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