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* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
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* <http://www.apache.org/>.
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*/
package org.apache.http.client.protocol;
import org.apache.http.HttpEntity;
import org.apache.http.HttpException;
import org.apache.http.HttpResponse;
import org.apache.http.HttpResponseInterceptor;
import org.apache.http.HttpVersion;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.DecompressingEntity;
import org.apache.http.client.entity.GzipDecompressingEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.message.BasicHttpResponse;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;
import org.junit.Assert;
import org.junit.Test;
public class TestResponseContentEncoding {
@Test
public void testContentEncodingNoEntity() throws Exception {
final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final HttpContext context = new BasicHttpContext();
final HttpResponseInterceptor interceptor = new ResponseContentEncoding();
interceptor.process(response, context);
final HttpEntity entity = response.getEntity();
Assert.assertNull(entity);
}
@Test
public void testNoContentEncoding() throws Exception {
final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final StringEntity original = new StringEntity("plain stuff");
response.setEntity(original);
final HttpContext context = new BasicHttpContext();
final HttpResponseInterceptor interceptor = new ResponseContentEncoding();
interceptor.process(response, context);
final HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
Assert.assertTrue(entity instanceof StringEntity);
}
@Test
public void testGzipContentEncoding() throws Exception {
final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final StringEntity original = new StringEntity("encoded stuff");
original.setContentEncoding("GZip");
response.setEntity(original);
final HttpContext context = new BasicHttpContext();
final HttpResponseInterceptor interceptor = new ResponseContentEncoding();
interceptor.process(response, context);
final HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
Assert.assertTrue(entity instanceof DecompressingEntity);
}
@Test
public void testGzipContentEncodingZeroLength() throws Exception {
final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final StringEntity original = new StringEntity("");
original.setContentEncoding("GZip");
response.setEntity(original);
final HttpContext context = new BasicHttpContext();
final HttpResponseInterceptor interceptor = new ResponseContentEncoding();
interceptor.process(response, context);
final HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
Assert.assertTrue(entity instanceof StringEntity);
}
@Test
public void testXGzipContentEncoding() throws Exception {
final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final StringEntity original = new StringEntity("encoded stuff");
original.setContentEncoding("x-gzip");
response.setEntity(original);
final HttpContext context = new BasicHttpContext();
final HttpResponseInterceptor interceptor = new ResponseContentEncoding();
interceptor.process(response, context);
final HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
Assert.assertTrue(entity instanceof DecompressingEntity);
}
@Test
public void testDeflateContentEncoding() throws Exception {
final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final StringEntity original = new StringEntity("encoded stuff");
original.setContentEncoding("deFlaTe");
response.setEntity(original);
final HttpContext context = new BasicHttpContext();
final HttpResponseInterceptor interceptor = new ResponseContentEncoding();
interceptor.process(response, context);
final HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
Assert.assertTrue(entity instanceof DecompressingEntity);
}
@Test
public void testIdentityContentEncoding() throws Exception {
final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final StringEntity original = new StringEntity("encoded stuff");
original.setContentEncoding("identity");
response.setEntity(original);
final HttpContext context = new BasicHttpContext();
final HttpResponseInterceptor interceptor = new ResponseContentEncoding();
interceptor.process(response, context);
final HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
Assert.assertTrue(entity instanceof StringEntity);
}
@Test(expected=HttpException.class)
public void testUnknownContentEncoding() throws Exception {
final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final StringEntity original = new StringEntity("encoded stuff");
original.setContentEncoding("whatever");
response.setEntity(original);
final HttpContext context = new BasicHttpContext();
final HttpResponseInterceptor interceptor = new ResponseContentEncoding();
interceptor.process(response, context);
}
@Test
public void testContentEncodingRequestParameter() throws Exception {
final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final StringEntity original = new StringEntity("encoded stuff");
original.setContentEncoding("GZip");
response.setEntity(original);
final RequestConfig config = RequestConfig.custom()
.setDecompressionEnabled(false)
.build();
final HttpContext context = new BasicHttpContext();
context.setAttribute(HttpClientContext.REQUEST_CONFIG, config);
final HttpResponseInterceptor interceptor = new ResponseContentEncoding();
interceptor.process(response, context);
final HttpEntity entity = response.getEntity();
Assert.assertNotNull(entity);
Assert.assertFalse(entity instanceof GzipDecompressingEntity);
}
}