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test: 솜커톤 참가자 생성, 조회, 삭제 기능 테스트
- SomParticipantServiceTest (테스트)
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‎src/test/java/dmu/dasom/api/domain/somkathon/SomParticipantServiceTest.java‎

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package dmu.dasom.api.domain.somkathon;
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import dmu.dasom.api.domain.common.exception.CustomException;
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import dmu.dasom.api.domain.common.exception.ErrorCode;
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import dmu.dasom.api.domain.somkathon.dto.SomParticipantRequestDto;
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import dmu.dasom.api.domain.somkathon.dto.SomParticipantResponseDto;
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import dmu.dasom.api.domain.somkathon.entity.SomParticipant;
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import dmu.dasom.api.domain.somkathon.repository.SomParticipantRepository;
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import dmu.dasom.api.domain.somkathon.service.SomParticipantService;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.mockito.InjectMocks;
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import org.mockito.Mock;
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import org.mockito.junit.jupiter.MockitoExtension;
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import java.util.List;
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import java.util.Optional;
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import static org.junit.jupiter.api.Assertions.*;
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import static org.mockito.Mockito.*;
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@ExtendWith(MockitoExtension.class)
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class SomParticipantServiceTest {
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@Mock
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private SomParticipantRepository repository;
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@InjectMocks
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private SomParticipantService service;
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// =======================
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// Create Tests
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// =======================
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@Test
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@DisplayName("참가자 생성 - 성공")
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void createParticipant_success() {
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SomParticipantRequestDto request = new SomParticipantRequestDto();
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request.setParticipantName("홍길동");
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request.setStudentId("20250001");
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request.setDepartment("컴퓨터공학과");
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request.setGrade("3");
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request.setContact("010-1234-5678");
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request.setEmail("[email protected]");
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request.setGithubLink("https://github.com/username");
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request.setPortfolioLink("https://drive.google.com/file");
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when(repository.findByStudentId("20250001")).thenReturn(Optional.empty());
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when(repository.save(any(SomParticipant.class))).thenAnswer(invocation -> invocation.getArgument(0));
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SomParticipantResponseDto response = service.createParticipant(request);
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assertNotNull(response);
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assertEquals("홍길동", response.getParticipantName());
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assertEquals("20250001", response.getStudentId());
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assertEquals("컴퓨터공학과", response.getDepartment());
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assertEquals("3", response.getGrade());
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assertEquals("010-1234-5678", response.getContact());
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assertEquals("[email protected]", response.getEmail());
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assertEquals("https://github.com/username", response.getGithubLink());
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assertEquals("https://drive.google.com/file", response.getPortfolioLink());
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verify(repository, times(1)).findByStudentId("20250001");
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verify(repository, times(1)).save(any(SomParticipant.class));
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}
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@Test
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@DisplayName("참가자 생성 - 실패 (학생ID 중복)")
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void createParticipant_fail_duplicateStudentId() {
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SomParticipantRequestDto request = new SomParticipantRequestDto();
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request.setStudentId("20250001");
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when(repository.findByStudentId("20250001")).thenReturn(Optional.of(mock(SomParticipant.class)));
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CustomException exception = assertThrows(CustomException.class, () -> service.createParticipant(request));
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assertEquals(ErrorCode.DUPLICATED_STUDENT_NO, exception.getErrorCode());
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verify(repository, times(1)).findByStudentId("20250001");
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verify(repository, never()).save(any());
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}
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// =======================
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// Read Tests
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// =======================
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@Test
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@DisplayName("모든 참가자 조회")
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void getAllParticipants_success() {
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SomParticipant p1 = SomParticipant.builder()
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.participantName("홍길동")
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.studentId("20250001")
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.department("컴퓨터공학과")
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.grade("3")
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.contact("010-1234-5678")
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.email("[email protected]")
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.githubLink("https://github.com/hong")
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.portfolioLink("https://drive.google.com/file")
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.build();
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SomParticipant p2 = SomParticipant.builder()
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.participantName("김철수")
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.studentId("20250002")
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.department("소프트웨어공학과")
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.grade("2")
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.contact("010-9876-5432")
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.email("[email protected]")
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.githubLink("https://github.com/kim")
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.portfolioLink("https://notion.site")
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.build();
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when(repository.findAll()).thenReturn(List.of(p1, p2));
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List<SomParticipantResponseDto> list = service.getAllParticipants();
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assertEquals(2, list.size());
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assertEquals("홍길동", list.get(0).getParticipantName());
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assertEquals("김철수", list.get(1).getParticipantName());
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assertEquals("https://github.com/hong", list.get(0).getGithubLink());
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assertEquals("https://notion.site", list.get(1).getPortfolioLink());
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verify(repository, times(1)).findAll();
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}
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@Test
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@DisplayName("특정 참가자 조회 - 성공")
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void getParticipant_success() {
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SomParticipant participant = SomParticipant.builder()
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.participantName("홍길동")
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.studentId("20250001")
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.department("컴퓨터공학과")
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.grade("3")
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.contact("010-1234-5678")
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.email("[email protected]")
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.githubLink("https://github.com/username")
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.portfolioLink("https://drive.google.com/file")
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.build();
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when(repository.findById(1L)).thenReturn(Optional.of(participant));
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SomParticipantResponseDto response = service.getParticipant(1L);
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assertEquals("홍길동", response.getParticipantName());
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assertEquals("20250001", response.getStudentId());
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verify(repository, times(1)).findById(1L);
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}
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@Test
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@DisplayName("특정 참가자 조회 - 실패 (없음)")
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void getParticipant_fail_notFound() {
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when(repository.findById(1L)).thenReturn(Optional.empty());
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CustomException exception = assertThrows(CustomException.class, () -> service.getParticipant(1L));
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assertEquals(ErrorCode.NOT_FOUND_PARTICIPANT, exception.getErrorCode());
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verify(repository, times(1)).findById(1L);
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}
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// =======================
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// Delete Tests
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// =======================
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@Test
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@DisplayName("참가자 삭제 - 성공")
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void deleteParticipant_success() {
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SomParticipant participant = SomParticipant.builder().build();
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when(repository.findById(1L)).thenReturn(Optional.of(participant));
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assertDoesNotThrow(() -> service.deleteParticipant(1L));
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verify(repository, times(1)).deleteById(1L);
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}
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@Test
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@DisplayName("참가자 삭제 - 실패 (없음)")
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void deleteParticipant_fail_notFound() {
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when(repository.findById(1L)).thenReturn(Optional.empty());
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CustomException exception = assertThrows(CustomException.class, () -> service.deleteParticipant(1L));
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assertEquals(ErrorCode.NOT_FOUND_PARTICIPANT, exception.getErrorCode());
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verify(repository, never()).deleteById(any());
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}
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}

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