diff --git a/build.gradle b/build.gradle
index deb5b63..2f0cfa8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -69,6 +69,8 @@ dependencies {
     //webclient
     implementation 'org.springframework.boot:spring-boot-starter-webflux'
 
+    testImplementation 'org.assertj:assertj-core:3.26.3'
+
     //swagger
     implementation 'io.swagger.core.v3:swagger-annotations:2.2.22'
     implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.0.4'
diff --git a/src/main/java/com/opendata/domain/course/entity/Course.java b/src/main/java/com/opendata/domain/course/entity/Course.java
index 7f6eba5..f8d867b 100644
--- a/src/main/java/com/opendata/domain/course/entity/Course.java
+++ b/src/main/java/com/opendata/domain/course/entity/Course.java
@@ -14,7 +14,7 @@
 @Table(name = "course")
 @Builder
 @Getter
-@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@NoArgsConstructor
 @AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class Course extends BaseEntity {
     @Id
diff --git a/src/main/java/com/opendata/domain/tourspot/entity/TourSpot.java b/src/main/java/com/opendata/domain/tourspot/entity/TourSpot.java
index e728b3b..fb66d34 100644
--- a/src/main/java/com/opendata/domain/tourspot/entity/TourSpot.java
+++ b/src/main/java/com/opendata/domain/tourspot/entity/TourSpot.java
@@ -16,8 +16,8 @@
 })
 @Getter
 @Setter
-@NoArgsConstructor(access = AccessLevel.PROTECTED)
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@NoArgsConstructor
+@AllArgsConstructor
 @Builder
 public class TourSpot extends BaseEntity {
 
diff --git a/src/main/java/com/opendata/domain/user/entity/User.java b/src/main/java/com/opendata/domain/user/entity/User.java
index 7ef9ddf..86abaf0 100644
--- a/src/main/java/com/opendata/domain/user/entity/User.java
+++ b/src/main/java/com/opendata/domain/user/entity/User.java
@@ -10,6 +10,7 @@
 @Entity
 @Table(name = "user")
 @Getter
+@Setter
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
diff --git a/src/test/java/com/opendata/CourseServiceTest.java b/src/test/java/com/opendata/CourseServiceTest.java
new file mode 100644
index 0000000..5a79fe8
--- /dev/null
+++ b/src/test/java/com/opendata/CourseServiceTest.java
@@ -0,0 +1,100 @@
+package com.opendata;
+import com.opendata.domain.course.dto.response.CourseResponse;
+import com.opendata.domain.course.entity.Course;
+import com.opendata.domain.course.entity.CourseComponent;
+import com.opendata.domain.course.repository.CourseComponentRepository;
+import com.opendata.domain.course.repository.CourseRepository;
+import com.opendata.domain.course.service.CourseService;
+import com.opendata.domain.user.entity.User;
+import com.opendata.global.security.CustomUserDetails;
+import jakarta.transaction.Transactional;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import java.util.List;
+
+import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
+
+@SpringBootTest
+@Transactional // 테스트 환경에선 DB에 반영되지 않고 롤백.
+class CourseServiceTest {
+    @Autowired
+    private CourseService courseService;
+    @Autowired
+    private CourseRepository courseRepository;
+    @Autowired
+    private CourseComponentRepository courseComponentRepository;
+
+    private List<CourseResponse> result;
+    private String courseId;
+
+    @BeforeEach
+    void setUp() {
+        result = courseService.recommendCourses(
+                37.5665, 126.9780,
+                "2025-09-19 12:00", "2025-09-19 18:00",
+                "경복궁"
+        );
+        courseId = result.get(0).courseId(); // 공통으로 쓸 ID
+    }
+
+
+    @Test
+    @DisplayName("코스 생성 테스트")
+    void recommendCourses_shouldReturnFromRealDb() {
+        assertThat(result).isNotEmpty();
+
+        result.forEach(course -> {
+            System.out.println("CourseId: " + course.courseId());
+            course.courseComponentDtoList().forEach(component -> {
+                System.out.println(component.tourSpotName()
+                        + " (" + component.tourspotId() + "), 시간: " + component.time()
+                        + ", 혼잡도: " + component.congestionLevel());
+            });
+        });
+    }
+
+    @Test
+    @DisplayName("코스 즐겨찾기 테스트")
+    void likeCourse_shouldPostAtRealDb(){
+        String parsedCourseId = courseId.split("tempCourse:")[1];
+        String email = "kamillcream1@gmail.com";
+
+        User user = new User();
+        user.setEmail(email);
+
+
+        CustomUserDetails userDetails = new CustomUserDetails(user);
+
+        List<Course> coursesBefore = courseRepository.findAll();
+        int beforeTest = coursesBefore.size();
+
+        courseService.likeCourse(parsedCourseId, userDetails);
+
+
+        List<Course> coursesAfter = courseRepository.findAll();
+
+        assertThat(coursesAfter).hasSize(beforeTest + 1);
+        assertThat(coursesAfter).isNotEmpty();
+        assertThat(coursesAfter.get(0).getCourseComponents()).isNotEmpty();
+    }
+
+    @Test
+    @DisplayName("코스 상세정보 조회 테스트")
+    void fetchCourseDetailTest(){
+        String parsedCourseId = courseId.split("tempCourse:")[1];
+
+        CourseResponse courseResponse = courseService.fetchCourseDetail(parsedCourseId);
+        courseResponse.courseComponentDtoList().forEach(
+                courseComponentDto ->{
+                    System.out.println(courseComponentDto.tourspotId());
+                    System.out.println(courseComponentDto.tourSpotName());
+                }
+        );
+
+        assertThat(courseResponse).isNotNull();
+    }
+}