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

   1 /*
   2  * Sone - IdentityChangeDetectorTest.java - Copyright © 2013–2019 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.ImmutableMap.of;
  21 import static com.google.common.collect.Lists.newArrayList;
  22 import static java.util.Arrays.asList;
  23 import static net.pterodactylus.sone.freenet.wot.Identities.createIdentity;
  24 import static org.hamcrest.MatcherAssert.assertThat;
  25 import static org.hamcrest.Matchers.containsInAnyOrder;
  26 import static org.hamcrest.Matchers.empty;
  27
  28 import java.util.Collection;
  29
  30 import net.pterodactylus.sone.freenet.wot.IdentityChangeDetector.IdentityProcessor;
  31
  32 import org.junit.Before;
  33 import org.junit.Test;
  34
  35 /**
  36  * Unit test for {@link IdentityChangeDetector}.
  37  */
  38 public class IdentityChangeDetectorTest {
  39
  40         private final IdentityChangeDetector identityChangeDetector = new IdentityChangeDetector(createOldIdentities());
  41         private final Collection<Identity> newIdentities = newArrayList();
  42         private final Collection<Identity> removedIdentities = newArrayList();
  43         private final Collection<Identity> changedIdentities = newArrayList();
  44         private final Collection<Identity> unchangedIdentities = newArrayList();
  45
  46         @Before
  47         public void setup() {
  48                 identityChangeDetector.onNewIdentity(new IdentityProcessor() {
  49                         @Override
  50                         public void processIdentity(Identity identity) {
  51                                 newIdentities.add(identity);
  52                         }
  53                 });
  54                 identityChangeDetector.onRemovedIdentity(new IdentityProcessor() {
  55                         @Override
  56                         public void processIdentity(Identity identity) {
  57                                 removedIdentities.add(identity);
  58                         }
  59                 });
  60                 identityChangeDetector.onChangedIdentity(new IdentityProcessor() {
  61                         @Override
  62                         public void processIdentity(Identity identity) {
  63                                 changedIdentities.add(identity);
  64                         }
  65                 });
  66                 identityChangeDetector.onUnchangedIdentity(new IdentityProcessor() {
  67                         @Override
  68                         public void processIdentity(Identity identity) {
  69                                 unchangedIdentities.add(identity);
  70                         }
  71                 });
  72         }
  73
  74         @Test
  75         public void noDifferencesAreDetectedWhenSendingTheOldIdentitiesAgain() {
  76                 identityChangeDetector.detectChanges(createOldIdentities());
  77                 assertThat(newIdentities, empty());
  78                 assertThat(removedIdentities, empty());
  79                 assertThat(changedIdentities, empty());
  80                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()));
  81         }
  82
  83         @Test
  84         public void detectThatAnIdentityWasRemoved() {
  85                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity3()));
  86                 assertThat(newIdentities, empty());
  87                 assertThat(removedIdentities, containsInAnyOrder(createIdentity2()));
  88                 assertThat(changedIdentities, empty());
  89                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
  90         }
  91
  92         @Test
  93         public void detectThatAnIdentityWasAdded() {
  94                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()));
  95                 assertThat(newIdentities, containsInAnyOrder(createIdentity4()));
  96                 assertThat(removedIdentities, empty());
  97                 assertThat(changedIdentities, empty());
  98                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()));
  99         }
 100
 101         @Test
 102         public void detectThatAContextWasRemoved() {
 103                 Identity identity2 = createIdentity2();
 104                 identity2.removeContext("Context C");
 105                 identityChangeDetector.detectChanges(asList(createIdentity1(), identity2, createIdentity3()));
 106                 assertThat(newIdentities, empty());
 107                 assertThat(removedIdentities, empty());
 108                 assertThat(changedIdentities, containsInAnyOrder(identity2));
 109                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
 110         }
 111
 112         @Test
 113         public void detectThatAContextWasAdded() {
 114                 Identity identity2 = createIdentity2();
 115                 identity2.addContext("Context C1");
 116                 identityChangeDetector.detectChanges(asList(createIdentity1(), identity2, createIdentity3()));
 117                 assertThat(newIdentities, empty());
 118                 assertThat(removedIdentities, empty());
 119                 assertThat(changedIdentities, containsInAnyOrder(identity2));
 120                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
 121         }
 122
 123         @Test
 124         public void detectThatAPropertyWasRemoved() {
 125                 Identity identity1 = createIdentity1();
 126                 identity1.removeProperty("Key A");
 127                 identityChangeDetector.detectChanges(asList(identity1, createIdentity2(), createIdentity3()));
 128                 assertThat(newIdentities, empty());
 129                 assertThat(removedIdentities, empty());
 130                 assertThat(changedIdentities, containsInAnyOrder(identity1));
 131                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity2(), createIdentity3()));
 132         }
 133
 134         @Test
 135         public void detectThatAPropertyWasAdded() {
 136                 Identity identity3 = createIdentity3();
 137                 identity3.setProperty("Key A", "Value A");
 138                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), identity3));
 139                 assertThat(newIdentities, empty());
 140                 assertThat(removedIdentities, empty());
 141                 assertThat(changedIdentities, containsInAnyOrder(identity3));
 142                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()));
 143         }
 144
 145         @Test
 146         public void detectThatAPropertyWasChanged() {
 147                 Identity identity3 = createIdentity3();
 148                 identity3.setProperty("Key E", "Value F");
 149                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), identity3));
 150                 assertThat(newIdentities, empty());
 151                 assertThat(removedIdentities, empty());
 152                 assertThat(changedIdentities, containsInAnyOrder(identity3));
 153                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()));
 154         }
 155
 156         @Test
 157         public void noRemovedIdentitiesAreDetectedWithoutAnIdentityProcessor() {
 158                 identityChangeDetector.onRemovedIdentity(null);
 159                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity3()));
 160         }
 161
 162         @Test
 163         public void noAddedIdentitiesAreDetectedWithoutAnIdentityProcessor() {
 164                 identityChangeDetector.onNewIdentity(null);
 165                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()));
 166         }
 167
 168         private static Collection<Identity> createOldIdentities() {
 169                 return asList(createIdentity1(), createIdentity2(), createIdentity3());
 170         }
 171
 172         private static Identity createIdentity1() {
 173                 return createIdentity("Test1", asList("Context A", "Context B"), of("Key A", "Value A", "Key B", "Value B"));
 174         }
 175
 176         private static Identity createIdentity2() {
 177                 return createIdentity("Test2", asList("Context C", "Context D"), of("Key C", "Value C", "Key D", "Value D"));
 178         }
 179
 180         private static Identity createIdentity3() {
 181                 return createIdentity("Test3", asList("Context E", "Context F"), of("Key E", "Value E", "Key F", "Value F"));
 182         }
 183
 184         private static Identity createIdentity4() {
 185                 return createIdentity("Test4", asList("Context G", "Context H"), of("Key G", "Value G", "Key H", "Value H"));
 186         }
 187
 188 }