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/*
* Copyright (C) 2022 Thomas Wolf <thomas.wolf@paranor.ch> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.transport;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.nio.charset.StandardCharsets;
import org.junit.Before;
import org.junit.Test;
public class SideBandInputStreamTest {
private StringWriter messages;
private SideBandInputStream sideband;
@Before
public void setup() {
messages = new StringWriter();
}
@Test
public void progressSingleCR() throws IOException {
init(packet("message\r"));
assertTrue(sideband.read() < 0);
assertEquals("message\r", messages.toString());
}
@Test
public void progressSingleLF() throws IOException {
init(packet("message\n"));
assertTrue(sideband.read() < 0);
assertEquals("message\n", messages.toString());
}
@Test
public void progressSingleCRLF() throws IOException {
init(packet("message\r\n"));
assertTrue(sideband.read() < 0);
assertEquals("message\r\n", messages.toString());
}
@Test
public void progressMultiCR() throws IOException {
init(packet("message 0%\rmessage 100%\r"));
assertTrue(sideband.read() < 0);
assertEquals("message 0%\rmessage 100%\r", messages.toString());
}
@Test
public void progressMultiLF() throws IOException {
init(packet("message 0%\nmessage 100%\n"));
assertTrue(sideband.read() < 0);
assertEquals("message 0%\nmessage 100%\n", messages.toString());
}
@Test
public void progressMultiCRLF() throws IOException {
init(packet("message 0%\r\nmessage 100%\r\n"));
assertTrue(sideband.read() < 0);
assertEquals("message 0%\r\nmessage 100%\r\n", messages.toString());
}
@Test
public void progressPartial() throws IOException {
init(packet("message"));
assertTrue(sideband.read() < 0);
assertEquals("", messages.toString());
sideband.drainMessages();
assertEquals("message\n", messages.toString());
}
@Test
public void progressPartialTwoCR() throws IOException {
init(packet("message") + packet("message\r"));
assertTrue(sideband.read() < 0);
assertEquals("messagemessage\r", messages.toString());
}
@Test
public void progressPartialTwoLF() throws IOException {
init(packet("message") + packet("message\n"));
assertTrue(sideband.read() < 0);
assertEquals("messagemessage\n", messages.toString());
}
@Test
public void progressPartialTwoCRLF() throws IOException {
init(packet("message") + packet("message\r\n"));
assertTrue(sideband.read() < 0);
assertEquals("messagemessage\r\n", messages.toString());
}
@Test
public void progressPartialThreeCR() throws IOException {
init(packet("message") + packet("message") + packet("message\r"));
assertTrue(sideband.read() < 0);
assertEquals("messagemessagemessage\r", messages.toString());
}
@Test
public void progressPartialThreeLF() throws IOException {
init(packet("message") + packet("message") + packet("message\n"));
assertTrue(sideband.read() < 0);
assertEquals("messagemessagemessage\n", messages.toString());
}
@Test
public void progressPartialThreeCRLF() throws IOException {
init(packet("message") + packet("message") + packet("message\r\n"));
assertTrue(sideband.read() < 0);
assertEquals("messagemessagemessage\r\n", messages.toString());
}
@Test
public void progressPartialCR() throws IOException {
init(packet("message 0%\rmessage 100%"));
assertTrue(sideband.read() < 0);
assertEquals("message 0%\r", messages.toString());
sideband.drainMessages();
assertEquals("message 0%\rmessage 100%\n", messages.toString());
}
@Test
public void progressPartialLF() throws IOException {
init(packet("message 0%\nmessage 100%"));
assertTrue(sideband.read() < 0);
assertEquals("message 0%\n", messages.toString());
sideband.drainMessages();
assertEquals("message 0%\nmessage 100%\n", messages.toString());
}
@Test
public void progressPartialCRLF() throws IOException {
init(packet("message 0%\r\nmessage 100%"));
assertTrue(sideband.read() < 0);
assertEquals("message 0%\r\n", messages.toString());
sideband.drainMessages();
assertEquals("message 0%\r\nmessage 100%\n", messages.toString());
}
@Test
public void progressPartialSplitCR() throws IOException {
init(packet("message") + "0006\001a" + packet(" 0%\rmessa")
+ packet("ge 100%"));
assertEquals('a', sideband.read());
assertEquals("", messages.toString());
assertTrue(sideband.read() < 0);
assertEquals("message 0%\r", messages.toString());
sideband.drainMessages();
assertEquals("message 0%\rmessage 100%\n", messages.toString());
}
@Test
public void progressPartialSplitLF() throws IOException {
init(packet("message") + "0006\001a" + packet(" 0%\nmessa")
+ packet("ge 100%"));
assertEquals('a', sideband.read());
assertEquals("", messages.toString());
assertTrue(sideband.read() < 0);
assertEquals("message 0%\n", messages.toString());
sideband.drainMessages();
assertEquals("message 0%\nmessage 100%\n", messages.toString());
}
@Test
public void progressPartialSplitCRLF() throws IOException {
init(packet("message") + "0006\001a" + packet(" 0%\r\nmessa")
+ packet("ge 100%"));
assertEquals('a', sideband.read());
assertEquals("", messages.toString());
assertTrue(sideband.read() < 0);
assertEquals("message 0%\r\n", messages.toString());
sideband.drainMessages();
assertEquals("message 0%\r\nmessage 100%\n", messages.toString());
}
@Test
public void progressInterleaved() throws IOException {
init(packet("message 0%\r") + "0006\001a" + packet("message 10%")
+ "0006\001b" + packet("\rmessage 100%\n"));
assertEquals('a', sideband.read());
assertEquals("message 0%\r", messages.toString());
assertEquals('b', sideband.read());
assertEquals("message 0%\r", messages.toString());
assertTrue(sideband.read() < 0);
assertEquals("message 0%\rmessage 10%\rmessage 100%\n",
messages.toString());
}
@Test
public void progressInterleavedPartial() throws IOException {
init(packet("message 0%\r") + "0006\001a" + packet("message 10%")
+ "0006\001b" + packet("\rmessage 100%"));
assertEquals('a', sideband.read());
assertEquals("message 0%\r", messages.toString());
assertEquals('b', sideband.read());
assertEquals("message 0%\r", messages.toString());
assertTrue(sideband.read() < 0);
assertEquals("message 0%\rmessage 10%\r", messages.toString());
sideband.drainMessages();
assertEquals("message 0%\rmessage 10%\rmessage 100%\n",
messages.toString());
}
private String packet(String data) {
return String.format("%04x\002%s", Integer.valueOf(data.length() + 5),
data);
}
private void init(String packets) {
InputStream rawIn = new ByteArrayInputStream(
(packets + "0000").getBytes(StandardCharsets.UTF_8));
sideband = new SideBandInputStream(rawIn, null, messages, null);
}
}
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