✨ Feat: Briefing 상세 조회 V2 API 통합 테스트

Briefing-Api/src/test/java/com/example/briefingapi/briefing/presentation/BriefingV2ApiTest.java

@@ -1,6 +1,8 @@
 package com.example.briefingapi.briefing.presentation;
 
 import com.example.briefingcommon.domain.repository.article.BriefingRepository;
+import com.example.briefingcommon.entity.Briefing;
+import com.example.briefingcommon.entity.enums.BriefingType;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
@@ -9,10 +11,19 @@
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.web.context.WebApplicationContext;
 
-import static org.junit.jupiter.api.Assertions.*;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
 @SpringBootTest
 @AutoConfigureMockMvc
@@ -31,8 +42,81 @@ public void setup() {
     }
 
     @Test
-    @DisplayName("브리핑 상세 조회 기능 테스트입니다.")
-    void 브리핑_상세_조회() throws Exception {
+    @DisplayName("[BriefingV2Api] 상세 조회 - OK")
+    void 브리핑_상세_조회_OK() throws Exception {
+        // given
+        Briefing briefing =
+                Briefing.builder()
+                        .title("제목")
+                        .subtitle("부제목")
+                        .content("내용")
+                        .ranks(1)
+                        .type(BriefingType.SOCIAL)
+                        .build();
+        Briefing savedBriefing = briefingRepository.save(briefing);
+        Long briefingId = savedBriefing.getId();
+
+        // when & then
+        MockHttpServletRequestBuilder requestBuilder = MockMvcRequestBuilders.get("/v2/briefings/{id}", briefingId);
+        mockMvc.perform(requestBuilder)
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.isSuccess").value(true))
+                .andExpect(jsonPath("$.result.title").value("제목"))
+                .andExpect(jsonPath("$.result.id").value(briefingId));
+    }
+
+    @Test
+    @DisplayName("[BriefingV2Api] 상세 조회 - NOT FOUND")
+    void 브리핑_상세_조회_NOT_FOUND() throws Exception {
+        // given
+        Long briefingId = 0L;
+
+        // when & then
+        MockHttpServletRequestBuilder requestBuilder = MockMvcRequestBuilders.get("/v2/briefings/{id}", briefingId);
+        mockMvc.perform(requestBuilder)
+                .andExpect(status().isNotFound())
+                .andExpect(jsonPath("$.isSuccess").value(false));
+    }
+
+    @Test
+    @DisplayName("[BriefingV2Api] 상세 조회 - 100명이 동시에 조회하면 100의 조회수가 늘어나야 합니다.")
+    void 브리핑_상세_조회_동시_요청() throws Exception {
+        // given
+        final int numberOfThreads = 100;
+        ExecutorService executorService = Executors.newFixedThreadPool(numberOfThreads);
+        CountDownLatch latch = new CountDownLatch(numberOfThreads);
+        Briefing briefing =
+                Briefing.builder()
+                        .title("제목")
+                        .subtitle("부제목")
+                        .content("내용")
+                        .ranks(1)
+                        .type(BriefingType.SOCIAL)
+                        .build();
+        Briefing savedBriefing = briefingRepository.save(briefing);
+        Long briefingId = savedBriefing.getId();
+
+        // when
+        for (int i = 0; i < numberOfThreads; i++) {
+            executorService.execute(
+                    () -> {
+                        try {
+                            MockHttpServletRequestBuilder requestBuilder = MockMvcRequestBuilders.get("/v2/briefings/{id}", briefingId);
+                            mockMvc.perform(requestBuilder);
+                        } catch (Exception e) {
+                            e.printStackTrace();
+                        }
+                        finally {
+                            latch.countDown();
+                        }
+                    });
+        }
+
+        latch.await();
+        executorService.shutdown();
 
+        // then
+        Briefing updatedBriefing = briefingRepository.findById(briefingId).orElseThrow();
+        assertEquals(numberOfThreads, updatedBriefing.getViewCount());
     }
 }