Merge commit 'ce74e6b48691f37d382e92e236e1e765fc4173db' into HEAD

Jenkinsfile

@@ -60,20 +60,6 @@ pipeline {
 
         success {
 
-//            script {
-//
-//                sh "'${env.BRANCH_NAME}'"
-//                if (${env.BRANCH_NAME}.startsWith('pr-')) {
-//
-////                git url: "git@gogs.informatik.hs-fulda.de:SteffenN/Multi-Chess.git",
-////                        credentialsId: 'jenkins_ssh_key',
-////                        branch: (env.BRANCH_NAME)
-//
-//                    sh "git merge '${env.BRANCH_NAME}'"
-//                    sh "git commit -am 'Merged ${env.BRANCH_NAME} branch to master'"
-//                    sh "git push origin master"
-//                }
-//            }
             office365ConnectorSend color: 'good',
                     message: "Build ${currentBuild.fullDisplayName} completed *successfully* (<${BUILD_URL}>).\n\n\n${CUSTOM_SCM_INFO}",
                     webhookUrl: "https://outlook.office.com/webhook/97618564-835e-438e-a2a7-a77b21331e1e@22877e52-e9fd-410d-91a3-817d8ab89d63/JenkinsCI/fa736de2175649a891c2957f00532027/87d23462-1d0c-4378-b4e0-05c7d5546a25"

fh.fd.ci.server/src/main/java/de/fd/fh/ServerApp.java

@@ -22,21 +22,47 @@ public class ServerApp
     private static AccessRepository accessRepository;
     private static UserRepository userRepository;
 
+    private static AccessController accessController;
+    private static UserController userController;
+
     private static final Set<Observer> listeners = new HashSet<>();
 
     public static void main(String[] args)
     {
-        initRepositories();
-
         initListeners();
 
-        new AccessController((AccessService) addListeners(new AccessService(accessRepository)));
-        new UserController((UserService) addListeners(new UserService(userRepository)));
+        if (accessController == null && userController == null)
+        {
+            initRepositories();
+            accessController = new AccessController((AccessService)
+                    addListeners(new AccessService(accessRepository)));
+            userController = new UserController((UserService)
+                    addListeners(new UserService(userRepository)));
+        }
+
+        before("/*", (req, res) -> accessController.before(req));
+        post("/accounts/registrate", accessController::registrate);
+        post("/accounts/login", accessController::login);
+        post("/accounts/logout", accessController::logout);
+        delete("/accounts/:player_id", accessController::deletePlayer);
+
+        post("/users", userController::updateUser);
+        get("/users", userController::getCompleteUser);
+        get("/users/:user_id", userController::getUser);
 
         get("/hello", (req, res) -> "Hello World");
 
     }
 
+    public static void initController(
+            final AccessController accessController,
+            final UserController userController
+    )
+    {
+        ServerApp.userController = userController;
+        ServerApp.accessController = accessController;
+    }
+
     private static Object addListeners(Observable service)
     {
         listeners.forEach(service::addObserver);
@@ -50,7 +76,8 @@ public class ServerApp
         listeners.add(new UserContextEventListener(userRepository));
     }
 
-    private static void initRepositories() {
+    private static void initRepositories()
+    {
         accessRepository = new AccessRepository();
         userRepository = new UserRepository();
     }

fh.fd.ci.server/src/main/java/de/fd/fh/server/access/Access.java

@@ -43,4 +43,9 @@ public class Access
     {
         this.password = newPassword;
     }
+
+    void rename(final String name)
+    {
+        this.name = name;
+    }
 }

fh.fd.ci.server/src/main/java/de/fd/fh/server/access/AccessContextEventListener.java

@@ -1,6 +1,7 @@
 package de.fd.fh.server.access;
 
 import de.fd.fh.server.user.events.ChangePasswordEvent;
+import de.fd.fh.server.user.events.ChangeUserNameEvent;
 import lombok.RequiredArgsConstructor;
 
 import java.util.Observable;
@@ -12,17 +13,33 @@ public class AccessContextEventListener implements Observer
     private final AccessRepository accessRepository;
 
     @Override
-    public void update(Observable observable, Object o)
+    public void update(Observable observable, Object event)
     {
-        if(o instanceof ChangePasswordEvent)
+        if (event instanceof ChangePasswordEvent)
         {
-            final ChangePasswordEvent event = (ChangePasswordEvent) o;
+            handlePasswordChange((ChangePasswordEvent) event);
+        }
+        else if (event instanceof ChangeUserNameEvent)
+        {
+            handleRename((ChangeUserNameEvent) event);
+        }
+    }
 
-            final Access access = accessRepository.findByUserId(event.getUserId());
+    public void handleRename(ChangeUserNameEvent event)
+    {
+        final Access access = accessRepository.findByUserId(event.getUserId());
 
-            access.updatePassword(event.getNewPassword());
+        access.rename(event.getNewName());
 
-            accessRepository.save(access);
-        }
+        accessRepository.save(access);
+    }
+
+    public void handlePasswordChange(ChangePasswordEvent event)
+    {
+        final Access access = accessRepository.findByUserId(event.getUserId());
+
+        access.updatePassword(event.getNewPassword());
+
+        accessRepository.save(access);
     }
 }

fh.fd.ci.server/src/main/java/de/fd/fh/server/access/AccessService.java

@@ -80,8 +80,6 @@ public class AccessService extends Observable
     {
         try
         {
-            System.out.println("logout " + header);
-
             final Access access = accessRepository.findByToken(header.substring("Bearer ".length()));
 
             access.removeToken();
@@ -89,10 +87,9 @@ public class AccessService extends Observable
             accessRepository.save(access);
 
             return true;
-        } catch (Exception e)
+        } catch (final Exception e)
         {
             e.printStackTrace();
-
             return false;
         }
     }
@@ -126,7 +123,7 @@ public class AccessService extends Observable
             }
 
             return null;
-        } catch (Exception e)
+        } catch (final Exception e)
         {
             e.printStackTrace();
             return null;

fh.fd.ci.server/src/main/java/de/fd/fh/server/access/web/AccessController.java

@@ -1,5 +1,6 @@
 package de.fd.fh.server.access.web;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import de.fd.fh.server.access.AccessService;
 import de.fd.fh.server.access.AccessToken;
@@ -7,98 +8,92 @@ import de.fd.fh.server.user.UserId;
 import de.fd.fh.shared.Utils;
 import de.fd.fh.shared.network.messages.LoginRequest;
 import de.fd.fh.shared.network.messages.RegistrateRequest;
+import lombok.RequiredArgsConstructor;
+import spark.Request;
+import spark.Response;
 
-import static spark.Spark.*;
-
+@RequiredArgsConstructor
 public class AccessController
 {
     private final ObjectMapper objectMapper = new ObjectMapper();
+    private final AccessService service;
+
+    public Response deletePlayer(Request request, Response response)
+    {
+        final UserId userId = UserId.of(request.params(":player_id"));
+        final AccessToken token = request.session().attribute("userId");
+
+        if (service.deleteAccount(userId, token))
+        {
+            response.status(200);
+        }
+        else
+        {
+            response.status(400);
+        }
+
+        return response;
+    }
 
-    public AccessController(final AccessService service)
+    public Object logout(Request request, Response response)
     {
-        before("/*",
-                (req, res) ->
-                {
-                    final String path = req.pathInfo();
-                    final String token = req.headers(Utils.AUTHENTICATION_HEADER);
-
-                    final AccessToken accessToken = service.before(path, token);
-
-                    req.session().attribute("userId",
-                            accessToken);
-                });
-
-        post("/accounts/registrate",
-                (request, response) ->
-                {
-                    final RegistrateRequest message =
-                            objectMapper.readValue(request.body(), RegistrateRequest.class);
-
-                    if (service.createPlayer(message))
-                    {
-                        response.status(201);
-                    }
-                    else
-                    {
-                        response.status(400);
-                    }
-                    return response;
-                }
-        );
-
-        post("/accounts/login",
-                (request, response) ->
-                {
-                    final String header = request.headers(Utils.AUTHENTICATION_HEADER);
-
-                    final LoginRequest login = service.authorization(header);
-
-                    if (login == null)
-                    {
-                        response.status(401);
-                    }
-                    else
-                    {
-                        response.status(200);
-                        response.type("application/json");
-                        response.body(objectMapper.writeValueAsString(login));
-                    }
-                    return response;
-                });
-
-        post("/accounts/logout",
-                (request, response) ->
-                {
-                    final String token = request.headers(Utils.AUTHENTICATION_HEADER);
-
-                    if (service.logout(token))
-                    {
-                        response.status(200);
-                    }
-                    else
-                    {
-                        response.status(400);
-                    }
-
-                    return response;
-                });
-
-        delete("/accounts/:player_id",
-                (request, response) ->
-                {
-                    final UserId userId = UserId.of(request.params(":player_id"));
-                    final AccessToken token = request.session().attribute("userId");
-
-                    if (service.deleteAccount(userId, token))
-                    {
-                        response.status(200);
-                    }
-                    else
-                    {
-                        response.status(400);
-                    }
-
-                    return response;
-                });
+        final String token = request.headers(Utils.AUTHENTICATION_HEADER);
+
+        if (service.logout(token))
+        {
+            response.status(200);
+        }
+        else
+        {
+            response.status(400);
+        }
+
+        return response;
+    }
+
+    public Object login(Request request, Response response) throws JsonProcessingException
+    {
+        final String header = request.headers(Utils.AUTHENTICATION_HEADER);
+
+        final LoginRequest login = service.authorization(header);
+
+        if (login == null)
+        {
+            response.status(401);
+        }
+        else
+        {
+            response.status(200);
+            response.type("application/json");
+            response.body(objectMapper.writeValueAsString(login));
+        }
+        return response;
+    }
+
+    public Object registrate(Request request, Response response) throws java.io.IOException
+    {
+        final RegistrateRequest message =
+                objectMapper.readValue(request.body(), RegistrateRequest.class);
+
+        if (service.createPlayer(message))
+        {
+            response.status(201);
+        }
+        else
+        {
+            response.status(400);
+        }
+        return response;
+    }
+
+    public void before(final Request req)
+    {
+        final String path = req.pathInfo();
+        final String token = req.headers(Utils.AUTHENTICATION_HEADER);
+
+        final AccessToken accessToken = service.before(path, token);
+
+        req.session().attribute("userId",
+                accessToken);
     }
 }

fh.fd.ci.server/src/main/java/de/fd/fh/server/user/UserId.java

@@ -6,7 +6,6 @@ import org.bson.types.ObjectId;
 
 @Getter
 @Embedded
-@NoArgsConstructor
 @AllArgsConstructor(access = AccessLevel.PRIVATE)
 @EqualsAndHashCode(of = {"identifier"})
 public class UserId

fh.fd.ci.server/src/main/java/de/fd/fh/server/user/UserService.java

@@ -1,6 +1,7 @@
 package de.fd.fh.server.user;
 
 import de.fd.fh.server.user.events.ChangePasswordEvent;
+import de.fd.fh.server.user.events.ChangeUserNameEvent;
 import de.fd.fh.server.user.web.ChangeUserRequest;
 import de.fd.fh.server.user.web.UserRequest;
 import lombok.RequiredArgsConstructor;
@@ -14,8 +15,6 @@ public class UserService extends Observable
 
     public User changePlayer(final UserId userId, final ChangeUserRequest message)
     {
-        System.out.println("changePlayer: " + message);
-
         User user = userRepository.findUserById(userId);
 
         if (message.getPassword() != null)
@@ -24,9 +23,19 @@ public class UserService extends Observable
             notifyObservers(new ChangePasswordEvent(userId, message.getPassword()));
         }
 
-        userRepository.save(user);
+        if (message.getName() != null)
+        {
+            if (userRepository.findUserByName(message.getName()) == null)
+            {
+                user.rename(message.getName());
+                userRepository.save(user);
+
+                setChanged();
+                notifyObservers(new ChangeUserNameEvent(userId, message.getName()));
+            }
+        }
 
-        return userRepository.findUserById(userId);
+        return user;
     }
 
     public User getPlayer(final UserId id)

fh.fd.ci.server/src/main/java/de/fd/fh/server/user/events/ChangeUserNameEvent.java

@@ -0,0 +1,14 @@
+package de.fd.fh.server.user.events;
+
+import de.fd.fh.server.user.UserId;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Getter
+public class ChangeUserNameEvent
+{
+    private final UserId userId;
+
+    private final String newName;
+}

fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/ChangeUserRequest.java

@@ -1,13 +1,15 @@
 package de.fd.fh.server.user.web;
 
+import lombok.AllArgsConstructor;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
+import lombok.NoArgsConstructor;
 
-@RequiredArgsConstructor
+@NoArgsConstructor
+@AllArgsConstructor
 @Getter
 public class ChangeUserRequest
 {
-    private final String name;
+    private String name;
 
-    private final String password;
+    private String password;
 }

fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/UserController.java

@@ -1,89 +1,90 @@
 package de.fd.fh.server.user.web;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import de.fd.fh.server.access.AccessToken;
 import de.fd.fh.server.user.User;
 import de.fd.fh.server.user.UserId;
 import de.fd.fh.server.user.UserService;
+import lombok.RequiredArgsConstructor;
+import spark.Request;
+import spark.Response;
 
-import static spark.Spark.get;
-import static spark.Spark.post;
-
+@RequiredArgsConstructor
 public class UserController
 {
     private ObjectMapper objectMapper = new ObjectMapper();
 
-    public UserController(final UserService service)
+    private final UserService service;
+
+    public Response getUser(Request request, Response response) throws JsonProcessingException
+    {
+        final UserId userId = UserId.of(request.params(":user_id"));
+        final UserRequest user = service.getSmallPlayer(userId);
+
+        if (user == null)
+        {
+            response.status(404);
+            return response;
+        }
+        response.body(objectMapper.writeValueAsString(user));
+        return response;
+    }
+
+    public Response getCompleteUser(Request request, Response response) throws JsonProcessingException
     {
-        post("/users",
-                ((request, response) ->
-                {
-                    final UserId userId =
-                            ((AccessToken) request.session()
-                                    .attribute("userId"))
-                                    .getUserId();
-
-                    final ChangeUserRequest message = objectMapper.readValue(request.body(),
-                            ChangeUserRequest.class);
-
-                    final User user = service.changePlayer(
-                            userId,
-                            message);
-
-                    if (user == null)
-                    {
-                        response.status(400);
-                    }
-                    else
-                    {
-                        response.status(200);
-                        response.type("application/json");
-
-                        return objectMapper.writeValueAsString(user);
-                    }
-
-                    return response;
-                }
-                ));
-
-        get("/users",
-                (request, response) ->
-                {
-                    final UserId userId =
-                            ((AccessToken) request.session()
-                                    .attribute("userId"))
-                                    .getUserId();
-
-                    final User user = service.getPlayer(userId);
-
-                    if (user == null)
-                    {
-                        response.status(400);
-                    }
-                    else
-                    {
-                        response.status(200);
-                        response.type("application/json");
-
-                        return objectMapper.writeValueAsString(user);
-                    }
-
-                    return response;
-                }
-        );
-
-        get("/users/:user_id",
-                (request, response) ->
-                {
-                    final UserId userId = UserId.of(request.params(":user_id"));
-                    final UserRequest user = service.getSmallPlayer(userId);
-
-                    if (user == null)
-                    {
-                        response.status(404);
-                    }
-                    response.body(objectMapper.writeValueAsString(user));
-                    return response;
-                });
+        final UserId userId =
+                ((AccessToken) request.session()
+                        .attribute("userId"))
+                        .getUserId();
+
+        final User user = service.getPlayer(userId);
+
+        if (user == null)
+        {
+            response.status(404);
+        }
+        else
+        {
+            response.status(200);
+            response.type("application/json");
+
+            response.body(objectMapper.writeValueAsString(user));
+
+            return response;
+        }
+
+        return response;
+    }
+
+    public Response updateUser(Request request, Response response) throws java.io.IOException
+    {
+        final UserId userId =
+                ((AccessToken) request.session()
+                        .attribute("userId"))
+                        .getUserId();
+
+        final ChangeUserRequest message = objectMapper.readValue(request.body(),
+                ChangeUserRequest.class);
+
+        final User user = service.changePlayer(
+                userId,
+                message);
+
+        if (user == null)
+        {
+            response.status(400);
+        }
+        else
+        {
+            response.status(200);
+            response.type("application/json");
+
+            response.body(objectMapper.writeValueAsString(user));
+
+            return response;
+        }
+
+        return response;
     }
 }

fh.fd.ci.server/src/test/java/de/fd/fh/ServerAppTest.java

@@ -0,0 +1,166 @@
+package de.fd.fh;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import de.fd.fh.server.ApiTestUtils;
+import de.fd.fh.server.access.web.AccessController;
+import de.fd.fh.server.user.web.UserController;
+import de.fd.fh.shared.Utils;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import spark.Response;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.then;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+import static spark.Spark.awaitInitialization;
+import static spark.Spark.stop;
+
+class ServerAppTest
+{
+    private static UserController userController = mock(UserController.class);
+    private static AccessController accessController = mock(AccessController.class);
+
+    @BeforeAll
+    static void before()
+    {
+        ServerApp.initController(accessController, userController);
+        ServerApp.main(null);
+
+        awaitInitialization();
+    }
+
+    @AfterAll
+    static void after()
+    {
+        stop();
+    }
+
+    @Test
+    void testHalloWorld()
+    {
+        String url = "/hello";
+        Map<String, String> headers = new HashMap<>();
+        headers.put(Utils.AUTHENTICATION_HEADER, "Bearer testToken");
+
+        ApiTestUtils.TestResponse<String> res = new ApiTestUtils<String>()
+                .request("GET", url, null, headers, String.class);
+
+        assertNotNull(res);
+        assertEquals(200, res.getStatus());
+        assertEquals("Hello World", res.getBody());
+    }
+
+    @Test
+    void testRegistrate() throws IOException
+    {
+        when(accessController.registrate(any(), any())).thenReturn("Test");
+
+        String url = "/accounts/registrate";
+
+        ApiTestUtils.TestResponse<String> res = new ApiTestUtils<String>()
+                .request("POST", url, null, null, String.class);
+
+        assertNotNull(res);
+        assertEquals(200, res.getStatus());
+        then(accessController).should().registrate(any(), any());
+    }
+
+    @Test
+    void testLogin() throws JsonProcessingException
+    {
+        when(accessController.login(any(), any())).thenReturn("Test");
+
+        String url = "/accounts/login";
+
+        ApiTestUtils.TestResponse<String> res = new ApiTestUtils<String>()
+                .request("POST", url, null, null, String.class);
+
+        assertNotNull(res);
+        assertEquals(200, res.getStatus());
+        then(accessController).should().login(any(), any());
+    }
+
+    @Test
+    void testLogout()
+    {
+        when(accessController.logout(any(), any())).thenReturn("Test");
+
+        String url = "/accounts/logout";
+
+        ApiTestUtils.TestResponse<String> res = new ApiTestUtils<String>()
+                .request("POST", url, null, null, String.class);
+
+        assertNotNull(res);
+        assertEquals(200, res.getStatus());
+        then(accessController).should().logout(any(), any());
+    }
+
+    @Test
+    void testDeletePlayer()
+    {
+        final Response response = mock(Response.class);
+
+        when(accessController.deletePlayer(any(), any())).thenReturn(response);
+
+        String url = "/accounts/12345";
+
+        ApiTestUtils.TestResponse<String> res = new ApiTestUtils<String>()
+                .request("DELETE", url, null, null, String.class);
+
+        assertNotNull(res);
+        assertEquals(200, res.getStatus());
+        then(accessController).should().deletePlayer(any(), any());
+    }
+
+    @Test
+    void updateUser() throws IOException
+    {
+        when(userController.updateUser(any(), any())).thenReturn(mock(Response.class));
+
+        String url = "/users";
+
+        ApiTestUtils.TestResponse<String> res = new ApiTestUtils<String>()
+                .request("POST", url, null, null, String.class);
+
+        assertNotNull(res);
+        assertEquals(200, res.getStatus());
+        then(userController).should().updateUser(any(), any());
+    }
+
+    @Test
+    void getPlayers() throws JsonProcessingException
+    {
+        when(userController.getCompleteUser(any(), any())).thenReturn(mock(Response.class));
+
+        String url = "/users";
+
+        ApiTestUtils.TestResponse<String> res = new ApiTestUtils<String>()
+                .request("GET", url, null, null, String.class);
+
+        assertNotNull(res);
+        assertEquals(200, res.getStatus());
+        then(userController).should().getCompleteUser(any(), any());
+    }
+
+    @Test
+    void getPlayer() throws JsonProcessingException
+    {
+        when(userController.getUser(any(), any())).thenReturn(mock(Response.class));
+
+        String url = "/users/12345";
+
+        ApiTestUtils.TestResponse<String> res = new ApiTestUtils<String>()
+                .request("GET", url, null, null, String.class);
+
+        assertNotNull(res);
+        assertEquals(200, res.getStatus());
+        then(userController).should().getUser(any(), any());
+    }
+}

fh.fd.ci.server/src/test/java/de/fd/fh/server/ApiTestUtils.java

@@ -0,0 +1,86 @@
+package de.fd.fh.server;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.Getter;
+import lombok.Setter;
+import spark.utils.IOUtils;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.fail;
+
+public class ApiTestUtils<T>
+{
+    public TestResponse<T> request(
+            final String method,
+            final String path,
+            final String requestBody,
+            final Map<String, String> header,
+            final Class<T> responseBodyType)
+    {
+        try
+        {
+            URL url = new URL("http://localhost:4567" + path);
+            final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+            connection.setRequestMethod(method);
+            connection.setDoOutput(true);
+
+            if (requestBody != null)
+            {
+                final OutputStream outputStream = connection.getOutputStream();
+                final OutputStreamWriter outputStreamWriter =
+                        new OutputStreamWriter(outputStream, StandardCharsets.UTF_8);
+                outputStreamWriter.write(requestBody);
+                outputStreamWriter.flush();
+                outputStreamWriter.close();
+            }
+
+            if (header != null)
+            {
+                header.forEach(connection::addRequestProperty);
+            }
+
+            connection.connect();
+
+            final String body = IOUtils.toString(connection.getInputStream());
+            return new TestResponse<T>(connection.getResponseCode(), body, responseBodyType);
+        }
+        catch (final IOException e)
+        {
+            e.printStackTrace();
+            fail("Sending request failed: " + e.getMessage());
+            return null;
+        }
+    }
+
+    @Getter
+    @Setter
+    public static class TestResponse<T>
+    {
+
+        private final String body;
+        private final int status;
+        private final Class<T> type;
+
+        public TestResponse(
+                final int status,
+                final String body,
+                final Class<T> type)
+        {
+            this.status = status;
+            this.body = body;
+            this.type = type;
+        }
+
+        public T json() throws IOException
+        {
+            return new ObjectMapper().readValue(body, type);
+        }
+    }
+}

fh.fd.ci.server/src/test/java/de/fd/fh/server/access/AccessContextEventListenerTest.java

@@ -1,13 +1,12 @@
 package de.fd.fh.server.access;
 
 import de.fd.fh.server.user.UserId;
-import de.fd.fh.server.user.UserRepository;
-import de.fd.fh.server.user.UserService;
 import de.fd.fh.server.user.events.ChangePasswordEvent;
+import de.fd.fh.server.user.events.ChangeUserNameEvent;
 import org.junit.jupiter.api.Test;
 import org.mockito.ArgumentCaptor;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.BDDMockito.then;
 import static org.mockito.Mockito.*;
@@ -25,7 +24,7 @@ class AccessContextEventListenerTest
 
         final ArgumentCaptor<Access> captor = ArgumentCaptor.forClass(Access.class);
 
-        new AccessContextEventListener(repository).update(null, event);
+        new de.fd.fh.server.access.AccessContextEventListener(repository).update(null, event);
         verify(repository).save(captor.capture());
 
         assertEquals("newPwd", captor.getValue().getPassword(), "Have to be the new password");
@@ -33,4 +32,24 @@ class AccessContextEventListenerTest
         then(repository).should().save(any(Access.class));
         then(repository).shouldHaveNoMoreInteractions();
     }
+
+    @Test
+    void given_changeNameEvent_when_nameChanged_should_renameAccess()
+    {
+        final ChangeUserNameEvent event = new ChangeUserNameEvent(UserId.of("12345"), "newName");
+
+        final AccessRepository repository = mock(AccessRepository.class);
+        when(repository.findByUserId(any(UserId.class)))
+                .thenReturn(new Access());
+
+        final ArgumentCaptor<Access> captor = ArgumentCaptor.forClass(Access.class);
+
+        new de.fd.fh.server.access.AccessContextEventListener(repository).update(null, event);
+        verify(repository).save(captor.capture());
+
+        assertEquals("newName", captor.getValue().getName(), "Have to be the new name");
+        then(repository).should().findByUserId(any(UserId.class));
+        then(repository).should().save(any(Access.class));
+        then(repository).shouldHaveNoMoreInteractions();
+    }
 }

fh.fd.ci.server/src/test/java/de/fd/fh/server/access/AccessServiceTest.java

@@ -14,6 +14,7 @@ import java.util.Base64;
 import java.util.Observable;
 import java.util.Observer;
 
+import static org.hamcrest.CoreMatchers.nullValue;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.notNullValue;
 import static org.junit.jupiter.api.Assertions.*;
@@ -83,6 +84,28 @@ class AccessServiceTest implements Observer
         then(repository).shouldHaveNoMoreInteractions();
     }
 
+    @Test
+    void testUnprotectedLoginPath()
+    {
+        final String path = "/accounts/login";
+
+        final AccessToken result = new AccessService(null)
+                .before(path, null);
+
+        assertNull(result);
+    }
+
+    @Test
+    void testUnprotectedRegistratePath()
+    {
+        final String path = "/accounts/registrate";
+
+        final AccessToken result = new AccessService(null)
+                .before(path, null);
+
+        assertNull(result);
+    }
+
     @Test
     void given_newUser_when_createUser_should_storeNewUser()
     {
@@ -118,6 +141,28 @@ class AccessServiceTest implements Observer
         then(repository).shouldHaveNoMoreInteractions();
     }
 
+    @Test
+    void given_newUser_when_userNameAlreadyExist_should_storeNewUser()
+    {
+        final RegistrateRequest request =
+                RegistrateRequest.of("testUser", "testPwd");
+
+        final AccessRepository repository = mock(AccessRepository.class);
+        when(repository.findByUserName(any()))
+                .thenReturn(new Access());
+
+        final AccessService service = new AccessService(repository);
+        service.addObserver(this);
+
+        final boolean result = service.createPlayer(request);
+
+        assertFalse(result);
+        assertThat("No event thrown", this.event, nullValue());
+
+        then(repository).should().findByUserName(any());
+        then(repository).shouldHaveNoMoreInteractions();
+    }
+
     @Test
     void given_loggedInUser_when_logout_should_logoutUser()
     {

fh.fd.ci.server/src/test/java/de/fd/fh/server/access/AccessTest.java

@@ -0,0 +1,48 @@
+package de.fd.fh.server.access;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class AccessTest
+{
+    @Test
+    void removeTokenTest()
+    {
+        final Access access = new Access(null, null, null, null, new AccessToken(), null);
+
+        access.removeToken();
+
+        assertNull(access.getToken());
+    }
+
+    @Test
+    void setTokenTest()
+    {
+        final Access access = new Access();
+
+        access.setToken(new AccessToken());
+
+        assertNotNull(access.getToken());
+    }
+
+    @Test
+    void updatePasswordTest()
+    {
+        final Access access = new Access(null,null, "TestPassword", null, null, null);
+
+        access.updatePassword("NewTestPassword");
+
+        assertEquals("NewTestPassword", access.getPassword(), "Should update password.");
+    }
+
+    @Test
+    void renameTest()
+    {
+        final Access access = new Access(null, "TestName", null, null, null, null);
+
+        access.rename("NewTestName");
+
+        assertEquals("NewTestName", access.getName(), "Should update name.");
+    }
+}

fh.fd.ci.server/src/test/java/de/fd/fh/server/access/AccessTokenTest.java

@@ -28,4 +28,22 @@ class AccessTokenTest
         assertEquals(result.getRole(), Role.USER);
         assertEquals(result.getUserId(), UserId.of("12345"));
     }
+
+    @Test
+    void testPrePersist()
+    {
+        final Access access = new Access(
+                "testId",
+                "testName",
+                "testPwd",
+                UserId.of("12345"),
+                null,
+                Role.USER);
+
+        final AccessToken accessToken = AccessToken.of(access);
+
+        accessToken.prePersist();
+
+        assertNotNull(accessToken.getCreatedDate());
+    }
 }

fh.fd.ci.server/src/test/java/de/fd/fh/server/access/web/AccessControllerTest.java

@@ -0,0 +1,225 @@
+package de.fd.fh.server.access.web;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import de.fd.fh.server.access.AccessService;
+import de.fd.fh.server.access.AccessToken;
+import de.fd.fh.server.access.Role;
+import de.fd.fh.server.user.UserId;
+import de.fd.fh.shared.network.messages.LoginRequest;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import spark.Request;
+import spark.Response;
+import spark.Session;
+
+import java.io.IOException;
+import java.time.LocalDateTime;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.then;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+class AccessControllerTest
+{
+    @Mock
+    Request request;
+    @Mock
+    Response response;
+    @Mock
+    Session session;
+    @Mock
+    AccessService service;
+
+    @BeforeEach
+    void before()
+    {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    void deletePlayerTest()
+    {
+        when(request.params(any())).thenReturn("12345");
+        when(request.session()).thenReturn(session);
+        when(session.attribute(any())).thenReturn(new AccessToken());
+        when(service.deleteAccount(any(), any())).thenReturn(true);
+
+        final ArgumentCaptor<Integer> captor = ArgumentCaptor.forClass(Integer.class);
+
+        new AccessController(service).deletePlayer(request, response);
+
+        verify(response).status(captor.capture());
+
+        then(service).should().deleteAccount(any(), any());
+        then(service).shouldHaveNoMoreInteractions();
+
+        assertEquals(captor.getValue(), Integer.valueOf(200), "Should return Status code 200.");
+    }
+
+    @Test
+    void failedDeletePlayerTest()
+    {
+        when(request.params(any())).thenReturn("12345");
+        when(request.session()).thenReturn(session);
+        when(session.attribute(any())).thenReturn(new AccessToken());
+        when(service.deleteAccount(any(), any())).thenReturn(false);
+
+        final ArgumentCaptor<Integer> captor = ArgumentCaptor.forClass(Integer.class);
+
+        new AccessController(service).deletePlayer(request, response);
+
+        verify(response).status(captor.capture());
+
+        then(service).should().deleteAccount(any(), any());
+        then(service).shouldHaveNoMoreInteractions();
+
+        assertEquals(captor.getValue(), Integer.valueOf(400), "Should return Status code 400.");
+    }
+
+    @Test
+    void testLogout()
+    {
+        when(request.headers(any())).thenReturn("testHeader");
+        when(service.logout(any())).thenReturn(true);
+
+        final ArgumentCaptor<Integer> captor = ArgumentCaptor.forClass(Integer.class);
+
+        new AccessController(service).logout(request, response);
+
+        verify(response).status(captor.capture());
+
+        then(service).should().logout(any());
+        then(service).shouldHaveNoMoreInteractions();
+
+        assertEquals(captor.getValue(), Integer.valueOf(200), "Should return Status code 200.");
+    }
+
+    @Test
+    void failedLogoutTest()
+    {
+        when(request.headers(any())).thenReturn("testHeader");
+        when(service.logout(any())).thenReturn(false);
+
+        final ArgumentCaptor<Integer> captor = ArgumentCaptor.forClass(Integer.class);
+
+        new AccessController(service).logout(request, response);
+
+        verify(response).status(captor.capture());
+
+        then(service).should().logout(any());
+        then(service).shouldHaveNoMoreInteractions();
+
+        assertEquals(captor.getValue(), Integer.valueOf(400), "Should return Status code 400.");
+    }
+
+    @Test
+    void loginTest() throws JsonProcessingException
+    {
+        final LoginRequest dummy = new LoginRequest();
+        dummy.setName("TestName");
+        dummy.setToken("TestToken");
+        dummy.setUserId("12345");
+
+        when(request.headers(any())).thenReturn("testHeader");
+        when(service.authorization(any())).thenReturn(dummy);
+
+        final ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);
+        final ArgumentCaptor<String> typeCaptor = ArgumentCaptor.forClass(String.class);
+        final ArgumentCaptor<String> bodyCaptor = ArgumentCaptor.forClass(String.class);
+
+        new AccessController(service).login(request, response);
+
+        verify(response).status(statusCaptor.capture());
+        verify(response).type(typeCaptor.capture());
+        verify(response).body(bodyCaptor.capture());
+
+        then(service).should().authorization(any());
+        then(service).shouldHaveNoMoreInteractions();
+
+        assertEquals(Integer.valueOf(200), statusCaptor.getValue(), "Should return Status code 200.");
+        assertEquals("application/json", typeCaptor.getValue(), "Should have return type json.");
+        assertEquals("{\"name\":\"TestName\",\"userId\":\"12345\",\"token\":\"TestToken\"}",
+                bodyCaptor.getValue(), "Should return correct Body.");
+    }
+
+    @Test
+    void failedLoginTest() throws JsonProcessingException
+    {
+        when(request.headers(any())).thenReturn("testHeader");
+        when(service.authorization(any())).thenReturn(null);
+
+        final ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);
+
+        new AccessController(service).login(request, response);
+
+        verify(response).status(statusCaptor.capture());
+
+        then(service).should().authorization(any());
+        then(service).shouldHaveNoMoreInteractions();
+
+        assertEquals(Integer.valueOf(401), statusCaptor.getValue(), "Should return Status code 401.");
+    }
+
+    @Test
+    void registrateTest() throws IOException
+    {
+        when(request.body()).thenReturn("{\"userName\":\"TestName\",\"password\":\"TestPassword\"}");
+
+        when(service.createPlayer(any())).thenReturn(true);
+
+        final ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);
+
+        new AccessController(service).registrate(request, response);
+
+        verify(response).status(statusCaptor.capture());
+
+        then(service).should().createPlayer(any());
+        then(service).shouldHaveNoMoreInteractions();
+        assertEquals(Integer.valueOf(201), statusCaptor.getValue(), "Should return Status code 201.");
+    }
+
+    @Test
+    void failedRegistrateTest() throws IOException
+    {
+        when(request.body()).thenReturn("{\"userName\":\"TestName\",\"password\":\"TestPassword\"}");
+
+        when(service.createPlayer(any())).thenReturn(false);
+
+        final ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);
+
+        new AccessController(service).registrate(request, response);
+
+        verify(response).status(statusCaptor.capture());
+
+        then(service).should().createPlayer(any());
+        then(service).shouldHaveNoMoreInteractions();
+        assertEquals(Integer.valueOf(400), statusCaptor.getValue(), "Should return Status code 400.");
+    }
+
+    @Test
+    void testBefore()
+    {
+        final AccessToken dummy = new AccessToken("TestToken", LocalDateTime.now(), Role.USER, UserId.random());
+
+        when(request.pathInfo()).thenReturn("/test/path");
+        when(request.headers(any())).thenReturn("TestAuthHeader");
+        when(request.session()).thenReturn(session);
+        when(service.before(any(), any()))
+                .thenReturn(dummy);
+
+        final ArgumentCaptor<AccessToken> captor = ArgumentCaptor.forClass(AccessToken.class);
+
+        new AccessController(service).before(request);
+
+        verify(session).attribute(any(), captor.capture());
+
+        assertEquals(dummy, captor.getValue(), "Should store Token in Session");
+        then(service).should().before(any(), any());
+        then(service).shouldHaveNoMoreInteractions();
+    }
+}

fh.fd.ci.server/src/test/java/de/fd/fh/server/user/UserServiceTest.java

@@ -9,8 +9,10 @@ import org.mockito.ArgumentCaptor;
 import java.util.Observable;
 import java.util.Observer;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.then;
 import static org.mockito.Mockito.*;
 
 class UserServiceTest implements Observer
@@ -29,19 +31,45 @@ class UserServiceTest implements Observer
         final User user =
                 User.of("testName");
         final ChangeUserRequest request =
-                new ChangeUserRequest("testName", "newPassword");
+                new ChangeUserRequest(null, "newPassword");
         final UserRepository repository = mock(UserRepository.class);
         when(repository.findUserById(any(UserId.class)))
                 .thenReturn(user);
 
-        final UserService service = new UserService(repository);
+        final de.fd.fh.server.user.UserService service = new de.fd.fh.server.user.UserService(repository);
+        service.addObserver(this);
+
+        service.changePlayer(UserId.of("12345"), request);
+
+        assertNotNull(event);
+    }
+
+    @Test
+    void given_storedUser_when_changeUserName_should_renameAndFireEvent()
+    {
+        final User user =
+                User.of("testName");
+        final ChangeUserRequest request =
+                new ChangeUserRequest("newTestName", null);
+        final UserRepository repository = mock(UserRepository.class);
+        when(repository.findUserById(any(UserId.class)))
+                .thenReturn(user);
+        when(repository.findUserByName(any()))
+                .thenReturn(null);
+
+        final de.fd.fh.server.user.UserService service = new de.fd.fh.server.user.UserService(repository);
         service.addObserver(this);
         final ArgumentCaptor<User> captor = ArgumentCaptor.forClass(User.class);
 
         service.changePlayer(UserId.of("12345"), request);
-        verify(repository).save(captor.capture());
 
+        then(repository).should().findUserById(any(UserId.class));
+        then(repository).should().findUserByName(any());
+        verify(repository).save(captor.capture());
+        then(repository).should().save(any());
+        then(repository).shouldHaveNoMoreInteractions();
         assertNotNull(captor.getValue(), "Should be saved");
+        assertEquals(captor.getValue().getName(), "newTestName", "User should have new name");
         assertNotNull(event);
     }
 
@@ -68,7 +96,7 @@ class UserServiceTest implements Observer
         when(repository.findUserById(any(UserId.class)))
                 .thenReturn(user);
 
-        final UserRequest result = new UserService(repository).getSmallPlayer(UserId.of("12345"));
+        final UserRequest result = new de.fd.fh.server.user.UserService(repository).getSmallPlayer(UserId.of("12345"));
 
         assertNotNull(result);
         assertEquals("12345", result.getId(), "Wrong UserId");

fh.fd.ci.server/src/test/java/de/fd/fh/server/user/UserTest.java

@@ -0,0 +1,28 @@
+package de.fd.fh.server.user;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class UserTest
+{
+    @Test
+    void testRename()
+    {
+        final User user = new User(UserId.random(), "TestName");
+
+        user.rename("NewTestName");
+
+        assertEquals("NewTestName", user.getName(), "Should rename user.");
+    }
+
+    @Test
+    void failedRenameTest()
+    {
+        final User user = new User(UserId.random(), "TestName");
+
+        user.rename(null);
+
+        assertEquals("TestName", user.getName(), "Should rename user.");
+    }
+}

fh.fd.ci.server/src/test/java/de/fd/fh/server/user/web/UserControllerTest.java

@@ -0,0 +1,174 @@
+package de.fd.fh.server.user.web;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import de.fd.fh.server.access.AccessToken;
+import de.fd.fh.server.user.User;
+import de.fd.fh.server.user.UserId;
+import de.fd.fh.server.user.UserService;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import spark.Request;
+import spark.Response;
+import spark.Session;
+
+import java.io.IOException;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.then;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+class UserControllerTest
+{
+    @Mock
+    Request request;
+    @Mock
+    Response response;
+    @Mock
+    Session session;
+    @Mock
+    UserService service;
+
+    @BeforeEach
+    void before()
+    {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    void getUserTest() throws JsonProcessingException
+    {
+        when(request.params(any())).thenReturn("12345");
+        when(service.getSmallPlayer(any())).thenReturn(new UserRequest("12345", "TestName"));
+
+        final ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);
+
+        final Response result = new UserController(service).getUser(request, response);
+
+        verify(response).body(captor.capture());
+
+        assertEquals(response, result, "Should return the incomming response.");
+        assertEquals("{\"id\":\"12345\",\"name\":\"TestName\"}", captor.getValue(),
+                "Should return UserRequest in Body.");
+        then(service).should().getSmallPlayer(any());
+    }
+
+    @Test
+    void failedGetUserTest() throws JsonProcessingException
+    {
+        when(request.params(any())).thenReturn("12345");
+        when(service.getSmallPlayer(any())).thenReturn(null);
+
+        final ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);
+
+        final Response result = new UserController(service).getUser(request, response);
+
+        verify(response).status(statusCaptor.capture());
+
+        assertEquals(response, result, "Should return the incomming response.");
+        assertEquals(Integer.valueOf(404), statusCaptor.getValue(), "Should return not found status code.");
+        then(service).should().getSmallPlayer(any());
+        then(service).shouldHaveNoMoreInteractions();
+    }
+
+    @Test
+    void getCompleteUserTest() throws JsonProcessingException
+    {
+        when(request.session()).thenReturn(session);
+        when(session.attribute(any())).thenReturn(
+                new AccessToken(null, null, null, UserId.of("12345")));
+        when(service.getPlayer(any(UserId.class))).thenReturn(User.of("TestName"));
+
+        final ArgumentCaptor<Integer> statusCapture = ArgumentCaptor.forClass(Integer.class);
+        final ArgumentCaptor<String> bodyCapture = ArgumentCaptor.forClass(String.class);
+        final ArgumentCaptor<String> typeCapture = ArgumentCaptor.forClass(String.class);
+
+        final Response result = new UserController(service).getCompleteUser(request, response);
+
+        verify(response).status(statusCapture.capture());
+        verify(response).type(typeCapture.capture());
+        verify(response).body(bodyCapture.capture());
+
+        assertEquals(response, result, "Should return the incoming Response");
+        assertEquals(Integer.valueOf(200), statusCapture.getValue(), "Should return status code 200.");
+        assertEquals("application/json", typeCapture.getValue(), "Should have content type json.");
+        assertEquals("{\"id\":null,\"name\":\"TestName\"}", bodyCapture.getValue(), "Should return user as json.");
+
+        then(service).should().getPlayer(any());
+        then(service).shouldHaveNoMoreInteractions();
+    }
+
+    @Test
+    void failedGetCompleteUserTest() throws JsonProcessingException
+    {
+        when(request.session()).thenReturn(session);
+        when(session.attribute(any())).thenReturn(
+                new AccessToken(null, null, null, UserId.of("12345")));
+        when(service.getPlayer(any(UserId.class))).thenReturn(null);
+
+        final ArgumentCaptor<Integer> capture = ArgumentCaptor.forClass(Integer.class);
+
+        final Response result = new UserController(service).getCompleteUser(request, response);
+
+        verify(response).status(capture.capture());
+
+        assertEquals(response, result, "Should return the incoming Response");
+        assertEquals(Integer.valueOf(404), capture.getValue(), "Should return status code 200.");
+        then(service).should().getPlayer(any());
+        then(service).shouldHaveNoMoreInteractions();
+    }
+
+    @Test
+    void updateUserTest() throws IOException
+    {
+        when(request.session()).thenReturn(session);
+        when(session.attribute(any())).thenReturn(
+                new AccessToken(null, null, null, UserId.of("12345")));
+        when(request.body()).thenReturn("{\"name\":\"TestName\",\"password\":\"TestPassword\"}");
+        when(service.changePlayer(any(), any())).thenReturn(new User(UserId.of("12345"), "TestName"));
+
+        final ArgumentCaptor<Integer> statusCapture = ArgumentCaptor.forClass(Integer.class);
+        final ArgumentCaptor<String> bodyCapture = ArgumentCaptor.forClass(String.class);
+        final ArgumentCaptor<String> typeCapture = ArgumentCaptor.forClass(String.class);
+
+        final Response result = new UserController(service).updateUser(request, response);
+
+        verify(response).status(statusCapture.capture());
+        verify(response).type(typeCapture.capture());
+        verify(response).body(bodyCapture.capture());
+
+        assertEquals(response, result, "Should return the incoming Response");
+        assertEquals(Integer.valueOf(200), statusCapture.getValue(), "Should return status code 200.");
+        assertEquals("application/json", typeCapture.getValue(), "Should have content type json.");
+        assertEquals("{\"id\":{\"identifier\":\"12345\"},\"name\":\"TestName\"}", bodyCapture.getValue(), "Should return user as json.");
+
+        then(service).should().changePlayer(any(), any());
+        then(service).shouldHaveNoMoreInteractions();
+    }
+
+    @Test
+    void failedUpdateUserTest() throws IOException
+    {
+        when(request.session()).thenReturn(session);
+        when(session.attribute(any())).thenReturn(
+                new AccessToken(null, null, null, UserId.of("12345")));
+        when(request.body()).thenReturn("{\"name\":\"TestName\",\"password\":\"TestPassword\"}");
+        when(service.changePlayer(any(), any())).thenReturn(null);
+
+        final ArgumentCaptor<Integer> statusCapture = ArgumentCaptor.forClass(Integer.class);
+
+        final Response result = new UserController(service).updateUser(request, response);
+
+        verify(response).status(statusCapture.capture());
+
+        assertEquals(response, result, "Should return the incoming Response");
+        assertEquals(Integer.valueOf(400), statusCapture.getValue(), "Should return status code 400.");
+
+        then(service).should().changePlayer(any(), any());
+        then(service).shouldHaveNoMoreInteractions();
+    }
+}

fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/RegistrateRequest.java

@@ -2,9 +2,11 @@ package de.fd.fh.shared.network.messages;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
 @AllArgsConstructor(staticName = "of")
+@NoArgsConstructor
 public class RegistrateRequest
 {
     private String userName;