Divide AddQuizService first

src/main/java/com/mangkyu/employment/interview/app/quiz/controller/AddQuizController.java

@@ -1,6 +1,7 @@
 package com.mangkyu.employment.interview.app.quiz.controller;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.mangkyu.employment.interview.app.quiz.service.AddQuizService;
 import com.mangkyu.employment.interview.app.quiz.service.QuizService;
 import lombok.*;
 import org.springframework.http.HttpStatus;
@@ -20,7 +21,7 @@ import java.util.List;
 @RequiredArgsConstructor
 class AddQuizController {
 
-    private final QuizService quizService;
+    private final AddQuizService quizService;
     private final ObjectMapper objectMapper;
 
     @GetMapping("/quizzes/init")

src/main/java/com/mangkyu/employment/interview/app/quiz/service/AddQuizService.java

@@ -0,0 +1,25 @@
+package com.mangkyu.employment.interview.app.quiz.service;
+
+import com.mangkyu.employment.interview.app.quiz.controller.AddQuizRequest;
+import com.mangkyu.employment.interview.app.quiz.entity.Quiz;
+import com.mangkyu.employment.interview.app.quiz.repository.QuizRepository;
+import lombok.RequiredArgsConstructor;
+import org.modelmapper.ModelMapper;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class AddQuizService {
+
+    private final QuizRepository quizRepository;
+    @Deprecated // TODO: remove modelMapper
+    private final ModelMapper modelMapper;
+
+    public void addQuiz(final AddQuizRequest addQuizRequest) {
+        final Quiz quiz = modelMapper.map(addQuizRequest, Quiz.class);
+        quizRepository.save(quiz);
+    }
+
+}

src/main/java/com/mangkyu/employment/interview/app/quiz/service/QuizService.java

@@ -1,8 +1,6 @@
 package com.mangkyu.employment.interview.app.quiz.service;
 
 import com.mangkyu.employment.interview.app.quiz.controller.*;
-import com.mangkyu.employment.interview.erros.errorcode.CommonErrorCode;
-import com.mangkyu.employment.interview.erros.exception.RestApiException;
 import com.mangkyu.employment.interview.app.quiz.converter.QuizDtoConverter;
 import com.mangkyu.employment.interview.app.quiz.entity.Quiz;
 import com.mangkyu.employment.interview.app.quiz.repository.QuizRepository;
@@ -12,6 +10,8 @@ import com.mangkyu.employment.interview.enums.common.EnumMapperValue;
 import com.mangkyu.employment.interview.enums.factory.EnumMapperFactory;
 import com.mangkyu.employment.interview.enums.value.QuizCategory;
 import com.mangkyu.employment.interview.enums.value.QuizLevel;
+import com.mangkyu.employment.interview.erros.errorcode.CommonErrorCode;
+import com.mangkyu.employment.interview.erros.exception.RestApiException;
 import lombok.RequiredArgsConstructor;
 import org.modelmapper.ModelMapper;
 import org.springframework.data.domain.Page;
@@ -35,18 +35,12 @@ public class QuizService {
     private final ModelMapper modelMapper;
     private final EnumMapperFactory enumMapperFactory;
 
-    @Transactional
-    public void addQuiz(final AddQuizRequest addQuizRequest) {
-        final Quiz quiz = modelMapper.map(addQuizRequest, Quiz.class);
-        quizRepository.save(quiz);
-    }
-
-    public Quiz findQuiz(final String resourceId) throws RestApiException {
+    public Quiz findQuiz(final String resourceId) {
         return quizRepository.findByResourceId(resourceId)
                 .orElseThrow(() -> new RestApiException(CommonErrorCode.RESOURCE_NOT_FOUND));
     }
 
-    public GetQuizResponse getQuiz(final String resourceId) throws RestApiException {
+    public GetQuizResponse getQuiz(final String resourceId) {
         final Quiz quiz = findQuiz(resourceId);
         return QuizDtoConverter.convert(quiz, enumMapperFactory.getElement(EnumMapperKey.QUIZ_CATEGORY, quiz.getQuizCategory()));
     }

src/test/java/com/mangkyu/employment/interview/app/quiz/service/AddQuizServiceTest.java

@@ -0,0 +1,52 @@
+package com.mangkyu.employment.interview.app.quiz.service;
+
+import com.mangkyu.employment.interview.app.quiz.controller.AddQuizRequest;
+import com.mangkyu.employment.interview.app.quiz.entity.Quiz;
+import com.mangkyu.employment.interview.app.quiz.repository.QuizRepository;
+import com.mangkyu.employment.interview.config.modelmapper.ModelMapperConfig;
+import com.mangkyu.employment.interview.enums.value.QuizCategory;
+import com.mangkyu.employment.interview.enums.value.QuizLevel;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Spy;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.modelmapper.ModelMapper;
+
+import java.util.Arrays;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+@ExtendWith(MockitoExtension.class)
+class AddQuizServiceTest {
+
+    @InjectMocks
+    private AddQuizService quizService;
+
+    @Mock
+    private QuizRepository quizRepository;
+    @Spy
+    private ModelMapper modelMapper = new ModelMapperConfig().modelMapper();
+
+    @Test
+    public void addQuiz_Success() {
+        // given
+        final AddQuizRequest request = AddQuizRequest.builder()
+                .title("quiz")
+                .quizCategory(QuizCategory.JAVA)
+                .quizLevel(Arrays.asList(QuizLevel.NEW, QuizLevel.JUNIOR, QuizLevel.SENIOR))
+                .build();
+
+        // when
+        quizService.addQuiz(request);
+
+        // then
+
+        // verify
+        verify(quizRepository, times(1)).save(any(Quiz.class));
+    }
+
+}

src/test/java/com/mangkyu/employment/interview/app/quiz/service/QuizServiceTest.java

@@ -170,24 +170,6 @@ class QuizServiceTest {
         assertThat(result.getSize()).isEqualTo(size);
     }
 
-    @Test
-    public void addQuiz_Success() {
-        // given
-        final AddQuizRequest request = AddQuizRequest.builder()
-                .title("quiz")
-                .quizCategory(QuizCategory.JAVA)
-                .quizLevel(Arrays.asList(QuizLevel.NEW, QuizLevel.JUNIOR, QuizLevel.SENIOR))
-                .build();
-
-        // when
-        quizService.addQuiz(request);
-
-        // then
-
-        // verify
-        verify(quizRepository, times(1)).save(any(Quiz.class));
-    }
-
     @Test
     public void getUnsolvedQuizSuccess_SolvedQuizEmpty() {
         // given