#24 simple sns: 포스트 작성 테스트 코드

simple_sns/src/main/java/com/example/sns/controller/request/PostCreateRequest.java

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+package com.example.sns.controller.request;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class PostCreateRequest {
+
+    private String title;
+    private String body;
+}

simple_sns/src/main/java/com/example/sns/model/entity/PostEntity.java

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+package com.example.sns.model.entity;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.hibernate.annotations.SQLDelete;
+import org.hibernate.annotations.Where;
+
+import javax.persistence.*;
+import java.sql.Timestamp;
+import java.time.Instant;
+
+@Entity
+@Table(name = "posts")
+@Getter
+@Setter
+@SQLDelete(sql = "UPDATE posts SET deleted_at = NOW() where id=?")
+@Where(clause = "deleted_at IS NULL")
+public class PostEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private String title;
+
+    @Column(columnDefinition = "TEXT")
+    private String body;
+
+    @ManyToOne
+    @JoinColumn(name = "user_id")
+    private UserEntity user;
+
+    private Timestamp registeredAt;
+    private Timestamp updatedAt;
+
+    @Column(name = "deleted_at")
+    private Timestamp deletedAt;
+
+    @PrePersist
+    void registeredAt() {
+        this.registeredAt = Timestamp.from(Instant.now());
+    }
+
+    @PreUpdate
+    void updatedAt() {
+        this.updatedAt = Timestamp.from(Instant.now());
+    }
+}

simple_sns/src/main/java/com/example/sns/repository/PostEntityRepository.java

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+package com.example.sns.repository;
+
+import com.example.sns.model.entity.PostEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface PostEntityRepository extends JpaRepository<PostEntity, Integer> {
+}

simple_sns/src/main/java/com/example/sns/service/PostService.java

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+package com.example.sns.service;
+
+import com.example.sns.exception.ErrorCode;
+import com.example.sns.exception.SnsApplicationException;
+import com.example.sns.model.entity.PostEntity;
+import com.example.sns.model.entity.UserEntity;
+import com.example.sns.repository.PostEntityRepository;
+import com.example.sns.repository.UserEntityRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class PostService {
+
+    private final PostEntityRepository postEntityRepository;
+    private final UserEntityRepository userEntityRepository;
+
+    @Transactional
+    public void create(String title, String body, String username) {
+
+        // TODO user find
+        UserEntity userEntity = userEntityRepository.findByUsername(username)
+                .orElseThrow(
+                        () -> new SnsApplicationException(
+                                ErrorCode.USER_NOT_FOUND,
+                                String.format("%s not founded", username)
+                        )
+                );
+
+        // TODO post save
+        postEntityRepository.save(new PostEntity());
+
+        // TODO return
+    }
+
+}

simple_sns/src/test/java/com/example/sns/controller/PostControllerTest.java

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+package com.example.sns.controller;
+
+import com.example.sns.controller.request.PostCreateRequest;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.security.test.context.support.WithAnonymousUser;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+public class PostControllerTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Autowired
+    private ObjectMapper objectMapper;
+
+    @Test
+    @WithMockUser
+    void 포스트작성() throws Exception {
+
+        String title = "title";
+        String body = "body";
+
+        mockMvc.perform(post("/api/v1/posts")
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(objectMapper.writeValueAsBytes(new PostCreateRequest(title, body)))
+                ).andDo(print())
+                .andExpect(status().isOk());
+    }
+
+    @Test
+    @WithAnonymousUser
+    void 포스트작성시_로그인하지않은경우() throws Exception {
+
+        String title = "title";
+        String body = "body";
+
+        mockMvc.perform(post("/api/v1/posts")
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(objectMapper.writeValueAsBytes(new PostCreateRequest(title, body)))
+                ).andDo(print())
+                .andExpect(status().isUnauthorized());
+    }
+}

simple_sns/src/test/java/com/example/sns/service/PostServiceTest.java

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+package com.example.sns.service;
+
+import com.example.sns.exception.ErrorCode;
+import com.example.sns.exception.SnsApplicationException;
+import com.example.sns.model.entity.PostEntity;
+import com.example.sns.model.entity.UserEntity;
+import com.example.sns.repository.PostEntityRepository;
+import com.example.sns.repository.UserEntityRepository;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+
+import java.util.Optional;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+@SpringBootTest
+public class PostServiceTest {
+
+    @Autowired
+    private PostService postService;
+
+    @MockBean
+    private PostEntityRepository postEntityRepository;
+
+    @MockBean
+    private UserEntityRepository userEntityRepository;
+
+    @Test
+    void 포스트작성이_성공한경우() {
+        String title = "title";
+        String body = "body";
+        String username = "username";
+
+        when(userEntityRepository.findByUsername(username)).thenReturn(Optional.of(mock(UserEntity.class)));
+        when(postEntityRepository.save(any())).thenReturn(mock(PostEntity.class));
+
+        assertDoesNotThrow(() -> postService.create(title, body, username));
+    }
+
+    @Test
+    void 포스트작성시_요청한유저가_존재하지않는경우() {
+        String title = "title";
+        String body = "body";
+        String username = "username";
+
+        when(userEntityRepository.findByUsername(username)).thenReturn(Optional.empty());
+        when(postEntityRepository.save(any())).thenReturn(mock(PostEntity.class));
+
+        SnsApplicationException e = assertThrows(
+                SnsApplicationException.class,
+                () -> postService.create(title, body, username)
+        );
+
+        assertEquals(ErrorCode.USER_NOT_FOUND, e.getErrorCode());
+    }
+}