ContentEncodingTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.wink.itest.contentencoding;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;

import junit.framework.TestCase;

import org.apache.commons.httpclient.ChunkedOutputStream;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.methods.ByteArrayRequestEntity;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.wink.test.integration.ServerEnvironmentInfo;

public class ContentEncodingTest extends TestCase {

    private HttpClient          client;

    final private static String BASE_URI =
                                             ServerEnvironmentInfo.getBaseURI() + ((ServerEnvironmentInfo
                                                 .isRestFilterUsed()) ? "" : "/contentencoding");

    @Override
    public void setUp() {
        client = new HttpClient();
    }

    /**
     * Tests sending in small bits of gzip encoded content.
     * 
     * @throws HttpException
     * @throws IOException
     */
    public void testSendSmallGzipContentEncoded() throws HttpException, IOException {
        PostMethod postMethod = new PostMethod(BASE_URI + "/bigbook");

        postMethod.addRequestHeader("Accept", "text/plain");
        postMethod.setRequestHeader("Content-Encoding", "gzip");
        postMethod.setRequestHeader("Transfer-Encoding", "chunked");
        // postMethod.setRequestHeader("Content-)
        ByteArrayOutputStream originalContent = new ByteArrayOutputStream();
        originalContent.write("Hello world".getBytes("UTF-8"));

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ChunkedOutputStream chunkedOut = new ChunkedOutputStream(baos);
        GZIPOutputStream gzipOut = new GZIPOutputStream(chunkedOut);

        originalContent.writeTo(gzipOut);

        gzipOut.finish();
        chunkedOut.finish();
        byte[] content = baos.toByteArray();

        postMethod
            .setRequestEntity(new ByteArrayRequestEntity(content, "text/plain; charset=utf-8"));
        try {
            int result = client.executeMethod(postMethod);
            assertEquals(200, result);
            String response = postMethod.getResponseBodyAsString();
            assertEquals("Hello world" + "helloworld", response);
        } finally {
            postMethod.releaseConnection();
        }
    }

    /**
     * Tests sending in small bits of gzip encoded content.
     * 
     * @throws HttpException
     * @throws IOException
     */
    public void testSendLargeGzipContentEncoded() throws HttpException, IOException {
        PostMethod postMethod = new PostMethod(BASE_URI + "/bigbook/mirror");
        postMethod.setContentChunked(true);
        postMethod.addRequestHeader("Accept", "text/plain");
        postMethod.setRequestHeader("Content-Encoding", "gzip");
        // postMethod.setRequestHeader("Content-)
        ByteArrayOutputStream originalContent = new ByteArrayOutputStream();
        for (int c = 0; c < 5000000; ++c) {
            originalContent.write(c);
        }

        /*
         * gzip the contents
         */
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        GZIPOutputStream gzipOut = new GZIPOutputStream(baos);
        originalContent.writeTo(gzipOut);
        gzipOut.finish();
        byte[] content = baos.toByteArray();

        postMethod
            .setRequestEntity(new ByteArrayRequestEntity(content, "text/plain; charset=utf-8"));
        try {
            int result = client.executeMethod(postMethod);
            assertEquals(200, result);
            InputStream responseStream = postMethod.getResponseBodyAsStream();
            for (int c = 0; c < 5000000; ++c) {
                assertEquals(c % 256, responseStream.read());
            }
        } finally {
            postMethod.releaseConnection();
        }
    }

    /**
     * Tests sending in small bits of gzip encoded content.
     * 
     * @throws HttpException
     * @throws IOException
     */
    public void testSendLargeGzipContentEncodedAndReceiveContentEncoded() throws HttpException,
        IOException {
        PostMethod postMethod = new PostMethod(BASE_URI + "/bigbook/mirror");
        postMethod.setContentChunked(true);
        postMethod.setRequestHeader("Accept", "text/plain");
        postMethod.setRequestHeader("Accept-Encoding", "gzip");
        postMethod.setRequestHeader("Content-Encoding", "gzip");
        ByteArrayOutputStream originalContent = new ByteArrayOutputStream();
        for (int c = 0; c < 5000000; ++c) {
            originalContent.write(c);
        }

        /*
         * gzip the contents
         */
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        GZIPOutputStream gzipOut = new GZIPOutputStream(baos);
        originalContent.writeTo(gzipOut);
        gzipOut.finish();
        byte[] content = baos.toByteArray();

        postMethod
            .setRequestEntity(new ByteArrayRequestEntity(content, "text/plain; charset=utf-8"));
        try {
            int result = client.executeMethod(postMethod);
            assertEquals(200, result);
            InputStream responseStream = new GZIPInputStream(postMethod.getResponseBodyAsStream());
            for (int c = 0; c < 5000000; ++c) {
                assertEquals(c % 256, responseStream.read());
            }
        } finally {
            postMethod.releaseConnection();
        }
    }

}