/*
* Copyright (C) 2013, 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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* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
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* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above
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* disclaimer in the documentation and/or other materials provided
* with the distribution.
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package org.eclipse.jgit.api;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Map;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.junit.TestRepository;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.junit.Before;
import org.junit.Test;
public class NameRevCommandTest extends RepositoryTestCase {
private TestRepository<Repository> tr;
private Git git;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
tr = new TestRepository<Repository>(db);
git = new Git(db);
}
@Test
public void nameExact() throws Exception {
RevCommit c = tr.commit().create();
tr.update("master", c);
assertOneResult("master", c);
}
@Test
public void prefix() throws Exception {
RevCommit c = tr.commit().create();
tr.update("refs/heads/master", c);
tr.update("refs/tags/tag", c);
assertOneResult("master", c);
assertOneResult("master",
git.nameRev().addPrefix("refs/heads/").addPrefix("refs/tags/"),
c);
assertOneResult("tag",
git.nameRev().addPrefix("refs/tags/").addPrefix("refs/heads/"),
c);
}
@Test
public void ref() throws Exception {
RevCommit c = tr.commit().create();
tr.update("refs/heads/master", c);
tr.update("refs/tags/tag", c);
assertOneResult("master",
git.nameRev().addRef(db.exactRef("refs/heads/master")), c);
assertOneResult("tag",
git.nameRev().addRef(db.exactRef("refs/tags/tag")), c);
}
@Test
public void annotatedTags() throws Exception {
RevCommit c = tr.commit().create();
tr.update("refs/heads/master", c);
tr.update("refs/tags/tag1", c);
tr.update("refs/tags/tag2", tr.tag("tag2", c));
assertOneResult("tag2", git.nameRev().addAnnotatedTags(), c);
}
@Test
public void annotatedTagsNoResult() throws Exception {
RevCommit c = tr.commit().create();
tr.update("refs/heads/master", c);
tr.update("refs/tags/tag1", c);
tr.update("refs/tags/tag2", c);
Map<ObjectId, String> result = git.nameRev()
.add(c)
.addAnnotatedTags()
.call();
assertTrue(result.toString(), result.isEmpty());
}
@Test
public void simpleAncestor() throws Exception {
// 0--1--2
RevCommit c0 = tr.commit().create();
RevCommit c1 = tr.commit().parent(c0).create();
RevCommit c2 = tr.commit().parent(c1).create();
tr.update("master", c2);
Map<ObjectId, String> result = git.nameRev().add(c0).add(c1).add(c2).call();
assertEquals(3, result.size());
assertEquals("master~2", result.get(c0));
assertEquals("master~1", result.get(c1));
assertEquals("master", result.get(c2));
}
@Test
public void multiplePathsNoMerge() throws Exception {
// 0--1 <- master
// \-2--3 <- branch
RevCommit c0 = tr.commit().create();
RevCommit c1 = tr.commit().parent(c0).create();
RevCommit c2 = tr.commit().parent(c0).create();
RevCommit c3 = tr.commit().parent(c2).create();
tr.update("master", c1);
tr.update("branch", c3);
assertOneResult("master~1", c0);
}
@Test
public void onePathMerge() throws Exception {
// 0--1--3
// \-2-/
RevCommit c0 = tr.commit().create();
RevCommit c1 = tr.commit().parent(c0).create();
RevCommit c2 = tr.commit().parent(c0).create();
RevCommit c3 = tr.commit().parent(c1).parent(c2).create();
tr.update("master", c3);
assertOneResult("master~2", c0);
}
@Test
public void onePathMergeSecondParent() throws Exception {
// 0--1-----4
// \-2--3-/
RevCommit c0 = tr.commit().create();
RevCommit c1 = tr.commit().parent(c0).create();
RevCommit c2 = tr.commit().parent(c0).create();
RevCommit c3 = tr.commit().parent(c2).create();
RevCommit c4 = tr.commit().parent(c1).parent(c3).create();
tr.update("master", c4);
assertOneResult("master^2", c3);
assertOneResult("master^2~1", c2);
}
@Test
public void onePathMergeLongerFirstParentPath() throws Exception {
// 0--1--2--4
// \--3---/
RevCommit c0 = tr.commit().create();
RevCommit c1 = tr.commit().parent(c0).create();
RevCommit c2 = tr.commit().parent(c1).create();
RevCommit c3 = tr.commit().parent(c0).create();
RevCommit c4 = tr.commit().parent(c2).parent(c3).create();
tr.update("master", c4);
assertOneResult("master^2", c3);
assertOneResult("master~3", c0);
}
@Test
public void multiplePathsSecondParent() throws Exception {
// 0--...--2
// \--1--/
RevCommit c0 = tr.commit().create();
RevCommit c1 = tr.commit().parent(c0).create();
RevCommit c = c0;
int mergeCost = 5;
for (int i = 0; i < mergeCost; i++) {
c = tr.commit().parent(c).create();
}
RevCommit c2 = tr.commit().parent(c).parent(c1).create();
tr.update("master", c2);
assertOneResult("master^2~1", git.nameRev().setMergeCost(mergeCost), c0);
}
private static void assertOneResult(String expected, NameRevCommand nameRev,
ObjectId id) throws Exception {
Map<ObjectId, String> result = nameRev.add(id).call();
assertEquals(1, result.size());
assertEquals(expected, result.get(id));
}
private void assertOneResult(String expected, ObjectId id) throws Exception {
assertOneResult(expected, git.nameRev(), id);
}
}