[레거시 코드 리팩토링 미션 - 1단계] 우르(김현우) 미션 제출합니다.

README.md

@@ -2,6 +2,40 @@
 
 ## 요구 사항
 
+### 메뉴(Menu)
+1. 메뉴를 생성할 수 있다.
+   - id, name, price, menuGroupId, List MenuProduct
+2. 모든 메뉴를 조회할 수 있다.
+
+### 메뉴 그룹(MenuGroup)
+1. 메뉴 그룹을 생성할 수 있다.
+   - id, name
+2. 모든 메뉴 그룹들을 조회할 수 있다.
+
+### 주문(Order)
+1. 주문을 생성할 수 있다.
+   - id, orderTableId, orderStatus, orderedTime, orderLineItems
+2. 모든 주문을 조회할 수 있다.
+3. 특정 주문 상태를 변경할 수 있다.
+
+### 물품(Product)
+1. 물품을 생성할 수 있다.
+   - id, name, price
+2. 모든 물품을 조회할 수 있다.
+
+### 주문 테이블 그룹(TableGroup)
+1. 여러 OrderTable을 가진 TableGroup을 생성할 수 있다.
+   - List OrderTable, createdDate, id
+2. 특정 TableGroup을 삭제할 수 있다.
+
+### 주문 테이블(Table)
+1. 주문 테이블을 생성할 수 있다.
+   - id, tableGroupId, numberOfGuests, empty(boolean)
+2. 모든 주문 테이블들을 조회할 수 있다.
+3. 특정 주문 테이블을 empty 상태로 변경할 수 있다.
+4. 특정 주문 테이블의 손님의 명 수를 변경할 수 있다.
+
+
 ## 용어 사전
 
 | 한글명 | 영문명 | 설명 |

src/main/java/kitchenpos/dao/JdbcTemplateMenuGroupDao.java

@@ -69,9 +69,10 @@ private MenuGroup select(final Long id) {
     }
 
     private MenuGroup toEntity(final ResultSet resultSet) throws SQLException {
-        final MenuGroup entity = new MenuGroup();
-        entity.setId(resultSet.getLong("id"));
-        entity.setName(resultSet.getString("name"));
+        final MenuGroup entity = new MenuGroup(
+            resultSet.getLong("id"),
+            resultSet.getString("name")
+        );
         return entity;
     }
 }

src/main/java/kitchenpos/domain/MenuGroup.java

@@ -4,6 +4,15 @@ public class MenuGroup {
     private Long id;
     private String name;
 
+    public MenuGroup(final String name) {
+        this.name = name;
+    }
+
+    public MenuGroup(final Long id, final String name) {
+        this.id = id;
+        this.name = name;
+    }
+
     public Long getId() {
         return id;
     }

src/main/resources/application.properties

@@ -2,3 +2,4 @@ logging.level.org.hibernate.type.descriptor.sql.BasicBinder=TRACE
 spring.h2.console.enabled=true
 spring.jpa.properties.hibernate.format_sql=true
 spring.jpa.show-sql=true
+spring.flyway.enabled=false

src/main/resources/db/migration/V2__Insert_default_data.sql

@@ -1,3 +1,12 @@
+ALTER TABLE order_line_item ALTER COLUMN seq RESTART WITH 1;
+ALTER TABLE menu_product ALTER COLUMN seq RESTART WITH 1;
+ALTER TABLE orders ALTER COLUMN id RESTART WITH 1;
+ALTER TABLE menu ALTER COLUMN id RESTART WITH 1;
+ALTER TABLE product ALTER COLUMN id RESTART WITH 1;
+ALTER TABLE order_table ALTER COLUMN id RESTART WITH 1;
+ALTER TABLE table_group ALTER COLUMN id RESTART WITH 1;
+ALTER TABLE menu_group ALTER COLUMN id RESTART WITH 1;
+
 insert into product (name, price)
 values ('후라이드', 16000);
 insert into product (name, price)
@@ -46,6 +55,9 @@ values (5, 5, 1);
 insert into menu_product (menu_id, product_id, quantity)
 values (6, 6, 1);
 
+insert into table_group (id, created_date)
+values (1, now());
+
 insert into order_table (number_of_guests, empty)
 values (0, true);
 insert into order_table (number_of_guests, empty)
@@ -62,3 +74,17 @@ insert into order_table (number_of_guests, empty)
 values (0, true);
 insert into order_table (number_of_guests, empty)
 values (0, true);
+insert into order_table (number_of_guests, empty)
+values (11, false);
+insert into order_table (id, number_of_guests, empty, table_group_id)
+values (333, 11, false, 1);
+insert into order_table (id, number_of_guests, empty, table_group_id)
+values (334, 11, false, 1);
+insert into order_table (id, number_of_guests, empty, table_group_id)
+values (335, 11, false, 1);
+
+insert into orders
+values (1, 'COMPLETION', now(), 1);
+insert into orders
+values (2, 'COOKING', now(), 2);
+

src/test/java/kitchenpos/application/MenuGroupServiceTest.java

@@ -0,0 +1,45 @@
+package kitchenpos.application;
+
+import static org.junit.jupiter.api.Assertions.assertAll;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.List;
+import kitchenpos.domain.MenuGroup;
+import kitchenpos.support.ServiceIntegrationTest;
+import org.junit.jupiter.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;
+
+class MenuGroupServiceTest extends ServiceIntegrationTest {
+
+  @Autowired
+  private MenuGroupService menuGroupService;
+
+  @Test
+  @DisplayName("create() : 메뉴 그룹을 생성할 수 있다.")
+  void test_create() throws Exception {
+    //given
+    final MenuGroup menuGroup = new MenuGroup("menugroup");
+
+    //when
+    final MenuGroup savedMenuGroup = menuGroupService.create(menuGroup);
+
+    //then
+    assertAll(
+        () -> Assertions.assertNotNull(savedMenuGroup.getId()),
+        () -> assertEquals(savedMenuGroup.getName(), menuGroup.getName())
+    );
+  }
+
+  @Test
+  @DisplayName("list() : 모든 메뉴 그룹들을 조회할 수 있다.")
+  void test_list() throws Exception {
+    //when
+    final List<MenuGroup> list = menuGroupService.list();
+
+    //then
+    assertEquals(4, list.size());
+  }
+}

src/test/java/kitchenpos/application/MenuServiceTest.java

@@ -0,0 +1,72 @@
+package kitchenpos.application;
+
+import static org.junit.jupiter.api.Assertions.assertAll;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import java.math.BigDecimal;
+import java.util.List;
+import kitchenpos.dao.MenuProductDao;
+import kitchenpos.domain.Menu;
+import kitchenpos.support.ServiceIntegrationTest;
+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;
+
+class MenuServiceTest extends ServiceIntegrationTest {
+
+  @Autowired
+  private MenuService menuService;
+
+  @Autowired
+  private MenuProductDao menuProductDao;
+
+  @Test
+  @DisplayName("create() : 메뉴를 생성할 수 있다.")
+  void test_create() throws Exception {
+    //given
+    final Menu menu = new Menu();
+    menu.setMenuGroupId(3L);
+    menu.setName("menu1MenuGroup3");
+    menu.setPrice(BigDecimal.valueOf(13000));
+    menu.setMenuProducts(menuProductDao.findAll());
+
+    //when
+    final Menu savedMenu = menuService.create(menu);
+
+    //then
+    assertAll(
+        () -> assertNotNull(savedMenu.getId()),
+        () -> assertEquals(menu.getName(), savedMenu.getName()),
+        () -> assertEquals(menu.getMenuGroupId(), savedMenu.getMenuGroupId()),
+        () -> assertEquals(0, menu.getPrice().compareTo(savedMenu.getPrice()))
+    );
+  }
+
+  @Test
+  @DisplayName("create() : 메뉴 가격은 메뉴 상품들의 합보다 크거나 같으면 IllegalArgumentException이 발생할 수 있다.")
+  void test_create_IllegalArgumentException() throws Exception {
+    //given
+    final Menu menu = new Menu();
+    menu.setMenuGroupId(3L);
+    menu.setName("menu1MenuGroup3");
+    menu.setPrice(BigDecimal.valueOf(100000000));
+    menu.setMenuProducts(menuProductDao.findAll());
+
+    //when & then
+    Assertions.assertThatThrownBy(() -> menuService.create(menu))
+        .isInstanceOf(IllegalArgumentException.class);
+  }
+
+  @Test
+  @DisplayName("list() : 모든 메뉴들을 조회할 수 있다.")
+  void test_list() throws Exception {
+    //when
+    final List<Menu> menus = menuService.list();
+
+    //then
+    assertEquals(6, menus.size());
+  }
+}

src/test/java/kitchenpos/application/OrderServiceTest.java

@@ -0,0 +1,91 @@
+package kitchenpos.application;
+
+import static org.junit.jupiter.api.Assertions.assertAll;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import java.util.List;
+import kitchenpos.dao.OrderDao;
+import kitchenpos.dao.OrderLineItemDao;
+import kitchenpos.domain.Order;
+import kitchenpos.domain.OrderLineItem;
+import kitchenpos.domain.OrderStatus;
+import kitchenpos.support.ServiceIntegrationTest;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+
+class OrderServiceTest extends ServiceIntegrationTest {
+
+  @Autowired
+  private OrderService orderService;
+
+  @Autowired
+  private OrderLineItemDao orderLineItemDao;
+
+  @Autowired
+  private OrderDao orderDao;
+
+  @Test
+  @DisplayName("create() : 주문을 생성할 수 있다.")
+  void test_create() throws Exception {
+    //given
+    final Order order = createSuccessfulOrder();
+
+    //when
+    final Order savedOrder = orderService.create(order);
+
+    //then
+    assertAll(
+        () -> assertNotNull(savedOrder.getId()),
+        () -> assertEquals(savedOrder.getOrderStatus(), OrderStatus.COOKING.name()),
+        () -> assertNotNull(savedOrder.getOrderedTime())
+    );
+  }
+
+  private Order createSuccessfulOrder() {
+    final OrderLineItem orderLineItem1 = new OrderLineItem();
+    orderLineItem1.setQuantity(13);
+    orderLineItem1.setMenuId(1L);
+    final OrderLineItem orderLineItem2 = new OrderLineItem();
+    orderLineItem2.setQuantity(3);
+    orderLineItem2.setMenuId(2L);
+
+    final Order order = new Order();
+    final long orderTableId = 335L;
+    order.setOrderTableId(orderTableId);
+    order.setOrderLineItems(List.of(orderLineItem1, orderLineItem2));
+    return order;
+  }
+
+  @Test
+  @DisplayName("list() : 모든 주문들을 조회할 수 있다.")
+  void test_list() throws Exception {
+    //given
+    final int beforeSize = orderService.list().size();
+
+    orderService.create(createSuccessfulOrder());
+
+    //when
+    final List<Order> savedOrders = orderService.list();
+
+    //then
+    assertEquals(savedOrders.size(), beforeSize + 1);
+  }
+
+  @Test
+  @DisplayName("changeOrderStatus() : 주문 상태를 변경할 수 있다.")
+  void test_changeOrderStatus() throws Exception {
+    //given
+    final long savedOrderId = 3333L;
+
+    final Order order = new Order();
+    order.setOrderStatus(OrderStatus.COMPLETION.name());
+
+    //when
+    final Order updatedOrder = orderService.changeOrderStatus(savedOrderId, order);
+
+    //then
+    assertEquals(order.getOrderStatus(), updatedOrder.getOrderStatus());
+  }
+}

src/test/java/kitchenpos/application/ProductServiceTest.java

@@ -0,0 +1,62 @@
+package kitchenpos.application;
+
+import static org.junit.jupiter.api.Assertions.assertAll;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import java.math.BigDecimal;
+import java.util.List;
+import kitchenpos.dao.ProductDao;
+import kitchenpos.domain.Product;
+import kitchenpos.support.ServiceIntegrationTest;
+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;
+
+class ProductServiceTest extends ServiceIntegrationTest {
+
+  @Autowired
+  private ProductService productService;
+
+  @Autowired
+  private ProductDao productDao;
+
+  @Test
+  @DisplayName("create() : 물품을 생성할 수 있다.")
+  void test_create() throws Exception {
+    //given
+    final Product product = new Product();
+    product.setName("product");
+    product.setPrice(BigDecimal.valueOf(10000));
+
+    //when
+    final Product savedProduct = productService.create(product);
+
+    //then
+    assertAll(
+        () -> assertNotNull(savedProduct.getId()),
+        () -> assertEquals(0, savedProduct.getPrice().compareTo(product.getPrice())),
+        () -> assertEquals(savedProduct.getName(), product.getName())
+    );
+  }
+
+  @Test
+  @DisplayName("list() : 모든 물품을 조회할 수 있다.")
+  void test_list() throws Exception {
+    //given
+    final Product product = new Product();
+    product.setName("product");
+    product.setPrice(BigDecimal.valueOf(10000));
+
+    final int beforeSize = productService.list().size();
+
+    productDao.save(product);
+
+    //when
+    final List<Product> products = productService.list();
+
+    //then
+    assertEquals(products.size(), beforeSize + 1);
+  }
+}