// 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.acceptance.server.change;
import static com.google.gerrit.acceptance.GitUtil.add;
import static com.google.gerrit.acceptance.GitUtil.createCommit;
import static com.google.gerrit.acceptance.GitUtil.pushHead;
import static org.junit.Assert.assertEquals;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.gerrit.acceptance.AbstractDaemonTest;
import com.google.gerrit.acceptance.GitUtil.Commit;
import com.google.gerrit.acceptance.PushOneCommit;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gerrit.server.change.GetRelated.ChangeAndCommit;
import com.google.gerrit.server.change.GetRelated.RelatedInfo;
import com.google.gwtorm.server.OrmException;
import org.eclipse.jgit.api.ResetCommand.ResetType;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.junit.Test;
import java.io.IOException;
import java.util.List;
public class GetRelatedIT extends AbstractDaemonTest {
@Test
public void getRelatedNoResult() throws GitAPIException,
IOException, Exception {
PushOneCommit push = pushFactory.create(db, admin.getIdent());
PatchSet.Id ps = push.to(git, "refs/for/master").getPatchSetId();
List<ChangeAndCommit> related = getRelated(ps);
assertEquals(0, related.size());
}
@Test
public void getRelatedLinear() throws GitAPIException,
IOException, Exception {
add(git, "a.txt", "1");
Commit c1 = createCommit(git, admin.getIdent(), "subject: 1");
add(git, "b.txt", "2");
Commit c2 = createCommit(git, admin.getIdent(), "subject: 2");
pushHead(git, "refs/for/master", false);
for (Commit c : ImmutableList.of(c2, c1)) {
List<ChangeAndCommit> related = getRelated(getPatchSetId(c));
assertEquals(2, related.size());
assertEquals("related to " + c.getChangeId(), c2.getChangeId(), related.get(0).changeId);
assertEquals("related to " + c.getChangeId(), c1.getChangeId(), related.get(1).changeId);
}
}
@Test
public void getRelatedReorder() throws GitAPIException,
IOException, Exception {
// Create two commits and push.
add(git, "a.txt", "1");
Commit c1 = createCommit(git, admin.getIdent(), "subject: 1");
add(git, "b.txt", "2");
Commit c2 = createCommit(git, admin.getIdent(), "subject: 2");
pushHead(git, "refs/for/master", false);
PatchSet.Id c1ps1 = getPatchSetId(c1);
PatchSet.Id c2ps1 = getPatchSetId(c2);
// Swap the order of commits and push again.
git.reset().setMode(ResetType.HARD).setRef("HEAD^^").call();
git.cherryPick().include(c2.getCommit()).include(c1.getCommit()).call();
pushHead(git, "refs/for/master", false);
PatchSet.Id c1ps2 = getPatchSetId(c1);
PatchSet.Id c2ps2 = getPatchSetId(c2);
for (PatchSet.Id ps : ImmutableList.of(c2ps2, c1ps2)) {
List<ChangeAndCommit> related = getRelated(ps);
assertEquals(2, related.size());
assertEquals("related to " + ps, c1.getChangeId(), related.get(0).changeId);
assertEquals("related to " + ps, c2.getChangeId(), related.get(1).changeId);
}
for (PatchSet.Id ps : ImmutableList.of(c2ps1, c1ps1)) {
List<ChangeAndCommit> related = getRelated(ps);
assertEquals(2, related.size());
assertEquals("related to " + ps, c2.getChangeId(), related.get(0).changeId);
assertEquals("related to " + ps, c1.getChangeId(), related.get(1).changeId);
}
}
@Test
public void getRelatedReorderAndExtend() throws GitAPIException,
IOException, Exception {
// Create two commits and push.
add(git, "a.txt", "1");
Commit c1 = createCommit(git, admin.getIdent(), "subject: 1");
add(git, "b.txt", "2");
Commit c2 = createCommit(git, admin.getIdent(), "subject: 2");
pushHead(git, "refs/for/master", false);
PatchSet.Id c1ps1 = getPatchSetId(c1);
PatchSet.Id c2ps1 = getPatchSetId(c2);
// Swap the order of commits, create a new commit on top, and push again.
git.reset().setMode(ResetType.HARD).setRef("HEAD^^").call();
git.cherryPick().include(c2.getCommit()).include(c1.getCommit()).call();
add(git, "c.txt", "3");
Commit c3 = createCommit(git, admin.getIdent(), "subject: 3");
pushHead(git, "refs/for/master", false);
PatchSet.Id c1ps2 = getPatchSetId(c1);
PatchSet.Id c2ps2 = getPatchSetId(c2);
PatchSet.Id c3ps1 = getPatchSetId(c3);
for (PatchSet.Id ps : ImmutableList.of(c3ps1, c2ps2, c1ps2)) {
List<ChangeAndCommit> related = getRelated(ps);
assertEquals(3, related.size());
assertEquals("related to " + ps, c3.getChangeId(), related.get(0).changeId);
assertEquals("related to " + ps, c1.getChangeId(), related.get(1).changeId);
assertEquals("related to " + ps, c2.getChangeId(), related.get(2).changeId);
}
for (PatchSet.Id ps : ImmutableList.of(c2ps1, c1ps1)) {
List<ChangeAndCommit> related = getRelated(ps);
assertEquals(3, related.size());
assertEquals("related to " + ps, c3.getChangeId(), related.get(0).changeId);
assertEquals("related to " + ps, c2.getChangeId(), related.get(1).changeId);
assertEquals("related to " + ps, c1.getChangeId(), related.get(2).changeId);
}
}
private List<ChangeAndCommit> getRelated(PatchSet.Id ps) throws IOException {
String url = String.format("/changes/%d/revisions/%d/related",
ps.getParentKey().get(), ps.get());
return newGson().fromJson(adminSession.get(url).getReader(),
RelatedInfo.class).changes;
}
private PatchSet.Id getPatchSetId(Commit c) throws OrmException {
return Iterables.getOnlyElement(
db.changes().byKey(new Change.Key(c.getChangeId()))).currentPatchSetId();
}
}