377 lines
12 KiB
Java
377 lines
12 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.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.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.PacketListener;
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import org.jivesoftware.smack.SmackException;
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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.Message;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamManager.StanzaType;
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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.Before;
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import org.junit.Test;
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import org.powermock.reflect.Whitebox;
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/**
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* Test for InBandBytestreamSession.
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* <p>
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* Tests sending data encapsulated in message stanzas.
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*
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* @author Henning Staib
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*/
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public class InBandBytestreamSessionMessageTest {
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// settings
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String initiatorJID = "initiator@xmpp-server/Smack";
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String targetJID = "target@xmpp-server/Smack";
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String xmppServer = "xmpp-server";
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String sessionID = "session_id";
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int blockSize = 10;
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// protocol verifier
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Protocol protocol;
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// mocked XMPP connection
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XMPPConnection connection;
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InBandBytestreamManager byteStreamManager;
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Open initBytestream;
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Verification<Message, IQ> incrementingSequence;
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/**
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* Initialize fields used in the tests.
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* @throws XMPPException
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* @throws SmackException
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*/
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@Before
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public void setup() throws XMPPException, SmackException {
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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, xmppServer);
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// initialize InBandBytestreamManager to get the InitiationListener
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byteStreamManager = InBandBytestreamManager.getByteStreamManager(connection);
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// create a In-Band Bytestream open packet with message stanza
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initBytestream = new Open(sessionID, blockSize, StanzaType.MESSAGE);
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initBytestream.setFrom(initiatorJID);
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initBytestream.setTo(targetJID);
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incrementingSequence = new Verification<Message, IQ>() {
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long lastSeq = 0;
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public void verify(Message request, IQ response) {
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DataPacketExtension dpe = (DataPacketExtension) request.getExtension(
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DataPacketExtension.ELEMENT, DataPacketExtension.NAMESPACE);
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assertEquals(lastSeq++, dpe.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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// verify the data packets
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protocol.addResponse(null, incrementingSequence);
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protocol.addResponse(null, incrementingSequence);
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protocol.addResponse(null, 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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// verify the data packets
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protocol.addResponse(null, incrementingSequence);
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protocol.addResponse(null, incrementingSequence);
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protocol.addResponse(null, 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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// verify the data packets
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protocol.addResponse(null, incrementingSequence);
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protocol.addResponse(null, incrementingSequence);
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protocol.addResponse(null, 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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// verify the data packets
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for (int i = 0; i < controlData.length; i++) {
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protocol.addResponse(null, 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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// verify the data packets
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protocol.addResponse(null, incrementingSequence);
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protocol.addResponse(null, incrementingSequence);
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protocol.addResponse(null, 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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* If a data packet 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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// confirm close request
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IQ resultIQ = IBBPacketUtils.createResultIQ(initiatorJID, targetJID);
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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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PacketListener listener = Whitebox.getInternalState(inputStream, PacketListener.class);
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// build invalid packet with out of order sequence
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String base64Data = StringUtils.encodeBase64("Data");
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DataPacketExtension dpe = new DataPacketExtension(sessionID, 123, base64Data);
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Message dataMessage = new Message();
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dataMessage.addExtension(dpe);
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// add data packets
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listener.processPacket(dataMessage);
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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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// 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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PacketListener listener = Whitebox.getInternalState(inputStream, PacketListener.class);
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// verify data packet and notify listener
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for (int i = 0; i < controlData.length / blockSize; i++) {
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String base64Data = StringUtils.encodeBase64(controlData, i * blockSize, blockSize,
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false);
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DataPacketExtension dpe = new DataPacketExtension(sessionID, i, base64Data);
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Message dataMessage = new Message();
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dataMessage.addExtension(dpe);
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listener.processPacket(dataMessage);
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}
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byte[] bytes = new byte[3 * blockSize];
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int read = 0;
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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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// 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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PacketListener listener = Whitebox.getInternalState(inputStream, PacketListener.class);
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// verify data packet and notify listener
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for (int i = 0; i < controlData.length / blockSize; i++) {
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String base64Data = StringUtils.encodeBase64(controlData, i * blockSize, blockSize,
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false);
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DataPacketExtension dpe = new DataPacketExtension(sessionID, i, base64Data);
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Message dataMessage = new Message();
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dataMessage.addExtension(dpe);
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listener.processPacket(dataMessage);
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}
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// read data
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byte[] bytes = new byte[3 * blockSize];
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for (int i = 0; i < bytes.length; i++) {
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bytes[i] = (byte) inputStream.read();
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}
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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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