Fix broken (Async)RestTemplate integration tests

Issue: SPR-13157

spring-web/src/test/java/org/springframework/web/client/AbstractJettyServerTestCase.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -50,27 +50,22 @@ import static org.junit.Assert.*;
  */
 public class AbstractJettyServerTestCase {
 
-	protected static String helloWorld = "H\u00e9llo W\u00f6rld";
+	protected static final String helloWorld = "H\u00e9llo W\u00f6rld";
 
-	protected static int port;
-	protected static String baseUrl;
+	protected static final int port = SocketUtils.findAvailableTcpPort();
 
-	protected static MediaType textContentType;
-	protected static MediaType jsonContentType;
+	protected static final String baseUrl = "http://localhost:" + port;
 
-	private static Server jettyServer;
+	protected static final MediaType textContentType = new MediaType("text", "plain", Collections.singletonMap("charset", "utf-8"));
+
+	protected static final MediaType jsonContentType = new MediaType("application", "json", Collections.singletonMap("charset", "utf-8"));
+
+	private static final Server jettyServer = new Server(port);
 
 	@BeforeClass
 	public static void startJettyServer() throws Exception {
-		port = SocketUtils.findAvailableTcpPort();
-		jettyServer = new Server(port);
-		baseUrl = "http://localhost:" + port;
 		ServletContextHandler handler = new ServletContextHandler();
-		byte[] bytes = helloWorld.getBytes("UTF-8");
-		textContentType = new MediaType("text", "plain", Collections
-				.singletonMap("charset", "UTF-8"));
-		jsonContentType = new MediaType("application", "json", Collections
-				.singletonMap("charset", "UTF-8"));
+		byte[] bytes = helloWorld.getBytes("utf-8");
 		handler.addServlet(new ServletHolder(new GetServlet(bytes, textContentType)), "/get");
 		handler.addServlet(new ServletHolder(new GetServlet(new byte[0], textContentType)), "/get/nothing");
 		handler.addServlet(new ServletHolder(new GetServlet(bytes, null)), "/get/nocontenttype");
@@ -212,7 +207,7 @@ public class AbstractJettyServerTestCase {
 			response.setStatus(HttpServletResponse.SC_CREATED);
 			response.setHeader("Location", location);
 			response.setContentType(contentType.toString());
-			byte[] bytes = body.getBytes("UTF-8");
+			byte[] bytes = body.getBytes("utf-8");
 			response.setContentLength(bytes.length);;
 			FileCopyUtils.copy(bytes, response.getOutputStream());
 		}
@@ -244,7 +239,7 @@ public class AbstractJettyServerTestCase {
 		@Override
 		protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
 			resp.setContentType("text/plain");
-			resp.setCharacterEncoding("UTF-8");
+			resp.setCharacterEncoding("utf-8");
 			resp.getWriter().write(req.getRequestURI());
 		}
 	}

spring-web/src/test/java/org/springframework/web/client/AsyncRestTemplateIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,7 +25,6 @@ import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 
-import org.junit.Before;
 import org.junit.Test;
 
 import org.springframework.core.io.ClassPathResource;
@@ -50,13 +49,7 @@ import static org.junit.Assert.*;
  */
 public class AsyncRestTemplateIntegrationTests extends AbstractJettyServerTestCase {
 
-	private AsyncRestTemplate template;
-
-
-	@Before
-	public void createTemplate() {
-		template = new AsyncRestTemplate(new HttpComponentsAsyncClientHttpRequestFactory());
-	}
+	private final AsyncRestTemplate template = new AsyncRestTemplate(new HttpComponentsAsyncClientHttpRequestFactory());
 
 
 	@Test

spring-web/src/test/java/org/springframework/web/client/RestTemplateIntegrationTests.java

@@ -23,8 +23,6 @@ import java.nio.charset.Charset;
 import java.util.EnumSet;
 import java.util.Set;
 
-import com.fasterxml.jackson.annotation.JsonView;
-import org.junit.Before;
 import org.junit.Test;
 
 import org.springframework.core.io.ClassPathResource;
@@ -40,6 +38,8 @@ import org.springframework.http.converter.json.MappingJacksonValue;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 
+import com.fasterxml.jackson.annotation.JsonView;
+
 import static org.junit.Assert.*;
 
 /**
@@ -47,12 +47,8 @@ import static org.junit.Assert.*;
  */
 public class RestTemplateIntegrationTests extends AbstractJettyServerTestCase {
 
-	private RestTemplate template;
+	private final RestTemplate template = new RestTemplate(new HttpComponentsClientHttpRequestFactory());
 
-	@Before
-	public void createTemplate() {
-		template = new RestTemplate(new HttpComponentsClientHttpRequestFactory());
-	}
 
 	@Test
 	public void getString() {