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// 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.rest.change;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.TruthJUnit.assume;
import com.google.common.collect.Iterables;
import com.google.gerrit.acceptance.PushOneCommit;
import com.google.gerrit.acceptance.TestProjectInput;
import com.google.gerrit.extensions.api.changes.SubmitInput;
import com.google.gerrit.extensions.client.ChangeStatus;
import com.google.gerrit.extensions.client.InheritableBoolean;
import com.google.gerrit.extensions.common.ChangeInfo;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gerrit.server.change.Submit.TestSubmitInput;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
import org.junit.Test;
public abstract class AbstractSubmitByMerge extends AbstractSubmit {
@Test
public void submitWithMerge() throws Exception {
RevCommit initialHead = getRemoteHead();
PushOneCommit.Result change = createChange("Change 1", "a.txt", "content");
submit(change.getChangeId());
RevCommit oldHead = getRemoteHead();
testRepo.reset(initialHead);
PushOneCommit.Result change2 = createChange("Change 2", "b.txt", "other content");
submit(change2.getChangeId());
RevCommit head = getRemoteHead();
assertThat(head.getParentCount()).isEqualTo(2);
assertThat(head.getParent(0)).isEqualTo(oldHead);
assertThat(head.getParent(1)).isEqualTo(change2.getCommit());
}
@Test
@TestProjectInput(useContentMerge = InheritableBoolean.TRUE)
public void submitWithContentMerge() throws Exception {
PushOneCommit.Result change = createChange("Change 1", "a.txt", "aaa\nbbb\nccc\n");
submit(change.getChangeId());
PushOneCommit.Result change2 = createChange("Change 2", "a.txt", "aaa\nbbb\nccc\nddd\n");
submit(change2.getChangeId());
RevCommit oldHead = getRemoteHead();
testRepo.reset(change.getCommit());
PushOneCommit.Result change3 = createChange("Change 3", "a.txt", "bbb\nccc\n");
submit(change3.getChangeId());
RevCommit head = getRemoteHead();
assertThat(head.getParentCount()).isEqualTo(2);
assertThat(head.getParent(0)).isEqualTo(oldHead);
assertThat(head.getParent(1)).isEqualTo(change3.getCommit());
}
@Test
@TestProjectInput(useContentMerge = InheritableBoolean.TRUE)
public void submitWithContentMerge_Conflict() throws Exception {
RevCommit initialHead = getRemoteHead();
PushOneCommit.Result change = createChange("Change 1", "a.txt", "content");
submit(change.getChangeId());
RevCommit oldHead = getRemoteHead();
testRepo.reset(initialHead);
PushOneCommit.Result change2 = createChange("Change 2", "a.txt", "other content");
submitWithConflict(
change2.getChangeId(),
"Failed to submit 1 change due to the following problems:\n"
+ "Change "
+ change2.getChange().getId()
+ ": "
+ "Change could not be merged due to a path conflict. "
+ "Please rebase the change locally "
+ "and upload the rebased commit for review.");
assertThat(getRemoteHead()).isEqualTo(oldHead);
}
@Test
@TestProjectInput(createEmptyCommit = false)
public void submitMultipleCommitsToEmptyRepoAsFastForward() throws Exception {
PushOneCommit.Result change1 = createChange();
PushOneCommit.Result change2 = createChange();
approve(change1.getChangeId());
submit(change2.getChangeId());
assertThat(getRemoteHead().getId()).isEqualTo(change2.getCommit());
}
@Test
@TestProjectInput(createEmptyCommit = false)
public void submitMultipleCommitsToEmptyRepoWithOneMerge() throws Exception {
assume().that(isSubmitWholeTopicEnabled()).isTrue();
PushOneCommit.Result change1 =
pushFactory
.create(db, admin.getIdent(), testRepo, "Change 1", "a", "a")
.to("refs/for/master/" + name("topic"));
PushOneCommit push2 = pushFactory.create(db, admin.getIdent(), testRepo, "Change 2", "b", "b");
push2.noParents();
PushOneCommit.Result change2 = push2.to("refs/for/master/" + name("topic"));
change2.assertOkStatus();
approve(change1.getChangeId());
submit(change2.getChangeId());
RevCommit head = getRemoteHead();
assertThat(head.getParents()).hasLength(2);
assertThat(head.getParent(0)).isEqualTo(change1.getCommit());
assertThat(head.getParent(1)).isEqualTo(change2.getCommit());
}
@Test
public void repairChangeStateAfterFailure() throws Exception {
// In NoteDb-only mode, repo and meta updates are atomic (at least in InMemoryRepository).
assume().that(notesMigration.disableChangeReviewDb()).isFalse();
RevCommit initialHead = getRemoteHead();
PushOneCommit.Result change = createChange("Change 1", "a.txt", "content");
submit(change.getChangeId());
RevCommit afterChange1Head = getRemoteHead();
testRepo.reset(initialHead);
PushOneCommit.Result change2 = createChange("Change 2", "b.txt", "other content");
Change.Id id2 = change2.getChange().getId();
TestSubmitInput failInput = new TestSubmitInput();
failInput.failAfterRefUpdates = true;
submit(
change2.getChangeId(),
failInput,
ResourceConflictException.class,
"Failing after ref updates");
// Bad: ref advanced but change wasn't updated.
PatchSet.Id psId1 = new PatchSet.Id(id2, 1);
ChangeInfo info = gApi.changes().id(id2.get()).get();
assertThat(info.status).isEqualTo(ChangeStatus.NEW);
assertThat(info.revisions.get(info.currentRevision)._number).isEqualTo(1);
RevCommit tip;
try (Repository repo = repoManager.openRepository(project);
RevWalk rw = new RevWalk(repo)) {
ObjectId rev1 = repo.exactRef(psId1.toRefName()).getObjectId();
assertThat(rev1).isNotNull();
tip = rw.parseCommit(repo.exactRef("refs/heads/master").getObjectId());
assertThat(tip.getParentCount()).isEqualTo(2);
assertThat(tip.getParent(0)).isEqualTo(afterChange1Head);
assertThat(tip.getParent(1)).isEqualTo(change2.getCommit());
}
submit(change2.getChangeId(), new SubmitInput(), null, null);
// Change status and patch set entities were updated, and branch tip stayed
// the same.
info = gApi.changes().id(id2.get()).get();
assertThat(info.status).isEqualTo(ChangeStatus.MERGED);
assertThat(info.revisions.get(info.currentRevision)._number).isEqualTo(1);
assertThat(Iterables.getLast(info.messages).message)
.isEqualTo("Change has been successfully merged by Administrator");
try (Repository repo = repoManager.openRepository(project)) {
assertThat(repo.exactRef("refs/heads/master").getObjectId()).isEqualTo(tip);
}
}
}
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