Feat [#18] 일반 검색에 대한 테스트 코드 구현

jumpit/src/test/java/org/sopt/jumpit/position/service/PositionServiceTest.java

@@ -0,0 +1,106 @@
+package org.sopt.jumpit.position.service;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.sopt.jumpit.company.domain.Company;
+import org.sopt.jumpit.global.common.dto.message.ErrorMessage;
+import org.sopt.jumpit.global.exception.NotFoundException;
+import org.sopt.jumpit.position.domain.Position;
+import org.sopt.jumpit.position.dto.PositionsFindResponse;
+import org.sopt.jumpit.position.repository.PositionRepository;
+import org.sopt.jumpit.skill.domain.Skill;
+import org.sopt.jumpit.skill.service.SkillService;
+
+import java.lang.reflect.Field;
+import java.util.List;
+import java.util.Optional;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy;
+import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+public class PositionServiceTest {
+
+    @InjectMocks
+    private PositionService positionService;
+
+    @Mock
+    private PositionRepository positionRepository;
+
+    @Mock
+    private SkillService skillService;
+
+    @Mock
+    private Company mockCompany;
+
+    @Test
+    @DisplayName("키워드 '백엔드 개발자'로 검색할 때 포지션 찾기: 성공 시 결과가 포함된 리스트 반환")
+    void testFindPositionsByKeyword_Success() throws NoSuchFieldException, IllegalAccessException {
+        // Given: "백엔드 개발자" 키워드로 포지션을 찾기 위한 설정
+        Position samplePosition = createPositionWithReflection(1L, "백엔드 개발자", mockCompany);
+        when(positionRepository.findPositionsByTitleContaining("백엔드 개발자"))
+                .thenReturn(Optional.of(List.of(samplePosition)));
+
+        Skill javaSkill = createSkillWithReflection("Java", "java.png");
+        when(skillService.findByOwnerId(anyLong()))
+                .thenReturn(List.of(javaSkill)); // 스킬 리스트를 반환하는 설정
+
+        // When: 검색 메소드 실행
+        PositionsFindResponse result = positionService.findPositionsByKeyword("백엔드 개발자");
+
+        // Then: 결과 검증, 정확한 포지션이 반환되었는지 확인
+        assertThat(result.position()).hasSize(1);
+        assertThat(result.position().get(0).title()).isEqualTo("백엔드 개발자");
+    }
+
+    @Test
+    @DisplayName("키워드 '채은아 생일 축하해'로 검색할 때 포지션 없음: 예외 발생하여 테스트 성공")
+    void testFindPositionsByKeyword_NotFound() {
+        // Given: "Nonexistent" 키워드로 포지션을 찾지 못할 때의 설정
+        when(positionRepository.findPositionsByTitleContaining("채은아 생일 축하해"))
+                .thenReturn(Optional.empty());
+
+        // Then: 예외가 발생하면 테스트 성공으로 간주
+        assertThatThrownBy(() -> positionService.findPositionsByKeyword("채은아 생일 축하해"))
+                .isInstanceOf(NotFoundException.class)
+                .hasMessageContaining(ErrorMessage.SEARCH_FAILED.getMessage());
+    }
+
+    // 리플렉션을 사용하여 Position 객체 생성
+    private Position createPositionWithReflection(Long id, String title, Company company) throws NoSuchFieldException, IllegalAccessException {
+        Position position = new Position();
+        Field idField = position.getClass().getDeclaredField("id");
+        idField.setAccessible(true);
+        idField.set(position, id);
+
+        Field titleField = position.getClass().getDeclaredField("title");
+        titleField.setAccessible(true);
+        titleField.set(position, title);
+
+        Field companyField = position.getClass().getDeclaredField("company");
+        companyField.setAccessible(true);
+        companyField.set(position, company);
+
+        return position;
+    }
+
+    // 리플렉션을 사용하여 Skill 객체 생성
+    private Skill createSkillWithReflection(String name, String image) throws NoSuchFieldException, IllegalAccessException {
+        Skill skill = new Skill();
+        Field nameField = skill.getClass().getDeclaredField("name");
+        nameField.setAccessible(true);
+        nameField.set(skill, name);
+
+        Field imageField = skill.getClass().getDeclaredField("image");
+        imageField.setAccessible(true);
+        imageField.set(skill, image);
+
+        return skill;
+    }
+}