/*
* Copyright (C) 2015, Google Inc.
* 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
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* without modification, are permitted provided that the following
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* - Redistributions in binary form must reproduce the above
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package org.eclipse.jgit.junit;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import java.util.Date;
import java.util.regex.Pattern;
import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectLoader;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.revwalk.RevBlob;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevObject;
import org.eclipse.jgit.revwalk.RevWalk;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class TestRepositoryTest {
private TestRepository<InMemoryRepository> tr;
private InMemoryRepository repo;
private RevWalk rw;
@Before
public void setUp() throws Exception {
tr = new TestRepository<>(new InMemoryRepository(
new DfsRepositoryDescription("test")));
repo = tr.getRepository();
rw = tr.getRevWalk();
}
@After
public void tearDown() {
rw.close();
repo.close();
}
@Test
public void insertChangeId() throws Exception {
RevCommit c1 = tr.commit().message("message").insertChangeId().create();
rw.parseBody(c1);
assertTrue(Pattern.matches(
"^message\n\nChange-Id: I[0-9a-f]{40}\n$", c1.getFullMessage()));
RevCommit c2 = tr.commit().message("").insertChangeId().create();
rw.parseBody(c2);
assertEquals("\n\nChange-Id: I0000000000000000000000000000000000000000\n",
c2.getFullMessage());
}
@Test
public void insertChangeIdIgnoresExisting() throws Exception {
String msg = "message\n"
+ "\n"
+ "Change-Id: Ideadbeefdeadbeefdeadbeefdeadbeefdeadbeef\n";
RevCommit c = tr.commit().message(msg).insertChangeId().create();
rw.parseBody(c);
assertEquals(msg, c.getFullMessage());
}
@Test
public void insertExplicitChangeId() throws Exception {
RevCommit c = tr.commit().message("message")
.insertChangeId("deadbeefdeadbeefdeadbeefdeadbeefdeadbeef")
.create();
rw.parseBody(c);
assertEquals("message\n\n"
+ "Change-Id: Ideadbeefdeadbeefdeadbeefdeadbeefdeadbeef\n"
, c.getFullMessage());
}
@Test
public void resetFromSymref() throws Exception {
repo.updateRef("HEAD").link("refs/heads/master");
Ref head = repo.exactRef("HEAD");
RevCommit master = tr.branch("master").commit().create();
RevCommit branch = tr.branch("branch").commit().create();
RevCommit detached = tr.commit().create();
assertTrue(head.isSymbolic());
assertEquals("refs/heads/master", head.getTarget().getName());
assertEquals(master, repo.exactRef("refs/heads/master").getObjectId());
assertEquals(branch, repo.exactRef("refs/heads/branch").getObjectId());
// Reset to branches preserves symref.
tr.reset("master");
head = repo.exactRef("HEAD");
assertEquals(master, head.getObjectId());
assertTrue(head.isSymbolic());
assertEquals("refs/heads/master", head.getTarget().getName());
tr.reset("branch");
head = repo.exactRef("HEAD");
assertEquals(branch, head.getObjectId());
assertTrue(head.isSymbolic());
assertEquals("refs/heads/master", head.getTarget().getName());
ObjectId lastHeadBeforeDetach = head.getObjectId().copy();
// Reset to a SHA-1 detaches.
tr.reset(detached);
head = repo.exactRef("HEAD");
assertEquals(detached, head.getObjectId());
assertFalse(head.isSymbolic());
tr.reset(detached.name());
head = repo.exactRef("HEAD");
assertEquals(detached, head.getObjectId());
assertFalse(head.isSymbolic());
// Reset back to a branch remains detached.
tr.reset("master");
head = repo.exactRef("HEAD");
assertEquals(lastHeadBeforeDetach, head.getObjectId());
assertFalse(head.isSymbolic());
}
@Test
public void resetFromDetachedHead() throws Exception {
Ref head = repo.exactRef("HEAD");
RevCommit master = tr.branch("master").commit().create();
RevCommit branch = tr.branch("branch").commit().create();
RevCommit detached = tr.commit().create();
assertNull(head);
assertEquals(master, repo.exactRef("refs/heads/master").getObjectId());
assertEquals(branch, repo.exactRef("refs/heads/branch").getObjectId());
tr.reset("master");
head = repo.exactRef("HEAD");
assertEquals(master, head.getObjectId());
assertFalse(head.isSymbolic());
tr.reset("branch");
head = repo.exactRef("HEAD");
assertEquals(branch, head.getObjectId());
assertFalse(head.isSymbolic());
tr.reset(detached);
head = repo.exactRef("HEAD");
assertEquals(detached, head.getObjectId());
assertFalse(head.isSymbolic());
tr.reset(detached.name());
head = repo.exactRef("HEAD");
assertEquals(detached, head.getObjectId());
assertFalse(head.isSymbolic());
}
@Test
public void amendRef() throws Exception {
RevCommit root = tr.commit()
.add("todelete", "to be deleted")
.create();
RevCommit orig = tr.commit().parent(root)
.rm("todelete")
.add("foo", "foo contents")
.add("bar", "bar contents")
.add("dir/baz", "baz contents")
.create();
rw.parseBody(orig);
tr.branch("master").update(orig);
assertEquals("foo contents", blobAsString(orig, "foo"));
assertEquals("bar contents", blobAsString(orig, "bar"));
assertEquals("baz contents", blobAsString(orig, "dir/baz"));
RevCommit amended = tr.amendRef("master")
.tick(3)
.add("bar", "fixed bar contents")
.create();
assertEquals(amended, repo.exactRef("refs/heads/master").getObjectId());
rw.parseBody(amended);
assertEquals(1, amended.getParentCount());
assertEquals(root, amended.getParent(0));
assertEquals(orig.getFullMessage(), amended.getFullMessage());
assertEquals(orig.getAuthorIdent(), amended.getAuthorIdent());
// Committer name/email is the same, but time was incremented.
assertEquals(new PersonIdent(orig.getCommitterIdent(), new Date(0)),
new PersonIdent(amended.getCommitterIdent(), new Date(0)));
assertTrue(orig.getCommitTime() < amended.getCommitTime());
assertEquals("foo contents", blobAsString(amended, "foo"));
assertEquals("fixed bar contents", blobAsString(amended, "bar"));
assertEquals("baz contents", blobAsString(amended, "dir/baz"));
assertNull(TreeWalk.forPath(repo, "todelete", amended.getTree()));
}
@Test
public void amendHead() throws Exception {
repo.updateRef("HEAD").link("refs/heads/master");
RevCommit root = tr.commit()
.add("foo", "foo contents")
.create();
RevCommit orig = tr.commit().parent(root)
.message("original message")
.add("bar", "bar contents")
.create();
tr.branch("master").update(orig);
RevCommit amended = tr.amendRef("HEAD")
.add("foo", "fixed foo contents")
.create();
Ref head = repo.exactRef(Constants.HEAD);
assertEquals(amended, head.getObjectId());
assertTrue(head.isSymbolic());
assertEquals("refs/heads/master", head.getTarget().getName());
rw.parseBody(amended);
assertEquals("original message", amended.getFullMessage());
assertEquals("fixed foo contents", blobAsString(amended, "foo"));
assertEquals("bar contents", blobAsString(amended, "bar"));
}
@Test
public void amendCommit() throws Exception {
RevCommit root = tr.commit()
.add("foo", "foo contents")
.create();
RevCommit orig = tr.commit().parent(root)
.message("original message")
.add("bar", "bar contents")
.create();
RevCommit amended = tr.amend(orig.copy())
.add("foo", "fixed foo contents")
.create();
rw.parseBody(amended);
assertEquals("original message", amended.getFullMessage());
assertEquals("fixed foo contents", blobAsString(amended, "foo"));
assertEquals("bar contents", blobAsString(amended, "bar"));
}
@Test
public void commitToUnbornHead() throws Exception {
repo.updateRef("HEAD").link("refs/heads/master");
RevCommit root = tr.branch("HEAD").commit().create();
Ref ref = repo.exactRef(Constants.HEAD);
assertEquals(root, ref.getObjectId());
assertTrue(ref.isSymbolic());
assertEquals("refs/heads/master", ref.getTarget().getName());
}
@Test
public void cherryPick() throws Exception {
repo.updateRef("HEAD").link("refs/heads/master");
RevCommit head = tr.branch("master").commit()
.add("foo", "foo contents\n")
.create();
rw.parseBody(head);
RevCommit toPick = tr.commit()
.parent(tr.commit().create()) // Can't cherry-pick root.
.author(new PersonIdent("Cherrypick Author", "cpa@example.com",
tr.getDate(), tr.getTimeZone()))
.author(new PersonIdent("Cherrypick Committer", "cpc@example.com",
tr.getDate(), tr.getTimeZone()))
.message("message to cherry-pick")
.add("bar", "bar contents\n")
.create();
RevCommit result = tr.cherryPick(toPick);
rw.parseBody(result);
Ref headRef = tr.getRepository().exactRef("HEAD");
assertEquals(result, headRef.getObjectId());
assertTrue(headRef.isSymbolic());
assertEquals("refs/heads/master", headRef.getLeaf().getName());
assertEquals(1, result.getParentCount());
assertEquals(head, result.getParent(0));
assertEquals(toPick.getAuthorIdent(), result.getAuthorIdent());
// Committer name/email matches default, and time was incremented.
assertEquals(new PersonIdent(head.getCommitterIdent(), new Date(0)),
new PersonIdent(result.getCommitterIdent(), new Date(0)));
assertTrue(toPick.getCommitTime() < result.getCommitTime());
assertEquals("message to cherry-pick", result.getFullMessage());
assertEquals("foo contents\n", blobAsString(result, "foo"));
assertEquals("bar contents\n", blobAsString(result, "bar"));
}
@Test
public void cherryPickWithContentMerge() throws Exception {
RevCommit base = tr.branch("HEAD").commit()
.add("foo", "foo contents\n\n")
.create();
tr.branch("HEAD").commit()
.add("foo", "foo contents\n\nlast line\n")
.create();
RevCommit toPick = tr.commit()
.message("message to cherry-pick")
.parent(base)
.add("foo", "changed foo contents\n\n")
.create();
RevCommit result = tr.cherryPick(toPick);
rw.parseBody(result);
assertEquals("message to cherry-pick", result.getFullMessage());
assertEquals("changed foo contents\n\nlast line\n",
blobAsString(result, "foo"));
}
@Test
public void cherryPickWithIdenticalContents() throws Exception {
RevCommit base = tr.branch("HEAD").commit().add("foo", "foo contents\n")
.create();
RevCommit head = tr.branch("HEAD").commit()
.parent(base)
.add("bar", "bar contents\n")
.create();
RevCommit toPick = tr.commit()
.parent(base)
.message("message to cherry-pick")
.add("bar", "bar contents\n")
.create();
assertNotEquals(head, toPick);
assertNull(tr.cherryPick(toPick));
assertEquals(head, repo.exactRef("HEAD").getObjectId());
}
@Test
public void reattachToMaster_Race() throws Exception {
RevCommit commit = tr.branch("master").commit().create();
tr.branch("master").update(commit);
tr.branch("other").update(commit);
repo.updateRef("HEAD").link("refs/heads/master");
// Create a detached HEAD that is not an .
tr.reset(commit);
Ref head = repo.exactRef("HEAD");
assertEquals(commit, head.getObjectId());
assertFalse(head.isSymbolic());
// Try to reattach to master.
RefUpdate refUpdate = repo.updateRef("HEAD");
// Make a change during reattachment.
repo.updateRef("HEAD").link("refs/heads/other");
assertEquals(
RefUpdate.Result.LOCK_FAILURE, refUpdate.link("refs/heads/master"));
}
@Test
public void nonRacingChange() throws Exception {
tr.branch("master").update(tr.branch("master").commit().create());
tr.branch("other").update(tr.branch("other").commit().create());
repo.updateRef("HEAD").link("refs/heads/master");
// Try to update HEAD.
RefUpdate refUpdate = repo.updateRef("HEAD");
// Proceed a master. This should not affect changing HEAD.
tr.branch("master").update(tr.branch("master").commit().create());
assertEquals(RefUpdate.Result.FORCED, refUpdate.link("refs/heads/other"));
}
private String blobAsString(AnyObjectId treeish, String path)
throws Exception {
RevObject obj = tr.get(rw.parseTree(treeish), path);
assertSame(RevBlob.class, obj.getClass());
ObjectLoader loader = rw.getObjectReader().open(obj);
return new String(loader.getCachedBytes(), UTF_8);
}
}