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feat: created service UpdatePostService
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‎src/main/java/com/joaov1ct0r/restful_api_users_java/modules/posts/dtos/UpdatePostDTO.java

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package com.joaov1ct0r.restful_api_users_java.modules.posts.dtos;
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public class UpdatePostDTO {
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private String content;
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private String id;
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public UpdatePostDTO() {}
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public UpdatePostDTO(String id, String content) {
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this.id = id;
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this.content = content;
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}
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public String getContent() {
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return this.content;
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}
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public void setContent(String content) {
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this.content = content;
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}
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public String getId() {
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return this.id;
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}
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public void setId(String id) {
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this.id = id;
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}
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}

‎src/main/java/com/joaov1ct0r/restful_api_users_java/modules/posts/services/UpdatePostService.java

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package com.joaov1ct0r.restful_api_users_java.modules.posts.services;
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import com.joaov1ct0r.restful_api_users_java.modules.domain.services.BaseService;
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import com.joaov1ct0r.restful_api_users_java.modules.posts.dtos.PostDTO;
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import com.joaov1ct0r.restful_api_users_java.modules.posts.dtos.UpdatePostDTO;
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import com.joaov1ct0r.restful_api_users_java.modules.posts.entities.PostEntity;
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import com.joaov1ct0r.restful_api_users_java.modules.posts.mappers.PostMapper;
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import com.joaov1ct0r.restful_api_users_java.modules.posts.repositories.PostRepository;
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import com.joaov1ct0r.restful_api_users_java.modules.users.entities.UserEntity;
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import com.joaov1ct0r.restful_api_users_java.modules.users.repositories.UserRepository;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.util.Optional;
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import java.util.UUID;
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@Service
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public class UpdatePostService extends BaseService {
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@Autowired
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private UserRepository userRepository;
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@Autowired
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private PostRepository postRepository;
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public PostDTO execute(UpdatePostDTO postDTO, UUID userId) {
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Optional<UserEntity> user = this.userRepository.findById(userId);
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boolean userIsNotFound = user.isEmpty();
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if (userIsNotFound) {
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this.generateErrorLog(
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userId,
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400,
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"Usuário com id: " + userId + " tentou atualizar um post, porem usuário não foi encontrado!"
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);
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throw this.badRequestException("Usuário não encontrado!");
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}
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Optional<PostEntity> post = this.postRepository.findById(UUID.fromString(postDTO.getId()));
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boolean postIsNotFound = post.isEmpty();
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if (postIsNotFound) {
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this.generateErrorLog(
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userId,
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400,
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"Usuário com id: " + userId + " tentou atualizar um post, porem post não foi encontrado!"
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);
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throw this.badRequestException("Post não encontrado!");
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}
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boolean userIsOwnerOfPost = user.get().getId().equals(post.get().getUserWhoCreatedId());
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if (!userIsOwnerOfPost) {
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this.generateErrorLog(
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userId,
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403,
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"Usuário com id: " + userId + " tentou atualizar um post, porem não tem permissão"
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);
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throw this.forbiddenException("Não permitido!");
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}
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PostEntity postToUpdate = post.get();
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postToUpdate.setContent(postDTO.getContent());
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PostEntity updatedPost = this.postRepository.save(postToUpdate);
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return PostMapper.toDTO(updatedPost);
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}
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}

‎src/test/java/com/joaov1ct0r/restful_api_users_java/modules/posts/services/UpdatePostServiceTest.java

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package com.joaov1ct0r.restful_api_users_java.modules.posts.services;
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import com.joaov1ct0r.restful_api_users_java.modules.domain.entities.ErrorLogEntity;
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import com.joaov1ct0r.restful_api_users_java.modules.domain.exceptions.BadRequestException;
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import com.joaov1ct0r.restful_api_users_java.modules.domain.exceptions.ForbiddenException;
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import com.joaov1ct0r.restful_api_users_java.modules.domain.repositories.ErrorLogsRepository;
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import com.joaov1ct0r.restful_api_users_java.modules.posts.dtos.PostDTO;
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import com.joaov1ct0r.restful_api_users_java.modules.posts.dtos.UpdatePostDTO;
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import com.joaov1ct0r.restful_api_users_java.modules.posts.entities.PostEntity;
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import com.joaov1ct0r.restful_api_users_java.modules.posts.repositories.PostRepository;
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import com.joaov1ct0r.restful_api_users_java.modules.users.entities.UserEntity;
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import com.joaov1ct0r.restful_api_users_java.modules.users.repositories.UserRepository;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.mockito.InjectMocks;
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import org.mockito.Mock;
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import org.mockito.Mockito;
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import org.mockito.junit.jupiter.MockitoExtension;
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import org.mockito.junit.jupiter.MockitoSettings;
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import org.mockito.quality.Strictness;
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import java.time.LocalDateTime;
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import java.util.Optional;
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import java.util.UUID;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.mockito.Mockito.when;
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import static org.mockito.Mockito.any;
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@ExtendWith(MockitoExtension.class)
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@MockitoSettings(strictness = Strictness.LENIENT)
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public class UpdatePostServiceTest {
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@InjectMocks
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private UpdatePostService sut;
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@Mock
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private PostRepository postRepository;
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@Mock
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private UserRepository userRepository;
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@Mock
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private ErrorLogsRepository errorLogsRepository;
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@BeforeEach
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public void beforeEachSetUp() {
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Mockito.reset(this.postRepository);
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Mockito.reset(this.userRepository);
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Mockito.reset(this.errorLogsRepository);
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when(
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this.errorLogsRepository.save(
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any()
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)
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).thenReturn(
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new ErrorLogEntity(
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UUID.randomUUID(),
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UUID.randomUUID(),
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LocalDateTime.now(),
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400,
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"any_description"
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)
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);
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}
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@Test
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@DisplayName("Should not be able to update a post if user is not found")
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public void shouldNotBeAbleToUpdateAPostIfUserIsNotFound() {
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UUID userId = UUID.randomUUID();
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UpdatePostDTO updatePostDTO = new UpdatePostDTO();
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when(this.userRepository.findById(any())).thenReturn(Optional.empty());
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try {
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this.sut.execute(updatePostDTO, userId);
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} catch(Exception e) {
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assertThat(e).isInstanceOf(BadRequestException.class);
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}
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}
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@Test
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@DisplayName("Should not be able to update a post if a post is not found")
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public void shouldNotBeAbleToUpdateAPostIfPostIfNotFound() {
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UUID userId = UUID.randomUUID();
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UpdatePostDTO updatePostDTO = new UpdatePostDTO(UUID.randomUUID().toString(), "any_content");
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when(this.userRepository.findById(any())).thenReturn(
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Optional.of(
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new UserEntity(
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userId,
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"any_name",
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"[email protected]",
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"any_username",
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"any_password",
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"any_photo_url",
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LocalDateTime.now(),
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null
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)
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)
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);
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when(this.postRepository.findById(any())).thenReturn(Optional.empty());
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try {
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this.sut.execute(updatePostDTO, userId);
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} catch(Exception e) {
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assertThat(e).isInstanceOf(BadRequestException.class);
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}
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}
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@Test
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@DisplayName("Should not be able to update a post if user is not owner of post")
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public void shouldNotBeAbleToUpdateAPostIfUserIsNotOwnerOfPost() {
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UUID userId = UUID.randomUUID();
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UUID postId = UUID.randomUUID();
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UpdatePostDTO updatePostDTO = new UpdatePostDTO(postId.toString(), "any_content");
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when(this.userRepository.findById(any())).thenReturn(
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Optional.of(
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new UserEntity(
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userId,
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"any_name",
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"[email protected]",
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"any_username",
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"any_password",
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"any_photo_url",
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LocalDateTime.now(),
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null
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)
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)
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);
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when(this.postRepository.findById(any())).thenReturn(Optional.of(
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new PostEntity(
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postId,
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"any_other_content",
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LocalDateTime.now(),
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null,
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UUID.randomUUID()
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)
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));
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try {
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this.sut.execute(updatePostDTO, userId);
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} catch (Exception e) {
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assertThat(e).isInstanceOf(ForbiddenException.class);
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}
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}
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@Test
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@DisplayName("Should be able to update a post")
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public void shouldBeAbleToUpdateAPost() {
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UUID userId = UUID.randomUUID();
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UUID postId = UUID.randomUUID();
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UpdatePostDTO updatePostDTO = new UpdatePostDTO(postId.toString(), "any_content");
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when(this.userRepository.findById(any())).thenReturn(
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Optional.of(
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new UserEntity(
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userId,
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"any_name",
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"[email protected]",
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"any_username",
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"any_password",
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"any_photo_url",
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LocalDateTime.now(),
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null
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)
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)
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);
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when(this.postRepository.findById(any())).thenReturn(Optional.of(
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new PostEntity(
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postId,
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"any_other_content",
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LocalDateTime.now(),
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null,
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userId
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)
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));
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when(this.postRepository.save(any())).thenReturn(
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new PostEntity(
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postId,
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updatePostDTO.getContent(),
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LocalDateTime.now(),
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LocalDateTime.now(),
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userId
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)
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);
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PostDTO updatedPost = this.sut.execute(updatePostDTO, userId);
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assertThat(updatedPost.getUserWhoCreatedId()).isEqualTo(userId);
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}
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}

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