#4 test: 정상적으로 글이 들어오는 컨트롤러 테스트

src/test/java/com/example/board/controller/PostControllerTest.java

@@ -0,0 +1,48 @@
+package com.example.board.controller;
+
+import com.example.board.dto.PostDto;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.DisplayName;
+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.boot.test.mock.mockito.MockBean;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+class PostControllerTest {
+
+    @MockBean
+    PostController postController;
+
+    @Autowired
+    MockMvc mockMvc;
+
+    @Autowired
+    ObjectMapper objectMapper;
+
+    @Test
+    @DisplayName("정상적으로 게시글을 등록하는 상황")
+    void postSuccess() throws Exception {
+        //given
+        PostDto postDto = new PostDto(1, "test", "test Contents");
+
+        //when, then
+        mockMvc.perform(post("http://localhost:8080/api/v1/posts")
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(objectMapper.writeValueAsBytes(postDto)))
+                .andExpect(status().isOk())
+                .andDo(print());
+    }
+
+}