mirror of https://codeberg.org/Mercury-IM/Smack
671 lines
23 KiB
Java
671 lines
23 KiB
Java
/**
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*
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* Copyright the original author or authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.bytestreams.ibb;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import static org.junit.jupiter.api.Assertions.fail;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.Random;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smack.StanzaListener;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPException;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.StanzaError;
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import org.jivesoftware.smack.test.util.Whitebox;
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import org.jivesoftware.smack.util.stringencoder.Base64;
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import org.jivesoftware.smackx.InitExtensions;
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import org.jivesoftware.smackx.bytestreams.ibb.packet.Data;
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import org.jivesoftware.smackx.bytestreams.ibb.packet.DataPacketExtension;
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import org.jivesoftware.smackx.bytestreams.ibb.packet.Open;
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import org.jivesoftware.util.ConnectionUtils;
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import org.jivesoftware.util.Protocol;
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import org.jivesoftware.util.Verification;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.jxmpp.jid.EntityFullJid;
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import org.jxmpp.jid.JidTestUtil;
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/**
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* Test for InBandBytestreamSession.
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* <p>
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* Tests the basic behavior of an In-Band Bytestream session along with sending data encapsulated in
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* IQ stanzas.
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*
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* @author Henning Staib
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*/
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public class InBandBytestreamSessionTest extends InitExtensions {
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// settings
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private static final EntityFullJid initiatorJID = JidTestUtil.DUMMY_AT_EXAMPLE_ORG_SLASH_DUMMYRESOURCE;
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private static final EntityFullJid targetJID = JidTestUtil.FULL_JID_1_RESOURCE_1;
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private static final String sessionID = "session_id";
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private static final int blockSize = 10;
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// protocol verifier
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private Protocol protocol;
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// mocked XMPP connection
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private XMPPConnection connection;
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private Open initBytestream;
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private Verification<Data, IQ> incrementingSequence;
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/**
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* Initialize fields used in the tests.
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* @throws XMPPException if an XMPP protocol error was received.
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* @throws SmackException if Smack detected an exceptional situation.
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* @throws InterruptedException if the calling thread was interrupted.
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*/
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@BeforeEach
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public void setup() throws XMPPException, SmackException, InterruptedException {
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// build protocol verifier
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protocol = new Protocol();
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// create mocked XMPP connection
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connection = ConnectionUtils.createMockedConnection(protocol, initiatorJID);
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// create a In-Band Bytestream open packet
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initBytestream = new Open(sessionID, blockSize);
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initBytestream.setFrom(initiatorJID);
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initBytestream.setTo(targetJID);
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incrementingSequence = new Verification<Data, IQ>() {
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long lastSeq = 0;
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@Override
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public void verify(Data request, IQ response) {
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assertEquals(lastSeq++, request.getDataPacketExtension().getSeq());
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}
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};
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}
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/**
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* Test the output stream write(byte[]) method.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldSendThreeDataPackets1() throws Exception {
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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// set acknowledgments for the data packets
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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protocol.addResponse(resultIQ, incrementingSequence);
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protocol.addResponse(resultIQ, incrementingSequence);
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protocol.addResponse(resultIQ, incrementingSequence);
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byte[] controlData = new byte[blockSize * 3];
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OutputStream outputStream = session.getOutputStream();
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outputStream.write(controlData);
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outputStream.flush();
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protocol.verifyAll();
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}
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/**
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* Test the output stream write(byte) method.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldSendThreeDataPackets2() throws Exception {
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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// set acknowledgments for the data packets
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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protocol.addResponse(resultIQ, incrementingSequence);
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protocol.addResponse(resultIQ, incrementingSequence);
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protocol.addResponse(resultIQ, incrementingSequence);
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byte[] controlData = new byte[blockSize * 3];
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OutputStream outputStream = session.getOutputStream();
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for (byte b : controlData) {
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outputStream.write(b);
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}
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outputStream.flush();
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protocol.verifyAll();
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}
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/**
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* Test the output stream write(byte[], int, int) method.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldSendThreeDataPackets3() throws Exception {
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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// set acknowledgments for the data packets
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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protocol.addResponse(resultIQ, incrementingSequence);
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protocol.addResponse(resultIQ, incrementingSequence);
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protocol.addResponse(resultIQ, incrementingSequence);
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byte[] controlData = new byte[(blockSize * 3) - 2];
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OutputStream outputStream = session.getOutputStream();
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int off = 0;
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for (int i = 1; i <= 7; i++) {
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outputStream.write(controlData, off, i);
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off += i;
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}
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outputStream.flush();
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protocol.verifyAll();
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}
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/**
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* Test the output stream flush() method.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldSendThirtyDataPackets() throws Exception {
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byte[] controlData = new byte[blockSize * 3];
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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// set acknowledgments for the data packets
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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for (int i = 0; i < controlData.length; i++) {
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protocol.addResponse(resultIQ, incrementingSequence);
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}
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OutputStream outputStream = session.getOutputStream();
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for (byte b : controlData) {
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outputStream.write(b);
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outputStream.flush();
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}
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protocol.verifyAll();
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}
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/**
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* Test successive calls to the output stream flush() method.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldSendNothingOnSuccessiveCallsToFlush() throws Exception {
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byte[] controlData = new byte[blockSize * 3];
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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// set acknowledgments for the data packets
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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protocol.addResponse(resultIQ, incrementingSequence);
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protocol.addResponse(resultIQ, incrementingSequence);
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protocol.addResponse(resultIQ, incrementingSequence);
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OutputStream outputStream = session.getOutputStream();
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outputStream.write(controlData);
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outputStream.flush();
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outputStream.flush();
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outputStream.flush();
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protocol.verifyAll();
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}
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/**
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* Test that the data is correctly chunked.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldSendDataCorrectly() throws Exception {
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// create random data
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Random rand = new Random();
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final byte[] controlData = new byte[256 * blockSize];
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rand.nextBytes(controlData);
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// compares the data of each packet with the control data
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Verification<Data, IQ> dataVerification = new Verification<Data, IQ>() {
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@Override
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public void verify(Data request, IQ response) {
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byte[] decodedData = request.getDataPacketExtension().getDecodedData();
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int seq = (int) request.getDataPacketExtension().getSeq();
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for (int i = 0; i < decodedData.length; i++) {
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assertEquals(controlData[(seq * blockSize) + i], decodedData[i]);
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}
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}
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};
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// set acknowledgments for the data packets
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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for (int i = 0; i < controlData.length / blockSize; i++) {
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protocol.addResponse(resultIQ, incrementingSequence, dataVerification);
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}
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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OutputStream outputStream = session.getOutputStream();
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outputStream.write(controlData);
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outputStream.flush();
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protocol.verifyAll();
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}
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/**
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* If the input stream is closed the output stream should not be closed as well.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldNotCloseBothStreamsIfOutputStreamIsClosed() throws Exception {
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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OutputStream outputStream = session.getOutputStream();
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outputStream.close();
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// verify data packet confirmation is of type RESULT
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protocol.addResponse(null, Verification.requestTypeRESULT);
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// insert data to read
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InputStream inputStream = session.getInputStream();
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StanzaListener listener = Whitebox.getInternalState(inputStream, "dataPacketListener", StanzaListener.class);
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String base64Data = Base64.encode("Data");
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DataPacketExtension dpe = new DataPacketExtension(sessionID, 0, base64Data);
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Data data = new Data(dpe);
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listener.processStanza(data);
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// verify no packet send
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protocol.verifyAll();
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try {
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outputStream.flush();
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fail("should throw an exception");
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}
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catch (IOException e) {
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assertTrue(e.getMessage().contains("closed"));
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}
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assertTrue(inputStream.read() != 0);
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}
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/**
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* Valid data packets should be confirmed.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldConfirmReceivedDataPacket() throws Exception {
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// verify data packet confirmation is of type RESULT
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protocol.addResponse(null, Verification.requestTypeRESULT);
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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InputStream inputStream = session.getInputStream();
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StanzaListener listener = Whitebox.getInternalState(inputStream, "dataPacketListener", StanzaListener.class);
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String base64Data = Base64.encode("Data");
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DataPacketExtension dpe = new DataPacketExtension(sessionID, 0, base64Data);
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Data data = new Data(dpe);
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listener.processStanza(data);
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protocol.verifyAll();
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}
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/**
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* If the data stanza has a sequence that is already used an 'unexpected-request' error should
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* be returned. See XEP-0047 Section 2.2.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldReplyWithErrorIfAlreadyUsedSequenceIsReceived() throws Exception {
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// verify reply to first valid data packet is of type RESULT
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protocol.addResponse(null, Verification.requestTypeRESULT);
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// verify reply to invalid data packet is an error
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protocol.addResponse(null, Verification.requestTypeERROR, new Verification<IQ, IQ>() {
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@Override
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public void verify(IQ request, IQ response) {
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assertEquals(StanzaError.Condition.unexpected_request,
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request.getError().getCondition());
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}
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});
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// get IBB sessions data packet listener
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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InputStream inputStream = session.getInputStream();
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StanzaListener listener = Whitebox.getInternalState(inputStream, "dataPacketListener", StanzaListener.class);
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// build data packets
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String base64Data = Base64.encode("Data");
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DataPacketExtension dpe = new DataPacketExtension(sessionID, 0, base64Data);
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Data data1 = new Data(dpe);
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Data data2 = new Data(dpe);
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// notify listener
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listener.processStanza(data1);
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listener.processStanza(data2);
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protocol.verifyAll();
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}
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/**
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* If the data stanza contains invalid Base64 encoding an 'bad-request' error should be
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* returned. See XEP-0047 Section 2.2.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldReplyWithErrorIfDataIsInvalid() throws Exception {
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// verify reply to invalid data packet is an error
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protocol.addResponse(null, Verification.requestTypeERROR, new Verification<IQ, IQ>() {
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@Override
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public void verify(IQ request, IQ response) {
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assertEquals(StanzaError.Condition.bad_request,
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request.getError().getCondition());
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}
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});
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// get IBB sessions data packet listener
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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InputStream inputStream = session.getInputStream();
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StanzaListener listener = Whitebox.getInternalState(inputStream, "dataPacketListener", StanzaListener.class);
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// build data packets
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DataPacketExtension dpe = new DataPacketExtension(sessionID, 0, "AA=BB");
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Data data = new Data(dpe);
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// notify listener
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listener.processStanza(data);
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protocol.verifyAll();
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}
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/**
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* If a data stanza is received out of order the session should be closed. See XEP-0047 Section
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* 2.2.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldSendCloseRequestIfInvalidSequenceReceived() throws Exception {
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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// confirm data packet with invalid sequence
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protocol.addResponse(resultIQ);
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// confirm close request
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protocol.addResponse(resultIQ, Verification.requestTypeSET,
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Verification.correspondingSenderReceiver);
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// get IBB sessions data packet listener
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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InputStream inputStream = session.getInputStream();
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StanzaListener listener = Whitebox.getInternalState(inputStream, "dataPacketListener", StanzaListener.class);
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// build invalid packet with out of order sequence
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String base64Data = Base64.encode("Data");
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DataPacketExtension dpe = new DataPacketExtension(sessionID, 123, base64Data);
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Data data = new Data(dpe);
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// add data packets
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listener.processStanza(data);
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// read until exception is thrown
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try {
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inputStream.read();
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fail("exception should be thrown");
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}
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catch (IOException e) {
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assertTrue(e.getMessage().contains("Packets out of sequence"));
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}
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protocol.verifyAll();
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}
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/**
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* Test the input stream read(byte[], int, int) method.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldReadAllReceivedData1() throws Exception {
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// create random data
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Random rand = new Random();
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byte[] controlData = new byte[3 * blockSize];
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rand.nextBytes(controlData);
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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// get IBB sessions data packet listener
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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InputStream inputStream = session.getInputStream();
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StanzaListener listener = Whitebox.getInternalState(inputStream, "dataPacketListener", StanzaListener.class);
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// set data packet acknowledgment and notify listener
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for (int i = 0; i < controlData.length / blockSize; i++) {
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protocol.addResponse(resultIQ);
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String base64Data = Base64.encodeToString(controlData, i * blockSize, blockSize);
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DataPacketExtension dpe = new DataPacketExtension(sessionID, i, base64Data);
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Data data = new Data(dpe);
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listener.processStanza(data);
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}
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byte[] bytes = new byte[3 * blockSize];
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int read;
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read = inputStream.read(bytes, 0, blockSize);
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assertEquals(blockSize, read);
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read = inputStream.read(bytes, 10, blockSize);
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assertEquals(blockSize, read);
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read = inputStream.read(bytes, 20, blockSize);
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assertEquals(blockSize, read);
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// verify data
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for (int i = 0; i < bytes.length; i++) {
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assertEquals(controlData[i], bytes[i]);
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}
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protocol.verifyAll();
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}
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/**
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* Test the input stream read() method.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldReadAllReceivedData2() throws Exception {
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// create random data
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Random rand = new Random();
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byte[] controlData = new byte[3 * blockSize];
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rand.nextBytes(controlData);
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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// get IBB sessions data packet listener
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InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
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initiatorJID);
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InputStream inputStream = session.getInputStream();
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StanzaListener listener = Whitebox.getInternalState(inputStream, "dataPacketListener", StanzaListener.class);
|
|
|
|
// set data packet acknowledgment and notify listener
|
|
for (int i = 0; i < controlData.length / blockSize; i++) {
|
|
protocol.addResponse(resultIQ);
|
|
String base64Data = Base64.encodeToString(controlData, i * blockSize, blockSize);
|
|
DataPacketExtension dpe = new DataPacketExtension(sessionID, i, base64Data);
|
|
Data data = new Data(dpe);
|
|
listener.processStanza(data);
|
|
}
|
|
|
|
// read data
|
|
byte[] bytes = new byte[3 * blockSize];
|
|
for (int i = 0; i < bytes.length; i++) {
|
|
bytes[i] = (byte) inputStream.read();
|
|
}
|
|
|
|
// verify data
|
|
for (int i = 0; i < bytes.length; i++) {
|
|
assertEquals(controlData[i], bytes[i]);
|
|
}
|
|
|
|
protocol.verifyAll();
|
|
|
|
}
|
|
|
|
/**
|
|
* If the output stream is closed the input stream should not be closed as well.
|
|
*
|
|
* @throws Exception should not happen
|
|
*/
|
|
@Test
|
|
public void shouldNotCloseBothStreamsIfInputStreamIsClosed() throws Exception {
|
|
// acknowledgment for data packet
|
|
IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
|
|
protocol.addResponse(resultIQ);
|
|
|
|
// get IBB sessions data packet listener
|
|
InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
|
|
initiatorJID);
|
|
InputStream inputStream = session.getInputStream();
|
|
StanzaListener listener = Whitebox.getInternalState(inputStream, "dataPacketListener", StanzaListener.class);
|
|
|
|
// build data packet
|
|
String base64Data = Base64.encode("Data");
|
|
DataPacketExtension dpe = new DataPacketExtension(sessionID, 0, base64Data);
|
|
Data data = new Data(dpe);
|
|
|
|
// add data packets
|
|
listener.processStanza(data);
|
|
|
|
inputStream.close();
|
|
|
|
protocol.verifyAll();
|
|
|
|
try {
|
|
while (inputStream.read() != -1) {
|
|
}
|
|
inputStream.read();
|
|
fail("should throw an exception");
|
|
}
|
|
catch (IOException e) {
|
|
assertTrue(e.getMessage().contains("closed"));
|
|
}
|
|
|
|
session.getOutputStream().flush();
|
|
|
|
}
|
|
|
|
/**
|
|
* If the input stream is closed concurrently there should be no deadlock.
|
|
*
|
|
* @throws Exception should not happen
|
|
*/
|
|
@Test
|
|
public void shouldNotDeadlockIfInputStreamIsClosed() throws Exception {
|
|
// acknowledgment for data packet
|
|
IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
|
|
protocol.addResponse(resultIQ);
|
|
|
|
// get IBB sessions data packet listener
|
|
InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
|
|
initiatorJID);
|
|
final InputStream inputStream = session.getInputStream();
|
|
StanzaListener listener = Whitebox.getInternalState(inputStream, "dataPacketListener", StanzaListener.class);
|
|
|
|
// build data packet
|
|
String base64Data = Base64.encode("Data");
|
|
DataPacketExtension dpe = new DataPacketExtension(sessionID, 0, base64Data);
|
|
Data data = new Data(dpe);
|
|
|
|
// add data packets
|
|
listener.processStanza(data);
|
|
|
|
Thread closer = new Thread(new Runnable() {
|
|
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
Thread.sleep(200);
|
|
inputStream.close();
|
|
}
|
|
catch (Exception e) {
|
|
fail(e.getMessage());
|
|
}
|
|
}
|
|
|
|
});
|
|
closer.start();
|
|
|
|
try {
|
|
byte[] bytes = new byte[20];
|
|
while (inputStream.read(bytes) != -1) {
|
|
}
|
|
inputStream.read();
|
|
fail("should throw an exception");
|
|
}
|
|
catch (IOException e) {
|
|
assertTrue(e.getMessage().contains("closed"));
|
|
}
|
|
|
|
protocol.verifyAll();
|
|
|
|
}
|
|
|
|
}
|