/*
* Rsync channel integration tests
*
* Copyright (C) 2016 Per Lundqvist
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.github.perlundq.yajsync.channels;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
import java.util.LinkedList;
import java.util.Queue;
import org.junit.Before;
import org.junit.Test;
import com.github.perlundq.yajsync.internal.channels.ChannelEOFException;
import com.github.perlundq.yajsync.internal.channels.ChannelException;
import com.github.perlundq.yajsync.internal.channels.Message;
import com.github.perlundq.yajsync.internal.channels.MessageCode;
import com.github.perlundq.yajsync.internal.channels.MessageHandler;
import com.github.perlundq.yajsync.internal.channels.RsyncInChannel;
import com.github.perlundq.yajsync.internal.channels.RsyncOutChannel;
import com.github.perlundq.yajsync.internal.util.Environment;
class ReadableByteBufferChannel implements ReadableByteChannel
{
private final ByteBuffer _buf;
private boolean _isOpen = true;
ReadableByteBufferChannel(ByteBuffer buf)
{
_buf = buf;
}
@Override
public boolean isOpen()
{
return _isOpen;
}
@Override
public void close()
{
_isOpen = false;
}
@Override
public int read(ByteBuffer dst)
{
int n = 0;
while (dst.hasRemaining()) {
if (_buf.hasRemaining()) {
byte b = _buf.get();
dst.put(b);
n++;
} else if (n == 0) {
return -1;
} else {
return n;
}
}
return n;
}
}
class WritableByteBufferChannel implements WritableByteChannel
{
private final ByteBuffer _buf;
private boolean _isOpen = true;
WritableByteBufferChannel(ByteBuffer buf)
{
_buf = buf;
}
@Override
public boolean isOpen()
{
return _isOpen;
}
@Override
public void close()
{
_isOpen = false;
}
@Override
public int write(ByteBuffer src)
{
int n = 0;
while (src.hasRemaining()) {
if (_buf.hasRemaining()) {
byte b = src.get();
_buf.put(b);
n++;
} else if (n == 0) {
return -1;
} else {
return n;
}
}
return n;
}
}
public class ChannelTest implements MessageHandler
{
private final Queue<Message> _messages = new LinkedList<>();
@Override
public void handleMessage(Message message)
{
_messages.add(message);
}
@Before
public void initializeTest()
{
_messages.clear();
}
@Test(expected=ChannelEOFException.class)
public void testEOFRead() throws ChannelException
{
ByteBuffer b = ByteBuffer.allocate(0);
ReadableByteChannel r = new ReadableByteBufferChannel(b);
RsyncInChannel _in = new RsyncInChannel(r, this);
_in.getByte();
}
@Test
public void testTransferSingleMinByte() throws ChannelException
{
ByteBuffer wb = ByteBuffer.allocate(8);
WritableByteBufferChannel w = new WritableByteBufferChannel(wb);
RsyncOutChannel _out = new RsyncOutChannel(w);
byte testByte = Byte.MIN_VALUE;
_out.putByte(testByte);
_out.flush();
assertTrue(wb.position() > 0);
wb.flip();
ReadableByteChannel r = new ReadableByteBufferChannel(wb);
RsyncInChannel _in = new RsyncInChannel(r, this);
byte resultByte = _in.getByte();
assertTrue(wb.position() > 0);
assertTrue(resultByte == testByte);
}
@Test
public void testTransferSingleMaxByte() throws ChannelException
{
ByteBuffer wb = ByteBuffer.allocate(8);
WritableByteBufferChannel w = new WritableByteBufferChannel(wb);
RsyncOutChannel _out = new RsyncOutChannel(w);
byte testByte = Byte.MAX_VALUE;
_out.putByte(testByte);
_out.flush();
assertTrue(wb.position() > 0);
wb.flip();
ReadableByteChannel r = new ReadableByteBufferChannel(wb);
RsyncInChannel _in = new RsyncInChannel(r, this);
byte resultByte = _in.getByte();
assertTrue(wb.position() > 0);
assertTrue(resultByte == testByte);
}
@Test
public void testTransferSingleMinInt() throws ChannelException
{
ByteBuffer wb = ByteBuffer.allocate(8);
WritableByteBufferChannel w = new WritableByteBufferChannel(wb);
RsyncOutChannel _out = new RsyncOutChannel(w);
int testInt = Integer.MIN_VALUE;
_out.putInt(testInt);
_out.flush();
assertTrue(wb.position() > 0);
wb.flip();
ReadableByteChannel r = new ReadableByteBufferChannel(wb);
RsyncInChannel _in = new RsyncInChannel(r, this);
int resultInt = _in.getInt();
assertTrue(wb.position() > 0);
assertTrue(resultInt == testInt);
}
@Test
public void testTransferSingleMaxInt() throws ChannelException
{
ByteBuffer wb = ByteBuffer.allocate(8);
WritableByteBufferChannel w = new WritableByteBufferChannel(wb);
RsyncOutChannel _out = new RsyncOutChannel(w);
int testInt = Integer.MAX_VALUE;
_out.putInt(testInt);
_out.flush();
assertTrue(wb.position() > 0);
wb.flip();
ReadableByteChannel r = new ReadableByteBufferChannel(wb);
RsyncInChannel _in = new RsyncInChannel(r, this);
int resultInt = _in.getInt();
assertTrue(wb.position() > 0);
assertTrue(resultInt == testInt);
}
@Test
public void testTransferString() throws ChannelException
{
Environment.setAllocateDirect(false);
ByteBuffer wb = ByteBuffer.allocate(32);
WritableByteBufferChannel w = new WritableByteBufferChannel(wb);
RsyncOutChannel _out = new RsyncOutChannel(w);
String testString = "abcdefghijklm รถ\\";
_out.put(ByteBuffer.wrap(testString.getBytes()));
_out.flush();
assertTrue(wb.position() > 0);
wb.flip();
ReadableByteChannel r = new ReadableByteBufferChannel(wb);
RsyncInChannel _in = new RsyncInChannel(r, this);
ByteBuffer res = _in.get(testString.getBytes().length);
assertTrue(wb.position() > 0);
assertTrue(res.position() == 0);
String resultString = new String(res.array(), 0, res.remaining());
assertEquals(testString, resultString);
}
private static Message toMessage(MessageCode code, String text)
{
ByteBuffer payload = ByteBuffer.wrap(text.getBytes());
Message msg = new Message(code, payload);
return msg;
}
@Test
public void testSingleMessageNoData() throws ChannelException
{
ByteBuffer wb = ByteBuffer.allocate(128);
WritableByteBufferChannel w = new WritableByteBufferChannel(wb);
RsyncOutChannel _out = new RsyncOutChannel(w);
Message testMessage = toMessage(MessageCode.INFO, "test message");
testMessage.payload().mark();
_out.putMessage(testMessage);
testMessage.payload().reset();
_out.flush();
wb.flip();
ReadableByteChannel r = new ReadableByteBufferChannel(wb);
RsyncInChannel _in = new RsyncInChannel(r, this);
try {
_in.getByte();
fail();
} catch (ChannelEOFException e) {
// expected
}
Message resultMessage = _messages.poll();
assertEquals(testMessage, resultMessage);
assertTrue(_messages.isEmpty());
}
@Test
public void testSingleMessageAndSingleData() throws ChannelException
{
ByteBuffer wb = ByteBuffer.allocate(128);
WritableByteBufferChannel w = new WritableByteBufferChannel(wb);
RsyncOutChannel _out = new RsyncOutChannel(w);
Message testMessage = toMessage(MessageCode.INFO, "test message");
testMessage.payload().mark();
int testInt = 4;
_out.putInt(testInt);
_out.putMessage(testMessage);
testMessage.payload().reset();
_out.flush();
wb.flip();
ReadableByteChannel r = new ReadableByteBufferChannel(wb);
RsyncInChannel _in = new RsyncInChannel(r, this);
int resultInt = _in.getInt();
assertTrue(resultInt == testInt);
try {
_in.getByte();
fail();
} catch (ChannelEOFException e) {
// expected
}
Message resultMessage = _messages.poll();
assertEquals(testMessage, resultMessage);
assertTrue(_messages.isEmpty());
}
@Test
public void testManyMessagesNoData() throws ChannelException
{
ByteBuffer wb = ByteBuffer.allocate(1024);
WritableByteBufferChannel w = new WritableByteBufferChannel(wb);
RsyncOutChannel _out = new RsyncOutChannel(w);
Message[] msgs = { toMessage(MessageCode.INFO, "INFO message"),
toMessage(MessageCode.WARNING, "WARNING message"),
toMessage(MessageCode.ERROR, "ERROR message"),
toMessage(MessageCode.ERROR_XFER, "XFER message"),
new Message(
MessageCode.NO_SEND,
ByteBuffer.allocate(4).
order(ByteOrder.LITTLE_ENDIAN).
putInt(0, 127)),
new Message(
MessageCode.IO_ERROR,
ByteBuffer.allocate(4)
.order(ByteOrder.LITTLE_ENDIAN).
putInt(0, 31)),
};
for (Message msg : msgs) {
msg.payload().mark();
_out.putMessage(msg);
msg.payload().reset();
}
_out.flush();
wb.flip();
ReadableByteChannel r = new ReadableByteBufferChannel(wb);
RsyncInChannel _in = new RsyncInChannel(r, this);
try {
_in.getByte();
fail();
} catch (ChannelEOFException e) {
// expected
}
for (Message msg : msgs) {
Message resultMessage = _messages.poll();
assertEquals(msg, resultMessage);
}
assertTrue(_messages.isEmpty());
}
@Test
public void testManyMessagesManyData() throws ChannelException
{
ByteBuffer wb = ByteBuffer.allocate(1024);
WritableByteBufferChannel w = new WritableByteBufferChannel(wb);
RsyncOutChannel _out = new RsyncOutChannel(w);
Message[] msgs = { toMessage(MessageCode.INFO, "INFO message"),
toMessage(MessageCode.WARNING, "WARNING message"),
toMessage(MessageCode.ERROR, "ERROR message"),
toMessage(MessageCode.ERROR_XFER, "XFER message"),
new Message(
MessageCode.NO_SEND,
ByteBuffer.allocate(4).
order(ByteOrder.LITTLE_ENDIAN).
putInt(0, 127)),
new Message(
MessageCode.IO_ERROR,
ByteBuffer.allocate(4)
.order(ByteOrder.LITTLE_ENDIAN).
putInt(0, 31)),
};
byte b = 0;
for (Message msg : msgs) {
msg.payload().mark();
_out.putMessage(msg);
_out.putByte(b++);
msg.payload().reset();
}
_out.flush();
wb.flip();
ReadableByteChannel r = new ReadableByteBufferChannel(wb);
RsyncInChannel _in = new RsyncInChannel(r, this);
b = 0;
for (Message msg : msgs) {
byte result_b = _in.getByte();
assertTrue(result_b == b++);
Message resultMessage = _messages.poll();
assertEquals(msg, resultMessage);
}
assertTrue(_messages.isEmpty());
}
}
