/*
* Copyright (c) 2012-2013 TMate Software Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For information on how to redistribute this software under
* the terms of a license other than GNU General Public License
* contact TMate Software at support@hg4j.com
*/
package org.tmatesoft.hg.test;
import static org.junit.Assert.*;
import org.junit.Rule;
import org.junit.Test;
import org.tmatesoft.hg.core.HgCatCommand;
import org.tmatesoft.hg.core.HgChangesetFileSneaker;
import org.tmatesoft.hg.core.Nodeid;
import org.tmatesoft.hg.internal.ByteArrayChannel;
import org.tmatesoft.hg.repo.HgLookup;
import org.tmatesoft.hg.repo.HgRepository;
import org.tmatesoft.hg.util.Path;
/**
*
* @author Artem Tikhomirov
* @author TMate Software Ltd.
*/
public class TestCatCommand {
@Rule
public ErrorCollectorExt errorCollector = new ErrorCollectorExt();
private HgRepository repo;
public TestCatCommand() throws Exception {
repo = new HgLookup().detectFromWorkingDir();
}
@Test
public void testCatAtCsetRevision() throws Exception {
HgCatCommand cmd = new HgCatCommand(repo);
final Path file = Path.create("src/org/tmatesoft/hg/internal/RevlogStream.java");
cmd.file(file);
final Nodeid cset = Nodeid.fromAscii("08db726a0fb7914ac9d27ba26dc8bbf6385a0554");
cmd.changeset(cset);
final ByteArrayChannel sink = new ByteArrayChannel();
cmd.execute(sink);
final int result1 = sink.toArray().length;
HgChangesetFileSneaker i = new HgChangesetFileSneaker(repo);
boolean result = i.changeset(cset).checkExists(file);
assertFalse(result);
assertFalse(i.exists());
result = i.followRenames(true).checkExists(file);
assertTrue(result);
assertTrue(i.exists());
HgCatCommand cmd2 = new HgCatCommand(repo).revision(i.getFileRevision());
final ByteArrayChannel sink2 = new ByteArrayChannel();
cmd2.execute(sink2);
final int result2 = sink2.toArray().length;
assertEquals(result1, result2);
}
// ensure code to follow rename history in the command is correct
@Test
public void testRenamedFileInCset() throws Exception {
repo = Configuration.get().find("log-renames");
HgCatCommand cmd1 = new HgCatCommand(repo);
HgCatCommand cmd2 = new HgCatCommand(repo);
cmd1.file(Path.create("a")); // a is initial b through temporary c
cmd2.file(Path.create("c"));
ByteArrayChannel sink1, sink2;
// a from wc/tip was c in rev 4
cmd1.changeset(4).execute(sink1 = new ByteArrayChannel());
cmd2.changeset(4).execute(sink2 = new ByteArrayChannel());
assertArrayEquals(sink2.toArray(), sink1.toArray());
//
// d from wc/tip was a in 0..2 and b in rev 3..4. Besides, there's another d in r4
cmd2.file(Path.create("d"));
cmd1.changeset(2).execute(sink1 = new ByteArrayChannel());
cmd2.changeset(2).execute(sink2 = new ByteArrayChannel());
assertArrayEquals(sink1.toArray(), sink2.toArray());
//
cmd1.file(Path.create("b"));
cmd1.changeset(3).execute(sink1 = new ByteArrayChannel());
cmd2.changeset(3).execute(sink2 = new ByteArrayChannel());
assertArrayEquals(sink1.toArray(), sink2.toArray());
//
cmd2.changeset(4).execute(sink2 = new ByteArrayChannel()); // ensure d in r4 is not from a or b
assertArrayEquals("d:4\n".getBytes(), sink2.toArray());
cmd2.changeset(5).execute(sink2 = new ByteArrayChannel()); // d in r5 is copy of b in r4
cmd1.changeset(4).execute(sink1 = new ByteArrayChannel());
assertArrayEquals(sink1.toArray(), sink2.toArray());
}
}