--- /dev/null
+/*
+ * Sone - IdentityChangeDetectorTest.java - Copyright © 2013 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.freenet.wot;
+
+import static com.google.common.collect.ImmutableMap.of;
+import static com.google.common.collect.Lists.newArrayList;
+import static java.util.Arrays.asList;
+import static net.pterodactylus.sone.freenet.wot.Identities.createIdentity;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.containsInAnyOrder;
+import static org.hamcrest.Matchers.empty;
+
+import java.util.Collection;
+
+import net.pterodactylus.sone.freenet.wot.IdentityChangeDetector.IdentityProcessor;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Unit test for {@link IdentityChangeDetector}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class IdentityChangeDetectorTest {
+
+ private final IdentityChangeDetector identityChangeDetector = new IdentityChangeDetector(createOldIdentities());
+ private final Collection<Identity> newIdentities = newArrayList();
+ private final Collection<Identity> removedIdentities = newArrayList();
+ private final Collection<Identity> changedIdentities = newArrayList();
+ private final Collection<Identity> unchangedIdentities = newArrayList();
+
+ @Before
+ public void setup() {
+ identityChangeDetector.onNewIdentity(new IdentityProcessor() {
+ @Override
+ public void processIdentity(Identity identity) {
+ newIdentities.add(identity);
+ }
+ });
+ identityChangeDetector.onRemovedIdentity(new IdentityProcessor() {
+ @Override
+ public void processIdentity(Identity identity) {
+ removedIdentities.add(identity);
+ }
+ });
+ identityChangeDetector.onChangedIdentity(new IdentityProcessor() {
+ @Override
+ public void processIdentity(Identity identity) {
+ changedIdentities.add(identity);
+ }
+ });
+ identityChangeDetector.onUnchangedIdentity(new IdentityProcessor() {
+ @Override
+ public void processIdentity(Identity identity) {
+ unchangedIdentities.add(identity);
+ }
+ });
+ }
+
+ @Test
+ public void noDifferencesAreDetectedWhenSendingTheOldIdentitiesAgain() {
+ identityChangeDetector.detectChanges(createOldIdentities());
+ assertThat(newIdentities, empty());
+ assertThat(removedIdentities, empty());
+ assertThat(changedIdentities, empty());
+ assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()));
+ }
+
+ @Test
+ public void detectThatAnIdentityWasRemoved() {
+ identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity3()));
+ assertThat(newIdentities, empty());
+ assertThat(removedIdentities, containsInAnyOrder(createIdentity2()));
+ assertThat(changedIdentities, empty());
+ assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
+ }
+
+ @Test
+ public void detectThatAnIdentityWasAdded() {
+ identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()));
+ assertThat(newIdentities, containsInAnyOrder(createIdentity4()));
+ assertThat(removedIdentities, empty());
+ assertThat(changedIdentities, empty());
+ assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()));
+ }
+
+ @Test
+ public void detectThatAContextWasRemoved() {
+ Identity identity2 = createIdentity2();
+ identity2.removeContext("Context C");
+ identityChangeDetector.detectChanges(asList(createIdentity1(), identity2, createIdentity3()));
+ assertThat(newIdentities, empty());
+ assertThat(removedIdentities, empty());
+ assertThat(changedIdentities, containsInAnyOrder(identity2));
+ assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
+ }
+
+ @Test
+ public void detectThatAContextWasAdded() {
+ Identity identity2 = createIdentity2();
+ identity2.addContext("Context C1");
+ identityChangeDetector.detectChanges(asList(createIdentity1(), identity2, createIdentity3()));
+ assertThat(newIdentities, empty());
+ assertThat(removedIdentities, empty());
+ assertThat(changedIdentities, containsInAnyOrder(identity2));
+ assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()));
+ }
+
+ @Test
+ public void detectThatAPropertyWasRemoved() {
+ Identity identity1 = createIdentity1();
+ identity1.removeProperty("Key A");
+ identityChangeDetector.detectChanges(asList(identity1, createIdentity2(), createIdentity3()));
+ assertThat(newIdentities, empty());
+ assertThat(removedIdentities, empty());
+ assertThat(changedIdentities, containsInAnyOrder(identity1));
+ assertThat(unchangedIdentities, containsInAnyOrder(createIdentity2(), createIdentity3()));
+ }
+
+ @Test
+ public void detectThatAPropertyWasAdded() {
+ Identity identity3 = createIdentity3();
+ identity3.setProperty("Key A", "Value A");
+ identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), identity3));
+ assertThat(newIdentities, empty());
+ assertThat(removedIdentities, empty());
+ assertThat(changedIdentities, containsInAnyOrder(identity3));
+ assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()));
+ }
+
+ @Test
+ public void detectThatAPropertyWasChanged() {
+ Identity identity3 = createIdentity3();
+ identity3.setProperty("Key E", "Value F");
+ identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), identity3));
+ assertThat(newIdentities, empty());
+ assertThat(removedIdentities, empty());
+ assertThat(changedIdentities, containsInAnyOrder(identity3));
+ assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()));
+ }
+
+ @Test
+ public void noRemovedIdentitiesAreDetectedWithoutAnIdentityProcessor() {
+ identityChangeDetector.onRemovedIdentity(null);
+ identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity3()));
+ }
+
+ @Test
+ public void noAddedIdentitiesAreDetectedWithoutAnIdentityProcessor() {
+ identityChangeDetector.onNewIdentity(null);
+ identityChangeDetector.detectChanges(asList(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()));
+ }
+
+ private static Collection<Identity> createOldIdentities() {
+ return asList(createIdentity1(), createIdentity2(), createIdentity3());
+ }
+
+ private static Identity createIdentity1() {
+ return createIdentity("Test1", asList("Context A", "Context B"), of("Key A", "Value A", "Key B", "Value B"));
+ }
+
+ private static Identity createIdentity2() {
+ return createIdentity("Test2", asList("Context C", "Context D"), of("Key C", "Value C", "Key D", "Value D"));
+ }
+
+ private static Identity createIdentity3() {
+ return createIdentity("Test3", asList("Context E", "Context F"), of("Key E", "Value E", "Key F", "Value F"));
+ }
+
+ private static Identity createIdentity4() {
+ return createIdentity("Test4", asList("Context G", "Context H"), of("Key G", "Value G", "Key H", "Value H"));
+ }
+
+}