2009-09-30 02:47:03 +03:00
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/*
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2010-02-09 05:10:50 +02:00
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* Copyright (C) 2009-2010, Google Inc.
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2009-09-30 02:47:03 +03:00
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* and other copyright owners as documented in the project's IP log.
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*
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* This program and the accompanying materials are made available
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* under the terms of the Eclipse Distribution License v1.0 which
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* accompanies this distribution, is reproduced below, and is
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* - Neither the name of the Eclipse Foundation, Inc. nor the
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* names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.eclipse.jgit.transport;
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2012-09-22 02:15:39 +03:00
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import static java.lang.Integer.valueOf;
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2010-02-09 05:10:50 +02:00
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import static org.eclipse.jgit.transport.SideBandOutputStream.CH_DATA;
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import static org.eclipse.jgit.transport.SideBandOutputStream.CH_ERROR;
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import static org.eclipse.jgit.transport.SideBandOutputStream.CH_PROGRESS;
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import static org.eclipse.jgit.transport.SideBandOutputStream.HDR_SIZE;
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import static org.eclipse.jgit.transport.SideBandOutputStream.MAX_BUF;
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import static org.eclipse.jgit.transport.SideBandOutputStream.SMALL_BUF;
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2010-12-31 12:44:54 +02:00
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.fail;
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2010-02-09 05:10:50 +02:00
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2009-09-30 02:47:03 +03:00
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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2010-05-19 17:59:28 +03:00
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import java.text.MessageFormat;
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2009-09-30 02:47:03 +03:00
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2012-03-09 11:44:05 +02:00
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import org.eclipse.jgit.internal.JGitText;
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2009-09-30 02:47:03 +03:00
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import org.eclipse.jgit.lib.Constants;
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2010-12-31 12:44:54 +02:00
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import org.junit.Before;
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import org.junit.Test;
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2009-09-30 02:47:03 +03:00
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// Note, test vectors created with:
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//
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// perl -e 'printf "%4.4x%s\n", 4+length($ARGV[0]),$ARGV[0]'
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2010-12-31 12:44:54 +02:00
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public class SideBandOutputStreamTest {
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2009-09-30 02:47:03 +03:00
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private ByteArrayOutputStream rawOut;
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2010-12-31 12:44:54 +02:00
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@Before
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public void setUp() throws Exception {
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2009-09-30 02:47:03 +03:00
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rawOut = new ByteArrayOutputStream();
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2009-09-30 02:47:03 +03:00
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public void testWrite_CH_DATA() throws IOException {
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2012-10-10 09:02:30 +03:00
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@SuppressWarnings("resource" /* java 7 */)
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final SideBandOutputStream out = new SideBandOutputStream(CH_DATA,
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SMALL_BUF, rawOut);
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2009-09-30 02:47:03 +03:00
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out.write(new byte[] { 'a', 'b', 'c' });
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2010-02-09 05:10:50 +02:00
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out.flush();
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2009-09-30 02:47:03 +03:00
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assertBuffer("0008\001abc");
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2009-09-30 02:47:03 +03:00
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public void testWrite_CH_PROGRESS() throws IOException {
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2012-10-10 09:02:30 +03:00
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@SuppressWarnings("resource" /* java 7 */)
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final SideBandOutputStream out = new SideBandOutputStream(CH_PROGRESS,
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SMALL_BUF, rawOut);
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2009-09-30 02:47:03 +03:00
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out.write(new byte[] { 'a', 'b', 'c' });
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2010-02-09 05:10:50 +02:00
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out.flush();
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2009-09-30 02:47:03 +03:00
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assertBuffer("0008\002abc");
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2009-09-30 02:47:03 +03:00
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public void testWrite_CH_ERROR() throws IOException {
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2012-10-10 09:02:30 +03:00
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@SuppressWarnings("resource" /* java 7 */)
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final SideBandOutputStream out = new SideBandOutputStream(CH_ERROR,
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SMALL_BUF, rawOut);
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2009-09-30 02:47:03 +03:00
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out.write(new byte[] { 'a', 'b', 'c' });
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2010-02-09 05:10:50 +02:00
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out.flush();
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2009-09-30 02:47:03 +03:00
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assertBuffer("0008\003abc");
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2009-09-30 02:47:03 +03:00
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public void testWrite_Small() throws IOException {
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2012-10-10 09:02:30 +03:00
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@SuppressWarnings("resource" /* java 7 */)
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final SideBandOutputStream out = new SideBandOutputStream(CH_DATA,
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SMALL_BUF, rawOut);
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2010-02-09 05:10:50 +02:00
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out.write('a');
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out.write('b');
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out.write('c');
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out.flush();
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assertBuffer("0008\001abc");
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2010-02-09 05:10:50 +02:00
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public void testWrite_SmallBlocks1() throws IOException {
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2012-10-10 09:02:30 +03:00
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@SuppressWarnings("resource" /* java 7 */)
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final SideBandOutputStream out = new SideBandOutputStream(CH_DATA, 6,
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rawOut);
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2009-09-30 02:47:03 +03:00
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out.write('a');
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out.write('b');
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out.write('c');
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2010-02-09 05:10:50 +02:00
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out.flush();
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2009-09-30 02:47:03 +03:00
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assertBuffer("0006\001a0006\001b0006\001c");
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2010-02-09 05:10:50 +02:00
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public void testWrite_SmallBlocks2() throws IOException {
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2012-10-10 09:02:30 +03:00
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@SuppressWarnings("resource" /* java 7 */)
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final SideBandOutputStream out = new SideBandOutputStream(CH_DATA, 6,
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rawOut);
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2010-02-09 05:10:50 +02:00
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out.write(new byte[] { 'a', 'b', 'c' });
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out.flush();
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assertBuffer("0006\001a0006\001b0006\001c");
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2010-02-09 05:10:50 +02:00
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public void testWrite_SmallBlocks3() throws IOException {
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2012-10-10 09:02:30 +03:00
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@SuppressWarnings("resource" /* java 7 */)
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final SideBandOutputStream out = new SideBandOutputStream(CH_DATA, 7,
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rawOut);
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2010-02-09 05:10:50 +02:00
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out.write('a');
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out.write(new byte[] { 'b', 'c' });
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out.flush();
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assertBuffer("0007\001ab0006\001c");
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2009-09-30 02:47:03 +03:00
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public void testWrite_Large() throws IOException {
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2010-02-09 05:10:50 +02:00
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final int buflen = MAX_BUF - HDR_SIZE;
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2009-09-30 02:47:03 +03:00
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final byte[] buf = new byte[buflen];
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for (int i = 0; i < buf.length; i++) {
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buf[i] = (byte) i;
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}
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2012-10-10 09:02:30 +03:00
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@SuppressWarnings("resource" /* java 7 */)
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final SideBandOutputStream out = new SideBandOutputStream(CH_DATA,
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MAX_BUF, rawOut);
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2009-09-30 02:47:03 +03:00
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out.write(buf);
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2010-02-09 05:10:50 +02:00
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out.flush();
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2009-09-30 02:47:03 +03:00
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final byte[] act = rawOut.toByteArray();
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2010-02-09 05:10:50 +02:00
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final String explen = Integer.toString(buf.length + HDR_SIZE, 16);
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assertEquals(HDR_SIZE + buf.length, act.length);
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2009-09-30 02:47:03 +03:00
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assertEquals(new String(act, 0, 4, "UTF-8"), explen);
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assertEquals(1, act[4]);
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2010-02-09 05:10:50 +02:00
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for (int i = 0, j = HDR_SIZE; i < buf.length; i++, j++) {
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2009-09-30 02:47:03 +03:00
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assertEquals(buf[i], act[j]);
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}
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}
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2012-10-10 09:02:30 +03:00
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@SuppressWarnings("resource" /* java 7 */)
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2010-12-31 12:44:54 +02:00
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@Test
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2009-09-30 02:47:03 +03:00
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public void testFlush() throws IOException {
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final int[] flushCnt = new int[1];
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final OutputStream mockout = new OutputStream() {
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@Override
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public void write(int arg0) throws IOException {
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fail("should not write");
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}
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@Override
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public void flush() throws IOException {
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flushCnt[0]++;
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}
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};
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2010-02-09 05:10:50 +02:00
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new SideBandOutputStream(CH_DATA, SMALL_BUF, mockout).flush();
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2009-09-30 02:47:03 +03:00
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assertEquals(1, flushCnt[0]);
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2010-02-09 05:10:50 +02:00
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}
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2016-01-20 04:38:35 +02:00
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private void createSideBandOutputStream(int chan, int sz, OutputStream os)
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throws Exception {
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try (SideBandOutputStream s = new SideBandOutputStream(chan, sz, os)) {
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// Unused
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}
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2016-01-20 04:38:35 +02:00
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public void testConstructor_RejectsBadChannel() throws Exception {
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2010-02-09 05:10:50 +02:00
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try {
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2016-01-20 04:38:35 +02:00
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createSideBandOutputStream(-1, MAX_BUF, rawOut);
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2010-02-09 05:10:50 +02:00
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fail("Accepted -1 channel number");
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} catch (IllegalArgumentException e) {
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2014-11-11 04:18:34 +02:00
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assertEquals("channel -1 must be in range [1, 255]", e.getMessage());
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2010-02-09 05:10:50 +02:00
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}
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2009-09-30 02:47:03 +03:00
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2010-02-09 05:10:50 +02:00
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try {
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2016-01-20 04:38:35 +02:00
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createSideBandOutputStream(0, MAX_BUF, rawOut);
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2010-02-09 05:10:50 +02:00
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fail("Accepted 0 channel number");
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} catch (IllegalArgumentException e) {
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2014-11-11 04:18:34 +02:00
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assertEquals("channel 0 must be in range [1, 255]", e.getMessage());
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2010-02-09 05:10:50 +02:00
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}
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try {
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2016-01-20 04:38:35 +02:00
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createSideBandOutputStream(256, MAX_BUF, rawOut);
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2010-02-09 05:10:50 +02:00
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fail("Accepted 256 channel number");
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} catch (IllegalArgumentException e) {
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2014-11-11 04:18:34 +02:00
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assertEquals("channel 256 must be in range [1, 255]", e
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2010-02-09 05:10:50 +02:00
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.getMessage());
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}
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}
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2010-12-31 12:44:54 +02:00
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@Test
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2016-01-20 04:38:35 +02:00
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public void testConstructor_RejectsBadBufferSize() throws Exception {
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2010-02-09 05:10:50 +02:00
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try {
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2016-01-20 04:38:35 +02:00
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createSideBandOutputStream(CH_DATA, -1, rawOut);
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2010-02-09 05:10:50 +02:00
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fail("Accepted -1 for buffer size");
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} catch (IllegalArgumentException e) {
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assertEquals("packet size -1 must be >= 5", e.getMessage());
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}
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try {
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2016-01-20 04:38:35 +02:00
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createSideBandOutputStream(CH_DATA, 0, rawOut);
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2010-02-09 05:10:50 +02:00
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fail("Accepted 0 for buffer size");
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} catch (IllegalArgumentException e) {
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assertEquals("packet size 0 must be >= 5", e.getMessage());
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}
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try {
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2016-01-20 04:38:35 +02:00
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createSideBandOutputStream(CH_DATA, 1, rawOut);
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2010-02-09 05:10:50 +02:00
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fail("Accepted 1 for buffer size");
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} catch (IllegalArgumentException e) {
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assertEquals("packet size 1 must be >= 5", e.getMessage());
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}
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try {
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2016-01-20 04:38:35 +02:00
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createSideBandOutputStream(CH_DATA, Integer.MAX_VALUE, rawOut);
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2010-02-09 05:10:50 +02:00
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fail("Accepted " + Integer.MAX_VALUE + " for buffer size");
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} catch (IllegalArgumentException e) {
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2012-09-22 02:15:39 +03:00
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assertEquals(MessageFormat.format(
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JGitText.get().packetSizeMustBeAtMost,
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valueOf(Integer.MAX_VALUE), valueOf(65520)), e.getMessage());
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2010-02-09 05:10:50 +02:00
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}
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2009-09-30 02:47:03 +03:00
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}
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private void assertBuffer(final String exp) throws IOException {
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assertEquals(exp, new String(rawOut.toByteArray(),
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Constants.CHARACTER_ENCODING));
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}
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}
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