add missing UserTest and add changeUserName behavior

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/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/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.");
+    }
+}