wot/src/test/java/net/pterodactylus/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.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.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.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  * @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(newIdentities::add);
  51                 identityChangeDetector.onRemovedIdentity(removedIdentities::add);
  52                 identityChangeDetector.onChangedIdentity(changedIdentities::add);
  53                 identityChangeDetector.onUnchangedIdentity(unchangedIdentities::add);
  54         }
  55
  56         @Test
  57         public void noDifferencesAreDetectedWhenSendingTheOldIdentitiesAgain() {
  58                 identityChangeDetector.detectChanges(createOldIdentities());
  59                 assertThat(newIdentities, empty());
  60                 assertThat(removedIdentities, empty());
  61                 assertThat(changedIdentities, empty());
  62                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()));
  63         }
  64
  65         @Test
  66         public void detectThatAnIdentityWasRemoved() {
  67                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity3()));
  68                 assertThat(newIdentities, empty());
  69                 assertThat(removedIdentities, containsInAnyOrder(createIdentity2()));
  70                 assertThat(changedIdentities, empty());
  71                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
  72         }
  73
  74         @Test
  75         public void detectThatAnIdentityWasAdded() {
  76                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()));
  77                 assertThat(newIdentities, containsInAnyOrder(createIdentity4()));
  78                 assertThat(removedIdentities, empty());
  79                 assertThat(changedIdentities, empty());
  80                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()));
  81         }
  82
  83         @Test
  84         public void detectThatAContextWasRemoved() {
  85                 Identity identity2 = createIdentity2();
  86                 identity2.removeContext("Context C");
  87                 identityChangeDetector.detectChanges(asList(createIdentity1(), identity2, createIdentity3()));
  88                 assertThat(newIdentities, empty());
  89                 assertThat(removedIdentities, empty());
  90                 assertThat(changedIdentities, containsInAnyOrder(identity2));
  91                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
  92         }
  93
  94         @Test
  95         public void detectThatAContextWasAdded() {
  96                 Identity identity2 = createIdentity2();
  97                 identity2.addContext("Context C1");
  98                 identityChangeDetector.detectChanges(asList(createIdentity1(), identity2, createIdentity3()));
  99                 assertThat(newIdentities, empty());
 100                 assertThat(removedIdentities, empty());
 101                 assertThat(changedIdentities, containsInAnyOrder(identity2));
 102                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
 103         }
 104
 105         @Test
 106         public void detectThatAPropertyWasRemoved() {
 107                 Identity identity1 = createIdentity1();
 108                 identity1.removeProperty("Key A");
 109                 identityChangeDetector.detectChanges(asList(identity1, createIdentity2(), createIdentity3()));
 110                 assertThat(newIdentities, empty());
 111                 assertThat(removedIdentities, empty());
 112                 assertThat(changedIdentities, containsInAnyOrder(identity1));
 113                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity2(), createIdentity3()));
 114         }
 115
 116         @Test
 117         public void detectThatAPropertyWasAdded() {
 118                 Identity identity3 = createIdentity3();
 119                 identity3.setProperty("Key A", "Value A");
 120                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), identity3));
 121                 assertThat(newIdentities, empty());
 122                 assertThat(removedIdentities, empty());
 123                 assertThat(changedIdentities, containsInAnyOrder(identity3));
 124                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()));
 125         }
 126
 127         @Test
 128         public void detectThatAPropertyWasChanged() {
 129                 Identity identity3 = createIdentity3();
 130                 identity3.setProperty("Key E", "Value F");
 131                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), identity3));
 132                 assertThat(newIdentities, empty());
 133                 assertThat(removedIdentities, empty());
 134                 assertThat(changedIdentities, containsInAnyOrder(identity3));
 135                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()));
 136         }
 137
 138         @Test
 139         public void noRemovedIdentitiesAreDetectedWithoutAnIdentityProcessor() {
 140                 identityChangeDetector.onRemovedIdentity(null);
 141                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity3()));
 142         }
 143
 144         @Test
 145         public void noAddedIdentitiesAreDetectedWithoutAnIdentityProcessor() {
 146                 identityChangeDetector.onNewIdentity(null);
 147                 identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()));
 148         }
 149
 150         private static Collection<Identity> createOldIdentities() {
 151                 return asList(createIdentity1(), createIdentity2(), createIdentity3());
 152         }
 153
 154         private static Identity createIdentity1() {
 155                 return createIdentity("Test1", asList("Context A", "Context B"), of("Key A", "Value A", "Key B", "Value B"));
 156         }
 157
 158         private static Identity createIdentity2() {
 159                 return createIdentity("Test2", asList("Context C", "Context D"), of("Key C", "Value C", "Key D", "Value D"));
 160         }
 161
 162         private static Identity createIdentity3() {
 163                 return createIdentity("Test3", asList("Context E", "Context F"), of("Key E", "Value E", "Key F", "Value F"));
 164         }
 165
 166         private static Identity createIdentity4() {
 167                 return createIdentity("Test4", asList("Context G", "Context H"), of("Key G", "Value G", "Key H", "Value H"));
 168         }
 169
 170 }