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/*
* Copyright (C) 2016, Google Inc. 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.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectInserter;
import org.eclipse.jgit.transport.RefAdvertiser.PacketLineOutRefAdvertiser;
import org.eclipse.jgit.util.NB;
import org.junit.Test;
public class RefAdvertiserTest {
@Test
public void advertiser() throws IOException {
ByteArrayOutputStream buf = new ByteArrayOutputStream();
PacketLineOut pckOut = new PacketLineOut(buf);
PacketLineOutRefAdvertiser adv = new PacketLineOutRefAdvertiser(pckOut);
// Advertisement of capability and id both happen in order of call,
// which may not match Git standards. Callers are responsible for
// making calls in the correct ordering. Here in this test we do them
// in a "wrong" order to assert the method just writes to the network.
adv.advertiseCapability("test-1");
adv.advertiseCapability("sideband");
adv.advertiseId(id(1), "refs/heads/master");
adv.advertiseId(id(4), "refs/" + padStart("F", 987));
adv.advertiseId(id(2), "refs/heads/next");
adv.advertiseId(id(3), "refs/Iñtërnâtiônàlizætiøn☃💩");
adv.end();
assertFalse(adv.isEmpty());
PacketLineIn pckIn = new PacketLineIn(
new ByteArrayInputStream(buf.toByteArray()));
String s = pckIn.readStringRaw();
assertEquals(id(1).name() + " refs/heads/master\0 test-1 sideband\n",
s);
s = pckIn.readStringRaw();
assertEquals(id(4).name() + " refs/" + padStart("F", 987) + '\n', s);
s = pckIn.readStringRaw();
assertEquals(id(2).name() + " refs/heads/next\n", s);
s = pckIn.readStringRaw();
assertEquals(id(3).name() + " refs/Iñtërnâtiônàlizætiøn☃💩\n", s);
s = pckIn.readStringRaw();
assertTrue(PacketLineIn.isEnd(s));
}
private static ObjectId id(int i) {
try (ObjectInserter.Formatter f = new ObjectInserter.Formatter()) {
byte[] tmp = new byte[4];
NB.encodeInt32(tmp, 0, i);
return f.idFor(Constants.OBJ_BLOB, tmp);
}
}
private static String padStart(String s, int len) {
StringBuilder b = new StringBuilder(len);
for (int i = s.length(); i < len; i++) {
b.append((char) ('a' + (i % 26)));
}
return b.append(s).toString();
}
}
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