/*
* Copyright (C) 2010, Christian Halstrick <christian.halstrick@sap.com>
* 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
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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package org.eclipse.jgit.api;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.api.errors.JGitInternalException;
import org.eclipse.jgit.api.errors.NoMessageException;
import org.eclipse.jgit.errors.IncorrectObjectTypeException;
import org.eclipse.jgit.errors.MissingObjectException;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.lib.ReflogReader;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.eclipse.jgit.util.FS;
import org.eclipse.jgit.util.FileUtils;
import org.eclipse.jgit.util.RawParseUtils;
import org.junit.Test;
/**
* Testing the git commit and log commands
*/
public class CommitAndLogCommandTest extends RepositoryTestCase {
@Test
public void testSomeCommits() throws JGitInternalException, IOException,
GitAPIException {
// do 4 commits
Git git = new Git(db);
git.commit().setMessage("initial commit").call();
git.commit().setMessage("second commit").setCommitter(committer).call();
git.commit().setMessage("third commit").setAuthor(author).call();
git.commit().setMessage("fourth commit").setAuthor(author)
.setCommitter(committer).call();
Iterable<RevCommit> commits = git.log().call();
// check that all commits came in correctly
PersonIdent defaultCommitter = new PersonIdent(db);
PersonIdent expectedAuthors[] = new PersonIdent[] { defaultCommitter,
committer, author, author };
PersonIdent expectedCommitters[] = new PersonIdent[] {
defaultCommitter, committer, defaultCommitter, committer };
String expectedMessages[] = new String[] { "initial commit",
"second commit", "third commit", "fourth commit" };
int l = expectedAuthors.length - 1;
for (RevCommit c : commits) {
assertEquals(expectedAuthors[l].getName(), c.getAuthorIdent()
.getName());
assertEquals(expectedCommitters[l].getName(), c.getCommitterIdent()
.getName());
assertEquals(c.getFullMessage(), expectedMessages[l]);
l--;
}
assertEquals(l, -1);
ReflogReader reader = db.getReflogReader(Constants.HEAD);
assertTrue(reader.getLastEntry().getComment().startsWith("commit:"));
reader = db.getReflogReader(db.getBranch());
assertTrue(reader.getLastEntry().getComment().startsWith("commit:"));
}
@Test
public void testLogWithFilter() throws IOException, JGitInternalException,
GitAPIException {
Git git = new Git(db);
// create first file
File file = new File(db.getWorkTree(), "a.txt");
FileUtils.createNewFile(file);
PrintWriter writer = new PrintWriter(file);
writer.print("content1");
writer.close();
// First commit - a.txt file
git.add().addFilepattern("a.txt").call();
git.commit().setMessage("commit1").setCommitter(committer).call();
// create second file
file = new File(db.getWorkTree(), "b.txt");
FileUtils.createNewFile(file);
writer = new PrintWriter(file);
writer.print("content2");
writer.close();
// Second commit - b.txt file
git.add().addFilepattern("b.txt").call();
git.commit().setMessage("commit2").setCommitter(committer).call();
// First log - a.txt filter
int count = 0;
for (RevCommit c : git.log().addPath("a.txt").call()) {
assertEquals("commit1", c.getFullMessage());
count++;
}
assertEquals(1, count);
// Second log - b.txt filter
count = 0;
for (RevCommit c : git.log().addPath("b.txt").call()) {
assertEquals("commit2", c.getFullMessage());
count++;
}
assertEquals(1, count);
// Third log - without filter
count = 0;
for (RevCommit c : git.log().call()) {
assertEquals(committer, c.getCommitterIdent());
count++;
}
assertEquals(2, count);
}
// try to do a commit without specifying a message. Should fail!
@Test
public void testWrongParams() throws GitAPIException {
Git git = new Git(db);
try {
git.commit().setAuthor(author).call();
fail("Didn't get the expected exception");
} catch (NoMessageException e) {
// expected
}
}
// try to work with Commands after command has been invoked. Should throw
// exceptions
@Test
public void testMultipleInvocations() throws GitAPIException {
Git git = new Git(db);
CommitCommand commitCmd = git.commit();
commitCmd.setMessage("initial commit").call();
try {
// check that setters can't be called after invocation
commitCmd.setAuthor(author);
fail("didn't catch the expected exception");
} catch (IllegalStateException e) {
// expected
}
LogCommand logCmd = git.log();
logCmd.call();
try {
// check that call can't be called twice
logCmd.call();
fail("didn't catch the expected exception");
} catch (IllegalStateException e) {
// expected
}
}
@Test
public void testMergeEmptyBranches() throws IOException,
JGitInternalException, GitAPIException {
Git git = new Git(db);
git.commit().setMessage("initial commit").call();
RefUpdate r = db.updateRef("refs/heads/side");
r.setNewObjectId(db.resolve(Constants.HEAD));
assertEquals(r.forceUpdate(), RefUpdate.Result.NEW);
RevCommit second = git.commit().setMessage("second commit").setCommitter(committer).call();
db.updateRef(Constants.HEAD).link("refs/heads/side");
RevCommit firstSide = git.commit().setMessage("first side commit").setAuthor(author).call();
write(new File(db.getDirectory(), Constants.MERGE_HEAD), ObjectId
.toString(db.resolve("refs/heads/master")));
write(new File(db.getDirectory(), Constants.MERGE_MSG), "merging");
RevCommit commit = git.commit().call();
RevCommit[] parents = commit.getParents();
assertEquals(parents[0], firstSide);
assertEquals(parents[1], second);
assertEquals(2, parents.length);
}
@Test
public void testAddUnstagedChanges() throws IOException,
JGitInternalException, GitAPIException {
File file = new File(db.getWorkTree(), "a.txt");
FileUtils.createNewFile(file);
PrintWriter writer = new PrintWriter(file);
writer.print("content");
writer.close();
Git git = new Git(db);
git.add().addFilepattern("a.txt").call();
RevCommit commit = git.commit().setMessage("initial commit").call();
TreeWalk tw = TreeWalk.forPath(db, "a.txt", commit.getTree());
assertEquals("6b584e8ece562ebffc15d38808cd6b98fc3d97ea",
tw.getObjectId(0).getName());
writer = new PrintWriter(file);
writer.print("content2");
writer.close();
commit = git.commit().setMessage("second commit").call();
tw = TreeWalk.forPath(db, "a.txt", commit.getTree());
assertEquals("6b584e8ece562ebffc15d38808cd6b98fc3d97ea",
tw.getObjectId(0).getName());
commit = git.commit().setAll(true).setMessage("third commit")
.setAll(true).call();
tw = TreeWalk.forPath(db, "a.txt", commit.getTree());
assertEquals("db00fd65b218578127ea51f3dffac701f12f486a",
tw.getObjectId(0).getName());
}
@Test
public void testModeChange() throws IOException, GitAPIException {
if (System.getProperty("os.name").startsWith("Windows"))
return; // SKIP
Git git = new Git(db);
// create file
File file = new File(db.getWorkTree(), "a.txt");
FileUtils.createNewFile(file);
PrintWriter writer = new PrintWriter(file);
writer.print("content1");
writer.close();
// First commit - a.txt file
git.add().addFilepattern("a.txt").call();
git.commit().setMessage("commit1").setCommitter(committer).call();
// pure mode change should be committable
FS fs = db.getFS();
fs.setExecute(file, true);
git.add().addFilepattern("a.txt").call();
git.commit().setMessage("mode change").setCommitter(committer).call();
// pure mode change should be committable with -o option
fs.setExecute(file, false);
git.add().addFilepattern("a.txt").call();
git.commit().setMessage("mode change").setCommitter(committer)
.setOnly("a.txt").call();
}
@Test
public void testCommitRange() throws GitAPIException,
JGitInternalException, MissingObjectException,
IncorrectObjectTypeException {
// do 4 commits and set the range to the second and fourth one
Git git = new Git(db);
git.commit().setMessage("first commit").call();
RevCommit second = git.commit().setMessage("second commit")
.setCommitter(committer).call();
git.commit().setMessage("third commit").setAuthor(author).call();
RevCommit last = git.commit().setMessage("fourth commit").setAuthor(
author)
.setCommitter(committer).call();
Iterable<RevCommit> commits = git.log().addRange(second.getId(),
last.getId()).call();
// check that we have the third and fourth commit
PersonIdent defaultCommitter = new PersonIdent(db);
PersonIdent expectedAuthors[] = new PersonIdent[] { author, author };
PersonIdent expectedCommitters[] = new PersonIdent[] {
defaultCommitter, committer };
String expectedMessages[] = new String[] { "third commit",
"fourth commit" };
int l = expectedAuthors.length - 1;
for (RevCommit c : commits) {
assertEquals(expectedAuthors[l].getName(), c.getAuthorIdent()
.getName());
assertEquals(expectedCommitters[l].getName(), c.getCommitterIdent()
.getName());
assertEquals(c.getFullMessage(), expectedMessages[l]);
l--;
}
assertEquals(l, -1);
}
@Test
public void testCommitAmend() throws JGitInternalException, IOException,
GitAPIException {
Git git = new Git(db);
git.commit().setMessage("first comit").call(); // typo
git.commit().setAmend(true).setMessage("first commit").call();
Iterable<RevCommit> commits = git.log().call();
int c = 0;
for (RevCommit commit : commits) {
assertEquals("first commit", commit.getFullMessage());
c++;
}
assertEquals(1, c);
ReflogReader reader = db.getReflogReader(Constants.HEAD);
assertTrue(reader.getLastEntry().getComment()
.startsWith("commit (amend):"));
reader = db.getReflogReader(db.getBranch());
assertTrue(reader.getLastEntry().getComment()
.startsWith("commit (amend):"));
}
@Test
public void testInsertChangeId() throws JGitInternalException,
GitAPIException {
Git git = new Git(db);
String messageHeader = "Some header line\n\nSome detail explanation\n";
String changeIdTemplate = "\nChange-Id: I"
+ ObjectId.zeroId().getName() + "\n";
String messageFooter = "Some foooter lines\nAnother footer line\n";
RevCommit commit = git.commit().setMessage(
messageHeader + messageFooter)
.setInsertChangeId(true).call();
// we should find a real change id (at the end of the file)
byte[] chars = commit.getFullMessage().getBytes();
int lastLineBegin = RawParseUtils.prevLF(chars, chars.length - 2);
String lastLine = RawParseUtils.decode(chars, lastLineBegin + 1,
chars.length);
assertTrue(lastLine.contains("Change-Id:"));
assertFalse(lastLine.contains(
"Change-Id: I" + ObjectId.zeroId().getName()));
commit = git.commit().setMessage(
messageHeader + changeIdTemplate + messageFooter)
.setInsertChangeId(true).call();
// we should find a real change id (in the line as dictated by the
// template)
chars = commit.getFullMessage().getBytes();
int lineStart = 0;
int lineEnd = 0;
for (int i = 0; i < 4; i++) {
lineStart = RawParseUtils.nextLF(chars, lineStart);
}
lineEnd = RawParseUtils.nextLF(chars, lineStart);
String line = RawParseUtils.decode(chars, lineStart, lineEnd);
assertTrue(line.contains("Change-Id:"));
assertFalse(line.contains(
"Change-Id: I" + ObjectId.zeroId().getName()));
commit = git.commit().setMessage(
messageHeader + changeIdTemplate + messageFooter)
.setInsertChangeId(false).call();
// we should find the untouched template
chars = commit.getFullMessage().getBytes();
lineStart = 0;
lineEnd = 0;
for (int i = 0; i < 4; i++) {
lineStart = RawParseUtils.nextLF(chars, lineStart);
}
lineEnd = RawParseUtils.nextLF(chars, lineStart);
line = RawParseUtils.decode(chars, lineStart, lineEnd);
assertTrue(commit.getFullMessage().contains(
"Change-Id: I" + ObjectId.zeroId().getName()));
}
}