// Copyright (C) 2013 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.server.change;
import com.google.gerrit.common.data.IncludedInDetail;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.MergeCommand.FastForwardMode;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevTag;
import org.eclipse.jgit.revwalk.RevWalk;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class IncludedInResolverTest extends RepositoryTestCase {
// Branch names
private static final String BRANCH_MASTER = "master";
private static final String BRANCH_1_0 = "rel-1.0";
private static final String BRANCH_1_3 = "rel-1.3";
private static final String BRANCH_2_0 = "rel-2.0";
private static final String BRANCH_2_5 = "rel-2.5";
// Tag names
private static final String TAG_1_0 = "1.0";
private static final String TAG_1_0_1 = "1.0.1";
private static final String TAG_1_3 = "1.3";
private static final String TAG_2_0_1 = "2.0.1";
private static final String TAG_2_0 = "2.0";
private static final String TAG_2_5 = "2.5";
private static final String TAG_2_5_ANNOTATED = "2.5-annotated";
private static final String TAG_2_5_ANNOTATED_TWICE = "2.5-annotated_twice";
// Commits
private RevCommit commit_initial;
private RevCommit commit_v1_3;
private RevCommit commit_v2_5;
private List<String> expTags = new ArrayList<>();
private List<String> expBranches = new ArrayList<>();
private RevWalk revWalk;
@Before
public void setUp() throws Exception {
super.setUp();
/*- The following graph will be created.
o tag 2.5, 2.5_annotated, 2.5_annotated_twice
|\
| o tag 2.0.1
| o tag 2.0
o | tag 1.3
|/
o c3
| o tag 1.0.1
|/
o tag 1.0
o c2
o c1
*/
Git git = new Git(db);
revWalk = new RevWalk(db);
// Version 1.0
commit_initial = git.commit().setMessage("c1").call();
git.commit().setMessage("c2").call();
RevCommit commit_v1_0 = git.commit().setMessage("version 1.0").call();
git.tag().setName(TAG_1_0).setObjectId(commit_v1_0).call();
RevCommit c3 = git.commit().setMessage("c3").call();
// Version 1.01
createAndCheckoutBranch(commit_v1_0, BRANCH_1_0);
RevCommit commit_v1_0_1 =
git.commit().setMessage("verREFS_HEADS_RELsion 1.0.1").call();
git.tag().setName(TAG_1_0_1).setObjectId(commit_v1_0_1).call();
// Version 1.3
createAndCheckoutBranch(c3, BRANCH_1_3);
commit_v1_3 = git.commit().setMessage("version 1.3").call();
git.tag().setName(TAG_1_3).setObjectId(commit_v1_3).call();
// Version 2.0
createAndCheckoutBranch(c3, BRANCH_2_0);
RevCommit commit_v2_0 = git.commit().setMessage("version 2.0").call();
git.tag().setName(TAG_2_0).setObjectId(commit_v2_0).call();
RevCommit commit_v2_0_1 = git.commit().setMessage("version 2.0.1").call();
git.tag().setName(TAG_2_0_1).setObjectId(commit_v2_0_1).call();
// Version 2.5
createAndCheckoutBranch(commit_v1_3, BRANCH_2_5);
git.merge().include(commit_v2_0_1).setCommit(false)
.setFastForward(FastForwardMode.NO_FF).call();
commit_v2_5 = git.commit().setMessage("version 2.5").call();
git.tag().setName(TAG_2_5).setObjectId(commit_v2_5).setAnnotated(false)
.call();
Ref ref_tag_2_5_annotated =
git.tag().setName(TAG_2_5_ANNOTATED).setObjectId(commit_v2_5)
.setAnnotated(true).call();
RevTag tag_2_5_annotated =
revWalk.parseTag(ref_tag_2_5_annotated.getObjectId());
git.tag().setName(TAG_2_5_ANNOTATED_TWICE).setObjectId(tag_2_5_annotated)
.setAnnotated(true).call();
}
@After
public void tearDown() throws Exception {
revWalk.release();
super.tearDown();
}
@Test
public void resolveLatestCommit() throws Exception {
// Check tip commit
IncludedInDetail detail = resolve(commit_v2_5);
// Check that only tags and branches which refer the tip are returned
expTags.add(TAG_2_5);
expTags.add(TAG_2_5_ANNOTATED);
expTags.add(TAG_2_5_ANNOTATED_TWICE);
assertEquals(expTags, detail.getTags());
expBranches.add(BRANCH_2_5);
assertEquals(expBranches, detail.getBranches());
}
@Test
public void resolveFirstCommit() throws Exception {
// Check first commit
IncludedInDetail detail = resolve(commit_initial);
// Check whether all tags and branches are returned
expTags.add(TAG_1_0);
expTags.add(TAG_1_0_1);
expTags.add(TAG_1_3);
expTags.add(TAG_2_0);
expTags.add(TAG_2_0_1);
expTags.add(TAG_2_5);
expTags.add(TAG_2_5_ANNOTATED);
expTags.add(TAG_2_5_ANNOTATED_TWICE);
assertEquals(expTags, detail.getTags());
expBranches.add(BRANCH_MASTER);
expBranches.add(BRANCH_1_0);
expBranches.add(BRANCH_1_3);
expBranches.add(BRANCH_2_0);
expBranches.add(BRANCH_2_5);
assertEquals(expBranches, detail.getBranches());
}
@Test
public void resolveBetwixtCommit() throws Exception {
// Check a commit somewhere in the middle
IncludedInDetail detail = resolve(commit_v1_3);
// Check whether all succeeding tags and branches are returned
expTags.add(TAG_1_3);
expTags.add(TAG_2_5);
expTags.add(TAG_2_5_ANNOTATED);
expTags.add(TAG_2_5_ANNOTATED_TWICE);
assertEquals(expTags, detail.getTags());
expBranches.add(BRANCH_1_3);
expBranches.add(BRANCH_2_5);
assertEquals(expBranches, detail.getBranches());
}
private IncludedInDetail resolve(RevCommit commit) throws Exception {
return IncludedInResolver.resolve(db, revWalk, commit);
}
private void assertEquals(List<String> list1, List<String> list2) {
Collections.sort(list1);
Collections.sort(list2);
Assert.assertEquals(list1, list2);
}
private void createAndCheckoutBranch(ObjectId objectId, String branchName)
throws IOException {
String fullBranchName = "refs/heads/" + branchName;
super.createBranch(objectId, fullBranchName);
super.checkoutBranch(fullBranchName);
}
}