added forum service unit tests.

app/backend/src/main/java/com/app/gamereview/model/Profile.java

@@ -1,7 +1,9 @@
 package com.app.gamereview.model;
 
 import com.app.gamereview.model.common.BaseModel;
+import lombok.AllArgsConstructor;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import lombok.Setter;
 import org.springframework.data.annotation.TypeAlias;
 import org.springframework.data.mongodb.core.mapping.Document;
@@ -13,6 +15,8 @@
 @TypeAlias("Profile")
 @Getter
 @Setter
+@AllArgsConstructor
+@NoArgsConstructor
 public class Profile extends BaseModel {
     private String userId;      // user the profile is linked to
 

app/backend/src/test/java/com/app/gamereview/service/ForumServiceTest.java

@@ -0,0 +1,110 @@
+package com.app.gamereview.service;
+
+import com.app.gamereview.enums.ForumType;
+import com.app.gamereview.exception.ResourceNotFoundException;
+import com.app.gamereview.model.Forum;
+import com.app.gamereview.repository.ForumRepository;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.modelmapper.ModelMapper;
+import org.springframework.data.mongodb.core.MongoTemplate;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.*;
+
+class ForumServiceTest {
+
+    @Mock
+    private ForumRepository forumRepository;
+
+    @Mock
+    private MongoTemplate mongoTemplate;
+
+    @Mock
+    private ModelMapper modelMapper;
+
+    @InjectMocks
+    private ForumService forumService;
+
+    @BeforeEach
+    void setUp() {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    void banUser_SuccessfullyBanned() {
+        // Arrange
+        String forumId = "forum123";
+        String userId = "user456";
+        Forum forum = new Forum();
+        forum.setId(forumId);
+        forum.setName("ForumName");
+        forum.setType(ForumType.GROUP);
+        forum.setParent("ParentGroup");
+        forum.setSubscribers(new ArrayList<>());
+        forum.setBannedUsers(new ArrayList<>());
+        when(forumRepository.findById(forumId)).thenReturn(Optional.of(forum));
+
+        // Act
+        boolean result = forumService.banUser(forumId, userId);
+
+        // Assert
+        assertTrue(result);
+        assertTrue(forum.getBannedUsers().contains(userId));
+        verify(forumRepository, times(1)).save(forum);
+    }
+
+    @Test
+    void banUser_ForumNotFound() {
+        // Arrange
+        String forumId = "nonExistentForum";
+        String userId = "user123";
+        when(forumRepository.findById(forumId)).thenReturn(Optional.empty());
+
+        // Act & Assert
+        assertThrows(ResourceNotFoundException.class, () -> forumService.banUser(forumId, userId));
+        verify(forumRepository, never()).save(any());
+    }
+
+    @Test
+    void unbanUser_SuccessfullyUnbanned() {
+        // Arrange
+        String forumId = "forum789";
+        String userId = "user987";
+        Forum forum = new Forum();
+        forum.setId(forumId);
+        forum.setName("AnotherForum");
+        forum.setType(ForumType.GAME);
+        forum.setParent("ParentGame");
+        forum.setSubscribers(new ArrayList<>());
+        forum.setBannedUsers(new ArrayList<>(List.of(userId)));
+        when(forumRepository.findById(forumId)).thenReturn(Optional.of(forum));
+
+        // Act
+        boolean result = forumService.unbanUser(forumId, userId);
+
+        // Assert
+        assertTrue(result);
+        assertFalse(forum.getBannedUsers().contains(userId));
+        verify(forumRepository, times(1)).save(forum);
+    }
+
+    @Test
+    void unbanUser_ForumNotFound() {
+        // Arrange
+        String forumId = "nonExistentForum";
+        String userId = "user789";
+        when(forumRepository.findById(forumId)).thenReturn(Optional.empty());
+
+        // Act & Assert
+        assertThrows(ResourceNotFoundException.class, () -> forumService.unbanUser(forumId, userId));
+        verify(forumRepository, never()).save(any());
+    }
+}