BAEL-3242: Use random port for test execution in spring-vertx module

spring-vertx/src/main/java/com/baeldung/vertxspring/config/PortConfiguration.java

@@ -0,0 +1,32 @@
+package com.baeldung.vertxspring.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+
+@Configuration
+public class PortConfiguration {
+
+    private static final int DEFAULT_PORT = 8069;
+
+
+    @Profile("default")
+    @Bean
+    public Integer defaultPort() {
+        return DEFAULT_PORT;
+    }
+
+    @Profile("test")
+    @Bean
+    public Integer randomPort() {
+        try (ServerSocket socket = new ServerSocket(0)) {
+            return socket.getLocalPort();
+
+        } catch (IOException e) {
+            return DEFAULT_PORT;
+        }
+    }
+}

spring-vertx/src/main/java/com/baeldung/vertxspring/verticles/ServerVerticle.java

@@ -1,5 +1,6 @@
 package com.baeldung.vertxspring.verticles;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 import io.vertx.core.AbstractVerticle;
@@ -9,6 +10,9 @@ import io.vertx.ext.web.RoutingContext;
 @Component
 public class ServerVerticle extends AbstractVerticle {
 
+    @Autowired
+    private Integer defaultPort;
+
     private void getAllArticlesHandler(RoutingContext routingContext) {
         vertx.eventBus()
             .<String>send(ArticleRecipientVerticle.GET_ALL_ARTICLES, "", result -> {
@@ -36,7 +40,7 @@ public class ServerVerticle extends AbstractVerticle {
 
         vertx.createHttpServer()
             .requestHandler(router::accept)
-            .listen(config().getInteger("http.port", 8080));
+            .listen(config().getInteger("http.port", defaultPort));
     }
 
 }

spring-vertx/src/test/java/com/baeldung/vertxspring/VertxSpringApplicationIntegrationTest.java

@@ -1,27 +1,33 @@
 package com.baeldung.vertxspring;
 
-import static org.junit.Assert.assertEquals;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.web.client.TestRestTemplate;
 import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
+import static org.junit.Assert.assertEquals;
+
 @RunWith(SpringJUnit4ClassRunner.class)
 @SpringBootTest
+@ActiveProfiles("test")
 public class VertxSpringApplicationIntegrationTest {
 
+    @Autowired
+    private Integer port;
+
     private TestRestTemplate restTemplate = new TestRestTemplate();
 
     @Test
     public void givenUrl_whenReceivedArticles_thenSuccess() throws InterruptedException {
-        ResponseEntity<String> responseEntity = restTemplate.getForEntity("http://localhost:8080/api/baeldung/articles", String.class);
+        ResponseEntity<String> responseEntity = restTemplate
+                .getForEntity("http://localhost:" + port + "/api/baeldung/articles", String.class);
 
         assertEquals(200, responseEntity.getStatusCodeValue());
     }
-
 }