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/*
* Copyright (C) 2009, Robin Rosenberg
* Copyright (C) 2009, Robin Rosenberg <robin.rosenberg@dewire.com> 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.internal.storage.file;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.List;
import org.eclipse.jgit.lib.CheckoutEntry;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.RefDatabase;
import org.eclipse.jgit.lib.ReflogEntry;
import org.eclipse.jgit.lib.ReflogReader;
import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
import org.junit.Test;
public class ReflogReaderTest extends SampleDataRepositoryTestCase {
static byte[] oneLine = "da85355dfc525c9f6f3927b876f379f46ccf826e 3e7549db262d1e836d9bf0af7e22355468f1717c A O Thor Too <authortoo@wri.tr> 1243028200 +0200\tcommit: Add a toString for debugging to RemoteRefUpdate\n"
.getBytes(UTF_8);
static byte[] twoLine = ("0000000000000000000000000000000000000000 c6734895958052a9dbc396cff4459dc1a25029ab A U Thor <thor@committer.au> 1243028201 -0100\tbranch: Created from rr/renamebranchv4\n"
+ "c6734895958052a9dbc396cff4459dc1a25029ab 54794942a18a237c57a80719afed44bb78172b10 Same A U Thor <same.author@example.com> 1243028202 +0100\trebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d\n")
.getBytes(UTF_8);
static byte[] twoLineWithAppendInProgress = ("0000000000000000000000000000000000000000 c6734895958052a9dbc396cff4459dc1a25029ab A U Thor <thor@committer.au> 1243028201 -0100\tbranch: Created from rr/renamebranchv4\n"
+ "c6734895958052a9dbc396cff4459dc1a25029ab 54794942a18a237c57a80719afed44bb78172b10 Same A U Thor <same.author@example.com> 1243028202 +0100\trebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d\n"
+ "54794942a18a237c57a80719afed44bb78172b10 ")
.getBytes(UTF_8);
static byte[] aLine = "1111111111111111111111111111111111111111 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to a\n"
.getBytes(UTF_8);
static byte[] masterLine = "2222222222222222222222222222222222222222 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to master\n"
.getBytes(UTF_8);
static byte[] headLine = "3333333333333333333333333333333333333333 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to HEAD\n"
.getBytes(UTF_8);
static byte[] oneLineWithoutComment = "da85355dfc525c9f6f3927b876f379f46ccf826e 3e7549db262d1e836d9bf0af7e22355468f1717c A O Thor Too <authortoo@wri.tr> 1243028200 +0200\n"
.getBytes(UTF_8);
static byte[] switchBranch = "0d43a6890a19fd657faad1c4cfbe3cb1b47851c3 4809df9c0d8bce5b00955563f77c5a9f25aa0d12 A O Thor Too <authortoo@wri.tr> 1315088009 +0200\tcheckout: moving from new/work to master\n"
.getBytes(UTF_8);
@Test
public void testReadOneLine() throws Exception {
setupReflog("logs/refs/heads/master", oneLine);
ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
ReflogEntry e = reader.getLastEntry();
assertEquals(ObjectId
.fromString("da85355dfc525c9f6f3927b876f379f46ccf826e"), e
.getOldId());
assertEquals(ObjectId
.fromString("3e7549db262d1e836d9bf0af7e22355468f1717c"), e
.getNewId());
assertEquals("A O Thor Too", e.getWho().getName());
assertEquals("authortoo@wri.tr", e.getWho().getEmailAddress());
assertEquals(120, e.getWho().getTimeZoneOffset());
assertEquals("2009-05-22T23:36:40", iso(e.getWho()));
assertEquals("commit: Add a toString for debugging to RemoteRefUpdate",
e.getComment());
}
private static String iso(PersonIdent id) {
final SimpleDateFormat fmt;
fmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
fmt.setTimeZone(id.getTimeZone());
return fmt.format(id.getWhen());
}
@Test
public void testReadTwoLine() throws Exception {
setupReflog("logs/refs/heads/master", twoLine);
ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
List<ReflogEntry> reverseEntries = reader.getReverseEntries();
assertEquals(2, reverseEntries.size());
ReflogEntry e = reverseEntries.get(0);
assertEquals(ObjectId
.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
.getOldId());
assertEquals(ObjectId
.fromString("54794942a18a237c57a80719afed44bb78172b10"), e
.getNewId());
assertEquals("Same A U Thor", e.getWho().getName());
assertEquals("same.author@example.com", e.getWho().getEmailAddress());
assertEquals(60, e.getWho().getTimeZoneOffset());
assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
assertEquals(
"rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
e.getComment());
e = reverseEntries.get(1);
assertEquals(ObjectId
.fromString("0000000000000000000000000000000000000000"), e
.getOldId());
assertEquals(ObjectId
.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
.getNewId());
assertEquals("A U Thor", e.getWho().getName());
assertEquals("thor@committer.au", e.getWho().getEmailAddress());
assertEquals(-60, e.getWho().getTimeZoneOffset());
assertEquals("2009-05-22T20:36:41", iso(e.getWho()));
assertEquals("branch: Created from rr/renamebranchv4", e.getComment());
}
@Test
public void testReadWhileAppendIsInProgress() throws Exception {
setupReflog("logs/refs/heads/master", twoLineWithAppendInProgress);
ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
List<ReflogEntry> reverseEntries = reader.getReverseEntries();
assertEquals(2, reverseEntries.size());
ReflogEntry e = reverseEntries.get(0);
assertEquals(ObjectId
.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
.getOldId());
assertEquals(ObjectId
.fromString("54794942a18a237c57a80719afed44bb78172b10"), e
.getNewId());
assertEquals("Same A U Thor", e.getWho().getName());
assertEquals("same.author@example.com", e.getWho().getEmailAddress());
assertEquals(60, e.getWho().getTimeZoneOffset());
assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
assertEquals(
"rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
e.getComment());
// while similar to testReadTwoLine, we can assume that if we get the last entry
// right, everything else is too
}
@Test
public void testReadRightLog() throws Exception {
setupReflog("logs/refs/heads/a", aLine);
setupReflog("logs/refs/heads/master", masterLine);
setupReflog("logs/HEAD", headLine);
RefDatabase refDb = db.getRefDatabase();
assertEquals("branch: change to master",
refDb.getReflogReader("refs/heads/master").getLastEntry()
.getComment());
assertEquals("branch: change to a",
refDb.getReflogReader("refs/heads/a").getLastEntry()
.getComment());
assertEquals("branch: change to HEAD",
refDb.getReflogReader("HEAD").getLastEntry().getComment());
}
@Test
public void testReadLineWithMissingComment() throws Exception {
setupReflog("logs/refs/heads/master", oneLineWithoutComment);
final ReflogReader reader = db.getRefDatabase()
.getReflogReader("refs/heads/master");
ReflogEntry e = reader.getLastEntry();
assertEquals(ObjectId
.fromString("da85355dfc525c9f6f3927b876f379f46ccf826e"), e
.getOldId());
assertEquals(ObjectId
.fromString("3e7549db262d1e836d9bf0af7e22355468f1717c"), e
.getNewId());
assertEquals("A O Thor Too", e.getWho().getName());
assertEquals("authortoo@wri.tr", e.getWho().getEmailAddress());
assertEquals(120, e.getWho().getTimeZoneOffset());
assertEquals("2009-05-22T23:36:40", iso(e.getWho()));
assertEquals("",
e.getComment());
}
@Test
public void testNoLog() throws Exception {
RefDatabase refDb = db.getRefDatabase();
assertEquals(0,
refDb.getReflogReader("refs/heads/master").getReverseEntries()
.size());
assertNull(refDb.getReflogReader("refs/heads/master").getLastEntry());
}
@Test
public void testCheckout() throws Exception {
setupReflog("logs/HEAD", switchBranch);
List<ReflogEntry> entries = db.getRefDatabase()
.getReflogReader(Constants.HEAD).getReverseEntries();
assertEquals(1, entries.size());
ReflogEntry entry = entries.get(0);
CheckoutEntry checkout = entry.parseCheckout();
assertNotNull(checkout);
assertEquals("master", checkout.getToBranch());
assertEquals("new/work", checkout.getFromBranch());
}
@Test
public void testSpecificEntryNumber() throws Exception {
setupReflog("logs/refs/heads/master", twoLine);
ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
ReflogEntry e = reader.getReverseEntry(0);
assertEquals(
ObjectId.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"),
e.getOldId());
assertEquals(
ObjectId.fromString("54794942a18a237c57a80719afed44bb78172b10"),
e.getNewId());
assertEquals("Same A U Thor", e.getWho().getName());
assertEquals("same.author@example.com", e.getWho().getEmailAddress());
assertEquals(60, e.getWho().getTimeZoneOffset());
assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
assertEquals(
"rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
e.getComment());
e = reader.getReverseEntry(1);
assertEquals(
ObjectId.fromString("0000000000000000000000000000000000000000"),
e.getOldId());
assertEquals(
ObjectId.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"),
e.getNewId());
assertEquals("A U Thor", e.getWho().getName());
assertEquals("thor@committer.au", e.getWho().getEmailAddress());
assertEquals(-60, e.getWho().getTimeZoneOffset());
assertEquals("2009-05-22T20:36:41", iso(e.getWho()));
assertEquals("branch: Created from rr/renamebranchv4", e.getComment());
assertNull(reader.getReverseEntry(3));
}
private void setupReflog(String logName, byte[] data)
throws FileNotFoundException, IOException {
File logfile = new File(db.getCommonDirectory(), logName);
if (!logfile.getParentFile().mkdirs()
&& !logfile.getParentFile().isDirectory()) {
throw new IOException(
"oops, cannot create the directory for the test reflog file"
+ logfile);
}
try (FileOutputStream fileOutputStream = new FileOutputStream(logfile)) {
fileOutputStream.write(data);
}
}
}
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