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Issue #5605 - Adding more gzip consume all tests
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Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>
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joakime committed Nov 18, 2020
1 parent 14f94f7 commit 5f6e72d
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Original file line number Diff line number Diff line change
Expand Up @@ -20,43 +20,73 @@

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.nio.ByteBuffer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.eclipse.jetty.client.HttpClient;
import org.eclipse.jetty.client.api.ContentResponse;
import org.eclipse.jetty.client.api.Response;
import org.eclipse.jetty.client.api.Result;
import org.eclipse.jetty.client.util.BytesContentProvider;
import org.eclipse.jetty.client.util.DeferredContentProvider;
import org.eclipse.jetty.http.HttpHeader;
import org.eclipse.jetty.http.HttpMethod;
import org.eclipse.jetty.server.HttpChannel;
import org.eclipse.jetty.server.HttpConnection;
import org.eclipse.jetty.server.HttpInput;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.server.handler.gzip.GzipHandler;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.toolchain.test.MavenTestingUtils;
import org.eclipse.jetty.util.IO;
import org.eclipse.jetty.util.component.LifeCycle;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;

import static java.nio.charset.StandardCharsets.UTF_8;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.greaterThanOrEqualTo;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.lessThanOrEqualTo;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

public class GzipWithSendErrorTest
{
private Server server;
private HttpClient client;
private ServerConnector connector;

private static void onComplete(Result result)
{
}

@BeforeEach
public void setup() throws Exception
{
server = new Server();

ServerConnector connector = new ServerConnector(server);
connector = new ServerConnector(server);
connector.setPort(0);
server.addConnector(connector);

Expand Down Expand Up @@ -100,7 +130,6 @@ public void testGzipNormalErrorNormal() throws Exception
response = client.newRequest(serverURI.resolve("/submit"))
.method(HttpMethod.POST)
.header(HttpHeader.CONTENT_ENCODING, "gzip")
.header(HttpHeader.ACCEPT_ENCODING, "gzip")
.content(new BytesContentProvider("text/plain", compressed("normal-A")))
.send();

Expand All @@ -110,7 +139,6 @@ public void testGzipNormalErrorNormal() throws Exception
response = client.newRequest(serverURI.resolve("/fail"))
.method(HttpMethod.POST)
.header(HttpHeader.CONTENT_ENCODING, "gzip")
.header(HttpHeader.ACCEPT_ENCODING, "gzip")
.content(new BytesContentProvider("text/plain", compressed("normal-B")))
.send();

Expand All @@ -120,7 +148,6 @@ public void testGzipNormalErrorNormal() throws Exception
response = client.newRequest(serverURI.resolve("/submit"))
.method(HttpMethod.POST)
.header(HttpHeader.CONTENT_ENCODING, "gzip")
.header(HttpHeader.ACCEPT_ENCODING, "gzip")
.content(new BytesContentProvider("text/plain", compressed("normal-C")))
.send();

Expand All @@ -139,15 +166,219 @@ private byte[] compressed(String content) throws IOException
}
}

/**
* Make request with compressed content.
* <p>
* Request contains (roughly) 1 MB of request network data.
* Which unpacks to 1 GB of zeros.
* </p>
* <p>
* This test is to ensure that consumeAll only reads the network data,
* and doesn't process it through the interceptors.
* </p>
*/
@Test
public void testGzipConsumeAllContentLengthBlocking() throws Exception
{
URI serverURI = server.getURI();

CountDownLatch serverRequestCompleteLatch = new CountDownLatch(1);
// count of bytes against network read
AtomicLong inputBytesIn = new AtomicLong(0L);
AtomicLong inputContentReceived = new AtomicLong(0L);
// count of bytes against API read
AtomicLong inputContentConsumed = new AtomicLong(0L);

connector.addBean(new HttpChannel.Listener()
{
@Override
public void onComplete(Request request)
{
HttpConnection connection = (HttpConnection)request.getHttpChannel().getConnection();
HttpInput httpInput = request.getHttpInput();
inputContentConsumed.set(httpInput.getContentConsumed());
inputContentReceived.set(httpInput.getContentReceived());
inputBytesIn.set(connection.getBytesIn());
serverRequestCompleteLatch.countDown();
}
});

// This is a doubly-compressed (with gzip) test resource.
// There's no point putting into SCM the full 1MB file, when the
// 3KB version is adequate.
Path zerosCompressed = MavenTestingUtils.getTestResourcePathFile("zeros.gz.gz");
byte[] compressedRequest;
try (InputStream in = Files.newInputStream(zerosCompressed);
GZIPInputStream gzipIn = new GZIPInputStream(in);
ByteArrayOutputStream out = new ByteArrayOutputStream())
{
IO.copy(gzipIn, out);
compressedRequest = out.toByteArray();
}

int sizeActuallySent = compressedRequest.length / 2;
ByteBuffer start = ByteBuffer.wrap(compressedRequest, 0, sizeActuallySent);
DeferredContentProvider contentProvider = new DeferredContentProvider(start)
{
@Override
public long getLength()
{
return compressedRequest.length;
}
};
AtomicReference<Response> clientResponseRef = new AtomicReference<>();
CountDownLatch clientResponseSuccessLatch = new CountDownLatch(1);
CountDownLatch clientResultComplete = new CountDownLatch(1);

client.newRequest(serverURI.resolve("/fail"))
.method(HttpMethod.POST)
.header(HttpHeader.CONTENT_TYPE, "application/octet-stream")
.header(HttpHeader.CONTENT_ENCODING, "gzip")
.content(contentProvider)
.onResponseSuccess((response) ->
{
clientResponseRef.set(response);
clientResponseSuccessLatch.countDown();
})
.send((result) -> clientResultComplete.countDown());

assertTrue(clientResponseSuccessLatch.await(5, TimeUnit.SECONDS), "Result not received");
Response response = clientResponseRef.get();
assertEquals(400, response.getStatus(), "Response status on /fail");

assertEquals("close", response.getHeaders().get(HttpHeader.CONNECTION), "Response Connection header");

// Await for server side to complete the request
assertTrue(serverRequestCompleteLatch.await(5, TimeUnit.SECONDS), "Request complete never occurred?");

// System.out.printf("Input Content Consumed: %,d%n", inputContentConsumed.get());
// System.out.printf("Input Content Received: %,d%n", inputContentReceived.get());
// System.out.printf("Input BytesIn Count: %,d%n", inputBytesIn.get());

// Servlet didn't read body content
assertThat("Request Input Content Consumed not have been used", inputContentConsumed.get(), is(0L));
// Network reads
assertThat("Request Input Content Received should have seen content", inputContentReceived.get(), greaterThan(0L));
assertThat("Request Input Content Received less then initial buffer", inputContentReceived.get(), lessThanOrEqualTo((long)sizeActuallySent));
assertThat("Request Connection BytesIn should have some minimal data", inputBytesIn.get(), greaterThanOrEqualTo(1024L));
assertThat("Request Connection BytesIn read should not have read all of the data", inputBytesIn.get(), lessThanOrEqualTo((long)sizeActuallySent));

// Now provide rest
contentProvider.offer(ByteBuffer.wrap(compressedRequest, sizeActuallySent, compressedRequest.length - sizeActuallySent));
contentProvider.close();

assertTrue(clientResultComplete.await(5, TimeUnit.SECONDS));
}

/**
* Make request with compressed content.
* <p>
* Request contains (roughly) 1 MB of request network data.
* Which unpacks to 1 GB of zeros.
* </p>
* <p>
* This test is to ensure that consumeAll only reads the network data,
* and doesn't process it through the interceptors.
* </p>
*/
@ParameterizedTest
@ValueSource(booleans = {true, false})
public void testGzipConsumeAllChunkedBlockingOnLastBuffer(boolean read) throws Exception
{
URI serverURI = server.getURI();

CountDownLatch serverRequestCompleteLatch = new CountDownLatch(1);
// count of bytes against network read
AtomicLong inputBytesIn = new AtomicLong(0L);
AtomicLong inputContentReceived = new AtomicLong(0L);
// count of bytes against API read
AtomicLong inputContentConsumed = new AtomicLong(0L);

connector.addBean(new HttpChannel.Listener()
{
@Override
public void onComplete(Request request)
{
HttpConnection connection = (HttpConnection)request.getHttpChannel().getConnection();
HttpInput httpInput = request.getHttpInput();
inputContentConsumed.set(httpInput.getContentConsumed());
inputContentReceived.set(httpInput.getContentReceived());
inputBytesIn.set(connection.getBytesIn());
serverRequestCompleteLatch.countDown();
}
});

// This is a doubly-compressed (with gzip) test resource.
// There's no point putting into SCM the full 1MB file, when the
// 3KB version is adequate.
Path zerosCompressed = MavenTestingUtils.getTestResourcePathFile("zeros.gz.gz");
byte[] compressedRequest;
try (InputStream in = Files.newInputStream(zerosCompressed);
GZIPInputStream gzipIn = new GZIPInputStream(in);
ByteArrayOutputStream out = new ByteArrayOutputStream())
{
IO.copy(gzipIn, out);
compressedRequest = out.toByteArray();
}

int sizeActuallySent = compressedRequest.length / 2;
ByteBuffer start = ByteBuffer.wrap(compressedRequest, 0, sizeActuallySent);
DeferredContentProvider contentProvider = new DeferredContentProvider(start);
AtomicReference<Response> clientResponseRef = new AtomicReference<>();
CountDownLatch clientResponseSuccessLatch = new CountDownLatch(1);
CountDownLatch clientResultComplete = new CountDownLatch(1);

URI uri = serverURI.resolve("/fail?read=" + read);

client.newRequest(uri)
.method(HttpMethod.POST)
.header(HttpHeader.CONTENT_TYPE, "application/octet-stream")
.header(HttpHeader.CONTENT_ENCODING, "gzip")
.content(contentProvider)
.onResponseSuccess((response) ->
{
clientResponseRef.set(response);
clientResponseSuccessLatch.countDown();
})
.send((result) -> clientResultComplete.countDown());

assertTrue(clientResponseSuccessLatch.await(5, TimeUnit.SECONDS), "Result not received");
Response response = clientResponseRef.get();
assertEquals(400, response.getStatus(), "Response status on /fail");

assertEquals("close", response.getHeaders().get(HttpHeader.CONNECTION), "Response Connection header");

// Await for server side to complete the request
assertTrue(serverRequestCompleteLatch.await(5, TimeUnit.SECONDS), "Request complete never occurred?");

// System.out.printf("Input Content Consumed: %,d%n", inputContentConsumed.get());
// System.out.printf("Input Content Received: %,d%n", inputContentReceived.get());
// System.out.printf("Input BytesIn Count: %,d%n", inputBytesIn.get());

long readCount = read ? 1L : 0L;

// Servlet read of body content
assertThat("Request Input Content Consumed not have been used", inputContentConsumed.get(), is(readCount));
// Network reads
assertThat("Request Input Content Received should have seen content", inputContentReceived.get(), greaterThan(0L));
assertThat("Request Input Content Received less then initial buffer", inputContentReceived.get(), lessThanOrEqualTo((long)sizeActuallySent));
assertThat("Request Connection BytesIn should have some minimal data", inputBytesIn.get(), greaterThanOrEqualTo(1024L));
assertThat("Request Connection BytesIn read should not have read all of the data", inputBytesIn.get(), lessThanOrEqualTo((long)sizeActuallySent));

// Now provide rest
contentProvider.offer(ByteBuffer.wrap(compressedRequest, sizeActuallySent, compressedRequest.length - sizeActuallySent));
contentProvider.close();

assertTrue(clientResultComplete.await(5, TimeUnit.SECONDS));
}

public static class PostServlet extends HttpServlet
{
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException
{
resp.setCharacterEncoding("utf-8");
resp.setContentType("text/plain");
resp.setHeader("X-Servlet", req.getServletPath());

String reqBody = IO.toString(req.getInputStream(), UTF_8);
resp.getWriter().append(reqBody);
}
Expand All @@ -158,7 +389,12 @@ public static class FailServlet extends HttpServlet
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws IOException
{
resp.setHeader("X-Servlet", req.getServletPath());
boolean read = Boolean.parseBoolean(req.getParameter("read"));
if (read)
{
int val = req.getInputStream().read();
assertNotEquals(-1, val);
}
// intentionally do not read request body here.
resp.sendError(400);
}
Expand Down
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