[BAEL-16767] - Fix the integrations tests in spring-boot-ops

spring-boot-ops/pom.xml

@@ -91,6 +91,12 @@
             <version>${springcloud.version}</version>
         </dependency>
         
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>${httpclient.version}</version>
+        </dependency>
+
     </dependencies>
 
     <build>
@@ -191,6 +197,7 @@
         <guava.version>18.0</guava.version>
         <subethasmtp.version>3.1.7</subethasmtp.version>
         <springcloud.version>2.0.2.RELEASE</springcloud.version>
+        <httpclient.version>4.5.8</httpclient.version>
     </properties>
 
 </project>

spring-boot-ops/src/main/java/com/baeldung/properties/ConfProperties.java

@@ -6,13 +6,13 @@ import org.springframework.stereotype.Component;
 @Component
 public class ConfProperties {
 
-    @Value("${url}")
+    @Value("${db.url}")
     private String url;
     
-    @Value("${username}")
+    @Value("${db.username}")
     private String username;
     
-    @Value("${password}")
+    @Value("${db.password}")
     private String password;
 
     public String getUrl() {

spring-boot-ops/src/main/resources/external/conf.properties

@@ -1,4 +1,4 @@
-url=jdbc:postgresql://localhost:5432/
+db.url=jdbc:postgresql://localhost:5432/
-username=admin
+db.username=admin
-password=root
+db.password=root
 spring.main.allow-bean-definition-overriding=true

spring-boot-ops/src/test/java/com/baeldung/restart/RestartApplicationIntegrationTest.java

@@ -2,25 +2,24 @@ package com.baeldung.restart;
 
 import static org.junit.Assert.assertEquals;
 
-import org.junit.After;
+import java.io.IOException;
-import org.junit.Before;
+import java.net.ServerSocket;
+
 import org.junit.Test;
 import org.springframework.boot.test.web.client.TestRestTemplate;
-import org.springframework.boot.web.client.RestTemplateBuilder;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.ResponseEntity;
 
-import java.time.Duration;
-
 public class RestartApplicationIntegrationTest {
 
     private TestRestTemplate restTemplate = new TestRestTemplate();
 
     @Test
     public void givenBootApp_whenRestart_thenOk() throws Exception {
-        Application.main(new String[0]);
+        Integer port = findRandomOpenPortOnAllLocalInterfaces();
+        Application.main(new String[] { String.format("--server.port=%d", port) });
 
-        ResponseEntity response = restTemplate.exchange("http://localhost:8080/restart",
+        ResponseEntity response = restTemplate.exchange(String.format("http://localhost:%d/restart", port),
            HttpMethod.POST, null, Object.class);
         
         assertEquals(200, response.getStatusCode().value());
@@ -28,12 +27,18 @@ public class RestartApplicationIntegrationTest {
     
     @Test
     public void givenBootApp_whenRestartUsingActuator_thenOk() throws Exception {
-        Application.main(new String[] { "--server.port=8090" });
+        Integer port = findRandomOpenPortOnAllLocalInterfaces();
+        Application.main(new String[] { String.format("--server.port=%d", port) });
 
-        ResponseEntity response = restTemplate.exchange("http://localhost:8090/restartApp",
+        ResponseEntity response = restTemplate.exchange(String.format("http://localhost:%d/restartApp", port),
            HttpMethod.POST, null, Object.class);
         
         assertEquals(200, response.getStatusCode().value());
     }
     
+    private Integer findRandomOpenPortOnAllLocalInterfaces() throws IOException {
+        try (ServerSocket socket = new ServerSocket(0);) {
+            return socket.getLocalPort();
+        }
+    }
 }