패스트캠퍼스 챌린지 35일차

Part 1. Spring Framework

 Ch 05. 예외처리

  04. Service 테스트 작성

 

package com.fastcampus.programmin.dmaker.service;

import com.fastcampus.programmin.dmaker.Repository.DeveloperRepository;
import com.fastcampus.programmin.dmaker.Repository.RetiredDeveloperRepository;
import com.fastcampus.programmin.dmaker.code.StatusCode;
import com.fastcampus.programmin.dmaker.dto.CreateDeveloper;
import com.fastcampus.programmin.dmaker.dto.DeveloperDetailDto;
import com.fastcampus.programmin.dmaker.entity.Developer;
import com.fastcampus.programmin.dmaker.exception.DMakerErrorCode;
import com.fastcampus.programmin.dmaker.exception.DMakerException;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import java.util.Optional;

import static com.fastcampus.programmin.dmaker.type.DeveloperLevel.SENIOR;
import static com.fastcampus.programmin.dmaker.type.DeveloperSkillType.FRONT_END;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

@ExtendWith(MockitoExtension.class)
class dMakerServiceTest_Mockito {
    //db에 데이터 없이, 격리성을 높이며 테스트하는 방법 : Mocking
    //Mockito는 Spring에 기본 내장되어 있어 쉽게 사용 가능
    @Mock
    private DeveloperRepository developerRepository;

    @Mock
    private RetiredDeveloperRepository retiredDeveloperRepository;

    @InjectMocks //Mock = 가짜, 가짜를 dMakerService에 주입한다는 뜻
    // 위쪽의 2개의 Mock을 자동으로 주입
    private DMakerService dMakerService;

    private final Developer defaultDeveloper = Developer.builder()
            .developerLevel(SENIOR)
            .developerSkillType(FRONT_END)
            .experienceYears(12)
            .statusCode(StatusCode.EMPLOYED)
            .name("name")
            .age(12)
            .build();

    private final CreateDeveloper.Request defaultCreateRequest =
            CreateDeveloper.Request.builder()
                    .developerLevel(SENIOR)
                    .developerSkillType(FRONT_END)
                    .experienceYears(12)
                    .memberId("memberId")
                    .name("name")
                    .age(32)
                    .build();

    @Test
    public void testSomething() {


        given(developerRepository.findByMemberId(anyString()))
                .willReturn(Optional.of(defaultDeveloper));

        DeveloperDetailDto developerDetail = dMakerService.getAllDeveloperDetail("memberId");

        assertEquals(SENIOR, developerDetail.getDeveloperLevel());
        assertEquals(FRONT_END, developerDetail.getDeveloperSkillType());
        assertEquals(12, developerDetail.getExperienceYears());
    }

    //22.2.28
    @Test
    void createDeveloperTest_success() {
        //given
        CreateDeveloper.Request request = CreateDeveloper.Request.builder()
                .developerLevel(SENIOR)
                .developerSkillType(FRONT_END)
                .experienceYears(12)
                .memberId("memberId")
                .name("name")
                .age(32)
                .build();

        given(developerRepository.findByMemberId(anyString()))
                .willReturn(Optional.empty());

        ArgumentCaptor<Developer> captor =
                ArgumentCaptor.forClass(Developer.class);

        //when
        CreateDeveloper.Response developer = dMakerService.createDeveloper(defaultCreateRequest);

        //then
        verify(developerRepository, times(1))
                .save(captor.capture());
        Developer savedDeveloper = captor.getValue();
        assertEquals(SENIOR, savedDeveloper.getDeveloperLevel());
        assertEquals(FRONT_END, savedDeveloper.getDeveloperSkillType());
        assertEquals(12, savedDeveloper.getExperienceYears());

        //dMakerService.createDeveloper(request);
    }

    @Test
    void createDeveloperTest_failed_with_duplicated() {
        //given
        given(developerRepository.findByMemberId(anyString()))
                .willReturn(Optional.of(defaultDeveloper));

        ArgumentCaptor<Developer> captor =
                ArgumentCaptor.forClass(Developer.class);

        //when


        //then
        //dMakerService.createDeveloper(request);
        DMakerException dMakerException = assertThrows(DMakerException.class, () -> dMakerService.createDeveloper(defaultCreateRequest));
        assertEquals(DMakerErrorCode.DUPLICATED_MEMBER_ID, dMakerException.getDMakerErrorCode());

    }


}

<dMakerServiceTest_Mockito.java>

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