/*
* 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.servlet.test.streams;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import javax.servlet.ServletException;
import io.undertow.servlet.api.ServletInfo;
import io.undertow.servlet.test.util.DeploymentUtils;
import io.undertow.testutils.DefaultServer;
import io.undertow.testutils.HttpClientUtils;
import io.undertow.testutils.TestHttpClient;
import io.undertow.util.StatusCodes;
import org.apache.commons.codec.binary.Hex;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
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 ServletInputStreamTestCase {
public static final String HELLO_WORLD = "Hello World";
public static final String BLOCKING_SERVLET = "blockingInput";
public static final String ASYNC_SERVLET = "asyncInput";
@BeforeClass
public static void setup() throws ServletException {
DeploymentUtils.setupServlet(
new ServletInfo(BLOCKING_SERVLET, BlockingInputStreamServlet.class)
.addMapping("/" + BLOCKING_SERVLET),
new ServletInfo(ASYNC_SERVLET, AsyncInputStreamServlet.class)
.addMapping("/" + ASYNC_SERVLET)
.setAsyncSupported(true));
}
@Test
public void testBlockingServletInputStream() {
StringBuilder builder = new StringBuilder(1000 * HELLO_WORLD.length());
for (int i = 0; i < 10; ++i) {
try {
for (int j = 0; j < 1000; ++j) {
builder.append(HELLO_WORLD);
}
String message = builder.toString();
runTest(message, BLOCKING_SERVLET);
} catch (Throwable e) {
throw new RuntimeException("test failed with i equal to " + i, e);
}
}
}
@Test
public void testAsyncServletInputStream() {
//for(int h = 0; h < 20 ; ++h) {
StringBuilder builder = new StringBuilder(1000 * HELLO_WORLD.length());
for (int i = 0; i < 10; ++i) {
try {
for (int j = 0; j < 10000; ++j) {
builder.append(HELLO_WORLD);
}
String message = builder.toString();
runTest(message, ASYNC_SERVLET);
} catch (Throwable e) {
throw new RuntimeException("test failed with i equal to " + i, e);
}
}
//}
}
@Test
public void testAsyncServletInputStreamWithEmptyRequestBody() {
String message = "";
try {
runTest(message, ASYNC_SERVLET);
} catch (Throwable e) {
throw new RuntimeException("test failed", e);
}
}
private void runTestViaJavaImpl(final String message, String url)
throws IOException {
HttpURLConnection urlcon = null;
try {
String uri = DefaultServer.getDefaultServerURL() + "/servletContext/" + url;
urlcon = (HttpURLConnection) new URL(uri).openConnection();
urlcon.setInstanceFollowRedirects(true);
urlcon.setRequestProperty("Connection", "close");
urlcon.setRequestMethod("POST");
urlcon.setDoInput(true);
urlcon.setDoOutput(true);
OutputStream os = urlcon.getOutputStream();
os.write(message.getBytes());
os.close();
Assert.assertEquals(StatusCodes.OK, urlcon.getResponseCode());
InputStream is = urlcon.getInputStream();
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
byte[] buf = new byte[256];
int len;
while ((len = is.read(buf)) > 0 ){
bytes.write(buf, 0, len);
}
is.close();
final String response = new String(bytes.toByteArray(), 0, bytes.size());
if (!message.equals(response)) {
System.out.println(String.format("response=%s", Hex.encodeHexString(response.getBytes())));
}
Assert.assertEquals(message, response);
} finally {
if (urlcon != null) {
urlcon.disconnect();
}
}
}
@Test
public void testAsyncServletInputStream3() {
String message = "to_user_id=7999&msg_body=msg3";
for (int i = 0; i < 200; ++i) {
try {
runTestViaJavaImpl(message, ASYNC_SERVLET);
} catch (Throwable e) {
System.out.println("test failed with i equal to " + i);
e.printStackTrace();
throw new RuntimeException("test failed with i equal to " + i, e);
}
}
}
public void runTest(final String message, String url) throws IOException {
TestHttpClient client = new TestHttpClient();
try {
String uri = DefaultServer.getDefaultServerURL() + "/servletContext/" + url;
HttpPost post = new HttpPost(uri);
post.setEntity(new StringEntity(message));
HttpResponse result = client.execute(post);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
final String response = HttpClientUtils.readResponse(result);
Assert.assertEquals(message.length(), response.length());
Assert.assertEquals(message, response);
} finally {
client.getConnectionManager().shutdown();
}
}
}