/
GzipHandlerTest.java
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/
GzipHandlerTest.java
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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.servlet;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalToIgnoringCase;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.zip.GZIPInputStream;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.http.HttpTester;
import org.eclipse.jetty.server.LocalConnector;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.gzip.GzipHandler;
import org.eclipse.jetty.util.IO;
import org.hamcrest.Matchers;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class GzipHandlerTest
{
private static String __content =
"Lorem ipsum dolor sit amet, consectetur adipiscing elit. In quis felis nunc. "+
"Quisque suscipit mauris et ante auctor ornare rhoncus lacus aliquet. Pellentesque "+
"habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. "+
"Vestibulum sit amet felis augue, vel convallis dolor. Cras accumsan vehicula diam "+
"at faucibus. Etiam in urna turpis, sed congue mi. Morbi et lorem eros. Donec vulputate "+
"velit in risus suscipit lobortis. Aliquam id urna orci, nec sollicitudin ipsum. "+
"Cras a orci turpis. Donec suscipit vulputate cursus. Mauris nunc tellus, fermentum "+
"eu auctor ut, mollis at diam. Quisque porttitor ultrices metus, vitae tincidunt massa "+
"sollicitudin a. Vivamus porttitor libero eget purus hendrerit cursus. Integer aliquam "+
"consequat mauris quis luctus. Cras enim nibh, dignissim eu faucibus ac, mollis nec neque. "+
"Aliquam purus mauris, consectetur nec convallis lacinia, porta sed ante. Suspendisse "+
"et cursus magna. Donec orci enim, molestie a lobortis eu, imperdiet vitae neque.";
private static String __contentETag = String.format("W/\"%x\"",__content.hashCode());
private static String __contentETagGzip = String.format("W/\"%x--gzip\"",__content.hashCode());
private static String __icontent = "BEFORE"+__content+"AFTER";
private Server _server;
private LocalConnector _connector;
@Before
public void init() throws Exception
{
_server = new Server();
_connector = new LocalConnector(_server);
_server.addConnector(_connector);
GzipHandler gzipHandler = new GzipHandler();
gzipHandler.setExcludedAgentPatterns();
ServletContextHandler context = new ServletContextHandler(gzipHandler,"/ctx");
ServletHandler servlets = context.getServletHandler();
_server.setHandler(gzipHandler);
gzipHandler.setHandler(context);
servlets.addServletWithMapping(TestServlet.class,"/content");
servlets.addServletWithMapping(ForwardServlet.class,"/forward");
servlets.addServletWithMapping(IncludeServlet.class,"/include");
_server.start();
}
public static class TestServlet extends HttpServlet
{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse response) throws ServletException, IOException
{
response.setHeader("ETag",__contentETag);
String ifnm = req.getHeader("If-None-Match");
if (ifnm!=null && ifnm.equals(__contentETag))
response.sendError(304);
else
{
PrintWriter writer = response.getWriter();
writer.write(__content);
}
}
}
public static class ForwardServlet extends HttpServlet
{
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
getServletContext().getRequestDispatcher("/content").forward(request,response);
}
}
public static class IncludeServlet extends HttpServlet
{
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
response.getWriter().write("BEFORE");
getServletContext().getRequestDispatcher("/content").include(request,response);
response.getWriter().write("AFTER");
}
}
@After
public void destroy() throws Exception
{
_server.stop();
_server.join();
}
@Test
public void testNotGzipHandler() throws Exception
{
// generated and parsed test
HttpTester.Request request = HttpTester.newRequest();
HttpTester.Response response;
request.setMethod("GET");
request.setURI("/ctx/content");
request.setVersion("HTTP/1.0");
request.setHeader("Host","tester");
response = HttpTester.parseResponse(_connector.getResponses(request.generate()));
assertThat(response.getStatus(),is(200));
assertThat(response.get("Content-Encoding"),not(equalToIgnoringCase("gzip")));
assertThat(response.get("ETag"),is(__contentETag));
assertThat(response.get("Vary"),is("Accept-Encoding"));
InputStream testIn = new ByteArrayInputStream(response.getContentBytes());
ByteArrayOutputStream testOut = new ByteArrayOutputStream();
IO.copy(testIn,testOut);
assertEquals(__content, testOut.toString("UTF8"));
}
@Test
public void testGzipHandler() throws Exception
{
// generated and parsed test
HttpTester.Request request = HttpTester.newRequest();
HttpTester.Response response;
request.setMethod("GET");
request.setURI("/ctx/content");
request.setVersion("HTTP/1.0");
request.setHeader("Host","tester");
request.setHeader("accept-encoding","gzip");
response = HttpTester.parseResponse(_connector.getResponses(request.generate()));
assertThat(response.getStatus(),is(200));
assertThat(response.get("Content-Encoding"),Matchers.equalToIgnoringCase("gzip"));
assertThat(response.get("ETag"),is(__contentETagGzip));
assertThat(response.get("Vary"),is("Accept-Encoding"));
InputStream testIn = new GZIPInputStream(new ByteArrayInputStream(response.getContentBytes()));
ByteArrayOutputStream testOut = new ByteArrayOutputStream();
IO.copy(testIn,testOut);
assertEquals(__content, testOut.toString("UTF8"));
}
@Test
public void testETagNotGzipHandler() throws Exception
{
// generated and parsed test
HttpTester.Request request = HttpTester.newRequest();
HttpTester.Response response;
request.setMethod("GET");
request.setURI("/ctx/content");
request.setVersion("HTTP/1.0");
request.setHeader("Host","tester");
request.setHeader("If-None-Match",__contentETag);
request.setHeader("accept-encoding","gzip");
response = HttpTester.parseResponse(_connector.getResponses(request.generate()));
assertThat(response.getStatus(),is(304));
assertThat(response.get("Content-Encoding"),not(Matchers.equalToIgnoringCase("gzip")));
assertThat(response.get("ETag"),is(__contentETag));
}
@Test
public void testETagGzipHandler() throws Exception
{
// generated and parsed test
HttpTester.Request request = HttpTester.newRequest();
HttpTester.Response response;
request.setMethod("GET");
request.setURI("/ctx/content");
request.setVersion("HTTP/1.0");
request.setHeader("Host","tester");
request.setHeader("If-None-Match",__contentETagGzip);
request.setHeader("accept-encoding","gzip");
response = HttpTester.parseResponse(_connector.getResponses(request.generate()));
assertThat(response.getStatus(),is(304));
assertThat(response.get("Content-Encoding"),not(Matchers.equalToIgnoringCase("gzip")));
assertThat(response.get("ETag"),is(__contentETagGzip));
}
@Test
public void testForwardGzipHandler() throws Exception
{
// generated and parsed test
HttpTester.Request request = HttpTester.newRequest();
HttpTester.Response response;
request.setMethod("GET");
request.setVersion("HTTP/1.0");
request.setHeader("Host","tester");
request.setHeader("accept-encoding","gzip");
request.setURI("/ctx/forward");
response = HttpTester.parseResponse(_connector.getResponses(request.generate()));
assertThat(response.getStatus(),is(200));
assertThat(response.get("Content-Encoding"),Matchers.equalToIgnoringCase("gzip"));
assertThat(response.get("ETag"),is(__contentETagGzip));
assertThat(response.get("Vary"),is("Accept-Encoding"));
InputStream testIn = new GZIPInputStream(new ByteArrayInputStream(response.getContentBytes()));
ByteArrayOutputStream testOut = new ByteArrayOutputStream();
IO.copy(testIn,testOut);
assertEquals(__content, testOut.toString("UTF8"));
}
@Test
public void testIncludeGzipHandler() throws Exception
{
// generated and parsed test
HttpTester.Request request = HttpTester.newRequest();
HttpTester.Response response;
request.setMethod("GET");
request.setVersion("HTTP/1.0");
request.setHeader("Host","tester");
request.setHeader("accept-encoding","gzip");
request.setURI("/ctx/include");
response = HttpTester.parseResponse(_connector.getResponses(request.generate()));
assertThat(response.getStatus(),is(200));
assertThat(response.get("Content-Encoding"),Matchers.equalToIgnoringCase("gzip"));
assertThat(response.get("ETag"),nullValue());
assertThat(response.get("Vary"),is("Accept-Encoding"));
InputStream testIn = new GZIPInputStream(new ByteArrayInputStream(response.getContentBytes()));
ByteArrayOutputStream testOut = new ByteArrayOutputStream();
IO.copy(testIn,testOut);
assertEquals(__icontent, testOut.toString("UTF8"));
}
@Test
public void testAddGetPaths()
{
GzipHandler gzip = new GzipHandler();
gzip.addIncludedPaths("/foo");
gzip.addIncludedPaths("^/bar.*$");
String[] includedPaths = gzip.getIncludedPaths();
assertThat("Included Paths.size", includedPaths.length, is(2));
assertThat("Included Paths", Arrays.asList(includedPaths), contains("/foo","^/bar.*$"));
}
}