#16 - 로그인 컨트롤러 테스트 + 시큐리티 설정을 컨트롤러 테스트에 반영

스프링 시큐리티가 자동 생성해준 `/login` 컨트롤러 테스트, 그리고 
시큐리티 설정을 부를 수 있도록 `@import` 추가

src/test/java/com/example/boardproject/controller/ArticleControllerTest.java

@@ -1,17 +1,20 @@
 package com.example.boardproject.controller;
 
+import com.example.boardproject.config.SecurityConfig;
 import org.junit.jupiter.api.Disabled;
 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.WebMvcTest;
+import org.springframework.context.annotation.Import;
 import org.springframework.http.MediaType;
 import org.springframework.test.web.servlet.MockMvc;
 
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
 @DisplayName("View 컨트롤러 - 게시글")
+@Import(SecurityConfig.class)
 @WebMvcTest(ArticleController.class)
 class ArticleControllerTest {
 
@@ -36,7 +39,6 @@ public void givenNothing_whenRequestingArticlesView_thenReturnsArticlesView() th
                 .andExpect(model().attributeExists("articles"));
     }
 
-    @Disabled("구현 중")
     @DisplayName("[view][GET] 게시글 상세 페이지 - 정상 호출")
     @Test
     public void givenNothing_whenRequestingArticleView_thenReturnsArticleView() throws Exception {

src/test/java/com/example/boardproject/controller/AuthControllerTest.java

@@ -0,0 +1,40 @@
+package com.example.boardproject.controller;
+
+import com.example.boardproject.config.SecurityConfig;
+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.WebMvcTest;
+import org.springframework.context.annotation.Import;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@DisplayName("View 컨트롤러 - 인증")
+@Import(SecurityConfig.class)
+@WebMvcTest
+public class AuthControllerTest {
+
+    private final MockMvc mvc;
+
+    // 슬라이스 테스트에서는 생성자를 통한 주입이여도 @Autowired 해줘야함
+    // 즉, spring 이 생성자 주입할 때도 저절로 해주는 것
+    public AuthControllerTest(@Autowired MockMvc mvc) {
+        this.mvc = mvc;
+    }
+
+    @DisplayName("[view][GET] 로그인 페이지 - 정상 호출")
+    @Test
+    void givenNothing_whenTryingToLogin_thenReturnsLoginView() throws Exception {
+        // Given
+
+        // When & Then
+        mvc.perform(get("/login"))
+                .andExpect(status().isOk())
+                .andExpect(content().contentTypeCompatibleWith(MediaType.TEXT_HTML));
+    }
+
+}