MovieServiceTest.java

package springboot.study.service;


import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
import springboot.study.dto.MovieDto;
import springboot.study.repository.MovieRepository;
import springboot.study.respons.ResponseMovie;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.ArgumentMatchers.any;


@ExtendWith(MockitoExtension.class)
        //선언하면, @Mock 어노테이션 사용 가능
class MovieServiceTest {

    private MovieService movieService;

    @Test
    @DisplayName("평점 순으로 정렬이 잘 되는지")
    void arranged_well_in_user_ratings() {

        //given
        float expectedUserRanking = 9.3f;
        MovieRepository movieRepository = Mockito.mock(MovieRepository.class);
        Mockito.when(movieRepository.findByQuery(any())).thenReturn(getStubMovieList()); //Mock 객체의 findByQuary 메서드 실행 결과 반환 "가짜데이터"
        movieService = new MovieService(movieRepository); // Mock객체를 MovieService 주입

        //when
        List<MovieDto> actualList = movieService.findByQuery("쿼리"); // 테스트 실행

        //then
        assertEquals(expectedUserRanking, actualList.stream().findFirst().get().getUserRating());

    }

    private ResponseMovie getStubMovieList() {

        List<ResponseMovie.Item> items = Arrays.asList(
                ResponseMovie.Item.builder().title("<b>MovieOne</b> 제목").actor("배우1").userRating(9.3f).build(),
                ResponseMovie.Item.builder().title("<b>MovieTwo</b> 제목").actor("배우2").userRating(9.7f).build(),
                ResponseMovie.Item.builder().title("<b>MovieThree</b> 제목").actor("배우3").userRating(7.5f).build()
                ResponseMovie.Item.builder().title("<b>MovieFour</b> 제목").actor("배우4").userRating(7.5f).build()
        );

        return ResponseMovie.builder()
                .items(items)
                .build();
    }


    @Test
    @DisplayName("태그삭제")
    void tag_remove() {
    }


    @Test
    @DisplayName("평점이 0인 데이터 제외 확인")
    void ratings_exclude() {
    }
}