                 identityChangeDetector.detectChanges(asList(identity1, createIdentity2(), createIdentity3()));
 130                 assertThat(newIdentities, empty());
 131                 assertThat(removedIdentities, empty());
 132                 assertThat(changedIdentities, containsInAnyOrder(identity1));
 133                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity2(), createIdentity3()));
 134         }
 135
 136         @Test
 137         public void detectThatAPropertyWasAdded() {
 138                 Identity identity3 = createIdentity3();
 139                 identity3.setProperty("Key A", "Value A");
 140                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), identity3));
 141                 assertThat(newIdentities, empty());
 142                 assertThat(removedIdentities, empty());
 143                 assertThat(changedIdentities, containsInAnyOrder(identity3));
 144                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()));
 145         }
 146
 147         @Test
 148         public void detectThatAPropertyWasChanged() {
 149                 Identity identity3 = createIdentity3();
 150                 identity3.setProperty("Key E", "Value F");
 151                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), identity3));
 152                 assertThat(newIdentities, empty());
 153                 assertThat(removedIdentities, empty());
 154                 assertThat(changedIdentities, containsInAnyOrder(identity3));
 155                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()));
 156         }
 157
 158         private static Collection<Identity> createOldIdentities() {
 159                 return asList(createIdentity1(), createIdentity2(), createIdentity3());
 160         }
 161
 162         private static Identity createIdentity1() {
 163                 return createIdentity("Test1", asList("Context A", "Context B"), ImmutableMap.of("Key A", "Value A", "Key B", "Value B"));
 164         }
 165
 166         private static Identity createIdentity2() {
 167                 return createIdentity("Test2", asList("Context C", "Context D"), ImmutableMap.of("Key C", "Value C", "Key D", "Value D"));
 168         }
 169
 170         private static Identity createIdentity3() {
 171                 return createIdentity("Test3", asList("Context E", "Context F"), ImmutableMap.of("Key E", "Value E", "Key F", "Value F"));
 172         }
 173
 174         private static Identity createIdentity4() {
 175                 return createIdentity("Test4", asList("Context G", "Context H"), ImmutableMap.of("Key G", "Value G", "Key H", "Value H"));
 176         }
 177
 178         private static Identity createIdentity(String id, Collection<String> contexts, Map<String, String> properties) {
 179                 DefaultIdentity identity = new DefaultIdentity(id, id, id);
 180                 identity.setContexts(contexts);
 181                 identity.setProperties(properties);
 182                 return identity;
 183         }
 184
 185 }