/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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 io.undertow.server.handlers.encoding;
import java.io.IOException;
import java.util.Random;
import io.undertow.io.IoCallback;
import io.undertow.predicate.Predicates;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.testutils.DefaultServer;
import io.undertow.testutils.HttpClientUtils;
import io.undertow.util.Headers;
import io.undertow.util.StatusCodes;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.ContentEncodingHttpClient;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* @author Stuart Douglas
*/
@RunWith(DefaultServer.class)
public class DeflateContentEncodingTestCase {
private static volatile String message;
@BeforeClass
public static void setup() {
final EncodingHandler handler = new EncodingHandler(new ContentEncodingRepository()
.addEncodingHandler("deflate", new DeflateEncodingProvider(), 50, Predicates.maxContentSize(5)))
.setNext(new HttpHandler() {
@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
exchange.getResponseHeaders().put(Headers.CONTENT_LENGTH, message.length() + "");
exchange.getResponseSender().send(message, IoCallback.END_EXCHANGE);
}
});
DefaultServer.setRootHandler(handler);
}
/**
* Tests the use of the deflate contentent encoding
*
* @throws IOException
*/
@Test
public void testDeflateEncoding() throws IOException {
runTest("Hello World");
}
/**
* This message should not be compressed as it is too small
*
* @throws IOException
*/
@Test
public void testSmallMessagePredicateDoesNotCompress() throws IOException {
ContentEncodingHttpClient client = new ContentEncodingHttpClient();
try {
message = "Hi";
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
get.setHeader(Headers.ACCEPT_ENCODING_STRING, "deflate");
HttpResponse result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Header[] header = result.getHeaders(Headers.CONTENT_ENCODING_STRING);
Assert.assertEquals(0, header.length);
final String body = HttpClientUtils.readResponse(result);
Assert.assertEquals("Hi", body);
} finally {
client.getConnectionManager().shutdown();
}
}
@Test
public void testDeflateEncodingBigResponse() throws IOException {
final StringBuilder messageBuilder = new StringBuilder(691963);
for (int i = 0; i < 691963; ++i) {
messageBuilder.append("*");
}
runTest(messageBuilder.toString());
}
@Test
public void testDeflateEncodingRandomSizeResponse() throws IOException {
int seed = new Random().nextInt();
System.out.println("Using seed " + seed);
try {
final Random random = new Random(seed);
int size = random.nextInt(691963);
final StringBuilder messageBuilder = new StringBuilder(size);
for (int i = 0; i < size; ++i) {
messageBuilder.append('*' + random.nextInt(10));
}
runTest(messageBuilder.toString());
} catch (Exception e) {
throw new RuntimeException("Test failed with seed " + seed, e);
}
}
public void runTest(final String theMessage) throws IOException {
ContentEncodingHttpClient client = new ContentEncodingHttpClient();
try {
message = theMessage;
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
get.setHeader(Headers.ACCEPT_ENCODING_STRING, "deflate");
HttpResponse result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Header[] header = result.getHeaders(Headers.CONTENT_ENCODING_STRING);
Assert.assertEquals("deflate", header[0].getValue());
final String body = HttpClientUtils.readResponse(result);
Assert.assertEquals(theMessage, body);
} finally {
client.getConnectionManager().shutdown();
}
}
}