Implement notification on USK update
[jFCPlib.git] / src / test / java / net / pterodactylus / fcp / quelaton / DefaultFcpClientTest.java
index f26fff4..a93c229 100644 (file)
@@ -1,38 +1,66 @@
 package net.pterodactylus.fcp.quelaton;
 
 import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.allOf;
+import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.containsInAnyOrder;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hamcrest.Matchers.hasSize;
 import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.not;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.hamcrest.Matchers.startsWith;
 
 import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.IOException;
+import java.net.URL;
 import java.nio.charset.StandardCharsets;
+import java.util.Collection;
 import java.util.List;
 import java.util.Optional;
+import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.Supplier;
+import java.util.stream.Collectors;
 
+import net.pterodactylus.fcp.ARK;
+import net.pterodactylus.fcp.ConfigData;
+import net.pterodactylus.fcp.DSAGroup;
 import net.pterodactylus.fcp.FcpKeyPair;
 import net.pterodactylus.fcp.Key;
+import net.pterodactylus.fcp.NodeData;
+import net.pterodactylus.fcp.NodeRef;
+import net.pterodactylus.fcp.Peer;
+import net.pterodactylus.fcp.PeerNote;
+import net.pterodactylus.fcp.PluginInfo;
 import net.pterodactylus.fcp.Priority;
 import net.pterodactylus.fcp.fake.FakeTcpServer;
 import net.pterodactylus.fcp.quelaton.ClientGetCommand.Data;
 
 import com.google.common.io.ByteStreams;
 import com.google.common.io.Files;
+import com.nitorcreations.junit.runners.NestedRunner;
 import org.hamcrest.Description;
 import org.hamcrest.Matcher;
 import org.hamcrest.TypeSafeDiagnosingMatcher;
 import org.junit.After;
+import org.junit.Assert;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 
 /**
  * Unit test for {@link DefaultFcpClient}.
  *
  * @author <a href="bombe@freenetproject.org">David ‘Bombe’ Roden</a>
  */
+@RunWith(NestedRunner.class)
 public class DefaultFcpClientTest {
 
        private static final String INSERT_URI =
@@ -40,7 +68,7 @@ public class DefaultFcpClientTest {
        private static final String REQUEST_URI =
                "SSK@wtbgd2loNcJCXvtQVOftl2tuWBomDQHfqS6ytpPRhfw,7SHH53gletBVb9JD7nBsyClbLQsBubDPEIcwg908r7Y,AQACAAE/";
 
-       private static int threadCounter = 0;
+       private int threadCounter = 0;
        private final ExecutorService threadPool =
                Executors.newCachedThreadPool(r -> new Thread(r, "Test-Thread-" + threadCounter++));
        private final FakeTcpServer fcpServer;
@@ -48,23 +76,48 @@ public class DefaultFcpClientTest {
 
        public DefaultFcpClientTest() throws IOException {
                fcpServer = new FakeTcpServer(threadPool);
-               fcpClient = new DefaultFcpClient(threadPool, "localhost", fcpServer.getPort(), () -> "Test", () -> "2.0");
+               fcpClient = new DefaultFcpClient(threadPool, "localhost", fcpServer.getPort(), () -> "Test");
        }
 
        @After
        public void tearDown() throws IOException {
                fcpServer.close();
+               threadPool.shutdown();
+       }
+
+       @Test(expected = ExecutionException.class)
+       public void defaultFcpClientThrowsExceptionIfItCanNotConnect()
+       throws IOException, ExecutionException, InterruptedException {
+               Future<FcpKeyPair> keyPairFuture = fcpClient.generateKeypair().execute();
+               fcpServer.connect().get();
+               fcpServer.collectUntil(is("EndMessage"));
+               fcpServer.writeLine(
+                       "CloseConnectionDuplicateClientName",
+                       "EndMessage"
+               );
+               keyPairFuture.get();
+       }
+
+       @Test(expected = ExecutionException.class)
+       public void defaultFcpClientThrowsExceptionIfConnectionIsClosed()
+       throws IOException, ExecutionException, InterruptedException {
+               Future<FcpKeyPair> keyPairFuture = fcpClient.generateKeypair().execute();
+               fcpServer.connect().get();
+               fcpServer.collectUntil(is("EndMessage"));
+               fcpServer.close();
+               keyPairFuture.get();
        }
 
        @Test
        public void defaultFcpClientCanGenerateKeypair() throws ExecutionException, InterruptedException, IOException {
                Future<FcpKeyPair> keyPairFuture = fcpClient.generateKeypair().execute();
                connectNode();
-               fcpServer.collectUntil(is("EndMessage"));
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
                fcpServer.writeLine("SSKKeypair",
                        "InsertURI=" + INSERT_URI + "",
                        "RequestURI=" + REQUEST_URI + "",
-                       "Identifier=My Identifier from GenerateSSK",
+                       "Identifier=" + identifier,
                        "EndMessage");
                FcpKeyPair keyPair = keyPairFuture.get();
                assertThat(keyPair.getPublicKey(), is(REQUEST_URI));
@@ -92,7 +145,7 @@ public class DefaultFcpClientTest {
 
        @Test
        public void clientGetCanDownloadData() throws InterruptedException, ExecutionException, IOException {
-               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt");
+               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "ReturnType=direct", "URI=KSK@foo.txt"));
@@ -125,7 +178,7 @@ public class DefaultFcpClientTest {
        @Test
        public void clientGetDownloadsDataForCorrectIdentifier()
        throws InterruptedException, ExecutionException, IOException {
-               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt");
+               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt"));
@@ -159,7 +212,7 @@ public class DefaultFcpClientTest {
 
        @Test
        public void clientGetRecognizesGetFailed() throws InterruptedException, ExecutionException, IOException {
-               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt");
+               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt"));
@@ -177,7 +230,7 @@ public class DefaultFcpClientTest {
        @Test
        public void clientGetRecognizesGetFailedForCorrectIdentifier()
        throws InterruptedException, ExecutionException, IOException {
-               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt");
+               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt"));
@@ -198,21 +251,73 @@ public class DefaultFcpClientTest {
                assertThat(data.isPresent(), is(false));
        }
 
-       @Test
+       @Test(expected = ExecutionException.class)
        public void clientGetRecognizesConnectionClosed() throws InterruptedException, ExecutionException, IOException {
-               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt");
+               Future<Optional<Data>> dataFuture = fcpClient.clientGet().uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt"));
                fcpServer.close();
-               Optional<Data> data = dataFuture.get();
-               assertThat(data.isPresent(), is(false));
+               dataFuture.get();
+       }
+
+       @Test
+       public void defaultFcpClientReusesConnection() throws InterruptedException, ExecutionException, IOException {
+               Future<FcpKeyPair> keyPair = fcpClient.generateKeypair().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "SSKKeypair",
+                       "InsertURI=" + INSERT_URI + "",
+                       "RequestURI=" + REQUEST_URI + "",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               keyPair.get();
+               keyPair = fcpClient.generateKeypair().execute();
+               lines = fcpServer.collectUntil(is("EndMessage"));
+               identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "SSKKeypair",
+                       "InsertURI=" + INSERT_URI + "",
+                       "RequestURI=" + REQUEST_URI + "",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               keyPair.get();
+       }
+
+       @Test
+       public void defaultFcpClientCanReconnectAfterConnectionHasBeenClosed()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<FcpKeyPair> keyPair = fcpClient.generateKeypair().execute();
+               connectNode();
+               fcpServer.collectUntil(is("EndMessage"));
+               fcpServer.close();
+               try {
+                       keyPair.get();
+                       Assert.fail();
+               } catch (ExecutionException e) {
+               }
+               keyPair = fcpClient.generateKeypair().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "SSKKeypair",
+                       "InsertURI=" + INSERT_URI + "",
+                       "RequestURI=" + REQUEST_URI + "",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               keyPair.get();
        }
 
        @Test
        public void clientGetWithIgnoreDataStoreSettingSendsCorrectCommands()
        throws InterruptedException, ExecutionException, IOException {
-               fcpClient.clientGet().ignoreDataStore().uri("KSK@foo.txt");
+               fcpClient.clientGet().ignoreDataStore().uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt", "IgnoreDS=true"));
@@ -221,7 +326,7 @@ public class DefaultFcpClientTest {
        @Test
        public void clientGetWithDataStoreOnlySettingSendsCorrectCommands()
        throws InterruptedException, ExecutionException, IOException {
-               fcpClient.clientGet().dataStoreOnly().uri("KSK@foo.txt");
+               fcpClient.clientGet().dataStoreOnly().uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt", "DSonly=true"));
@@ -230,7 +335,7 @@ public class DefaultFcpClientTest {
        @Test
        public void clientGetWithMaxSizeSettingSendsCorrectCommands()
        throws InterruptedException, ExecutionException, IOException {
-               fcpClient.clientGet().maxSize(1048576).uri("KSK@foo.txt");
+               fcpClient.clientGet().maxSize(1048576).uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt", "MaxSize=1048576"));
@@ -239,7 +344,7 @@ public class DefaultFcpClientTest {
        @Test
        public void clientGetWithPrioritySettingSendsCorrectCommands()
        throws InterruptedException, ExecutionException, IOException {
-               fcpClient.clientGet().priority(Priority.interactive).uri("KSK@foo.txt");
+               fcpClient.clientGet().priority(Priority.interactive).uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt", "PriorityClass=1"));
@@ -248,7 +353,7 @@ public class DefaultFcpClientTest {
        @Test
        public void clientGetWithRealTimeSettingSendsCorrectCommands()
        throws InterruptedException, ExecutionException, IOException {
-               fcpClient.clientGet().realTime().uri("KSK@foo.txt");
+               fcpClient.clientGet().realTime().uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt", "RealTimeFlag=true"));
@@ -257,7 +362,7 @@ public class DefaultFcpClientTest {
        @Test
        public void clientGetWithGlobalSettingSendsCorrectCommands()
        throws InterruptedException, ExecutionException, IOException {
-               fcpClient.clientGet().global().uri("KSK@foo.txt");
+               fcpClient.clientGet().global().uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines, matchesFcpMessage("ClientGet", "URI=KSK@foo.txt", "Global=true"));
@@ -294,7 +399,8 @@ public class DefaultFcpClientTest {
                fcpClient.clientPut()
                        .from(new ByteArrayInputStream("Hello\n".getBytes()))
                        .length(6)
-                       .key(new Key("KSK@foo.txt"));
+                       .uri("KSK@foo.txt")
+                       .execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("Hello"));
                assertThat(lines, matchesFcpMessage("ClientPut", "UploadFrom=direct", "DataLength=6", "URI=KSK@foo.txt"));
@@ -306,7 +412,8 @@ public class DefaultFcpClientTest {
                Future<Optional<Key>> key = fcpClient.clientPut()
                        .from(new ByteArrayInputStream("Hello\n".getBytes()))
                        .length(6)
-                       .key(new Key("KSK@foo.txt"));
+                       .uri("KSK@foo.txt")
+                       .execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("Hello"));
                String identifier = extractIdentifier(lines);
@@ -330,7 +437,8 @@ public class DefaultFcpClientTest {
                Future<Optional<Key>> key = fcpClient.clientPut()
                        .from(new ByteArrayInputStream("Hello\n".getBytes()))
                        .length(6)
-                       .key(new Key("KSK@foo.txt"));
+                       .uri("KSK@foo.txt")
+                       .execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("Hello"));
                String identifier = extractIdentifier(lines);
@@ -355,7 +463,8 @@ public class DefaultFcpClientTest {
                        .named("otherName.txt")
                        .from(new ByteArrayInputStream("Hello\n".getBytes()))
                        .length(6)
-                       .key(new Key("KSK@foo.txt"));
+                       .uri("KSK@foo.txt")
+                       .execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("Hello"));
                assertThat(lines, matchesFcpMessage("ClientPut", "TargetFilename=otherName.txt", "UploadFrom=direct",
@@ -365,7 +474,7 @@ public class DefaultFcpClientTest {
        @Test
        public void clientPutWithRedirectSendsCorrectCommand()
        throws IOException, ExecutionException, InterruptedException {
-               fcpClient.clientPut().redirectTo(new Key("KSK@bar.txt")).key(new Key("KSK@foo.txt"));
+               fcpClient.clientPut().redirectTo("KSK@bar.txt").uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines,
@@ -374,7 +483,7 @@ public class DefaultFcpClientTest {
 
        @Test
        public void clientPutWithFileSendsCorrectCommand() throws InterruptedException, ExecutionException, IOException {
-               fcpClient.clientPut().from(new File("/tmp/data.txt")).key(new Key("KSK@foo.txt"));
+               fcpClient.clientPut().from(new File("/tmp/data.txt")).uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                assertThat(lines,
@@ -385,7 +494,7 @@ public class DefaultFcpClientTest {
        public void clientPutWithFileCanCompleteTestDdaSequence()
        throws IOException, ExecutionException, InterruptedException {
                File tempFile = createTempFile();
-               fcpClient.clientPut().from(new File(tempFile.getParent(), "test.dat")).key(new Key("KSK@foo.txt"));
+               fcpClient.clientPut().from(new File(tempFile.getParent(), "test.dat")).uri("KSK@foo.txt").execute();
                connectNode();
                List<String> lines = fcpServer.collectUntil(is("EndMessage"));
                String identifier = extractIdentifier(lines);
@@ -435,4 +544,1790 @@ public class DefaultFcpClientTest {
                return tempFile;
        }
 
+       @Test
+       public void clientPutDoesNotReactToProtocolErrorForDifferentIdentifier()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Key>> key = fcpClient.clientPut().from(new File("/tmp/data.txt")).uri("KSK@foo.txt").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "ProtocolError",
+                       "Identifier=not-the-right-one",
+                       "Code=25",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "PutSuccessful",
+                       "Identifier=" + identifier,
+                       "URI=KSK@foo.txt",
+                       "EndMessage"
+               );
+               assertThat(key.get().get().getKey(), is("KSK@foo.txt"));
+       }
+
+       @Test
+       public void clientPutAbortsOnProtocolErrorOtherThan25()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Key>> key = fcpClient.clientPut().from(new File("/tmp/data.txt")).uri("KSK@foo.txt").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "ProtocolError",
+                       "Identifier=" + identifier,
+                       "Code=1",
+                       "EndMessage"
+               );
+               assertThat(key.get().isPresent(), is(false));
+       }
+
+       @Test
+       public void clientPutDoesNotReplyToWrongTestDdaReply() throws IOException, ExecutionException,
+       InterruptedException {
+               File tempFile = createTempFile();
+               fcpClient.clientPut().from(new File(tempFile.getParent(), "test.dat")).uri("KSK@foo.txt").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "ProtocolError",
+                       "Identifier=" + identifier,
+                       "Code=25",
+                       "EndMessage"
+               );
+               lines = fcpServer.collectUntil(is("EndMessage"));
+               assertThat(lines, matchesFcpMessage(
+                       "TestDDARequest",
+                       "Directory=" + tempFile.getParent(),
+                       "WantReadDirectory=true",
+                       "WantWriteDirectory=false",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "TestDDAReply",
+                       "Directory=/some-other-directory",
+                       "ReadFilename=" + tempFile,
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "TestDDAReply",
+                       "Directory=" + tempFile.getParent(),
+                       "ReadFilename=" + tempFile,
+                       "EndMessage"
+               );
+               lines = fcpServer.collectUntil(is("EndMessage"));
+               assertThat(lines, matchesFcpMessage(
+                       "TestDDAResponse",
+                       "Directory=" + tempFile.getParent(),
+                       "ReadContent=test-content",
+                       "EndMessage"
+               ));
+       }
+
+       @Test
+       public void clientPutSendsResponseEvenIfFileCanNotBeRead()
+       throws IOException, ExecutionException, InterruptedException {
+               File tempFile = createTempFile();
+               fcpClient.clientPut().from(new File(tempFile.getParent(), "test.dat")).uri("KSK@foo.txt").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "ProtocolError",
+                       "Identifier=" + identifier,
+                       "Code=25",
+                       "EndMessage"
+               );
+               lines = fcpServer.collectUntil(is("EndMessage"));
+               assertThat(lines, matchesFcpMessage(
+                       "TestDDARequest",
+                       "Directory=" + tempFile.getParent(),
+                       "WantReadDirectory=true",
+                       "WantWriteDirectory=false",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "TestDDAReply",
+                       "Directory=" + tempFile.getParent(),
+                       "ReadFilename=" + tempFile + ".foo",
+                       "EndMessage"
+               );
+               lines = fcpServer.collectUntil(is("EndMessage"));
+               assertThat(lines, matchesFcpMessage(
+                       "TestDDAResponse",
+                       "Directory=" + tempFile.getParent(),
+                       "ReadContent=failed-to-read",
+                       "EndMessage"
+               ));
+       }
+
+       @Test
+       public void clientPutDoesNotResendOriginalClientPutOnTestDDACompleteWithWrongDirectory()
+       throws IOException, ExecutionException, InterruptedException {
+               File tempFile = createTempFile();
+               fcpClient.clientPut().from(new File(tempFile.getParent(), "test.dat")).uri("KSK@foo.txt").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "TestDDAComplete",
+                       "Directory=/some-other-directory",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "ProtocolError",
+                       "Identifier=" + identifier,
+                       "Code=25",
+                       "EndMessage"
+               );
+               lines = fcpServer.collectUntil(is("EndMessage"));
+               assertThat(lines, matchesFcpMessage(
+                       "TestDDARequest",
+                       "Directory=" + tempFile.getParent(),
+                       "WantReadDirectory=true",
+                       "WantWriteDirectory=false",
+                       "EndMessage"
+               ));
+       }
+
+       @Test
+       public void clientPutSendsNotificationsForGeneratedKeys()
+       throws InterruptedException, ExecutionException, IOException {
+               List<String> generatedKeys = new CopyOnWriteArrayList<>();
+               Future<Optional<Key>> key = fcpClient.clientPut()
+                       .onKeyGenerated(generatedKeys::add)
+                       .from(new ByteArrayInputStream("Hello\n".getBytes()))
+                       .length(6)
+                       .uri("KSK@foo.txt")
+                       .execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("Hello"));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "URIGenerated",
+                       "Identifier=" + identifier,
+                       "URI=KSK@foo.txt",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "PutSuccessful",
+                       "URI=KSK@foo.txt",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               assertThat(key.get().get().getKey(), is("KSK@foo.txt"));
+               assertThat(generatedKeys, contains("KSK@foo.txt"));
+       }
+
+       @Test
+       public void clientCanListPeers() throws IOException, ExecutionException, InterruptedException {
+               Future<Collection<Peer>> peers = fcpClient.listPeers().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeers",
+                       "WithVolatile=false",
+                       "WithMetadata=false",
+                       "EndMessage"
+               ));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id2",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "EndListPeers",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               assertThat(peers.get(), hasSize(2));
+               assertThat(peers.get().stream().map(Peer::getIdentity).collect(Collectors.toList()),
+                       containsInAnyOrder("id1", "id2"));
+       }
+
+       @Test
+       public void clientCanListPeersWithMetadata() throws IOException, ExecutionException, InterruptedException {
+               Future<Collection<Peer>> peers = fcpClient.listPeers().includeMetadata().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeers",
+                       "WithVolatile=false",
+                       "WithMetadata=true",
+                       "EndMessage"
+               ));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "metadata.foo=bar1",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id2",
+                       "metadata.foo=bar2",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "EndListPeers",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               assertThat(peers.get(), hasSize(2));
+               assertThat(peers.get().stream().map(peer -> peer.getMetadata("foo")).collect(Collectors.toList()),
+                       containsInAnyOrder("bar1", "bar2"));
+       }
+
+       @Test
+       public void clientCanListPeersWithVolatiles() throws IOException, ExecutionException, InterruptedException {
+               Future<Collection<Peer>> peers = fcpClient.listPeers().includeVolatile().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeers",
+                       "WithVolatile=true",
+                       "WithMetadata=false",
+                       "EndMessage"
+               ));
+               String identifier = extractIdentifier(lines);
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "volatile.foo=bar1",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id2",
+                       "volatile.foo=bar2",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "EndListPeers",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               assertThat(peers.get(), hasSize(2));
+               assertThat(peers.get().stream().map(peer -> peer.getVolatile("foo")).collect(Collectors.toList()),
+                       containsInAnyOrder("bar1", "bar2"));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetNodeInformation() throws InterruptedException, ExecutionException, IOException {
+               Future<NodeData> nodeData = fcpClient.getNode().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetNode",
+                       "Identifier=" + identifier,
+                       "GiveOpennetRef=false",
+                       "WithPrivate=false",
+                       "WithVolatile=false",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "NodeData",
+                       "Identifier=" + identifier,
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "EndMessage"
+               );
+               assertThat(nodeData.get(), notNullValue());
+       }
+
+       @Test
+       public void defaultFcpClientCanGetNodeInformationWithOpennetRef()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<NodeData> nodeData = fcpClient.getNode().opennetRef().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetNode",
+                       "Identifier=" + identifier,
+                       "GiveOpennetRef=true",
+                       "WithPrivate=false",
+                       "WithVolatile=false",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "NodeData",
+                       "Identifier=" + identifier,
+                       "opennet=true",
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "EndMessage"
+               );
+               assertThat(nodeData.get().getVersion().toString(), is("Fred,0.7,1.0,1466"));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetNodeInformationWithPrivateData()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<NodeData> nodeData = fcpClient.getNode().includePrivate().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetNode",
+                       "Identifier=" + identifier,
+                       "GiveOpennetRef=false",
+                       "WithPrivate=true",
+                       "WithVolatile=false",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "NodeData",
+                       "Identifier=" + identifier,
+                       "opennet=false",
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "ark.privURI=SSK@XdHMiRl",
+                       "EndMessage"
+               );
+               assertThat(nodeData.get().getARK().getPrivateURI(), is("SSK@XdHMiRl"));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetNodeInformationWithVolatileData()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<NodeData> nodeData = fcpClient.getNode().includeVolatile().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetNode",
+                       "Identifier=" + identifier,
+                       "GiveOpennetRef=false",
+                       "WithPrivate=false",
+                       "WithVolatile=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "NodeData",
+                       "Identifier=" + identifier,
+                       "opennet=false",
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "volatile.freeJavaMemory=205706528",
+                       "EndMessage"
+               );
+               assertThat(nodeData.get().getVolatile("freeJavaMemory"), is("205706528"));
+       }
+
+       @Test
+       public void defaultFcpClientCanListSinglePeerByIdentity()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.listPeer().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "opennet=false",
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanListSinglePeerByHostAndPort()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.listPeer().byHostAndPort("host.free.net", 12345).execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=host.free.net:12345",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "opennet=false",
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanListSinglePeerByName()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.listPeer().byName("FriendNode").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=FriendNode",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "opennet=false",
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientRecognizesUnknownNodeIdentifiers()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.listPeer().byIdentity("id2").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id2",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "UnknownNodeIdentifier",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id2",
+                       "EndMessage"
+               );
+               assertThat(peer.get().isPresent(), is(false));
+       }
+
+       @Test
+       public void defaultFcpClientCanAddPeerFromFile() throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.addPeer().fromFile(new File("/tmp/ref.txt")).execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "AddPeer",
+                       "Identifier=" + identifier,
+                       "File=/tmp/ref.txt",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "opennet=false",
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanAddPeerFromURL() throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.addPeer().fromURL(new URL("http://node.ref/")).execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "AddPeer",
+                       "Identifier=" + identifier,
+                       "URL=http://node.ref/",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "opennet=false",
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanAddPeerFromNodeRef() throws InterruptedException, ExecutionException, IOException {
+               NodeRef nodeRef = new NodeRef();
+               nodeRef.setIdentity("id1");
+               nodeRef.setName("name");
+               nodeRef.setARK(new ARK("public", "1"));
+               nodeRef.setDSAGroup(new DSAGroup("base", "prime", "subprime"));
+               nodeRef.setNegotiationTypes(new int[] { 3, 5 });
+               nodeRef.setPhysicalUDP("1.2.3.4:5678");
+               nodeRef.setDSAPublicKey("dsa-public");
+               nodeRef.setSignature("sig");
+               Future<Optional<Peer>> peer = fcpClient.addPeer().fromNodeRef(nodeRef).execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "AddPeer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "myName=name",
+                       "ark.pubURI=public",
+                       "ark.number=1",
+                       "dsaGroup.g=base",
+                       "dsaGroup.p=prime",
+                       "dsaGroup.q=subprime",
+                       "dsaPubKey.y=dsa-public",
+                       "physical.udp=1.2.3.4:5678",
+                       "auth.negTypes=3;5",
+                       "sig=sig",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "identity=id1",
+                       "opennet=false",
+                       "ark.pubURI=SSK@3YEf.../ark",
+                       "ark.number=78",
+                       "auth.negTypes=2",
+                       "version=Fred,0.7,1.0,1466",
+                       "lastGoodVersion=Fred,0.7,1.0,1466",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void listPeerNotesCanGetPeerNotesByNodeName() throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<PeerNote>> peerNote = fcpClient.listPeerNotes().byName("Friend1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeerNotes",
+                       "NodeIdentifier=Friend1",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "PeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "NoteText=RXhhbXBsZSBUZXh0Lg==",
+                       "PeerNoteType=1",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "EndListPeerNotes",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               assertThat(peerNote.get().get().getNoteText(), is("RXhhbXBsZSBUZXh0Lg=="));
+               assertThat(peerNote.get().get().getPeerNoteType(), is(1));
+       }
+
+       @Test
+       public void listPeerNotesReturnsEmptyOptionalWhenNodeIdenfierUnknown()
+       throws InterruptedException, ExecutionException,
+       IOException {
+               Future<Optional<PeerNote>> peerNote = fcpClient.listPeerNotes().byName("Friend1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeerNotes",
+                       "NodeIdentifier=Friend1",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "UnknownNodeIdentifier",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "EndMessage"
+               );
+               assertThat(peerNote.get().isPresent(), is(false));
+       }
+
+       @Test
+       public void listPeerNotesCanGetPeerNotesByNodeIdentifier()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<PeerNote>> peerNote = fcpClient.listPeerNotes().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeerNotes",
+                       "NodeIdentifier=id1",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "PeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "NoteText=RXhhbXBsZSBUZXh0Lg==",
+                       "PeerNoteType=1",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "EndListPeerNotes",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               assertThat(peerNote.get().get().getNoteText(), is("RXhhbXBsZSBUZXh0Lg=="));
+               assertThat(peerNote.get().get().getPeerNoteType(), is(1));
+       }
+
+       @Test
+       public void listPeerNotesCanGetPeerNotesByHostNameAndPortNumber()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<PeerNote>> peerNote = fcpClient.listPeerNotes().byHostAndPort("1.2.3.4", 5678).execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ListPeerNotes",
+                       "NodeIdentifier=1.2.3.4:5678",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "PeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "NoteText=RXhhbXBsZSBUZXh0Lg==",
+                       "PeerNoteType=1",
+                       "EndMessage"
+               );
+               fcpServer.writeLine(
+                       "EndListPeerNotes",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               assertThat(peerNote.get().get().getNoteText(), is("RXhhbXBsZSBUZXh0Lg=="));
+               assertThat(peerNote.get().get().getPeerNoteType(), is(1));
+       }
+
+       @Test
+       public void defaultFcpClientCanEnablePeerByName() throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().enable().byName("Friend1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "IsDisabled=false",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanDisablePeerByName() throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().disable().byName("Friend1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "IsDisabled=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanEnablePeerByIdentity() throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().enable().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "IsDisabled=false",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanEnablePeerByHostAndPort()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().enable().byHostAndPort("1.2.3.4", 5678).execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=1.2.3.4:5678",
+                       "IsDisabled=false",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanNotModifyPeerOfUnknownNode()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().enable().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "IsDisabled=false",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "UnknownNodeIdentifier",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().isPresent(), is(false));
+       }
+
+       @Test
+       public void defaultFcpClientCanAllowLocalAddressesOfPeer()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().allowLocalAddresses().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "AllowLocalAddresses=true",
+                       "EndMessage"
+               ));
+               assertThat(lines, not(contains(startsWith("IsDisabled="))));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanDisallowLocalAddressesOfPeer()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().disallowLocalAddresses().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "AllowLocalAddresses=false",
+                       "EndMessage"
+               ));
+               assertThat(lines, not(contains(startsWith("IsDisabled="))));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanSetBurstOnlyForPeer()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().setBurstOnly().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "IsBurstOnly=true",
+                       "EndMessage"
+               ));
+               assertThat(lines, not(contains(startsWith("AllowLocalAddresses="))));
+               assertThat(lines, not(contains(startsWith("IsDisabled="))));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanClearBurstOnlyForPeer()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().clearBurstOnly().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "IsBurstOnly=false",
+                       "EndMessage"
+               ));
+               assertThat(lines, not(contains(startsWith("AllowLocalAddresses="))));
+               assertThat(lines, not(contains(startsWith("IsDisabled="))));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanSetListenOnlyForPeer()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().setListenOnly().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "IsListenOnly=true",
+                       "EndMessage"
+               ));
+               assertThat(lines, not(contains(startsWith("AllowLocalAddresses="))));
+               assertThat(lines, not(contains(startsWith("IsDisabled="))));
+               assertThat(lines, not(contains(startsWith("IsBurstOnly="))));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanClearListenOnlyForPeer()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().clearListenOnly().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "IsListenOnly=false",
+                       "EndMessage"
+               ));
+               assertThat(lines, not(contains(startsWith("AllowLocalAddresses="))));
+               assertThat(lines, not(contains(startsWith("IsDisabled="))));
+               assertThat(lines, not(contains(startsWith("IsBurstOnly="))));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanIgnoreSourceForPeer()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().ignoreSource().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "IgnoreSourcePort=true",
+                       "EndMessage"
+               ));
+               assertThat(lines, not(contains(startsWith("AllowLocalAddresses="))));
+               assertThat(lines, not(contains(startsWith("IsDisabled="))));
+               assertThat(lines, not(contains(startsWith("IsBurstOnly="))));
+               assertThat(lines, not(contains(startsWith("IsListenOnly="))));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanUseSourceForPeer()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Optional<Peer>> peer = fcpClient.modifyPeer().useSource().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "IgnoreSourcePort=false",
+                       "EndMessage"
+               ));
+               assertThat(lines, not(contains(startsWith("AllowLocalAddresses="))));
+               assertThat(lines, not(contains(startsWith("IsDisabled="))));
+               assertThat(lines, not(contains(startsWith("IsBurstOnly="))));
+               assertThat(lines, not(contains(startsWith("IsListenOnly="))));
+               fcpServer.writeLine(
+                       "Peer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "identity=id1",
+                       "EndMessage"
+               );
+               assertThat(peer.get().get().getIdentity(), is("id1"));
+       }
+
+       @Test
+       public void defaultFcpClientCanRemovePeerByName() throws InterruptedException, ExecutionException, IOException {
+               Future<Boolean> peer = fcpClient.removePeer().byName("Friend1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "RemovePeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "PeerRemoved",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "EndMessage"
+               );
+               assertThat(peer.get(), is(true));
+       }
+
+       @Test
+       public void defaultFcpClientCanNotRemovePeerByInvalidName()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Boolean> peer = fcpClient.removePeer().byName("NotFriend1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "RemovePeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=NotFriend1",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "UnknownNodeIdentifier",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               assertThat(peer.get(), is(false));
+       }
+
+       @Test
+       public void defaultFcpClientCanRemovePeerByIdentity() throws InterruptedException, ExecutionException, IOException {
+               Future<Boolean> peer = fcpClient.removePeer().byIdentity("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "RemovePeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "PeerRemoved",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "EndMessage"
+               );
+               assertThat(peer.get(), is(true));
+       }
+
+       @Test
+       public void defaultFcpClientCanRemovePeerByHostAndPort()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Boolean> peer = fcpClient.removePeer().byHostAndPort("1.2.3.4", 5678).execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "RemovePeer",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=1.2.3.4:5678",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "PeerRemoved",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "EndMessage"
+               );
+               assertThat(peer.get(), is(true));
+       }
+
+       @Test
+       public void defaultFcpClientCanModifyPeerNoteByName()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Boolean> noteUpdated = fcpClient.modifyPeerNote().darknetComment("foo").byName("Friend1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "PeerNoteType=1",
+                       "NoteText=Zm9v",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "PeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "NoteText=Zm9v",
+                       "PeerNoteType=1",
+                       "EndMessage"
+               );
+               assertThat(noteUpdated.get(), is(true));
+       }
+
+       @Test
+       public void defaultFcpClientKnowsPeerNoteWasNotModifiedOnUnknownNodeIdentifier()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Boolean> noteUpdated = fcpClient.modifyPeerNote().darknetComment("foo").byName("Friend1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "PeerNoteType=1",
+                       "NoteText=Zm9v",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "UnknownNodeIdentifier",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=Friend1",
+                       "EndMessage"
+               );
+               assertThat(noteUpdated.get(), is(false));
+       }
+
+       @Test
+       public void defaultFcpClientFailsToModifyPeerNoteWithoutPeerNote()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Boolean> noteUpdated = fcpClient.modifyPeerNote().byName("Friend1").execute();
+               assertThat(noteUpdated.get(), is(false));
+       }
+
+       @Test
+       public void defaultFcpClientCanModifyPeerNoteByIdentifier()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Boolean> noteUpdated = fcpClient.modifyPeerNote().darknetComment("foo").byIdentifier("id1").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "PeerNoteType=1",
+                       "NoteText=Zm9v",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "PeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=id1",
+                       "NoteText=Zm9v",
+                       "PeerNoteType=1",
+                       "EndMessage"
+               );
+               assertThat(noteUpdated.get(), is(true));
+       }
+
+       @Test
+       public void defaultFcpClientCanModifyPeerNoteByHostAndPort()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<Boolean> noteUpdated =
+                       fcpClient.modifyPeerNote().darknetComment("foo").byHostAndPort("1.2.3.4", 5678).execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyPeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=1.2.3.4:5678",
+                       "PeerNoteType=1",
+                       "NoteText=Zm9v",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "PeerNote",
+                       "Identifier=" + identifier,
+                       "NodeIdentifier=1.2.3.4:5678",
+                       "NoteText=Zm9v",
+                       "PeerNoteType=1",
+                       "EndMessage"
+               );
+               assertThat(noteUpdated.get(), is(true));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetConfigWithoutDetails()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> configData = fcpClient.getConfig().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetConfig",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "EndMessage"
+               );
+               assertThat(configData.get(), notNullValue());
+       }
+
+       @Test
+       public void defaultFcpClientCanGetConfigWithCurrent()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> configData = fcpClient.getConfig().withCurrent().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetConfig",
+                       "Identifier=" + identifier,
+                       "WithCurrent=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "current.foo=bar",
+                       "EndMessage"
+               );
+               assertThat(configData.get().getCurrent("foo"), is("bar"));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetConfigWithDefaults()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> configData = fcpClient.getConfig().withDefaults().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetConfig",
+                       "Identifier=" + identifier,
+                       "WithDefaults=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "default.foo=bar",
+                       "EndMessage"
+               );
+               assertThat(configData.get().getDefault("foo"), is("bar"));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetConfigWithSortOrder()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> configData = fcpClient.getConfig().withSortOrder().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetConfig",
+                       "Identifier=" + identifier,
+                       "WithSortOrder=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "sortOrder.foo=17",
+                       "EndMessage"
+               );
+               assertThat(configData.get().getSortOrder("foo"), is(17));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetConfigWithExpertFlag()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> configData = fcpClient.getConfig().withExpertFlag().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetConfig",
+                       "Identifier=" + identifier,
+                       "WithExpertFlag=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "expertFlag.foo=true",
+                       "EndMessage"
+               );
+               assertThat(configData.get().getExpertFlag("foo"), is(true));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetConfigWithForceWriteFlag()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> configData = fcpClient.getConfig().withForceWriteFlag().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetConfig",
+                       "Identifier=" + identifier,
+                       "WithForceWriteFlag=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "forceWriteFlag.foo=true",
+                       "EndMessage"
+               );
+               assertThat(configData.get().getForceWriteFlag("foo"), is(true));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetConfigWithShortDescription()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> configData = fcpClient.getConfig().withShortDescription().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetConfig",
+                       "Identifier=" + identifier,
+                       "WithShortDescription=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "shortDescription.foo=bar",
+                       "EndMessage"
+               );
+               assertThat(configData.get().getShortDescription("foo"), is("bar"));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetConfigWithLongDescription()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> configData = fcpClient.getConfig().withLongDescription().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetConfig",
+                       "Identifier=" + identifier,
+                       "WithLongDescription=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "longDescription.foo=bar",
+                       "EndMessage"
+               );
+               assertThat(configData.get().getLongDescription("foo"), is("bar"));
+       }
+
+       @Test
+       public void defaultFcpClientCanGetConfigWithDataTypes()
+       throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> configData = fcpClient.getConfig().withDataTypes().execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "GetConfig",
+                       "Identifier=" + identifier,
+                       "WithDataTypes=true",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "dataType.foo=number",
+                       "EndMessage"
+               );
+               assertThat(configData.get().getDataType("foo"), is("number"));
+       }
+
+       @Test
+       public void defaultFcpClientCanModifyConfigData() throws InterruptedException, ExecutionException, IOException {
+               Future<ConfigData> newConfigData = fcpClient.modifyConfig().set("foo.bar").to("baz").execute();
+               connectNode();
+               List<String> lines = fcpServer.collectUntil(is("EndMessage"));
+               String identifier = extractIdentifier(lines);
+               assertThat(lines, matchesFcpMessage(
+                       "ModifyConfig",
+                       "Identifier=" + identifier,
+                       "foo.bar=baz",
+                       "EndMessage"
+               ));
+               fcpServer.writeLine(
+                       "ConfigData",
+                       "Identifier=" + identifier,
+                       "current.foo.bar=baz",
+                       "EndMessage"
+               );
+               assertThat(newConfigData.get().getCurrent("foo.bar"), is("baz"));
+       }
+
+       private List<String> lines;
+       private String identifier;
+
+       private void connectAndAssert(Supplier<Matcher<List<String>>> requestMatcher)
+       throws InterruptedException, ExecutionException, IOException {
+               connectNode();
+               lines = fcpServer.collectUntil(is("EndMessage"));
+               identifier = extractIdentifier(lines);
+               assertThat(lines, requestMatcher.get());
+       }
+
+       public class PluginCommands {
+
+               private static final String CLASS_NAME = "foo.plugin.Plugin";
+
+               private void replyWithPluginInfo() throws IOException {
+                       fcpServer.writeLine(
+                               "PluginInfo",
+                               "Identifier=" + identifier,
+                               "PluginName=superPlugin",
+                               "IsTalkable=true",
+                               "LongVersion=1.2.3",
+                               "Version=42",
+                               "OriginUri=superPlugin",
+                               "Started=true",
+                               "EndMessage"
+                       );
+               }
+
+               private void verifyPluginInfo(Future<Optional<PluginInfo>> pluginInfo)
+               throws InterruptedException, ExecutionException {
+                       assertThat(pluginInfo.get().get().getPluginName(), is("superPlugin"));
+                       assertThat(pluginInfo.get().get().getOriginalURI(), is("superPlugin"));
+                       assertThat(pluginInfo.get().get().isTalkable(), is(true));
+                       assertThat(pluginInfo.get().get().getVersion(), is("42"));
+                       assertThat(pluginInfo.get().get().getLongVersion(), is("1.2.3"));
+                       assertThat(pluginInfo.get().get().isStarted(), is(true));
+               }
+
+               public class LoadPlugin {
+
+                       public class OfficialPlugins {
+
+                               @Test
+                               public void fromFreenet() throws ExecutionException, InterruptedException, IOException {
+                                       Future<Optional<PluginInfo>> pluginInfo =
+                                               fcpClient.loadPlugin().officialFromFreenet("superPlugin").execute();
+                                       connectAndAssert(() -> createMatcherForOfficialSource("freenet"));
+                                       assertThat(lines, not(contains(startsWith("Store="))));
+                                       replyWithPluginInfo();
+                                       verifyPluginInfo(pluginInfo);
+                               }
+
+                               @Test
+                               public void persistentFromFreenet() throws ExecutionException, InterruptedException, IOException {
+                                       Future<Optional<PluginInfo>> pluginInfo =
+                                               fcpClient.loadPlugin().addToConfig().officialFromFreenet("superPlugin").execute();
+                                       connectAndAssert(() -> createMatcherForOfficialSource("freenet"));
+                                       assertThat(lines, hasItem("Store=true"));
+                                       replyWithPluginInfo();
+                                       verifyPluginInfo(pluginInfo);
+                               }
+
+                               @Test
+                               public void fromHttps() throws ExecutionException, InterruptedException, IOException {
+                                       Future<Optional<PluginInfo>> pluginInfo =
+                                               fcpClient.loadPlugin().officialFromHttps("superPlugin").execute();
+                                       connectAndAssert(() -> createMatcherForOfficialSource("https"));
+                                       replyWithPluginInfo();
+                                       verifyPluginInfo(pluginInfo);
+                               }
+
+                               private Matcher<List<String>> createMatcherForOfficialSource(String officialSource) {
+                                       return matchesFcpMessage(
+                                               "LoadPlugin",
+                                               "Identifier=" + identifier,
+                                               "PluginURL=superPlugin",
+                                               "URLType=official",
+                                               "OfficialSource=" + officialSource,
+                                               "EndMessage"
+                                       );
+                               }
+
+                       }
+
+                       public class FromOtherSources {
+
+                               private static final String FILE_PATH = "/path/to/plugin.jar";
+                               private static final String URL = "http://server.com/plugin.jar";
+                               private static final String KEY = "KSK@plugin.jar";
+
+                               @Test
+                               public void fromFile() throws ExecutionException, InterruptedException, IOException {
+                                       Future<Optional<PluginInfo>> pluginInfo = fcpClient.loadPlugin().fromFile(FILE_PATH).execute();
+                                       connectAndAssert(() -> createMatcher("file", FILE_PATH));
+                                       replyWithPluginInfo();
+                                       verifyPluginInfo(pluginInfo);
+                               }
+
+                               @Test
+                               public void fromUrl() throws ExecutionException, InterruptedException, IOException {
+                                       Future<Optional<PluginInfo>> pluginInfo = fcpClient.loadPlugin().fromUrl(URL).execute();
+                                       connectAndAssert(() -> createMatcher("url", URL));
+                                       replyWithPluginInfo();
+                                       verifyPluginInfo(pluginInfo);
+                               }
+
+                               @Test
+                               public void fromFreenet() throws ExecutionException, InterruptedException, IOException {
+                                       Future<Optional<PluginInfo>> pluginInfo = fcpClient.loadPlugin().fromFreenet(KEY).execute();
+                                       connectAndAssert(() -> createMatcher("freenet", KEY));
+                                       replyWithPluginInfo();
+                                       verifyPluginInfo(pluginInfo);
+                               }
+
+                               private Matcher<List<String>> createMatcher(String urlType, String url) {
+                                       return matchesFcpMessage(
+                                               "LoadPlugin",
+                                               "Identifier=" + identifier,
+                                               "PluginURL=" + url,
+                                               "URLType=" + urlType,
+                                               "EndMessage"
+                                       );
+                               }
+
+                       }
+
+                       public class Failed {
+
+                               @Test
+                               public void failedLoad() throws ExecutionException, InterruptedException, IOException {
+                                       Future<Optional<PluginInfo>> pluginInfo =
+                                               fcpClient.loadPlugin().officialFromFreenet("superPlugin").execute();
+                                       connectAndAssert(() -> matchesFcpMessage("LoadPlugin", "EndMessage"));
+                                       replyWithProtocolError();
+                                       assertThat(pluginInfo.get().isPresent(), is(false));
+                               }
+
+                       }
+
+               }
+
+               private void replyWithProtocolError() throws IOException {
+                       fcpServer.writeLine(
+                               "ProtocolError",
+                               "Identifier=" + identifier,
+                               "EndMessage"
+                       );
+               }
+
+               public class ReloadPlugin {
+
+                       @Test
+                       public void reloadingPluginWorks() throws InterruptedException, ExecutionException, IOException {
+                               Future<Optional<PluginInfo>> pluginInfo = fcpClient.reloadPlugin().plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> matchReloadPluginMessage());
+                               replyWithPluginInfo();
+                               verifyPluginInfo(pluginInfo);
+                       }
+
+                       @Test
+                       public void reloadingPluginWithMaxWaitTimeWorks()
+                       throws InterruptedException, ExecutionException, IOException {
+                               Future<Optional<PluginInfo>> pluginInfo =
+                                       fcpClient.reloadPlugin().waitFor(1234).plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> allOf(matchReloadPluginMessage(), hasItem("MaxWaitTime=1234")));
+                               replyWithPluginInfo();
+                               verifyPluginInfo(pluginInfo);
+                       }
+
+                       @Test
+                       public void reloadingPluginWithPurgeWorks()
+                       throws InterruptedException, ExecutionException, IOException {
+                               Future<Optional<PluginInfo>> pluginInfo =
+                                       fcpClient.reloadPlugin().purge().plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> allOf(matchReloadPluginMessage(), hasItem("Purge=true")));
+                               replyWithPluginInfo();
+                               verifyPluginInfo(pluginInfo);
+                       }
+
+                       @Test
+                       public void reloadingPluginWithStoreWorks()
+                       throws InterruptedException, ExecutionException, IOException {
+                               Future<Optional<PluginInfo>> pluginInfo =
+                                       fcpClient.reloadPlugin().addToConfig().plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> allOf(matchReloadPluginMessage(), hasItem("Store=true")));
+                               replyWithPluginInfo();
+                               verifyPluginInfo(pluginInfo);
+                       }
+
+                       private Matcher<List<String>> matchReloadPluginMessage() {
+                               return matchesFcpMessage(
+                                       "ReloadPlugin",
+                                       "Identifier=" + identifier,
+                                       "PluginName=" + CLASS_NAME,
+                                       "EndMessage"
+                               );
+                       }
+
+               }
+
+               public class RemovePlugin {
+
+                       @Test
+                       public void removingPluginWorks() throws InterruptedException, ExecutionException, IOException {
+                               Future<Boolean> pluginRemoved = fcpClient.removePlugin().plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> matchPluginRemovedMessage());
+                               replyWithPluginRemoved();
+                               assertThat(pluginRemoved.get(), is(true));
+                       }
+
+                       @Test
+                       public void removingPluginWithMaxWaitTimeWorks()
+                       throws InterruptedException, ExecutionException, IOException {
+                               Future<Boolean> pluginRemoved = fcpClient.removePlugin().waitFor(1234).plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> allOf(matchPluginRemovedMessage(), hasItem("MaxWaitTime=1234")));
+                               replyWithPluginRemoved();
+                               assertThat(pluginRemoved.get(), is(true));
+                       }
+
+                       @Test
+                       public void removingPluginWithPurgeWorks()
+                       throws InterruptedException, ExecutionException, IOException {
+                               Future<Boolean> pluginRemoved = fcpClient.removePlugin().purge().plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> allOf(matchPluginRemovedMessage(), hasItem("Purge=true")));
+                               replyWithPluginRemoved();
+                               assertThat(pluginRemoved.get(), is(true));
+                       }
+
+                       private void replyWithPluginRemoved() throws IOException {
+                               fcpServer.writeLine(
+                                       "PluginRemoved",
+                                       "Identifier=" + identifier,
+                                       "PluginName=" + CLASS_NAME,
+                                       "EndMessage"
+                               );
+                       }
+
+                       private Matcher<List<String>> matchPluginRemovedMessage() {
+                               return matchesFcpMessage(
+                                       "RemovePlugin",
+                                       "Identifier=" + identifier,
+                                       "PluginName=" + CLASS_NAME,
+                                       "EndMessage"
+                               );
+                       }
+
+               }
+
+               public class GetPluginInfo {
+
+                       @Test
+                       public void gettingPluginInfoWorks() throws InterruptedException, ExecutionException, IOException {
+                               Future<Optional<PluginInfo>> pluginInfo = fcpClient.getPluginInfo().plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> matchGetPluginInfoMessage());
+                               replyWithPluginInfo();
+                               verifyPluginInfo(pluginInfo);
+                       }
+
+                       @Test
+                       public void gettingPluginInfoWithDetailsWorks()
+                       throws InterruptedException, ExecutionException, IOException {
+                               Future<Optional<PluginInfo>> pluginInfo =
+                                       fcpClient.getPluginInfo().detailed().plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> allOf(matchGetPluginInfoMessage(), hasItem("Detailed=true")));
+                               replyWithPluginInfo();
+                               verifyPluginInfo(pluginInfo);
+                       }
+
+                       @Test
+                       public void protocolErrorIsRecognizedAsFailure()
+                       throws InterruptedException, ExecutionException, IOException {
+                               Future<Optional<PluginInfo>> pluginInfo =
+                                       fcpClient.getPluginInfo().detailed().plugin(CLASS_NAME).execute();
+                               connectAndAssert(() -> allOf(matchGetPluginInfoMessage(), hasItem("Detailed=true")));
+                               replyWithProtocolError();
+                               assertThat(pluginInfo.get(), is(Optional.empty()));
+                       }
+
+                       private Matcher<List<String>> matchGetPluginInfoMessage() {
+                               return matchesFcpMessage(
+                                       "GetPluginInfo",
+                                       "Identifier=" + identifier,
+                                       "PluginName=" + CLASS_NAME,
+                                       "EndMessage"
+                               );
+                       }
+
+               }
+
+       }
+
+       public class UskSubscriptionCommands {
+
+               private static final String URI = "SSK@some,uri/file.txt";
+
+               @Test
+               public void subscriptionWorks() throws InterruptedException, ExecutionException, IOException {
+                       Future<Optional<UskSubscription>> uskSubscription = fcpClient.subscribeUsk().uri(URI).execute();
+                       connectAndAssert(() -> matchesFcpMessage("SubscribeUSK", "URI=" + URI, "EndMessage"));
+                       fcpServer.writeLine(
+                               "SubscribedUSK",
+                               "Identifier=" + identifier,
+                               "URI=" + URI,
+                               "DontPoll=false",
+                               "EndMessage"
+                       );
+                       assertThat(uskSubscription.get().get().getUri(), is(URI));
+                       AtomicInteger edition = new AtomicInteger();
+                       CountDownLatch updated = new CountDownLatch(2);
+                       uskSubscription.get().get().onUpdate(e -> {
+                               edition.set(e);
+                               updated.countDown();
+                       });
+                       fcpServer.writeLine(
+                               "SubscribedUSKUpdate",
+                               "Identifier=" + identifier,
+                               "URI=" + URI,
+                               "Edition=23",
+                               "EndMessage"
+                       );
+                       fcpServer.writeLine(
+                               "SubscribedUSKUpdate",
+                               "Identifier=" + identifier,
+                               "URI=" + URI,
+                               "Edition=24",
+                               "EndMessage"
+                       );
+                       assertThat("updated in time", updated.await(5, TimeUnit.SECONDS), is(true));
+                       assertThat(edition.get(), is(24));
+               }
+
+       }
+
 }