#33 tdd(order-service): order - jpa

product-order-service/src/main/java/com/example/productorderservice/order/Order.java

@@ -1,12 +1,26 @@
 package com.example.productorderservice.order;
 
 import com.example.productorderservice.product.Product;
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
 import org.springframework.util.Assert;
 
+import javax.persistence.*;
+
+@Entity
+@Table(name = "orders")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Getter
 class Order {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
-    private final Product product;
-    private final int quantity;
+
+    @OneToOne
+    private Product product;
+    private int quantity;
 
     public Order(Product product, int quantity) {
         Assert.notNull(product, "상품은 필수입니다.");
@@ -15,11 +29,4 @@ class Order {
         this.quantity = quantity;
     }
 
-    public void assignId(Long id) {
-        this.id = id;
-    }
-
-    public Long getId() {
-        return this.id;
-    }
 }

product-order-service/src/main/java/com/example/productorderservice/order/OrderRepository.java

@@ -1,18 +1,8 @@
 package com.example.productorderservice.order;
 
+import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
-import java.util.HashMap;
-import java.util.Map;
-
 @Repository
-class OrderRepository {
-
-    private final Map<Long, Order> persistence = new HashMap<>();
-    private Long sequence = 0L;
-
-    public void save(Order order) {
-        order.assignId(++sequence);
-        persistence.put(order.getId(), order);
-    }
+public interface OrderRepository extends JpaRepository<Order, Long> {
 }

product-order-service/src/test/java/com/example/productorderservice/order/OrderApiTest.java

@@ -16,23 +16,11 @@ class OrderApiTest extends ApiTest {
     @Test
     void 상품주문() {
         ProductSteps.상품등록요청(ProductSteps.상품등록요청_생성());
-        final CreateOrderRequest request = 상품주문요청_생성();
+        final CreateOrderRequest request = OrderSteps.상품주문요청_생성();
 
-        ExtractableResponse<Response> response = RestAssured.given().log().all()
-                .contentType(MediaType.APPLICATION_JSON_VALUE)
-                .body(request)
-                .when()
-                .post("/orders")
-                .then()
-                .log().all().extract();
+        final var response = OrderSteps.상품주문요청(request);
 
         assertThat(response.statusCode()).isEqualTo(HttpStatus.CREATED.value());
     }
 
-    private static CreateOrderRequest 상품주문요청_생성() {
-        final Long productId = 1L;
-        final int quantity = 2;
-        return new CreateOrderRequest(productId, quantity);
-    }
-
 }

product-order-service/src/test/java/com/example/productorderservice/order/OrderServiceUnitTest.java

@@ -1,45 +0,0 @@
-package com.example.productorderservice.order;
-
-import com.example.productorderservice.product.DiscountPolicy;
-import com.example.productorderservice.product.Product;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-
-class OrderServiceUnitTest {
-
-    private OrderService orderService;
-    private OrderPort orderPort;
-    private OrderRepository orderRepository;
-
-    @BeforeEach
-    void setUp() {
-        orderRepository = new OrderRepository();
-        orderPort = new OrderPort() {
-            @Override
-            public Product getProductById(Long productId) {
-                return new Product("상품명", 1000, DiscountPolicy.NONE);
-            }
-
-            @Override
-            public void save(Order order) {
-                orderRepository.save(order);
-            }
-        };
-
-        orderService = new OrderService(orderPort);
-    }
-
-    @Test
-    void 상품주문() {
-        final CreateOrderRequest request = 상품주문요청_생성();
-
-        orderService.createOrder(request);
-    }
-
-    private static CreateOrderRequest 상품주문요청_생성() {
-        final Long productId = 1L;
-        final int quantity = 2;
-        return new CreateOrderRequest(productId, quantity);
-    }
-
-}

product-order-service/src/test/java/com/example/productorderservice/order/OrderSteps.java

@@ -0,0 +1,25 @@
+package com.example.productorderservice.order;
+
+import io.restassured.RestAssured;
+import io.restassured.response.ExtractableResponse;
+import io.restassured.response.Response;
+import org.springframework.http.MediaType;
+
+public class OrderSteps {
+
+    public static ExtractableResponse<Response> 상품주문요청(CreateOrderRequest request) {
+        return RestAssured.given().log().all()
+                .contentType(MediaType.APPLICATION_JSON_VALUE)
+                .body(request)
+                .when()
+                .post("/orders")
+                .then()
+                .log().all().extract();
+    }
+
+    public static CreateOrderRequest 상품주문요청_생성() {
+        final Long productId = 1L;
+        final int quantity = 2;
+        return new CreateOrderRequest(productId, quantity);
+    }
+}