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- /*
- * 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 java.lang.Long.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]);
- }
-
- @Test
- public void testConstructor_RejectsBadChannel() {
- try {
- new SideBandOutputStream(-1, MAX_BUF, rawOut);
- fail("Accepted -1 channel number");
- } catch (IllegalArgumentException e) {
- assertEquals("channel -1 must be in range [0, 255]", e.getMessage());
- }
-
- try {
- new SideBandOutputStream(0, MAX_BUF, rawOut);
- fail("Accepted 0 channel number");
- } catch (IllegalArgumentException e) {
- assertEquals("channel 0 must be in range [0, 255]", e.getMessage());
- }
-
- try {
- new SideBandOutputStream(256, MAX_BUF, rawOut);
- fail("Accepted 256 channel number");
- } catch (IllegalArgumentException e) {
- assertEquals("channel 256 must be in range [0, 255]", e
- .getMessage());
- }
- }
-
- @Test
- public void testConstructor_RejectsBadBufferSize() {
- try {
- new SideBandOutputStream(CH_DATA, -1, rawOut);
- fail("Accepted -1 for buffer size");
- } catch (IllegalArgumentException e) {
- assertEquals("packet size -1 must be >= 5", e.getMessage());
- }
-
- try {
- new SideBandOutputStream(CH_DATA, 0, rawOut);
- fail("Accepted 0 for buffer size");
- } catch (IllegalArgumentException e) {
- assertEquals("packet size 0 must be >= 5", e.getMessage());
- }
-
- try {
- new SideBandOutputStream(CH_DATA, 1, rawOut);
- fail("Accepted 1 for buffer size");
- } catch (IllegalArgumentException e) {
- assertEquals("packet size 1 must be >= 5", e.getMessage());
- }
-
- try {
- new SideBandOutputStream(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));
- }
- }
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