jdbc : update, delete

jdbc/src/main/java/com/example/jdbc/repository/MemberRepositoryV0.java

@@ -63,6 +63,47 @@ public class MemberRepositoryV0 {
         }
     }
 
+    public void update(String memberId, int money) throws SQLException {
+        String sql = "update member set money=? where member_id=?";
+
+        Connection con = null;
+        PreparedStatement pstmt = null;
+
+        try {
+            con = getConnection();
+            pstmt = con.prepareStatement(sql);
+            pstmt.setInt(1, money);
+            pstmt.setString(2, memberId);
+
+            int result = pstmt.executeUpdate();
+            log.info("resultSize={}", result);
+        } catch (SQLException e) {
+            log.error("db error", e);
+            throw e;
+        } finally {
+            close(con, pstmt, null);
+        }
+    }
+
+    public void delete(String memberId) throws SQLException {
+        String sql = "delete from member where member_id=?";
+
+        Connection con = null;
+        PreparedStatement pstmt = null;
+
+        try {
+            con = getConnection();
+            pstmt = con.prepareStatement(sql);
+            pstmt.setString(1, memberId);
+            pstmt.executeUpdate();
+        } catch (SQLException e) {
+            log.error("db error", e);
+            throw e;
+        } finally {
+            close(con, pstmt, null);
+        }
+    }
+
     private void close(Connection con, Statement stmt, ResultSet rs) {
 
         if (rs != null) {

jdbc/src/test/java/com/example/jdbc/repository/MemberRepositoryV0Test.java

@@ -6,6 +6,9 @@ import org.assertj.core.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 import java.sql.SQLException;
+import java.util.NoSuchElementException;
+
+import static org.assertj.core.api.Assertions.*;
 
 @Slf4j
 class MemberRepositoryV0Test {
@@ -15,14 +18,25 @@ class MemberRepositoryV0Test {
     @Test
     void crud() throws SQLException {
         // save
-        Member member = new Member("memberV0", 10000);
+        Member member = new Member("memberV13", 10000);
         repository.save(member);
 
         // findById
         Member findMember = repository.findById(member.getMemberId());
         log.info("findMember={}", findMember);
 
-        Assertions.assertThat(findMember).isEqualTo(member);
+        assertThat(findMember).isEqualTo(member);
+
+        // update - money : 10000 -> 20000
+        repository.update(member.getMemberId(), 20000);
+        Member updatedMember = repository.findById(member.getMemberId());
+        assertThat(updatedMember.getMoney()).isEqualTo(20000);
+
+        // delete
+        repository.delete(member.getMemberId());
+        assertThatThrownBy(()-> repository.findById(member.getMemberId()))
+                .isInstanceOf(NoSuchElementException.class);
+
     }
 
 }