BE-#112 test: Label 목록 조회 테스트 코드를 작성합니다.

BE/src/main/java/kr/codesquad/issuetracker/domain/label/LabelOfLabelList.java

@@ -2,6 +2,7 @@
 
 import kr.codesquad.issuetracker.domain.issue.Issue;
 import kr.codesquad.issuetracker.domain.relation.IssueLabel;
+import lombok.Builder;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -15,7 +16,7 @@ public class LabelOfLabelList {
   private String title;
   private String color;
   private String description;
-  private long openedIssueCount; // 최적화 필요. Label마다 쿼리가 날아감.
+  private Long openedIssueCount; // 최적화 필요. Label마다 쿼리가 날아감.
 
   public LabelOfLabelList(Label label) {
     this.id = label.getId();
@@ -28,4 +29,14 @@ public LabelOfLabelList(Label label) {
         .filter(Issue::isOpened)
         .count();
   }
+
+  @Builder
+  public LabelOfLabelList(Long id, String title, String color, String description,
+      long openedIssueCount) {
+    this.id = id;
+    this.title = title;
+    this.color = color;
+    this.description = description;
+    this.openedIssueCount = openedIssueCount;
+  }
 }

BE/src/test/java/kr/codesquad/issuetracker/controller/LabelControllerTest.java

@@ -0,0 +1,101 @@
+package kr.codesquad.issuetracker.controller;
+
+import static org.hamcrest.Matchers.hasSize;
+import static org.hamcrest.Matchers.is;
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.util.Arrays;
+import java.util.List;
+import javax.servlet.http.Cookie;
+import kr.codesquad.issuetracker.domain.label.LabelOfLabelList;
+import kr.codesquad.issuetracker.domain.user.User;
+import kr.codesquad.issuetracker.domain.user.UserDTO;
+import kr.codesquad.issuetracker.service.JwtService;
+import kr.codesquad.issuetracker.service.LabelService;
+import kr.codesquad.issuetracker.service.UserService;
+import org.hamcrest.Matchers;
+import org.junit.jupiter.api.BeforeEach;
+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.restdocs.AutoConfigureRestDocs;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+
+@AutoConfigureRestDocs(uriHost = "13.124.148.192/api", uriPort = 80)
+@WebMvcTest(controllers = {LabelController.class})
+class LabelControllerTest {
+
+  @Autowired
+  MockMvc mockMvc;
+
+  @MockBean
+  LabelService labelService;
+
+  @MockBean
+  UserService userService;
+
+  @MockBean
+  JwtService jwtService;
+
+  String jwt = "jwt";
+  UserDTO userDTO = UserDTO
+      .of(User.builder().id(1L).userId("jwtUser").email("[email protected]").nickname("jwt").build());
+
+  public static String asJsonString(final Object obj) {
+    try {
+      return new ObjectMapper().writeValueAsString(obj);
+    } catch (Exception e) {
+      throw new RuntimeException(e);
+    }
+  }
+
+  @BeforeEach
+  void setUp() {
+    when(jwtService.getUserFromJws(jwt)).thenReturn(userDTO);
+  }
+
+  @Test
+  @DisplayName("Label 목록 조회 테스트")
+  void label_목록_조회_테스트() throws Exception {
+    // given
+    LabelOfLabelList labelDTO1 = LabelOfLabelList.builder().id(1L).title("Help").color("#123456")
+        .description("도와주세요.").openedIssueCount(3).build();
+    LabelOfLabelList labelDTO2 = LabelOfLabelList.builder().id(2L).title("Test").color("#443322")
+        .description("테스트코드").openedIssueCount(4).build();
+
+    List<LabelOfLabelList> labels = Arrays.asList(labelDTO1, labelDTO2);
+    when(labelService.findLabelsByQueryString(null)).thenReturn(labels);
+    // then
+    mockMvc.perform(
+        get("/labels").contentType(MediaType.APPLICATION_JSON).cookie(new Cookie("jwt", jwt)))
+        .andDo(print())
+        .andExpect(status().isOk())
+        .andExpect(jsonPath("$.labels", hasSize(labels.size())))
+        .andExpect(jsonPath("$.labels[0].id").value(Matchers.anyOf(
+            Matchers.equalTo((Number) labels.get(0).getId()),
+            Matchers.equalTo(labels.get(0).getId().intValue()))))
+        .andExpect(jsonPath("$.labels[0].title", is(labels.get(0).getTitle())))
+        .andExpect(jsonPath("$.labels[0].color", is(labels.get(0).getColor())))
+        .andExpect(jsonPath("$.labels[0].description", is(labels.get(0).getDescription())))
+        .andExpect(jsonPath("$.labels[0].openedIssueCount").value(Matchers.anyOf(
+            Matchers.equalTo(labels.get(0).getOpenedIssueCount()),
+            Matchers.equalTo(labels.get(0).getOpenedIssueCount().intValue()))))
+        .andExpect(jsonPath("$.labels[1].id").value(Matchers.anyOf(
+            Matchers.equalTo((Number) labels.get(1).getId()),
+            Matchers.equalTo(labels.get(1).getId().intValue()))))
+        .andExpect(jsonPath("$.labels[1].title", is(labels.get(1).getTitle())))
+        .andExpect(jsonPath("$.labels[1].color", is(labels.get(1).getColor())))
+        .andExpect(jsonPath("$.labels[1].description", is(labels.get(1).getDescription())))
+        .andExpect(jsonPath("$.labels[1].openedIssueCount").value(Matchers.anyOf(
+            Matchers.equalTo(labels.get(1).getOpenedIssueCount()),
+            Matchers.equalTo(labels.get(1).getOpenedIssueCount().intValue()))));
+  }
+}