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view agent/ipc/windows-named-pipes/common/src/test/java/com/redhat/thermostat/agent/ipc/winpipes/common/internal/SyncMessageWriterTest.java @ 2589:a6ba41a449c8
[PATCH] Windows Named Pipes - preliminary implementation
A preliminary implementation of windows named pipes.
Does not set windoes named pipes as default IPC; remains TCP
reviewed-by: aazores, ebaron
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-February/022126.html
author | Simon Tooke <stooke@redhat.com> |
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date | Fri, 10 Feb 2017 15:52:51 -0500 |
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/* * Copyright 2012-2017 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat 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 2, or (at your * option) any later version. * * Thermostat 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 Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.agent.ipc.winpipes.common.internal; import static com.redhat.thermostat.agent.ipc.winpipes.common.internal.ChannelTestUtils.createByteArrays; import static com.redhat.thermostat.agent.ipc.winpipes.common.internal.ChannelTestUtils.createHeader; import static com.redhat.thermostat.agent.ipc.winpipes.common.internal.ChannelTestUtils.joinByteArrays; import static org.junit.Assert.assertArrayEquals; import static org.mockito.Matchers.any; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.times; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.when; import java.io.IOException; import java.nio.ByteBuffer; import java.nio.charset.Charset; import java.util.Arrays; import org.junit.Before; import org.junit.Test; import com.redhat.thermostat.agent.ipc.winpipes.common.internal.ChannelTestUtils.WriteAnswer; public class SyncMessageWriterTest { private static final int MAX_MESSAGE_PART_SIZE = 5; private WinPipesChannelImpl channel; private SyncMessageWriter writer; private MessageLimits limits; @Before public void setUp() throws Exception { channel = mock(WinPipesChannelImpl.class); limits = mock(MessageLimits.class); when(limits.getMaxMessagePartSize()).thenReturn(MAX_MESSAGE_PART_SIZE); when(limits.getMaxMessageSize()).thenReturn(Integer.MAX_VALUE); writer = new SyncMessageWriter(channel, limits); } @Test public void testWriteDataSingle() throws Exception { final byte[] messageBytes = "hello".getBytes(Charset.forName("UTF-8")); final byte[] headerBytes = createHeader(messageBytes.length, false); final byte[][] results = createByteArrays(headerBytes.length, messageBytes.length); WriteAnswer answer = new WriteAnswer(results); when(channel.write(any(ByteBuffer.class))).thenAnswer(answer); ByteBuffer buf = ByteBuffer.wrap(messageBytes); writer.writeData(buf); assertArrayEquals(headerBytes, results[0]); assertArrayEquals(messageBytes, results[1]); verify(channel, times(2)).write(any(ByteBuffer.class)); } @Test public void testWriteDataSplitHeader() throws Exception { final byte[] messageBytes = "hello".getBytes(Charset.forName("UTF-8")); final byte[] headerBytes = createHeader(messageBytes.length, false); final byte[][] results = createByteArrays(headerBytes.length - 2, 2, messageBytes.length); WriteAnswer answer = new WriteAnswer(results); when(channel.write(any(ByteBuffer.class))).thenAnswer(answer); ByteBuffer buf = ByteBuffer.wrap(messageBytes); writer.writeData(buf); final byte[] joinedHeader = joinByteArrays(results[0], results[1]); assertArrayEquals(headerBytes, joinedHeader); assertArrayEquals(messageBytes, results[2]); verify(channel, times(3)).write(any(ByteBuffer.class)); } @Test public void testWriteDataSplitMessage() throws Exception { final byte[] messageBytes = "hello".getBytes(Charset.forName("UTF-8")); final byte[] headerBytes = createHeader(messageBytes.length, false); final byte[][] results = createByteArrays(headerBytes.length, messageBytes.length - 2, 2); WriteAnswer answer = new WriteAnswer(results); when(channel.write(any(ByteBuffer.class))).thenAnswer(answer); ByteBuffer buf = ByteBuffer.wrap(messageBytes); writer.writeData(buf); assertArrayEquals(headerBytes, results[0]); final byte[] joinedMessage = joinByteArrays(results[1], results[2]); assertArrayEquals(messageBytes, joinedMessage); verify(channel, times(3)).write(any(ByteBuffer.class)); } @Test public void testWriteDataMulti() throws Exception { final String message = "hello world"; final byte[] fullMessageBytes = message.getBytes(Charset.forName("UTF-8")); final byte[] message1Bytes = Arrays.copyOfRange(fullMessageBytes, 0, 5); final byte[] message2Bytes = Arrays.copyOfRange(fullMessageBytes, 5, 10); final byte[] message3Bytes = Arrays.copyOfRange(fullMessageBytes, 10, fullMessageBytes.length); final byte[] header1Bytes = createHeader(message1Bytes.length, true); final byte[] header2Bytes = createHeader(message2Bytes.length, true); final byte[] header3Bytes = createHeader(message3Bytes.length, false); final byte[][] results = createByteArrays(header1Bytes.length, message1Bytes.length, header2Bytes.length, message2Bytes.length, header3Bytes.length, message3Bytes.length); WriteAnswer answer = new WriteAnswer(results); when(channel.write(any(ByteBuffer.class))).thenAnswer(answer); ByteBuffer buf = ByteBuffer.wrap(fullMessageBytes); writer.writeData(buf); assertArrayEquals(header1Bytes, results[0]); assertArrayEquals(message1Bytes, results[1]); assertArrayEquals(header2Bytes, results[2]); assertArrayEquals(message2Bytes, results[3]); assertArrayEquals(header3Bytes, results[4]); assertArrayEquals(message3Bytes, results[5]); verify(channel, times(6)).write(any(ByteBuffer.class)); } @Test(expected=IOException.class) public void testWriteMessageTooLarge() throws Exception { when(limits.getMaxMessageSize()).thenReturn(0); final byte[] messageBytes = "hello".getBytes(Charset.forName("UTF-8")); ByteBuffer buf = ByteBuffer.wrap(messageBytes); writer.writeData(buf); } }