added integration test for product controller and unit test for product repository when product code exists and when the code is invalid

Author: Eyepatch5263

.github/workflows/catalog-service.yml

@@ -28,6 +28,9 @@ jobs:
           java-version: '21'
           cache: 'maven'
 
+      - name: Applying Spotless Plugin
+        run: ./mvnw spotless:apply
+
       - name: Make Maven wrapper executable
         run: chmod +x ./mvnw
 

catalog-service/src/test/java/com/eyepatch/works/catalogservice/domain/ProductRepositoryTest.java

@@ -2,6 +2,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
+import java.math.BigDecimal;
 import java.util.List;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -25,4 +26,18 @@ void shouldGetAllProducts() {
         List<ProductEntity> productList = productRepository.findAll();
         assertThat(productList).hasSize(15);
     }
+
+    @Test
+    void shouldGetProductByCode() {
+        ProductEntity product = productRepository.findByCode("P100").orElseThrow();
+        assertThat(product.getCode()).isEqualTo("P100");
+        assertThat(product.getName()).isEqualTo("The Hunger Games");
+        assertThat(product.getDescription()).isEqualTo("Winning will make you famous. Losing means certain death...");
+        assertThat(product.getPrice()).isEqualTo(new BigDecimal("34.0"));
+    }
+
+    @Test
+    void shouldReturnEmptyWhenProductCodeNotExists(){
+        assertThat(productRepository.findByCode("invalid_product_code")).isEmpty();
+    }
 }

catalog-service/src/test/java/com/eyepatch/works/catalogservice/web/controllers/ProductControllerTest.java

@@ -1,13 +1,17 @@
 package com.eyepatch.works.catalogservice.web.controllers;
 import static io.restassured.RestAssured.given;
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
 import static org.hamcrest.Matchers.hasSize;
 import static org.hamcrest.Matchers.is;
 
 import com.eyepatch.works.catalogservice.AbstractIT;
+import com.eyepatch.works.catalogservice.domain.Product;
 import io.restassured.http.ContentType;
 import org.junit.jupiter.api.Test;
 import org.springframework.test.context.jdbc.Sql;
 
+import java.math.BigDecimal;
+
 @Sql("/test-data.sql")
 public class ProductControllerTest extends AbstractIT {
     @Test
@@ -29,4 +33,36 @@ public void  shouldReturnProducts(){
 
     }
 
+    @Test
+    void shouldGetProductByCode(){
+        Product product = given().contentType(ContentType.JSON)
+                .when()
+                .get("/api/products/{code}","P100")
+                .then()
+                .statusCode(200)
+                .assertThat()
+                .extract()
+                .body()
+                .as(Product.class);
+
+        assertThat(product.code()).isEqualTo("P100");
+        assertThat(product.name()).isEqualTo("The Hunger Games");
+        assertThat(product.description()).isEqualTo("Winning will make you famous. Losing means certain death...");
+        assertThat(product.price()).isEqualTo(new BigDecimal("34.0"));
+    }
+
+    @Test
+    void shouldReturnEmptyWhenProductCodeNotExists(){
+        String code = "invalid_product_code";
+        given().contentType(ContentType.JSON)
+                .when()
+                .get("/api/products/{code}",code)
+                .then()
+                .statusCode(404)
+                .body("status",is(404))
+                .body("title",is("Product Not Found"))
+                .body("detail",is("Product with code: " + code + " not found"));
+
+    }
+
 }