Refactor domain to products

README.md

@@ -3,7 +3,7 @@
 This is sample code for [Securing Spring Boot Microservice using Keycloak and Testcontainers](https://testcontainers.com/guides/securing-spring-boot-microservice-using-keycloak-and-testcontainers) guide.
 
 ## 1. Setup Environment
-Make sure you have Java 8+ and a [compatible Docker environment](https://www.testcontainers.org/supported_docker_environment/) installed.
+Make sure you have Java 8+ and a [compatible Docker environment](https://java.testcontainers.org/supported_docker_environment/) installed.
 If you are going to use Maven build tool then make sure Java 17+ is installed.
 
 For example:

src/main/java/com/testcontainers/messages/Application.java → src/main/java/com/testcontainers/products/Application.java

@@ -1,4 +1,4 @@
-package com.testcontainers.messages;
+package com.testcontainers.products;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;

src/main/java/com/testcontainers/messages/api/MessageController.java → src/main/java/com/testcontainers/products/api/ProductController.java

@@ -1,7 +1,7 @@
-package com.testcontainers.messages.api;
+package com.testcontainers.products.api;
 
-import com.testcontainers.messages.domain.Message;
-import com.testcontainers.messages.domain.MessageRepository;
+import com.testcontainers.products.domain.Product;
+import com.testcontainers.products.domain.ProductRepository;
 import jakarta.validation.Valid;
 import java.util.List;
 import org.springframework.http.HttpStatus;
@@ -13,23 +13,23 @@
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
-@RequestMapping("/api/messages")
-class MessageController {
+@RequestMapping("/api/products")
+class ProductController {
 
-    private final MessageRepository messageRepository;
+    private final ProductRepository productRepository;
 
-    MessageController(MessageRepository messageRepository) {
-        this.messageRepository = messageRepository;
+    ProductController(ProductRepository productRepository) {
+        this.productRepository = productRepository;
     }
 
     @GetMapping
-    List<Message> getMessages() {
-        return messageRepository.getMessages();
+    List<Product> getAll() {
+        return productRepository.getAll();
     }
 
     @PostMapping
     @ResponseStatus(HttpStatus.CREATED)
-    Message createMessage(@RequestBody @Valid Message message) {
-        return messageRepository.createMessage(message);
+    Product createProduct(@RequestBody @Valid Product product) {
+        return productRepository.create(product);
     }
 }

src/main/java/com/testcontainers/messages/config/SecurityConfig.java → src/main/java/com/testcontainers/products/config/SecurityConfig.java

@@ -1,4 +1,4 @@
-package com.testcontainers.messages.config;
+package com.testcontainers.products.config;
 
 import static org.springframework.security.config.Customizer.withDefaults;
 
@@ -18,9 +18,9 @@ public class SecurityConfig {
 
     @Bean
     SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
-        http.authorizeHttpRequests(c -> c.requestMatchers(HttpMethod.GET, "/api/messages")
+        http.authorizeHttpRequests(c -> c.requestMatchers(HttpMethod.GET, "/api/products")
                         .permitAll()
-                        .requestMatchers(HttpMethod.POST, "/api/messages")
+                        .requestMatchers(HttpMethod.POST, "/api/products")
                         .authenticated()
                         .anyRequest()
                         .authenticated())

src/main/java/com/testcontainers/products/domain/Product.java

@@ -0,0 +1,5 @@
+package com.testcontainers.products.domain;
+
+import jakarta.validation.constraints.NotEmpty;
+
+public record Product(Long id, @NotEmpty String title, String description) {}

src/main/java/com/testcontainers/products/domain/ProductRepository.java

@@ -0,0 +1,22 @@
+package com.testcontainers.products.domain;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicLong;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class ProductRepository {
+    private static final AtomicLong ID = new AtomicLong(0L);
+    private static final List<Product> PRODUCTS = new ArrayList<>();
+
+    public List<Product> getAll() {
+        return List.copyOf(PRODUCTS);
+    }
+
+    public Product create(Product product) {
+        Product p = new Product(ID.incrementAndGet(), product.title(), product.description());
+        PRODUCTS.add(p);
+        return p;
+    }
+}

src/test/java/com/testcontainers/messages/ContainersConfig.java → src/test/java/com/testcontainers/products/ContainersConfig.java

@@ -1,12 +1,12 @@
-package com.testcontainers.messages;
+package com.testcontainers.products;
 
 import dasniko.testcontainers.keycloak.KeycloakContainer;
 import org.springframework.boot.test.context.TestConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.test.context.DynamicPropertyRegistry;
 
 @TestConfiguration(proxyBeanMethods = false)
-class ContainersConfig {
+public class ContainersConfig {
     static String KEYCLOAK_IMAGE = "quay.io/keycloak/keycloak:23.0";
     static String realmImportFile = "/keycloaktcdemo-realm.json";
     static String realmName = "keycloaktcdemo";

src/test/java/com/testcontainers/messages/TestApplication.java → src/test/java/com/testcontainers/products/TestApplication.java

@@ -1,4 +1,4 @@
-package com.testcontainers.messages;
+package com.testcontainers.products;
 
 import org.springframework.boot.SpringApplication;
 

src/test/java/com/testcontainers/messages/ApplicationTests.java → src/test/java/com/testcontainers/products/api/ProductControllerTests.java

@@ -1,11 +1,12 @@
-package com.testcontainers.messages;
+package com.testcontainers.products.api;
 
 import static io.restassured.RestAssured.given;
 import static io.restassured.RestAssured.when;
 import static java.util.Collections.singletonList;
 import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.testcontainers.products.ContainersConfig;
 import io.restassured.RestAssured;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -23,7 +24,7 @@
 
 @SpringBootTest(webEnvironment = RANDOM_PORT)
 @Import(ContainersConfig.class)
-class ApplicationTests {
+class ProductControllerTests {
 
     @LocalServerPort
     private int port;
@@ -37,25 +38,25 @@ void setup() {
     }
 
     @Test
-    void shouldGetMessagesWithoutAuthToken() {
-        when().get("/api/messages").then().statusCode(200);
+    void shouldGetProductsWithoutAuthToken() {
+        when().get("/api/products").then().statusCode(200);
     }
 
     @Test
-    void shouldCreateMessageWithAuthToken() {
+    void shouldCreateProductWithAuthToken() {
         String token = getToken();
 
         given().header("Authorization", "Bearer " + token)
                 .contentType("application/json")
                 .body(
                         """
                     {
-                        "content": "Test Message",
-                        "createdBy": "admin"
+                        "title": "New Product",
+                        "description": "Brand New Product"
                     }
                 """)
                 .when()
-                .get("/api/messages")
+                .get("/api/products")
                 .then()
                 .statusCode(200);
     }