[Order API TDD] API 테스트로 전환하기

product-order-service/README.md

@@ -126,6 +126,8 @@ final UpdateProductRequest request = new UpdateProductRequest(name, price, disco
 
 **API 테스트로 전환하기**
 
+> [API 테스트로 전환하기]()
+
 **JPA 적용**
 
 ## 주문 결제 기능 구현하기

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

@@ -1,21 +1,30 @@
 package com.example.productorderservice.order;
 
 import com.example.productorderservice.product.Product;
-import org.springframework.stereotype.Component;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
-@Component
+@RestController
+@RequestMapping("/orders")
 class OrderService {
     private final OrderPort orderPort;
 
     OrderService(final OrderPort orderPort) {
         this.orderPort = orderPort;
     }
 
-    public void createOrder(final CreateOrderRequest request) {
+    @PostMapping
+    public ResponseEntity<Void> createOrder(@RequestBody final CreateOrderRequest request) {
         final Product product = orderPort.getProductById(request.productId());
 
         final Order order = new Order(product, request.quantity());
 
         orderPort.save(order);
+
+        return ResponseEntity.status(HttpStatus.CREATED).build();
     }
 }

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

@@ -0,0 +1,38 @@
+package com.example.productorderservice.order;
+
+import com.example.productorderservice.product.ApiTest;
+import com.example.productorderservice.product.ProductSteps;
+import io.restassured.RestAssured;
+import io.restassured.response.ExtractableResponse;
+import io.restassured.response.Response;
+import org.junit.jupiter.api.Test;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class OrderApiTest extends ApiTest {
+
+    @Test
+    void 상품주문() {
+        ProductSteps.requestAddProduct(ProductSteps.getAddProductRequest());
+        final CreateOrderRequest request = getCreateOrderRequest();
+
+        final ExtractableResponse<Response> response = RestAssured.given().log().all()
+                .contentType(MediaType.APPLICATION_JSON_VALUE)
+                .body(request)
+                .when()
+                .post("/orders")
+                .then()
+                .log().all().extract();
+
+        assertThat(response.statusCode()).isEqualTo(HttpStatus.CREATED.value());
+    }
+
+    private static CreateOrderRequest getCreateOrderRequest() {
+        final long productId = 1L;
+        final int quantity = 2;
+        return new CreateOrderRequest(productId, quantity);
+    }
+
+}