Use Quarkus application framework - step 3: DI in bootstrap + Maven plugin

Author: SvenWoltmann

adapter/src/main/java/eu/happycoders/shop/adapter/out/persistence/jpa/EntityManagerFactoryFactory.java

@@ -7,9 +7,6 @@
 
 public final class HttpTestCommons {
 
-  // So the tests can run when the application runs on port 8080:
-  public static final int TEST_PORT = 8082;
-
   private HttpTestCommons() {}
 
   public static void assertThatResponseIsError(

adapter/src/test/java/eu/happycoders/shop/adapter/in/rest/HttpTestCommons.java

@@ -32,20 +32,6 @@
             <version>${project.version}</version>
         </dependency>
 
-        <!-- External -->
-        <!-- Required temporarily during migration -->
-        <dependency>
-            <groupId>org.jboss.resteasy</groupId>
-            <artifactId>resteasy-undertow</artifactId>
-            <exclusions>
-                <!-- Conflicts with io.smallrye:jandex, a dependency from Hibernate -->
-                <exclusion>
-                    <groupId>org.jboss</groupId>
-                    <artifactId>jandex</artifactId>
-                </exclusion>
-            </exclusions>
-        </dependency>
-
         <!-- Test scope -->
         <dependency>
             <groupId>io.quarkus</groupId>
@@ -79,6 +65,25 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>io.quarkus.platform</groupId>
+                <artifactId>quarkus-maven-plugin</artifactId>
+                <extensions>true</extensions>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>build</goal>
+                            <goal>generate-code</goal>
+                            <goal>generate-code-tests</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
     <profiles>
         <profile>
             <id>test-coverage</id>

bootstrap/pom.xml

@@ -0,0 +1,3 @@
+# No properties required for this demo application
+# You would put database connection parameters here, for example.
+# But in dev mode, Quarkus creates those auto-magically.

bootstrap/src/main/java/eu/happycoders/shop/bootstrap/Launcher.java

@@ -1,23 +1,27 @@
 package eu.happycoders.shop.bootstrap.e2e;
 
-import static eu.happycoders.shop.adapter.in.rest.HttpTestCommons.TEST_PORT;
 import static eu.happycoders.shop.adapter.in.rest.cart.CartsControllerAssertions.assertThatResponseIsCart;
 import static eu.happycoders.shop.adapter.out.persistence.DemoProducts.LED_LIGHTS;
 import static eu.happycoders.shop.adapter.out.persistence.DemoProducts.MONITOR_DESK_MOUNT;
 import static io.restassured.RestAssured.given;
 import static jakarta.ws.rs.core.Response.Status.NO_CONTENT;
 
+import eu.happycoders.shop.adapter.TestProfileWithMySQL;
 import eu.happycoders.shop.model.cart.Cart;
 import eu.happycoders.shop.model.cart.NotEnoughItemsInStockException;
 import eu.happycoders.shop.model.customer.CustomerId;
+import io.quarkus.test.junit.QuarkusTest;
+import io.quarkus.test.junit.TestProfile;
 import io.restassured.response.Response;
 import org.junit.jupiter.api.MethodOrderer;
 import org.junit.jupiter.api.Order;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.TestMethodOrder;
 
+@QuarkusTest
+@TestProfile(TestProfileWithMySQL.class)
 @TestMethodOrder(MethodOrderer.OrderAnnotation.class)
-class CartTest extends EndToEndTest {
+class CartTest {
 
   private static final CustomerId TEST_CUSTOMER_ID = new CustomerId(61157);
   private static final String CARTS_PATH = "/carts/" + TEST_CUSTOMER_ID.value();
@@ -28,7 +32,6 @@ void givenAnEmptyCart_addLineItem_addsTheLineItemAndReturnsTheCartWithTheAddedIt
       throws NotEnoughItemsInStockException {
     Response response =
         given()
-            .port(TEST_PORT)
             .queryParam("productId", LED_LIGHTS.id().value())
             .queryParam("quantity", 3)
             .post(CARTS_PATH + "/line-items")
@@ -48,7 +51,6 @@ void givenACartWithOneLineItem_addLineItem_addsTheLineItemAndReturnsACartWithTwo
       throws NotEnoughItemsInStockException {
     Response response =
         given()
-            .port(TEST_PORT)
             .queryParam("productId", MONITOR_DESK_MOUNT.id().value())
             .queryParam("quantity", 1)
             .post(CARTS_PATH + "/line-items")
@@ -66,7 +68,7 @@ void givenACartWithOneLineItem_addLineItem_addsTheLineItemAndReturnsACartWithTwo
   @Test
   @Order(3)
   void givenACartWithTwoLineItems_getCart_returnsTheCart() throws NotEnoughItemsInStockException {
-    Response response = given().port(TEST_PORT).get(CARTS_PATH).then().extract().response();
+    Response response = given().get(CARTS_PATH).then().extract().response();
 
     Cart expectedCart = new Cart(TEST_CUSTOMER_ID);
     expectedCart.addProduct(LED_LIGHTS, 3);
@@ -78,13 +80,13 @@ void givenACartWithTwoLineItems_getCart_returnsTheCart() throws NotEnoughItemsIn
   @Test
   @Order(4)
   void givenACartWithTwoLineItems_delete_returnsStatusCodeNoContent() {
-    given().port(TEST_PORT).delete(CARTS_PATH).then().statusCode(NO_CONTENT.getStatusCode());
+    given().delete(CARTS_PATH).then().statusCode(NO_CONTENT.getStatusCode());
   }
 
   @Test
   @Order(5)
   void givenAnEmptiedCart_getCart_returnsAnEmptyCart() {
-    Response response = given().port(TEST_PORT).get(CARTS_PATH).then().extract().response();
+    Response response = given().get(CARTS_PATH).then().extract().response();
 
     assertThatResponseIsCart(response, new Cart(TEST_CUSTOMER_ID));
   }

bootstrap/src/main/java/eu/happycoders/shop/bootstrap/RestEasyUndertowShopApplication.java

@@ -1,29 +1,27 @@
 package eu.happycoders.shop.bootstrap.e2e;
 
-import static eu.happycoders.shop.adapter.in.rest.HttpTestCommons.TEST_PORT;
 import static eu.happycoders.shop.adapter.in.rest.product.ProductsControllerAssertions.assertThatResponseIsProductList;
 import static eu.happycoders.shop.adapter.out.persistence.DemoProducts.COMPUTER_MONITOR;
 import static eu.happycoders.shop.adapter.out.persistence.DemoProducts.MONITOR_DESK_MOUNT;
 import static io.restassured.RestAssured.given;
 
+import eu.happycoders.shop.adapter.TestProfileWithMySQL;
+import io.quarkus.test.junit.QuarkusTest;
+import io.quarkus.test.junit.TestProfile;
 import io.restassured.response.Response;
 import java.util.List;
 import org.junit.jupiter.api.Test;
 
-class FindProductsTest extends EndToEndTest {
+@QuarkusTest
+@TestProfile(TestProfileWithMySQL.class)
+class FindProductsTest {
 
   @Test
   void givenTestProductsAndAQuery_findProducts_returnsMatchingProducts() {
     String query = "monitor";
 
     Response response =
-        given()
-            .port(TEST_PORT)
-            .queryParam("query", query)
-            .get("/products")
-            .then()
-            .extract()
-            .response();
+        given().queryParam("query", query).get("/products").then().extract().response();
 
     assertThatResponseIsProductList(response, List.of(COMPUTER_MONITOR, MONITOR_DESK_MOUNT));
   }

bootstrap/src/main/resources/application.properties

@@ -88,6 +88,12 @@
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>io.quarkus.platform</groupId>
+                <artifactId>quarkus-maven-plugin</artifactId>
+                <version>${quarkus.platform.version}</version>
+            </plugin>
+
             <!-- Make sure to use the latest compiler and surefire plugins
                  (their versions otherwise depends on the Maven version in use). -->
             <plugin>