add UserService unit test, modify UserService

webwolf/src/main/java/org/owasp/webwolf/user/UserService.java

@@ -1,6 +1,6 @@
 package org.owasp.webwolf.user;
 
-import lombok.AllArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.stereotype.Service;
@@ -10,26 +10,27 @@ import org.springframework.stereotype.Service;
  * @since 3/19/17.
  */
 @Service
-@AllArgsConstructor
 public class UserService implements UserDetailsService {
 
-    private final UserRepository userRepository;
+    private UserRepository userRepository;
+
+    @Autowired
+    public UserService(final UserRepository userRepository) {
+        this.userRepository = userRepository;
+    }
 
     @Override
-    public WebGoatUser loadUserByUsername(String username) throws UsernameNotFoundException {
+    public WebGoatUser loadUserByUsername(final String username) throws UsernameNotFoundException {
         WebGoatUser webGoatUser = userRepository.findByUsername(username);
         if (webGoatUser == null) {
             throw new UsernameNotFoundException("User not found");
-        } else {
-            webGoatUser.createUser();
         }
+        webGoatUser.createUser();
         return webGoatUser;
     }
 
 
-    public void addUser(String username, String password) {
+    public void addUser(final String username, final String password) {
         userRepository.save(new WebGoatUser(username, password));
     }
-
-
 }