[이나현]1주차 과제

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

@@ -1,33 +1,23 @@
-package doit.jpastudy2.repository;
+package doit.jpastudy_hw.repository;
 
-import jakarta.persistence.Column;
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
+import jakarta.persistence.*;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
+@Getter
 @Entity
 @NoArgsConstructor
-@Getter
 public class Category {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
 
-    @Id // PK임을 나타낸다.
-    @GeneratedValue(strategy = GenerationType.AUTO) // 자동 생성되는 값임을 나타낸다.
-    @Column(name = "category_id") // 컬럼명을 지정한다.
+    @Column(name = "category_id")
     private Long id;
 
-    // @Column(name = "type")이 생략된 경우 필드명이 컬럼명이 된다. snake_case로 변환된다.
-    private String type;
-
-    // @Column(name = "description")이 생략된 경우 필드명이 컬럼명이 된다.
-    private String description;
+    private String subject;
 
-    @Builder // 빌더 패턴을 사용할 수 있게 한다.
-    public Category(String description, String type) {
-        this.description = description;
-        this.type = type;
+    public Category(String subject) {
+        this.subject = subject;
     }
 }

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

@@ -0,0 +1,27 @@
+package doit.jpastudy_hw.repository;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Getter
+@NoArgsConstructor
+public class Notice {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    private String writer;
+
+    private String title;
+
+    @ManyToOne
+    @JoinColumn(name = "category_id")  // 외래 키 설정
+    private Category category;
+
+    public Notice(String writer, String title, Category category) {
+        this.writer = writer;
+        this.title = title;
+        this.category = category;
+    }
+}

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

@@ -0,0 +1,6 @@
+package doit.jpastudy_hw.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface NoticeRepository extends JpaRepository<Notice, Long> {
+}

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

@@ -1,108 +1,27 @@
-package doit.jpastudy2.repository;
+package doit.jpastudy_hw.repository;
 
-import static org.junit.jupiter.api.Assertions.*;
-
-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 // 테스트 케이스에 이 어노테이션이 있으면, 테스트가 끝나면 롤백을 해준다. ( 데이터베이스 초기화 )
-@SpringBootTest // 스프링 컨테이너를 이용한 테스트
-class CategoryRepositoryTest {
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
 
-    @Autowired // 스프링이 관리하는 빈을 주입받는다.
+@Transactional
+@SpringBootTest
+class CategoryTest {
+    @Autowired
     private CategoryRepository categoryRepository;
 
-    @DisplayName("save 테스트")
     @Test
-    void test() {
-        // Given
-        Category category1 = Category.builder()
-                .type("양식")
-                .description("데이트")
-                .build();
+    void test(){
+        Category category = new Category("축구");
+        categoryRepository.save(category);
 
-        Category category2 = Category.builder()
-                .type("한식")
-                .description("한국인의 정")
-                .build();
-
-        // When
-        categoryRepository.save(category1);
-        categoryRepository.save(category2);
-
-        // Then
         List<Category> categories = categoryRepository.findAll();
-        Assertions.assertThat(categories).hasSize(2);
-        Assertions.assertThat(categories.get(0).getType()).isEqualTo("양식");
-        Assertions.assertThat(categories.get(0).getDescription()).isEqualTo("데이트");
-    }
-
-    @DisplayName("Description을 이용한 조회")
-    @Test
-    void findByDescription() {
-        // Given
-        Category category1 = Category.builder()
-                .type("양식")
-                .description("데이트")
-                .build();
-
-        Category category2 = Category.builder()
-                .type("한식")
-                .description("한국인의 정")
-                .build();
-
-        categoryRepository.save(category1);
-        categoryRepository.save(category2);
-
-        // When
-        Category result1 = categoryRepository.findByDescription("철가방");
-        Category result2 = categoryRepository.findByDescription("데이트");
-
-        // Then
-        Assertions.assertThat(result1).isNull();
-        Assertions.assertThat(result2).isNotNull();
-        Assertions.assertThat(result2.getType()).isEqualTo("양식");
-    }
-
-    @DisplayName("description과 type을 이용한 조회")
-    @Test
-    void findByTypeAndDescription() {
-        // Given
-        Category category1 = Category.builder()
-                .type("양식")
-                .description("데이트")
-                .build();
-
-        Category category2 = Category.builder()
-                .type("한식")
-                .description("한국인의 정")
-                .build();
-
-        Category category3 = Category.builder()
-                .type("중식")
-                .description("철가방")
-                .build();
-
-        Category category4 = Category.builder()
-                .type("미식")
-                .description("축구ㅋㅋ")
-                .build();
-
-        categoryRepository.saveAll(List.of(category1, category2, category3, category4));
-
-        // When
-        Category result1 = categoryRepository.findByTypeAndDescription("양식", "데이트");
-        Category result2 = categoryRepository.findByTypeAndDescription("중식", "데이트"); // null
-        Category result3 = categoryRepository.findByTypeAndDescription("미식", "축구ㅋㅋ");
-
-        // Then
-        Assertions.assertThat(result1.getType()).isEqualTo("양식");
-        Assertions.assertThat(result2).isNull();
-        Assertions.assertThat(result3.getDescription()).isEqualTo("축구ㅋㅋ");
+        System.out.println("categories = " + categories.get(0));
+        System.out.println("categories = " + categories.get(0).getSubject());
     }
 }

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

@@ -0,0 +1,44 @@
+package doit.jpastudy_hw.repository;
+
+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;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@Transactional
+@SpringBootTest
+class NoticeTest {
+
+    @Autowired
+    private NoticeRepository noticeRepository;
+
+    @Autowired
+    private CategoryRepository categoryRepository;
+
+    @Test
+    void saveAndRetrieveNotice() {
+        // 1. 새로운 Category 엔티티 생성 후 저장
+        Category category = new Category("Sports");
+        categoryRepository.save(category);
+
+        // 2. 새로운 Notice 엔티티 생성 후 저장
+        Notice notice = new Notice("John Doe", "Football Match", category);
+        noticeRepository.save(notice);
+
+        // 3. 저장된 Notice 엔티티 모두 조회
+        List<Notice> notices = noticeRepository.findAll();
+
+        // 4. Notice 엔티티가 잘 저장되었는지 확인
+        assertEquals(1, notices.size());
+        assertEquals("John Doe", notices.get(0).getWriter());
+        assertEquals("Football Match", notices.get(0).getTitle());
+
+        // 5. Notice와 연결된 Category 확인
+        assertNotNull(notices.get(0).getCategory());
+        assertEquals("Sports", notices.get(0).getCategory().getSubject());
+    }
+}