test: PostControllerTest createPost가 성공하는 경우 200을 반환하는지 테스트 (#84)

be/src/test/java/com/secondhand/post/PostControllerTest.java

@@ -1,17 +1,27 @@
 package com.secondhand.post;
 
+import com.secondhand.post.dto.CreatePostResponseDto;
+import com.secondhand.post.dto.PostSaveDto;
 import com.secondhand.post.dto.SearchCondition;
+import com.secondhand.user.entity.User;
 import com.secondhand.user.login.JwtUtil;
+import com.secondhand.user.login.dto.LoggedInUser;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
+import org.springframework.mock.web.MockMultipartFile;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
+import java.util.Collections;
+
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.when;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
@@ -23,6 +33,7 @@ class PostControllerTest {
 
     @MockBean
     private PostService postService;
+
     @MockBean
     private JwtUtil jwtUtil;
 
@@ -37,11 +48,68 @@ void getPostTest() throws Exception {
 
         // when // then
         mockMvc.perform(MockMvcRequestBuilders.get("/posts")
-                .param("page", String.valueOf(pageable.getPageNumber()))
-                .param("size", String.valueOf(pageable.getPageSize()))
-                .param("category", String.valueOf(searchCondition.getCategory()))
-                .param("region", String.valueOf(searchCondition.getRegion())))
+                        .param("page", String.valueOf(pageable.getPageNumber()))
+                        .param("size", String.valueOf(pageable.getPageSize()))
+                        .param("category", String.valueOf(searchCondition.getCategory()))
+                        .param("region", String.valueOf(searchCondition.getRegion())))
                 .andExpect(status().isOk())
                 .andExpect(jsonPath("$.message").value("메인 화면 조회 성공"));
     }
+
+    @Test
+    @DisplayName("판매글을 정상적으로 생성하고 200 상태 코드를 반환하는지 확인한다.")
+    void createPostTest() throws Exception {
+        // given
+        PostSaveDto postSaveDto = getPostSaveDto();
+
+        User user = User.builder()
+                .id(2L)
+                .githubId(12345L)
+                .loginId("exampleLoginId")
+                .profileUrl("exampleProfileUrl")
+                .firstRegionId(1)
+                .build();
+
+        LoggedInUser mockUser = new LoggedInUser(user);
+
+        CreatePostResponseDto mockResponse = new CreatePostResponseDto(1L);
+
+        // when  interceptor 에서 검증 통과하도록 mocking
+        when(postService.createPost(Mockito.any(), Mockito.any())).thenReturn(mockResponse);
+
+        when(jwtUtil.validateTokenIsManipulated(anyString())).thenReturn(true);
+        when(jwtUtil.validateTokenIsExpired(anyString())).thenReturn(true);
+        when(jwtUtil.extractedUserFromToken(anyString())).thenReturn(mockUser);
+
+        // then
+        mockMvc.perform(MockMvcRequestBuilders.multipart("/posts")
+                        .file(mockMultipartFile())
+                        .param("title", postSaveDto.getTitle())
+                        .param("regionId", String.valueOf(postSaveDto.getRegionId()))
+                        .param("categoryId", String.valueOf(postSaveDto.getCategoryId()))
+                        .param("badgeId", String.valueOf(postSaveDto.getBadgeId()))
+                        .param("price", String.valueOf(postSaveDto.getPrice()))
+                        .param("content", postSaveDto.getContent())
+                        .header("Authorization", "Bearer token")
+                        .sessionAttr("loggedInUser", mockUser))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.status").value("success"))
+                .andExpect(jsonPath("$.code").value(200))
+                .andExpect(jsonPath("$.message").value("판매글 생성 성공"))
+                .andExpect(jsonPath("$.data.id").value(1L));
+    }
+
+    private MockMultipartFile mockMultipartFile() {
+        return new MockMultipartFile(
+                "photos", "sample.jpg", "image/jpeg", "sample-image".getBytes()
+        );
+    }
+
+    private PostSaveDto getPostSaveDto() {
+        return new PostSaveDto(
+                "Sample Title", 1, 1, 1, 10000L,
+                "Sample Content",
+                Collections.singletonList(mockMultipartFile())
+        );
+    }
 }