Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add unit tests for LikeService methods #549

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Add unit tests for LikeService methods #549

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
266 changes: 266 additions & 0 deletions backend/src/test/java/service/LikeServiceUnitTest.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,266 @@
package service;

import java.util.List;
import java.util.Optional;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import static org.mockito.Mockito.when;
import org.mockito.MockitoAnnotations;
import org.springframework.web.client.RestTemplate;

import com.bounswe2024group10.Tradeverse.dto.like.GetLikedPostsRequest;
import com.bounswe2024group10.Tradeverse.dto.like.GetLikedPostsResponse;
import com.bounswe2024group10.Tradeverse.dto.like.GetLikersRequest;
import com.bounswe2024group10.Tradeverse.dto.like.GetLikersResponse;
import com.bounswe2024group10.Tradeverse.dto.like.LikePostRequest;
import com.bounswe2024group10.Tradeverse.dto.like.LikePostResponse;
import com.bounswe2024group10.Tradeverse.dto.like.UnlikePostRequest;
import com.bounswe2024group10.Tradeverse.dto.like.UnlikePostResponse;
import com.bounswe2024group10.Tradeverse.model.Like;
import com.bounswe2024group10.Tradeverse.model.Post;
import com.bounswe2024group10.Tradeverse.model.User;
import com.bounswe2024group10.Tradeverse.repository.DislikeRepository;
import com.bounswe2024group10.Tradeverse.repository.LikeRepository;
import com.bounswe2024group10.Tradeverse.repository.PostRepository;
import com.bounswe2024group10.Tradeverse.repository.UserRepository;
import com.bounswe2024group10.Tradeverse.service.LikeService;

public class LikeServiceUnitTest {

@InjectMocks
private LikeService likeService;

@Mock
private PostRepository postRepository;

@Mock
private UserRepository userRepository;

@Mock
private LikeRepository likeRepository;

@Mock
private DislikeRepository dislikeRepository;

@Mock
private RestTemplate restTemplate;

@BeforeEach
public void setUp() {
MockitoAnnotations.openMocks(this);
}

@Test
public void testLikePost_UserDoesNotExist() {
LikePostRequest request = new LikePostRequest();
request.setUsername("nonexistentUser");
request.setPostId(1L);
when(userRepository.findByUsername(request.getUsername())).thenReturn(null);

LikePostResponse response = likeService.likePost(request);

assertFalse(response.isSuccessful());
assertEquals("User does not exist", response.getMessage());
}

@Test
public void testLikePost_PostDoesNotExist() {
LikePostRequest request = new LikePostRequest();
request.setUsername("existingUser");
request.setPostId(1L);
User user = new User();
user.setUsername("existingUser");
when(userRepository.findByUsername(request.getUsername())).thenReturn(user);
when(postRepository.findById(request.getPostId())).thenReturn(Optional.empty());

LikePostResponse response = likeService.likePost(request);

assertFalse(response.isSuccessful());
assertEquals("Post does not exist", response.getMessage());
}

@Test
public void testLikePost_AlreadyLiked() {
LikePostRequest request = new LikePostRequest();
request.setUsername("existingUser");
request.setPostId(1L);
User user = new User();
user.setUsername("existingUser");
Post post = new Post();
post.setId(1L);
when(userRepository.findByUsername(request.getUsername())).thenReturn(user);
when(postRepository.findById(request.getPostId())).thenReturn(Optional.of(post));
when(likeRepository.findByUsernameAndPostID(user.getUsername(), request.getPostId())).thenReturn(new Like());

LikePostResponse response = likeService.likePost(request);

assertFalse(response.isSuccessful());
assertEquals("You have already liked this post", response.getMessage());
}

@Test
public void testLikePost_Success() {
LikePostRequest request = new LikePostRequest();
request.setUsername("existingUser");
request.setPostId(1L);
User user = new User();
user.setUsername("existingUser");
Post post = new Post();
post.setId(1L);
when(userRepository.findByUsername(request.getUsername())).thenReturn(user);
when(postRepository.findById(request.getPostId())).thenReturn(Optional.of(post));
when(likeRepository.findByUsernameAndPostID(user.getUsername(), request.getPostId())).thenReturn(null);
when(dislikeRepository.findByUsernameAndPostID(user.getUsername(), request.getPostId())).thenReturn(null);

LikePostResponse response = likeService.likePost(request);

assertTrue(response.isSuccessful());
assertEquals("Post liked successfully", response.getMessage());
}

@Test
public void testUnlikePost_UserDoesNotExist() {
UnlikePostRequest request = new UnlikePostRequest();
request.setUsername("nonexistentUser");
request.setPostId(1L);
when(userRepository.findByUsername(request.getUsername())).thenReturn(null);

UnlikePostResponse response = likeService.unlikePost(request);

assertFalse(response.isSuccessful());
assertEquals("User does not exist", response.getMessage());
}

@Test
public void testUnlikePost_PostDoesNotExist() {
UnlikePostRequest request = new UnlikePostRequest();
request.setUsername("existingUser");
request.setPostId(1L);
User user = new User();
user.setUsername("existingUser");
when(userRepository.findByUsername(request.getUsername())).thenReturn(user);
when(postRepository.findById(request.getPostId())).thenReturn(Optional.empty());

UnlikePostResponse response = likeService.unlikePost(request);

assertFalse(response.isSuccessful());
assertEquals("Post does not exist", response.getMessage());
}

@Test
public void testUnlikePost_NotLiked() {
UnlikePostRequest request = new UnlikePostRequest();
request.setUsername("existingUser");
request.setPostId(1L);
User user = new User();
user.setUsername("existingUser");
Post post = new Post();
post.setId(1L);
when(userRepository.findByUsername(request.getUsername())).thenReturn(user);
when(postRepository.findById(request.getPostId())).thenReturn(Optional.of(post));
when(likeRepository.findByUsernameAndPostID(user.getUsername(), request.getPostId())).thenReturn(null);

UnlikePostResponse response = likeService.unlikePost(request);

assertFalse(response.isSuccessful());
assertEquals("You have not liked this post", response.getMessage());
}

@Test
public void testUnlikePost_Success() {
UnlikePostRequest request = new UnlikePostRequest();
request.setUsername("existingUser");
request.setPostId(1L);
User user = new User();
user.setUsername("existingUser");
Post post = new Post();
post.setId(1L);
Like like = new Like();
when(userRepository.findByUsername(request.getUsername())).thenReturn(user);
when(postRepository.findById(request.getPostId())).thenReturn(Optional.of(post));
when(likeRepository.findByUsernameAndPostID(user.getUsername(), request.getPostId())).thenReturn(like);

UnlikePostResponse response = likeService.unlikePost(request);

assertTrue(response.isSuccessful());
assertEquals("Post unliked successfully", response.getMessage());
}

@Test
public void testGetLikedPosts_UserDoesNotExist() {
GetLikedPostsRequest request = new GetLikedPostsRequest();
request.setUsername("nonexistentUser");
when(userRepository.findByUsername(request.getUsername())).thenReturn(null);

GetLikedPostsResponse response = likeService.getLikedPosts(request);

assertFalse(response.isSuccessful());
assertEquals("User does not exist", response.getMessage());
assertEquals(null, response.getLikedPosts());
}

@Test
public void testGetLikedPosts_Success() {
GetLikedPostsRequest request = new GetLikedPostsRequest();
request.setUsername("existingUser");
User user = new User();
user.setUsername("existingUser");
Like like1 = new Like("existingUser", 1L);
Like like2 = new Like("existingUser", 2L);
Post post1 = new Post();
post1.setId(1L);
Post post2 = new Post();
post2.setId(2L);
when(userRepository.findByUsername(request.getUsername())).thenReturn(user);
when(likeRepository.findByUsername(user.getUsername())).thenReturn(List.of(like1, like2));
when(postRepository.findAllById(List.of(1L, 2L))).thenReturn(List.of(post1, post2));

GetLikedPostsResponse response = likeService.getLikedPosts(request);

assertTrue(response.isSuccessful());
assertEquals("Liked posts retrieved successfully", response.getMessage());
assertEquals(2, response.getLikedPosts().size());
assertTrue(response.getLikedPosts().contains(post1));
assertTrue(response.getLikedPosts().contains(post2));
}

@Test
public void testGetLikersOfPost_PostDoesNotExist() {
GetLikersRequest request = new GetLikersRequest();
request.setPostId(1L);
when(postRepository.findById(request.getPostId())).thenReturn(Optional.empty());

GetLikersResponse response = likeService.getLikersOfPost(request);

assertFalse(response.isSuccessful());
assertEquals("Post does not exist", response.getMessage());
assertEquals(null, response.getLikers());
}

@Test
public void testGetLikersOfPost_Success() {
GetLikersRequest request = new GetLikersRequest();
request.setPostId(1L);
Post post = new Post();
post.setId(1L);
Like like1 = new Like("user1", 1L);
Like like2 = new Like("user2", 1L);
when(postRepository.findById(request.getPostId())).thenReturn(Optional.of(post));
when(likeRepository.findByPostID(post.getId())).thenReturn(List.of(like1, like2));

GetLikersResponse response = likeService.getLikersOfPost(request);

assertTrue(response.isSuccessful());
assertEquals("Likers retrieved successfully", response.getMessage());
assertEquals(2, response.getLikers().size());
assertTrue(response.getLikers().contains("user1"));
assertTrue(response.getLikers().contains("user2"));
}

}