use Netty leak detector extension

Author: sullis

Diff for: client/pom.xml

@@ -96,6 +96,12 @@
             <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <groupId>io.github.nettyplus</groupId>
+            <artifactId>netty-leak-detector-junit-extension</artifactId>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-servlet</artifactId>

Diff for: client/src/test/java/org/asynchttpclient/AbstractBasicTest.java

@@ -15,6 +15,7 @@
  */
 package org.asynchttpclient;
 
+import io.github.nettyplus.leakdetector.junit.NettyLeakDetectorExtension;
 import org.asynchttpclient.test.EchoHandler;
 import org.eclipse.jetty.server.Server;
 import org.eclipse.jetty.server.ServerConnector;
@@ -24,12 +25,14 @@
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.TestInstance;
+import org.junit.jupiter.api.extension.ExtendWith;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import static org.asynchttpclient.test.TestUtils.addHttpConnector;
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
+@ExtendWith(NettyLeakDetectorExtension.class)
 public abstract class AbstractBasicTest {
     protected static final Logger logger = LoggerFactory.getLogger(AbstractBasicTest.class);
     protected static final int TIMEOUT = 30;

Diff for: client/src/test/java/org/asynchttpclient/testserver/HttpTest.java

@@ -15,15 +15,18 @@
  */
 package org.asynchttpclient.testserver;
 
+import io.github.nettyplus.leakdetector.junit.NettyLeakDetectorExtension;
 import org.asynchttpclient.AsyncHttpClient;
 import org.asynchttpclient.AsyncHttpClientConfig;
 import org.asynchttpclient.DefaultAsyncHttpClientConfig;
+import org.junit.jupiter.api.extension.ExtendWith;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import static org.asynchttpclient.Dsl.asyncHttpClient;
 import static org.asynchttpclient.Dsl.config;
 
+@ExtendWith(NettyLeakDetectorExtension.class)
 public abstract class HttpTest {
 
     protected static final String COMPLETED_EVENT = "Completed";

Diff for: pom.xml

@@ -112,6 +112,11 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
+            <dependency>
+                <groupId>io.github.nettyplus</groupId>
+                <artifactId>netty-leak-detector-junit-extension</artifactId>
+                <version>0.0.2</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>