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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.rhttp.connector;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.HashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import junit.framework.TestCase;
import org.eclipse.jetty.rhttp.client.ClientListener;
import org.eclipse.jetty.rhttp.client.RHTTPClient;
import org.eclipse.jetty.rhttp.client.RHTTPListener;
import org.eclipse.jetty.rhttp.client.RHTTPRequest;
import org.eclipse.jetty.rhttp.client.RHTTPResponse;
import org.eclipse.jetty.rhttp.connector.ReverseHTTPConnector;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.AbstractHandler;
/**
* @version $Revision$ $Date$
*/
public class ReverseHTTPConnectorTest extends TestCase
{
public void testGatewayConnectorWithoutRequestBody() throws Exception
{
testGatewayConnector(false);
}
public void testGatewayConnectorWithRequestBody() throws Exception
{
testGatewayConnector(true);
}
private void testGatewayConnector(boolean withRequestBody) throws Exception
{
Server server = new Server();
final CountDownLatch handlerLatch = new CountDownLatch(1);
CountDownLatch clientLatch = new CountDownLatch(1);
AtomicReference<RHTTPResponse> responseRef = new AtomicReference<RHTTPResponse>();
ReverseHTTPConnector connector = new ReverseHTTPConnector(new TestClient(clientLatch, responseRef));
server.addConnector(connector);
final String method = "POST";
final String uri = "/test";
final byte[] requestBody = withRequestBody ? "REQUEST-BODY".getBytes("UTF-8") : new byte[0];
final int statusCode = HttpServletResponse.SC_CREATED;
final String headerName = "foo";
final String headerValue = "bar";
final byte[] responseBody = "RESPONSE-BODY".getBytes("UTF-8");
server.setHandler(new AbstractHandler()
{
public void handle(String pathInfo, org.eclipse.jetty.server.Request request, HttpServletRequest httpRequest, HttpServletResponse httpResponse) throws IOException, ServletException
{
assertEquals(method, httpRequest.getMethod());
assertEquals(uri, httpRequest.getRequestURI());
assertEquals(headerValue, httpRequest.getHeader(headerName));
ByteArrayOutputStream baos = new ByteArrayOutputStream();
InputStream input = httpRequest.getInputStream();
int read;
while ((read = input.read()) >= 0)
baos.write(read);
baos.close();
assertTrue(Arrays.equals(requestBody, baos.toByteArray()));
httpResponse.setStatus(statusCode);
httpResponse.setHeader(headerName, headerValue);
OutputStream output = httpResponse.getOutputStream();
output.write(responseBody);
output.flush();
request.setHandled(true);
handlerLatch.countDown();
}
});
server.start();
HashMap<String, String> headers = new HashMap<String, String>();
headers.put("Host", "localhost");
headers.put(headerName, headerValue);
headers.put("Content-Length", String.valueOf(requestBody.length));
RHTTPRequest request = new RHTTPRequest(1, method, uri, headers, requestBody);
request = RHTTPRequest.fromRequestBytes(request.getId(), request.getRequestBytes());
connector.onRequest(request);
assertTrue(handlerLatch.await(1000, TimeUnit.MILLISECONDS));
assertTrue(clientLatch.await(1000, TimeUnit.MILLISECONDS));
RHTTPResponse response = responseRef.get();
assertEquals(request.getId(), response.getId());
assertEquals(statusCode, response.getStatusCode());
assertEquals(headerValue, response.getHeaders().get(headerName));
assertTrue(Arrays.equals(response.getBody(), responseBody));
}
private class TestClient implements RHTTPClient
{
private final CountDownLatch latch;
private final AtomicReference<RHTTPResponse> responseRef;
private TestClient(CountDownLatch latch, AtomicReference<RHTTPResponse> response)
{
this.latch = latch;
this.responseRef = response;
}
public String getTargetId()
{
return null;
}
public void connect() throws IOException
{
}
public void disconnect() throws IOException
{
}
public void deliver(RHTTPResponse response) throws IOException
{
responseRef.set(response);
latch.countDown();
}
public void addListener(RHTTPListener listener)
{
}
public void removeListener(RHTTPListener listener)
{
}
public void addClientListener(ClientListener listener)
{
}
public void removeClientListener(ClientListener listener)
{
}
public String getHost()
{
return null;
}
public int getPort()
{
return 0;
}
public String getGatewayURI()
{
// TODO Auto-generated method stub
return null;
}
public String getPath()
{
// TODO Auto-generated method stub
return null;
}
}
}
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