ByteBufferCapacityTest.java

/*
 * Copyright (c) 2010-2012 Sonatype, Inc. All rights reserved.
 *
 * This program is licensed to you under the Apache License Version 2.0,
 * and you may not use this file except in compliance with the Apache License Version 2.0.
 * You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the Apache License Version 2.0 is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
 */
package org.asynchttpclient;

import static org.asynchttpclient.Dsl.*;
import static org.asynchttpclient.test.TestUtils.createTempFile;
import static org.testng.Assert.*;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.concurrent.atomic.AtomicInteger;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.testng.annotations.Test;

public class ByteBufferCapacityTest extends AbstractBasicTest {

    private class BasicHandler extends AbstractHandler {

        public void handle(String s, Request r, HttpServletRequest httpRequest, HttpServletResponse httpResponse) throws IOException, ServletException {

            Enumeration<?> e = httpRequest.getHeaderNames();
            String param;
            while (e.hasMoreElements()) {
                param = e.nextElement().toString();
                httpResponse.addHeader("X-" + param, httpRequest.getHeader(param));
            }

            int size = 10 * 1024;
            if (httpRequest.getContentLength() > 0) {
                size = httpRequest.getContentLength();
            }
            byte[] bytes = new byte[size];
            if (bytes.length > 0) {
                final InputStream in = httpRequest.getInputStream();
                final OutputStream out = httpResponse.getOutputStream();
                int read;
                while ((read = in.read(bytes)) != -1) {
                    out.write(bytes, 0, read);
                }
            }

            httpResponse.setStatus(200);
            httpResponse.getOutputStream().flush();
            httpResponse.getOutputStream().close();
        }
    }

    @Override
    public AbstractHandler configureHandler() throws Exception {
        return new BasicHandler();
    }

    @Test(groups = "standalone")
    public void basicByteBufferTest() throws Exception {
        try (AsyncHttpClient c = asyncHttpClient()) {
            File largeFile = createTempFile(1024 * 100 * 10);
            final AtomicInteger byteReceived = new AtomicInteger();

            Response response = c.preparePut(getTargetUrl()).setBody(largeFile).execute(new AsyncCompletionHandlerAdapter() {
                @Override
                public State onBodyPartReceived(final HttpResponseBodyPart content) throws Exception {
                    byteReceived.addAndGet(content.getBodyByteBuffer().capacity());
                    return super.onBodyPartReceived(content);
                }

            }).get();

            assertNotNull(response);
            assertEquals(response.getStatusCode(), 200);
            assertEquals(byteReceived.get(), largeFile.length());
            assertEquals(response.getResponseBody().length(), largeFile.length());
        }
    }

    public String getTargetUrl() {
        return String.format("http://localhost:%d/foo/test", port1);
    }
}