Add end-to-end tests

SvenWoltmann · Jun 2, 2023 · ee3ec2f · ee3ec2f
1 parent 2d55c35
commit ee3ec2f
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Showing 11 changed files with 227 additions and 6 deletions.
diff --git a/adapter/pom.xml b/adapter/pom.xml
@@ -83,4 +83,21 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
+
+    <!-- To create an "attached test JAR" to be able to use this module's test classes in other modules -->
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>test-jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 </project>
diff --git a/adapter/src/test/java/eu/happycoders/shop/adapter/in/web/cart/CartsControllerAssertions.java b/adapter/src/test/java/eu/happycoders/shop/adapter/in/web/cart/CartsControllerAssertions.java
@@ -8,11 +8,11 @@
 import io.restassured.path.json.JsonPath;
 import io.restassured.response.Response;
 
-final class CartsControllerAssertions {
+public final class CartsControllerAssertions {
 
   private CartsControllerAssertions() {}
 
-  static void assertThatResponseIsCart(Response response, Cart cart) {
+  public static void assertThatResponseIsCart(Response response, Cart cart) {
     assertThat(response.statusCode()).isEqualTo(OK.getStatusCode());
 
     JsonPath json = response.jsonPath();

diff --git a/...rc/test/java/eu/happycoders/shop/adapter/in/web/product/ProductsControllerAssertions.java b/...rc/test/java/eu/happycoders/shop/adapter/in/web/product/ProductsControllerAssertions.java
@@ -8,19 +8,19 @@
 import io.restassured.response.Response;
 import java.util.List;
 
-final class ProductsControllerAssertions {
+public final class ProductsControllerAssertions {
 
   private ProductsControllerAssertions() {}
 
-  static void assertThatResponseIsProduct(Response response, Product product) {
+  public static void assertThatResponseIsProduct(Response response, Product product) {
     assertThat(response.statusCode()).isEqualTo(OK.getStatusCode());
 
     JsonPath json = response.jsonPath();
 
     assertThatJsonProductMatchesProduct(json, true, "", product);
   }
 
-  static void assertThatResponseIsProductList(Response response, List<Product> products) {
+  public static void assertThatResponseIsProductList(Response response, List<Product> products) {
     assertThat(response.statusCode()).isEqualTo(OK.getStatusCode());
 
     JsonPath json = response.jsonPath();

diff --git a/bootstrap/pom.xml b/bootstrap/pom.xml
@@ -52,5 +52,22 @@
             <artifactId>hibernate-validator</artifactId><!-- Required by Hibernate at runtime -->
             <scope>runtime</scope>
         </dependency>
+
+        <!-- Test scope -->
+        <dependency>
+            <groupId>io.rest-assured</groupId>
+            <artifactId>rest-assured</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- To use the "attached test JAR" from the "adapter" module -->
+        <dependency>
+            <groupId>eu.happycoders.shop</groupId>
+            <artifactId>adapter</artifactId>
+            <version>${project.version}</version>
+            <classifier>tests</classifier>
+            <type>test-jar</type>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 </project>
diff --git a/bootstrap/src/main/java/eu/happycoders/shop/bootstrap/Launcher.java b/bootstrap/src/main/java/eu/happycoders/shop/bootstrap/Launcher.java
@@ -20,8 +20,17 @@ public void startOnDefaultPort() {
     startServer();
   }
 
+  public void startOnPort(int port) {
+    server = new UndertowJaxrsServer().setPort(port);
+    startServer();
+  }
+
   private void startServer() {
     server.start();
     server.deploy(RestEasyUndertowShopApplication.class);
   }
+
+  public void stop() {
+    server.stop();
+  }
 }
diff --git a/bootstrap/src/test/java/eu/happycoders/shop/bootstrap/e2e/CartTest.java b/bootstrap/src/test/java/eu/happycoders/shop/bootstrap/e2e/CartTest.java
@@ -0,0 +1,91 @@
+package eu.happycoders.shop.bootstrap.e2e;
+
+import static eu.happycoders.shop.adapter.in.web.HttpTestCommons.TEST_PORT;
+import static eu.happycoders.shop.adapter.in.web.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.model.cart.Cart;
+import eu.happycoders.shop.model.cart.NotEnoughItemsInStockException;
+import eu.happycoders.shop.model.customer.CustomerId;
+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;
+
+@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
+class CartTest extends EndToEndTest {
+
+  private static final CustomerId TEST_CUSTOMER_ID = new CustomerId(61157);
+  private static final String CARTS_PATH = "/carts/" + TEST_CUSTOMER_ID.value();
+
+  @Test
+  @Order(1)
+  void givenAnEmptyCart_addLineItem_addsTheLineItemAndReturnsTheCartWithTheAddedItem()
+      throws NotEnoughItemsInStockException {
+    Response response =
+        given()
+            .port(TEST_PORT)
+            .queryParam("productId", LED_LIGHTS.id().value())
+            .queryParam("quantity", 3)
+            .post(CARTS_PATH + "/line-items")
+            .then()
+            .extract()
+            .response();
+
+    Cart expectedCart = new Cart(TEST_CUSTOMER_ID);
+    expectedCart.addProduct(LED_LIGHTS, 3);
+
+    assertThatResponseIsCart(response, expectedCart);
+  }
+
+  @Test
+  @Order(2)
+  void givenACartWithOneLineItem_addLineItem_addsTheLineItemAndReturnsACartWithTwoLineItems()
+      throws NotEnoughItemsInStockException {
+    Response response =
+        given()
+            .port(TEST_PORT)
+            .queryParam("productId", MONITOR_DESK_MOUNT.id().value())
+            .queryParam("quantity", 1)
+            .post(CARTS_PATH + "/line-items")
+            .then()
+            .extract()
+            .response();
+
+    Cart expectedCart = new Cart(TEST_CUSTOMER_ID);
+    expectedCart.addProduct(LED_LIGHTS, 3);
+    expectedCart.addProduct(MONITOR_DESK_MOUNT, 1);
+
+    assertThatResponseIsCart(response, expectedCart);
+  }
+
+  @Test
+  @Order(3)
+  void givenACartWithTwoLineItems_getCart_returnsTheCart() throws NotEnoughItemsInStockException {
+    Response response = given().port(TEST_PORT).get(CARTS_PATH).then().extract().response();
+
+    Cart expectedCart = new Cart(TEST_CUSTOMER_ID);
+    expectedCart.addProduct(LED_LIGHTS, 3);
+    expectedCart.addProduct(MONITOR_DESK_MOUNT, 1);
+
+    assertThatResponseIsCart(response, expectedCart);
+  }
+
+  @Test
+  @Order(4)
+  void givenACartWithTwoLineItems_delete_returnsStatusCodeNoContent() {
+    given().port(TEST_PORT).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();
+
+    assertThatResponseIsCart(response, new Cart(TEST_CUSTOMER_ID));
+  }
+}
diff --git a/bootstrap/src/test/java/eu/happycoders/shop/bootstrap/e2e/EndToEndTest.java b/bootstrap/src/test/java/eu/happycoders/shop/bootstrap/e2e/EndToEndTest.java
@@ -0,0 +1,23 @@
+package eu.happycoders.shop.bootstrap.e2e;
+
+import static eu.happycoders.shop.adapter.in.web.HttpTestCommons.TEST_PORT;
+
+import eu.happycoders.shop.bootstrap.Launcher;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+
+class EndToEndTest {
+
+  private static Launcher launcher;
+
+  @BeforeAll
+  static void init() {
+    launcher = new Launcher();
+    launcher.startOnPort(TEST_PORT);
+  }
+
+  @AfterAll
+  static void stop() {
+    launcher.stop();
+  }
+}
diff --git a/bootstrap/src/test/java/eu/happycoders/shop/bootstrap/e2e/FindProductsTest.java b/bootstrap/src/test/java/eu/happycoders/shop/bootstrap/e2e/FindProductsTest.java
@@ -0,0 +1,30 @@
+package eu.happycoders.shop.bootstrap.e2e;
+
+import static eu.happycoders.shop.adapter.in.web.HttpTestCommons.TEST_PORT;
+import static eu.happycoders.shop.adapter.in.web.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 io.restassured.response.Response;
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+class FindProductsTest extends EndToEndTest {
+
+  @Test
+  void givenTestProductsAndAQuery_findProducts_returnsMatchingProducts() {
+    String query = "monitor";
+
+    Response response =
+        given()
+            .port(TEST_PORT)
+            .queryParam("query", query)
+            .get("/products")
+            .then()
+            .extract()
+            .response();
+
+    assertThatResponseIsProductList(response, List.of(COMPUTER_MONITOR, MONITOR_DESK_MOUNT));
+  }
+}
diff --git a/bootstrap/src/test/java/eu/happycoders/shop/bootstrap/e2e/GetProductTest.java b/bootstrap/src/test/java/eu/happycoders/shop/bootstrap/e2e/GetProductTest.java
@@ -0,0 +1,25 @@
+package eu.happycoders.shop.bootstrap.e2e;
+
+import static eu.happycoders.shop.adapter.in.web.HttpTestCommons.TEST_PORT;
+import static eu.happycoders.shop.adapter.in.web.product.ProductsControllerAssertions.assertThatResponseIsProduct;
+import static eu.happycoders.shop.adapter.out.persistence.DemoProducts.PLASTIC_SHEETING;
+import static io.restassured.RestAssured.given;
+
+import io.restassured.response.Response;
+import org.junit.jupiter.api.Test;
+
+class GetProductTest extends EndToEndTest {
+
+  @Test
+  void givenATestProduct_getProduct_returnsTheProduct() {
+    Response response =
+        given()
+            .port(TEST_PORT)
+            .get("/products/" + PLASTIC_SHEETING.id().value())
+            .then()
+            .extract()
+            .response();
+
+    assertThatResponseIsProduct(response, PLASTIC_SHEETING);
+  }
+}
diff --git a/model/pom.xml b/model/pom.xml
@@ -18,7 +18,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
-                <version>3.3.0</version>
                 <executions>
                     <execution>
                         <goals>

diff --git a/pom.xml b/pom.xml
@@ -147,6 +147,16 @@
                 </executions>
             </plugin>
         </plugins>
+
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-jar-plugin</artifactId>
+                    <version>3.3.0</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
     </build>
 
     <profiles>