Add tests for web of trust updater.

diff --git a/src/test/java/net/pterodactylus/sone/core/WebOfTrustUpdaterTest.java b/src/test/java/net/pterodactylus/sone/core/WebOfTrustUpdaterTest.java
index bc918e0..ff646b0 100644 (file)
--- a/src/test/java/net/pterodactylus/sone/core/WebOfTrustUpdaterTest.java
+++ b/src/test/java/net/pterodactylus/sone/core/WebOfTrustUpdaterTest.java
@@ -1,17 +1,23 @@
 package net.pterodactylus.sone.core;
 
 import static java.lang.Thread.sleep;
+import static java.util.concurrent.TimeUnit.SECONDS;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.not;
 import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.atomic.AtomicInteger;
+
 import net.pterodactylus.sone.core.WebOfTrustUpdater.AddContextJob;
 import net.pterodactylus.sone.core.WebOfTrustUpdater.RemoveContextJob;
 import net.pterodactylus.sone.core.WebOfTrustUpdater.SetPropertyJob;
@@ -26,6 +32,8 @@ import net.pterodactylus.sone.freenet.wot.WebOfTrustConnector;
 import net.pterodactylus.sone.freenet.wot.WebOfTrustException;
 
 import org.junit.Test;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
 
 /**
  * Unit test for {@link WebOfTrustUpdater} and its subclasses.
@@ -38,6 +46,7 @@ public class WebOfTrustUpdaterTest {
        private static final Integer SCORE = 50;
        private static final Integer OTHER_SCORE = 25;
        private static final String TRUST_COMMENT = "set in a test";
+       private static final String PROPERTY_NAME = "test-property";
        private final WebOfTrustConnector webOfTrustConnector = mock(WebOfTrustConnector.class);
        private final WebOfTrustUpdater webOfTrustUpdater = new WebOfTrustUpdater(webOfTrustConnector);
        private final OwnIdentity ownIdentity = when(mock(OwnIdentity.class).getId()).thenReturn("own-identity-id").getMock();
@@ -304,4 +313,167 @@ public class WebOfTrustUpdaterTest {
                assertThat(setTrustJob.toString(), containsString(trustee.getId()));
        }
 
+       @Test
+       public void webOfTrustUpdaterStopsWhenItShould() {
+               webOfTrustUpdater.stop();
+               webOfTrustUpdater.serviceRun();
+       }
+
+       @Test
+       public void webOfTrustUpdaterStopsAfterItWasStarted() {
+               webOfTrustUpdater.start();
+               webOfTrustUpdater.stop();
+       }
+
+       @Test
+       public void removePropertyRemovesProperty() throws InterruptedException, PluginException {
+               final CountDownLatch wotCallTriggered = new CountDownLatch(1);
+               doAnswer(new Answer<Void>() {
+                       @Override
+                       public Void answer(InvocationOnMock invocation) throws Throwable {
+                               wotCallTriggered.countDown();
+                               return null;
+                       }
+               }).when(webOfTrustConnector).removeProperty(eq(ownIdentity), eq(PROPERTY_NAME));
+               webOfTrustUpdater.removeProperty(ownIdentity, PROPERTY_NAME);
+               webOfTrustUpdater.start();
+               assertThat(wotCallTriggered.await(1, SECONDS), is(true));
+       }
+
+       @Test
+       public void multipleCallsToSetPropertyAreCollapsed() throws InterruptedException, PluginException {
+               final CountDownLatch wotCallTriggered = new CountDownLatch(1);
+               doAnswer(new Answer<Void>() {
+                       @Override
+                       public Void answer(InvocationOnMock invocation) throws Throwable {
+                               wotCallTriggered.countDown();
+                               return null;
+                       }
+               }).when(webOfTrustConnector).removeProperty(eq(ownIdentity), eq(PROPERTY_NAME));
+               webOfTrustUpdater.removeProperty(ownIdentity, PROPERTY_NAME);
+               webOfTrustUpdater.removeProperty(ownIdentity, PROPERTY_NAME);
+               webOfTrustUpdater.start();
+               assertThat(wotCallTriggered.await(1, SECONDS), is(true));
+               verify(webOfTrustConnector).removeProperty(eq(ownIdentity), eq(PROPERTY_NAME));
+       }
+
+       @Test
+       public void addContextWaitWaitsForTheContextToBeAdded() {
+               webOfTrustUpdater.start();
+               assertThat(webOfTrustUpdater.addContextWait(ownIdentity, CONTEXT), is(true));
+               verify(ownIdentity).addContext(eq(CONTEXT));
+       }
+
+       @Test
+       public void multipleCallsToAddContextAreCollapsed() throws InterruptedException, PluginException {
+               final AtomicInteger errorCount = new AtomicInteger();
+               final CountDownLatch addContextsFinished = new CountDownLatch(2);
+               for (int i = 1; i <= 2; i++) {
+                       /* this is so fucking volatile. */
+                       if (i > 1) {
+                               sleep(200);
+                       }
+                       new Thread(new Runnable() {
+                               public void run() {
+                                       if (!webOfTrustUpdater.addContextWait(ownIdentity, CONTEXT)) {
+                                               errorCount.incrementAndGet();
+                                       }
+                                       addContextsFinished.countDown();
+                               }
+                       }).start();
+               }
+               webOfTrustUpdater.start();
+               assertThat(addContextsFinished.await(1, SECONDS), is(true));
+               verify(ownIdentity).addContext(eq(CONTEXT));
+               assertThat(errorCount.get(), is(0));
+       }
+
+       @Test
+       public void removeContextRemovesAContext() throws InterruptedException, PluginException {
+               webOfTrustUpdater.start();
+               final CountDownLatch removeContextTrigger = new CountDownLatch(1);
+               doAnswer(new Answer<Void>() {
+                       @Override
+                       public Void answer(InvocationOnMock invocation) throws Throwable {
+                               removeContextTrigger.countDown();
+                               return null;
+                       }
+               }).when(ownIdentity).removeContext(eq(CONTEXT));
+               webOfTrustUpdater.removeContext(ownIdentity, CONTEXT);
+               removeContextTrigger.await(1, SECONDS);
+               verify(webOfTrustConnector).removeContext(eq(ownIdentity), eq(CONTEXT));
+               verify(ownIdentity).removeContext(eq(CONTEXT));
+       }
+
+       @Test
+       public void removeContextRequestsAreCoalesced() throws InterruptedException, PluginException {
+               final CountDownLatch contextRemovedTrigger = new CountDownLatch(1);
+               doAnswer(new Answer<Void>() {
+                       @Override
+                       public Void answer(InvocationOnMock invocation) throws Throwable {
+                               contextRemovedTrigger.countDown();
+                               return null;
+                       }
+               }).when(ownIdentity).removeContext(eq(CONTEXT));
+               for (int i = 1; i <= 2; i++) {
+                       /* this is so fucking volatile. */
+                       if (i > 1) {
+                               sleep(200);
+                       }
+                       new Thread(new Runnable() {
+                               public void run() {
+                                       webOfTrustUpdater.removeContext(ownIdentity, CONTEXT);
+                               }
+                       }).start();
+               }
+               webOfTrustUpdater.start();
+               assertThat(contextRemovedTrigger.await(1, SECONDS), is(true));
+               verify(webOfTrustConnector).removeContext(eq(ownIdentity), eq(CONTEXT));
+               verify(ownIdentity).removeContext(eq(CONTEXT));
+       }
+
+       @Test
+       public void setTrustSetsTrust() throws InterruptedException, PluginException {
+               final CountDownLatch trustSetTrigger =new CountDownLatch(1);
+               doAnswer(new Answer<Void>() {
+                       @Override
+                       public Void answer(InvocationOnMock invocation) throws Throwable {
+                               trustSetTrigger.countDown();
+                               return null;
+                       }
+               }).when(trustee).setTrust(eq(ownIdentity), eq(new Trust(SCORE, null, 0)));
+               webOfTrustUpdater.start();
+               webOfTrustUpdater.setTrust(ownIdentity, trustee, SCORE, TRUST_COMMENT);
+               assertThat(trustSetTrigger.await(1, SECONDS), is(true));
+               verify(trustee).setTrust(eq(ownIdentity), eq(new Trust(SCORE, null, 0)));
+               verify(webOfTrustConnector).setTrust(eq(ownIdentity), eq(trustee), eq(SCORE), eq(TRUST_COMMENT));
+       }
+
+       @Test
+       public void setTrustRequestsAreCoalesced() throws InterruptedException, PluginException {
+               final CountDownLatch trustSetTrigger = new CountDownLatch(1);
+               doAnswer(new Answer<Void>() {
+                       @Override
+                       public Void answer(InvocationOnMock invocation) throws Throwable {
+                               trustSetTrigger.countDown();
+                               return null;
+                       }
+               }).when(trustee).setTrust(eq(ownIdentity), eq(new Trust(SCORE, null, 0)));
+               for (int i = 1; i <= 2; i++) {
+                       /* this is so fucking volatile. */
+                       if (i > 1) {
+                               sleep(200);
+                       }
+                       new Thread(new Runnable() {
+                               public void run() {
+                                       webOfTrustUpdater.setTrust(ownIdentity, trustee, SCORE, TRUST_COMMENT);
+                               }
+                       }).start();
+               }
+               webOfTrustUpdater.start();
+               assertThat(trustSetTrigger.await(1, SECONDS), is(true));
+               verify(trustee).setTrust(eq(ownIdentity), eq(new Trust(SCORE, null, 0)));
+               verify(webOfTrustConnector).setTrust(eq(ownIdentity), eq(trustee), eq(SCORE), eq(TRUST_COMMENT));
+       }
+
 }