[Order API TDD] 상품 조회 기능 API 테스트로 전환

product-order-service/README.md

@@ -1,3 +1,7 @@
+# TDD
+
+[실전! 스프링부트 상품-주문 API 개발로 알아보는 TDD](https://www.inflearn.com/course/%EC%8A%A4%ED%94%84%EB%A7%81%EB%B6%80%ED%8A%B8-%EC%8B%A4%EC%A0%84-%EC%83%81%ED%92%88%EC%A3%BC%EB%AC%B8-tdd/dashboard) 강의 정리 
+
 ## POJO 상품 등록 기능 구현하기
 
 **Java TDD**

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

@@ -3,10 +3,7 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.transaction.annotation.Transactional;
-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;
+import org.springframework.web.bind.annotation.*;
 
 @RestController
 @RequestMapping("/products")
@@ -27,13 +24,15 @@ public ResponseEntity<Void> addProduct(@RequestBody final AddProductRequest requ
         return ResponseEntity.status(HttpStatus.CREATED).build();
     }
 
-    public GetProductResponse getProduct(final long productId) {
+    @GetMapping("/{productId}")
+    public ResponseEntity<GetProductResponse> getProduct(@PathVariable final long productId) {
         final Product product = productPort.getProduct(productId);
 
-        return new GetProductResponse(
+        GetProductResponse response = new GetProductResponse(
                 product.getId(),
                 product.getName(),
                 product.getPrice(),
                 product.getDiscountPolicy());
+        return ResponseEntity.ok(response);
     }
 }

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

@@ -1,5 +1,8 @@
 package com.example.productorderservice.product;
 
+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;
 
@@ -16,4 +19,20 @@ class ProductApiTest extends ApiTest {
         assertThat(response.statusCode()).isEqualTo(HttpStatus.CREATED.value());
     }
 
+    @Test
+    void 상품조회() {
+        ProductSteps.requestAddProduct(ProductSteps.getAddProductRequest());
+        Long productId = 1L;
+
+        final ExtractableResponse<Response> response = RestAssured.given().log().all() // 요청 로그 남기기
+                .when()
+                .get("/products/{productId}", productId)
+                .then().log().all()
+                .extract();
+
+        assertThat(response.statusCode()).isEqualTo(HttpStatus.OK.value());
+        assertThat(response.jsonPath().getString("id")).isEqualTo("1");
+        assertThat(response.jsonPath().getString("name")).isEqualTo("상품명");
+        assertThat(response.jsonPath().getString("price")).isEqualTo("1000");
+    }
 }