/
HttpChannelEventTest.java
339 lines (292 loc) · 11.6 KB
/
HttpChannelEventTest.java
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//
// ========================================================================
// Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
// ------------------------------------------------------------------------
// 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.server;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.http.HttpField;
import org.eclipse.jetty.http.HttpStatus;
import org.eclipse.jetty.http.HttpTester;
import org.eclipse.jetty.http.HttpVersion;
import org.eclipse.jetty.io.EndPoint;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.hamcrest.Matchers;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class HttpChannelEventTest
{
private Server server;
private LocalConnector connector;
public void start(Handler handler) throws Exception
{
server = new Server();
connector = new LocalConnector(server);
server.addConnector(connector);
server.setHandler(handler);
server.start();
}
@AfterEach
public void dispose() throws Exception
{
if (server != null)
server.stop();
}
@Test
public void testRequestContentSlice() throws Exception
{
int data = 'x';
CountDownLatch applicationLatch = new CountDownLatch(1);
start(new TestHandler()
{
@Override
protected void handle(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
{
ServletInputStream input = request.getInputStream();
int content = input.read();
assertEquals(data, content);
applicationLatch.countDown();
}
});
CountDownLatch listenerLatch = new CountDownLatch(1);
connector.addBean(new HttpChannel.Listener()
{
@Override
public void onRequestContent(Request request, ByteBuffer content)
{
// Consume the buffer to verify it's a slice.
content.position(content.limit());
listenerLatch.countDown();
}
});
HttpTester.Request request = HttpTester.newRequest();
request.setHeader("Host", "localhost");
request.setContent(new byte[]{(byte)data});
ByteBuffer buffer = connector.getResponse(request.generate(), 5, TimeUnit.SECONDS);
// Listener event happens before the application.
assertTrue(listenerLatch.await(5, TimeUnit.SECONDS));
assertTrue(applicationLatch.await(5, TimeUnit.SECONDS));
HttpTester.Response response = HttpTester.parseResponse(buffer);
assertEquals(HttpStatus.OK_200, response.getStatus());
}
@Test
public void testResponseContentSlice() throws Exception
{
byte[] data = new byte[]{'y'};
start(new TestHandler()
{
@Override
protected void handle(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
{
response.getOutputStream().write(data);
}
});
CountDownLatch latch = new CountDownLatch(1);
connector.addBean(new HttpChannel.Listener()
{
@Override
public void onResponseContent(Request request, ByteBuffer content)
{
assertTrue(content.hasRemaining());
latch.countDown();
}
});
HttpTester.Request request = HttpTester.newRequest();
request.setHeader("Host", "localhost");
HttpTester.Response response = HttpTester.parseResponse(connector.getResponse(request.toString(), 5, TimeUnit.SECONDS));
assertTrue(latch.await(5, TimeUnit.SECONDS));
assertEquals(HttpStatus.OK_200, response.getStatus());
assertArrayEquals(data, response.getContentBytes());
}
@Test
public void testRequestFailure() throws Exception
{
start(new TestHandler());
CountDownLatch latch = new CountDownLatch(2);
connector.addBean(new HttpChannel.Listener()
{
@Override
public void onRequestFailure(Request request, Throwable failure)
{
latch.countDown();
}
@Override
public void onComplete(Request request)
{
latch.countDown();
}
});
// No Host header, request will fail.
String request = HttpTester.newRequest().toString();
HttpTester.Response response = HttpTester.parseResponse(connector.getResponse(request, 5, TimeUnit.SECONDS));
assertEquals(HttpStatus.BAD_REQUEST_400, response.getStatus());
assertTrue(latch.await(5, TimeUnit.SECONDS));
}
@Test
public void testResponseBeginModifyHeaders() throws Exception
{
start(new TestHandler()
{
@Override
protected void handle(HttpServletRequest request, HttpServletResponse response)
{
response.setCharacterEncoding("utf-8");
response.setContentType("text/plain");
// Intentionally add two values for a header
response.addHeader("X-Header", "foo");
response.addHeader("X-Header", "bar");
}
});
CountDownLatch latch = new CountDownLatch(1);
connector.addBean(new HttpChannel.Listener()
{
@Override
public void onResponseBegin(Request request)
{
Response response = request.getResponse();
// Eliminate all "X-Header" values from Handler, and force it to be the one value "zed"
response.getHttpFields().computeField("X-Header", (n, f) -> new HttpField(n, "zed"));
}
@Override
public void onComplete(Request request)
{
latch.countDown();
}
});
HttpTester.Request request = HttpTester.newRequest();
request.setVersion(HttpVersion.HTTP_1_1);
request.setHeader("Host", "localhost");
request.setHeader("Connection", "close");
HttpTester.Response response = HttpTester.parseResponse(connector.getResponse(request.toString(), 5, TimeUnit.SECONDS));
assertTrue(latch.await(5, TimeUnit.SECONDS));
List<HttpField> xheaders = response.getFields("X-Header");
assertThat("X-Header count", xheaders.size(), is(1));
assertThat("X-Header[0].value", xheaders.get(0).getValue(), is("zed"));
}
@Test
public void testResponseFailure() throws Exception
{
start(new TestHandler()
{
@Override
protected void handle(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
{
// Closes all connections, response will fail.
connector.getConnectedEndPoints().forEach(EndPoint::close);
}
});
CountDownLatch latch = new CountDownLatch(2);
connector.addBean(new HttpChannel.Listener()
{
@Override
public void onResponseFailure(Request request, Throwable failure)
{
latch.countDown();
}
@Override
public void onComplete(Request request)
{
latch.countDown();
}
});
HttpTester.Request request = HttpTester.newRequest();
request.setHeader("Host", "localhost");
HttpTester.parseResponse(connector.getResponse(request.toString(), 5, TimeUnit.SECONDS));
assertTrue(latch.await(5, TimeUnit.SECONDS));
}
@Test
public void testExchangeTimeRecording() throws Exception
{
start(new TestHandler());
CountDownLatch latch = new CountDownLatch(1);
AtomicLong elapsed = new AtomicLong();
connector.addBean(new HttpChannel.Listener()
{
private final String attribute = getClass().getName() + ".begin";
@Override
public void onRequestBegin(Request request)
{
request.setAttribute(attribute, System.nanoTime());
}
@Override
public void onComplete(Request request)
{
long endTime = System.nanoTime();
long beginTime = (Long)request.getAttribute(attribute);
elapsed.set(endTime - beginTime);
latch.countDown();
}
});
HttpTester.Request request = HttpTester.newRequest();
request.setHeader("Host", "localhost");
HttpTester.Response response = HttpTester.parseResponse(connector.getResponse(request.toString(), 5, TimeUnit.SECONDS));
assertEquals(HttpStatus.OK_200, response.getStatus());
assertTrue(latch.await(5, TimeUnit.SECONDS));
assertThat(elapsed.get(), Matchers.greaterThan(0L));
}
@Test
public void testTransientListener() throws Exception
{
start(new TestHandler());
CountDownLatch latch = new CountDownLatch(1);
connector.addBean(new HttpChannel.TransientListeners());
connector.addBean(new HttpChannel.Listener()
{
@Override
public void onRequestBegin(Request request)
{
request.getHttpChannel().addListener(new HttpChannel.Listener()
{
@Override
public void onComplete(Request request)
{
latch.countDown();
}
});
}
});
HttpTester.Request request = HttpTester.newRequest();
request.setHeader("Host", "localhost");
HttpTester.Response response = HttpTester.parseResponse(connector.getResponse(request.toString(), 5, TimeUnit.SECONDS));
assertEquals(HttpStatus.OK_200, response.getStatus());
assertTrue(latch.await(5, TimeUnit.SECONDS));
}
private static class TestHandler extends AbstractHandler
{
@Override
public final void handle(String target, Request jettyRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
{
jettyRequest.setHandled(true);
handle(request, response);
}
protected void handle(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
{
}
}
}