권세빈 1주차 과제

src/main/java/doit/jpastudy2/repository/School.java

@@ -0,0 +1,36 @@
+package doit.jpastudy2.repository;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@NoArgsConstructor
+@Getter
+public class School {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name = "School_id")
+    private Long id;
+
+    @Column(name = "School_name")
+    private String schoolName;
+
+    @Column(name = "Total_students")
+    private int totalStudents;
+
+    @Column(name = "Average_grade")
+    private double averageGrade;
+
+    @Builder
+    public School(String schoolName, int totalStudents, double averageGrade) {
+        this.schoolName = schoolName;
+        this.totalStudents = totalStudents;
+        this.averageGrade = averageGrade;
+    }
+}

src/main/java/doit/jpastudy2/repository/CategoryRepository.java → src/main/java/doit/jpastudy2/repository/SchoolRepository.java

@@ -2,16 +2,15 @@
 
 import org.springframework.data.jpa.repository.JpaRepository;
 
-public interface CategoryRepository extends JpaRepository<Category, Long> {
+public interface SchoolRepository extends JpaRepository<School, Long> {
 
     // 쿼리 메소드 패턴은 다음과 같다.
     // [ ] = Optional
     // ( ) = 조건
     // find + [ ] + By + (조건)
 
-    // select * from Category
-    Category findByDescription(String description);
-
+    School findBySchoolName(String schoolName);
     // select * from Category where type = ? and description = ?
-    Category findByTypeAndDescription(String type, String description);
+    School findBySchoolNameAndTotalStudents(String schoolName, int totalStudents);
+
 }

src/main/resources/application.properties

@@ -1 +1 @@
-spring.application.name=jpastudy2
+spring.application.name=jpastudy2

src/test/java/doit/jpastudy2/repository/SchoolRepositoryTest.java

@@ -0,0 +1,84 @@
+package doit.jpastudy2.repository;
+
+import java.util.List;
+import org.assertj.core.api.Assertions;
+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 org.springframework.transaction.annotation.Transactional;
+
+
+@Transactional
+@SpringBootTest
+class SchoolRepositoryTest {
+
+    @Autowired
+    private SchoolRepository schoolRepository;
+
+    @DisplayName("save 테스트")
+    @Test
+    void test() {
+        // Given
+        School school = School.builder()
+                .schoolName("아주대학교")
+                .totalStudents(13884)
+                .averageGrade(4.3)
+                .build();
+
+        // When
+        schoolRepository.save(school);
+
+        // Then
+        Assertions.assertThat(school).isNotNull();
+        Assertions.assertThat(school.getSchoolName()).isEqualTo("아주대학교");
+        Assertions.assertThat(school.getTotalStudents()).isEqualTo(13884);
+    }
+
+    @DisplayName("SchoolName을 이용한 찾기")
+    @Test
+    void testFindBySchoolName() {
+        // Given
+        School school = School.builder()
+                .schoolName("아주대학교")
+                .totalStudents(13884)
+                .averageGrade(4.3)
+                .build();
+
+        schoolRepository.save(school);
+
+        // When
+        School result = schoolRepository.findBySchoolName("아주대학교");
+
+        // Then
+        Assertions.assertThat(result).isNotNull();
+        Assertions.assertThat(result.getSchoolName()).isEqualTo("아주대학교");
+        Assertions.assertThat(result.getTotalStudents()).isEqualTo(13884);
+    }
+
+    @DisplayName("SchoolName과 TotalStudent를 이용한 찾기")
+    @Test
+    void testFindBySchoolNameAndTotalStudents() {
+        // Given
+        School school1 = School.builder()
+                .schoolName("아주대학교")
+                .totalStudents(13884)
+                .averageGrade(4.3)
+                .build();
+        School school2 = School.builder()
+                .schoolName("서울대학교")
+                .totalStudents(35000)
+                .averageGrade(4.0)
+                .build();
+        schoolRepository.saveAll(List.of(school1, school2));
+
+        // When
+        School result1 = schoolRepository.findBySchoolNameAndTotalStudents("아주대학교", 13884);
+        School result2 = schoolRepository.findBySchoolNameAndTotalStudents("서울대학교", 35000);
+
+        // Then.
+        Assertions.assertThat(result1).isNotNull();
+        Assertions.assertThat(result2.getSchoolName()).isEqualTo("서울대학교");
+        Assertions.assertThat(result2.getTotalStudents()).isEqualTo(35000);
+    }
+}