Merge branch 'stable-2.16' into stable-3.0
* stable-2.16:
Honour index retries when indexing groups
Change-Id: I2509cb30a6e79f69848b9eae308a40f1e51f839f
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/ForwardedIndexGroupHandler.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/ForwardedIndexGroupHandler.java
index 368dffe..f9423b5 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/ForwardedIndexGroupHandler.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/ForwardedIndexGroupHandler.java
@@ -20,7 +20,12 @@
import com.google.inject.Singleton;
import com.googlesource.gerrit.plugins.multisite.Configuration;
import com.googlesource.gerrit.plugins.multisite.forwarder.events.GroupIndexEvent;
+import com.googlesource.gerrit.plugins.multisite.index.ForwardedIndexExecutor;
+import com.googlesource.gerrit.plugins.multisite.index.GroupChecker;
import java.util.Optional;
+import java.util.concurrent.Future;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
/**
* Index a group using {@link GroupIndexer}. This class is meant to be used on the receiving side of
@@ -31,17 +36,74 @@
@Singleton
public class ForwardedIndexGroupHandler extends ForwardedIndexingHandler<String, GroupIndexEvent> {
private final GroupIndexer indexer;
+ private final GroupChecker groupChecker;
+ private final ScheduledExecutorService indexExecutor;
+ private final int retryInterval;
+ private final int maxTries;
@Inject
- ForwardedIndexGroupHandler(GroupIndexer indexer, Configuration config) {
+ ForwardedIndexGroupHandler(
+ GroupIndexer indexer,
+ Configuration config,
+ GroupChecker groupChecker,
+ @ForwardedIndexExecutor ScheduledExecutorService indexExecutor) {
super(config.index().numStripedLocks());
this.indexer = indexer;
+ this.groupChecker = groupChecker;
+ this.indexExecutor = indexExecutor;
+ Configuration.Index indexConfig = config.index();
+ this.retryInterval = indexConfig != null ? indexConfig.retryInterval() : 0;
+ this.maxTries = indexConfig != null ? indexConfig.maxTries() : 0;
}
@Override
protected void doIndex(String uuid, Optional<GroupIndexEvent> event) {
+ doIndex(uuid, event, 0);
+ }
+
+ protected void doIndex(String uuid, Optional<GroupIndexEvent> groupIndexEvent, int retryCount) {
indexer.index(new AccountGroup.UUID(uuid));
- log.debug("Group {} successfully indexed", uuid);
+ if (groupChecker.isGroupUpToDate(groupIndexEvent)) {
+ if (retryCount > 0) {
+ log.warn("Group '{}' has been eventually indexed after {} attempt(s)", uuid, retryCount);
+ } else {
+ log.debug("Group '{}' successfully indexed", uuid);
+ }
+ } else {
+ log.debug("Group '{}' rescheduling indexing", uuid);
+ rescheduleIndex(uuid, groupIndexEvent, retryCount + 1);
+ }
+ }
+
+ private boolean rescheduleIndex(
+ String uuid, Optional<GroupIndexEvent> indexEvent, int retryCount) {
+ if (retryCount > maxTries) {
+ log.error(
+ "Group '{}' could not be indexed after {} retries. Group index could be stale.",
+ uuid,
+ retryCount);
+ return false;
+ }
+
+ log.warn(
+ "Retrying for the #{} time to index Group {} after {} msecs",
+ retryCount,
+ uuid,
+ retryInterval);
+ @SuppressWarnings("unused")
+ Future<?> possiblyIgnoredError =
+ indexExecutor.schedule(
+ () -> {
+ try {
+ Context.setForwardedEvent(true);
+ doIndex(uuid, indexEvent, retryCount);
+ } catch (Exception e) {
+ log.warn("Group {} could not be indexed", uuid, e);
+ }
+ },
+ retryInterval,
+ TimeUnit.MILLISECONDS);
+ return true;
}
@Override
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/events/GroupIndexEvent.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/events/GroupIndexEvent.java
index e452e27..4981b2f 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/events/GroupIndexEvent.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/events/GroupIndexEvent.java
@@ -15,27 +15,30 @@
package com.googlesource.gerrit.plugins.multisite.forwarder.events;
import com.google.common.base.Objects;
+import com.google.gerrit.common.Nullable;
+import org.eclipse.jgit.lib.ObjectId;
public class GroupIndexEvent extends IndexEvent {
static final String TYPE = "group-index";
- public String groupUUID;
+ public final String groupUUID;
+ public final ObjectId sha1;
- public GroupIndexEvent(String groupUUID) {
+ public GroupIndexEvent(String groupUUID, @Nullable ObjectId sha1) {
super(TYPE);
this.groupUUID = groupUUID;
+ this.sha1 = sha1;
}
- @Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
GroupIndexEvent that = (GroupIndexEvent) o;
- return Objects.equal(groupUUID, that.groupUUID);
+ return Objects.equal(groupUUID, that.groupUUID) && Objects.equal(sha1, that.sha1);
}
@Override
public int hashCode() {
- return Objects.hashCode(groupUUID);
+ return Objects.hashCode(groupUUID, sha1);
}
}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/GroupChecker.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/GroupChecker.java
new file mode 100644
index 0000000..03ac30c
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/GroupChecker.java
@@ -0,0 +1,25 @@
+// Copyright (C) 2021 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.googlesource.gerrit.plugins.multisite.index;
+
+import com.googlesource.gerrit.plugins.multisite.forwarder.events.GroupIndexEvent;
+import java.util.Optional;
+import org.eclipse.jgit.lib.ObjectId;
+
+public interface GroupChecker {
+ boolean isGroupUpToDate(Optional<GroupIndexEvent> groupIndexEvent);
+
+ ObjectId getGroupHead(String groupUUID);
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/GroupCheckerImpl.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/GroupCheckerImpl.java
new file mode 100644
index 0000000..5e2a039
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/GroupCheckerImpl.java
@@ -0,0 +1,102 @@
+// Copyright (C) 2021 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.googlesource.gerrit.plugins.multisite.index;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.reviewdb.client.AccountGroup;
+import com.google.gerrit.reviewdb.client.RefNames;
+import com.google.gerrit.server.config.AllUsersName;
+import com.google.gerrit.server.git.GitRepositoryManager;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import com.googlesource.gerrit.plugins.multisite.forwarder.events.GroupIndexEvent;
+import java.io.IOException;
+import java.util.Optional;
+import org.eclipse.jgit.errors.MissingObjectException;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevWalk;
+
+@Singleton
+class GroupCheckerImpl implements GroupChecker {
+ private static final FluentLogger logger = FluentLogger.forEnclosingClass();
+ private final GitRepositoryManager repoManager;
+ private final AllUsersName allUsers;
+
+ @Inject
+ GroupCheckerImpl(GitRepositoryManager repoManager, AllUsersName allUsers) {
+ this.repoManager = repoManager;
+ this.allUsers = allUsers;
+ }
+
+ @Override
+ public boolean isGroupUpToDate(Optional<GroupIndexEvent> groupIndexEvent) {
+ if (!groupIndexEvent.isPresent()) {
+ logger.atWarning().log("Group Index empty, considering this group up-to-date");
+ return true;
+ }
+ GroupIndexEvent event = groupIndexEvent.get();
+ AccountGroup.UUID groupUUID = new AccountGroup.UUID(event.groupUUID);
+
+ if (event.sha1 == null) {
+ logger.atWarning().log(
+ "Event for group '%s' does not contain sha1, consider group up-to-date for compatibility.",
+ groupUUID);
+ return true;
+ }
+
+ try (Repository repo = repoManager.openRepository(allUsers)) {
+ if (commitExistsInRepo(repo, event.sha1)) {
+ logger.atInfo().log(
+ "Group '%s' up-to-date: sha1 '%s' exists in All-Users", groupUUID, event.sha1);
+ return true;
+ } else {
+ logger.atWarning().log(
+ "Group '%s' NOT up-to-date: sha1 '%s' still missing in All-Users",
+ groupUUID, event.sha1);
+ }
+ } catch (Exception e) {
+ logger.atSevere().withCause(e).log(
+ "Could not check whether Group '%s' is up-to-date", groupUUID);
+ }
+ return false;
+ }
+
+ @Override
+ public ObjectId getGroupHead(String groupUUID) {
+ try (Repository repo = repoManager.openRepository(allUsers)) {
+ return Optional.ofNullable(
+ repo.exactRef(RefNames.refsGroups(new AccountGroup.UUID(groupUUID))))
+ .map(Ref::getObjectId)
+ .orElse(ObjectId.zeroId());
+ } catch (Exception e) {
+ logger.atSevere().withCause(e).log("Fatal: could not get head of group %s.", groupUUID);
+ return ObjectId.zeroId();
+ }
+ }
+
+ @VisibleForTesting
+ boolean commitExistsInRepo(Repository repo, ObjectId sha1) throws IOException {
+ try (RevWalk revWalk = new RevWalk(repo)) {
+ revWalk.parseCommit(sha1);
+ return true;
+ } catch (MissingObjectException e) {
+ logger.atWarning().log("Commit %s does not exist in All-Users", sha1);
+ }
+ return false;
+ }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/IndexEventHandler.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/IndexEventHandler.java
index ed33efa..649074b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/IndexEventHandler.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/IndexEventHandler.java
@@ -44,15 +44,18 @@
private final DynamicSet<IndexEventForwarder> forwarders;
private final Set<IndexTask> queuedTasks = Collections.newSetFromMap(new ConcurrentHashMap<>());
private final ChangeCheckerImpl.Factory changeChecker;
+ private final GroupChecker groupChecker;
@Inject
IndexEventHandler(
@IndexExecutor Executor executor,
DynamicSet<IndexEventForwarder> forwarders,
- ChangeCheckerImpl.Factory changeChecker) {
+ ChangeCheckerImpl.Factory changeChecker,
+ GroupChecker groupChecker) {
this.forwarders = forwarders;
this.executor = executor;
this.changeChecker = changeChecker;
+ this.groupChecker = groupChecker;
}
@Override
@@ -78,7 +81,8 @@
@Override
public void onGroupIndexed(String groupUUID) {
if (!Context.isForwardedEvent()) {
- IndexGroupTask task = new IndexGroupTask(new GroupIndexEvent(groupUUID));
+ IndexGroupTask task =
+ new IndexGroupTask(new GroupIndexEvent(groupUUID, groupChecker.getGroupHead(groupUUID)));
if (queuedTasks.add(task)) {
executor.execute(task);
}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/IndexModule.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/IndexModule.java
index 1f54385..075388f 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/IndexModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/IndexModule.java
@@ -39,6 +39,7 @@
DynamicSet.bind(binder(), ProjectIndexedListener.class).to(IndexEventHandler.class);
bind(ProjectChecker.class).to(ProjectCheckerImpl.class);
+ bind(GroupChecker.class).to(GroupCheckerImpl.class);
install(
new FactoryModuleBuilder()
diff --git a/src/test/java/com/googlesource/gerrit/plugins/multisite/event/IndexEventRouterTest.java b/src/test/java/com/googlesource/gerrit/plugins/multisite/event/IndexEventRouterTest.java
index bf6f043..dd9b20d 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/multisite/event/IndexEventRouterTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/multisite/event/IndexEventRouterTest.java
@@ -34,6 +34,7 @@
import com.googlesource.gerrit.plugins.multisite.forwarder.router.StreamEventRouter;
import com.googlesource.gerrit.plugins.replication.RefReplicationDoneEvent;
import java.util.Optional;
+import org.eclipse.jgit.lib.ObjectId;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
@@ -95,7 +96,7 @@
@Test
public void routerShouldSendEventsToTheAppropriateHandler_GroupIndex() throws Exception {
final String groupId = "12";
- final GroupIndexEvent event = new GroupIndexEvent(groupId);
+ final GroupIndexEvent event = new GroupIndexEvent(groupId, ObjectId.zeroId());
router.route(event);
verify(indexGroupHandler)
diff --git a/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/ForwardedIndexGroupHandlerTest.java b/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/ForwardedIndexGroupHandlerTest.java
index 9013646..b333af0 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/ForwardedIndexGroupHandlerTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/ForwardedIndexGroupHandlerTest.java
@@ -16,6 +16,8 @@
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@@ -24,8 +26,12 @@
import com.google.gerrit.server.index.group.GroupIndexer;
import com.googlesource.gerrit.plugins.multisite.Configuration;
import com.googlesource.gerrit.plugins.multisite.forwarder.ForwardedIndexingHandler.Operation;
+import com.googlesource.gerrit.plugins.multisite.forwarder.events.GroupIndexEvent;
+import com.googlesource.gerrit.plugins.multisite.index.TestGroupChecker;
import java.io.IOException;
import java.util.Optional;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
@@ -40,16 +46,21 @@
@Rule public ExpectedException exception = ExpectedException.none();
@Mock private GroupIndexer indexerMock;
+ @Mock private ScheduledExecutorService indexExecutorMock;
@Mock private Configuration config;
@Mock private Configuration.Index index;
private ForwardedIndexGroupHandler handler;
private String uuid;
+ private static final int RETRY_INTERVAL = 1000;
+ private static final int MAX_TRIES = 2;
@Before
public void setUp() throws Exception {
when(config.index()).thenReturn(index);
when(index.numStripedLocks()).thenReturn(10);
- handler = new ForwardedIndexGroupHandler(indexerMock, config);
+ when(index.retryInterval()).thenReturn(RETRY_INTERVAL);
+ when(index.maxTries()).thenReturn(MAX_TRIES);
+ handler = groupHandler(true);
uuid = "123";
}
@@ -108,4 +119,28 @@
verify(indexerMock).index(new AccountGroup.UUID(uuid));
}
+
+ @Test
+ public void shouldChangeIndexEventWheNotUpToDate() throws IOException {
+ ForwardedIndexGroupHandler groupHandlerWithOutdatedEvent = groupHandler(false);
+ groupHandlerWithOutdatedEvent.index(uuid, Operation.INDEX, groupIndexEvent(uuid));
+ verify(indexerMock).index(new AccountGroup.UUID(uuid));
+ }
+
+ @Test
+ public void shouldRescheduleGroupIndexingWhenItIsNotUpToDate() throws IOException {
+ ForwardedIndexGroupHandler groupHandlerWithOutdatedEvent = groupHandler(false);
+ groupHandlerWithOutdatedEvent.index(uuid, Operation.INDEX, groupIndexEvent(uuid));
+ verify(indexExecutorMock)
+ .schedule(any(Runnable.class), eq(new Long(RETRY_INTERVAL)), eq(TimeUnit.MILLISECONDS));
+ }
+
+ private ForwardedIndexGroupHandler groupHandler(boolean checkIsUpToDate) {
+ return new ForwardedIndexGroupHandler(
+ indexerMock, config, new TestGroupChecker(checkIsUpToDate), indexExecutorMock);
+ }
+
+ private Optional<GroupIndexEvent> groupIndexEvent(String uuid) {
+ return Optional.of(new GroupIndexEvent(uuid, null));
+ }
}
diff --git a/src/test/java/com/googlesource/gerrit/plugins/multisite/index/GroupCheckerImplTest.java b/src/test/java/com/googlesource/gerrit/plugins/multisite/index/GroupCheckerImplTest.java
new file mode 100644
index 0000000..653cffa
--- /dev/null
+++ b/src/test/java/com/googlesource/gerrit/plugins/multisite/index/GroupCheckerImplTest.java
@@ -0,0 +1,126 @@
+// Copyright (C) 2021 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.googlesource.gerrit.plugins.multisite.index;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.doReturn;
+
+import com.google.gerrit.common.Nullable;
+import com.google.gerrit.reviewdb.client.AccountGroup;
+import com.google.gerrit.reviewdb.client.RefNames;
+import com.google.gerrit.server.config.AllUsersName;
+import com.google.gerrit.server.config.AllUsersNameProvider;
+import com.google.gerrit.server.git.GitRepositoryManager;
+import com.googlesource.gerrit.plugins.multisite.forwarder.events.GroupIndexEvent;
+import java.io.IOException;
+import java.util.Optional;
+import java.util.UUID;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.lib.ObjectIdRef;
+import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.lib.RefDatabase;
+import org.eclipse.jgit.lib.Repository;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+@RunWith(MockitoJUnitRunner.class)
+public class GroupCheckerImplTest {
+ ObjectId AN_OBJECT_ID = ObjectId.fromString("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+ AllUsersName allUsers = new AllUsersName(AllUsersNameProvider.DEFAULT);
+
+ GroupCheckerImpl objectUnderTest;
+ @Mock private GitRepositoryManager repoManagerMock;
+ @Mock private RefDatabase refDatabaseMock;
+ @Mock private Repository repoMock;
+
+ @Before
+ public void setUp() throws Exception {
+ doReturn(repoMock).when(repoManagerMock).openRepository(allUsers);
+ doReturn(refDatabaseMock).when(repoMock).getRefDatabase();
+ objectUnderTest = new GroupCheckerImpl(repoManagerMock, allUsers);
+ }
+
+ @Test
+ public void isGroupUpToDate_shouldReturnTrueWhenEventIsEmpty() {
+ assertThat(objectUnderTest.isGroupUpToDate(Optional.empty())).isTrue();
+ }
+
+ @Test
+ public void isGroupUpToDate_shouldReturnFalseWhenSha1DoesNotExistInAllUsers() {
+ setCommitExistsInRepo(false);
+ assertThat(
+ objectUnderTest.isGroupUpToDate(
+ groupIndexEvent(UUID.randomUUID().toString(), AN_OBJECT_ID)))
+ .isFalse();
+ }
+
+ @Test
+ public void isGroupUpToDate_shouldReturnFalseWhenSha1ExistsInAllUsers() {
+ setCommitExistsInRepo(true);
+ assertThat(
+ objectUnderTest.isGroupUpToDate(
+ groupIndexEvent(UUID.randomUUID().toString(), AN_OBJECT_ID)))
+ .isTrue();
+ }
+
+ @Test
+ public void isGroupUpToDate_shouldReturnTrueWhenSha1IsNotDefined() {
+ UUID groupUUID = UUID.randomUUID();
+ setCommitExistsInRepo(true);
+
+ assertThat(objectUnderTest.isGroupUpToDate(groupIndexEvent(groupUUID.toString(), null)))
+ .isTrue();
+ }
+
+ @Test
+ public void getGroupHead_shouldReturnTheExactReValueWhenDefined() throws IOException {
+ UUID groupUUID = UUID.randomUUID();
+ setupExactRefInGroup(groupUUID, AN_OBJECT_ID);
+
+ assertThat(objectUnderTest.getGroupHead(groupUUID.toString())).isEqualTo(AN_OBJECT_ID);
+ }
+
+ @Test
+ public void getGroupHead_shouldReturnObjectIdZeroWhenExactRefIsNull() throws IOException {
+ UUID groupUUID = UUID.randomUUID();
+ setupExactRefInGroup(groupUUID, null);
+
+ assertThat(objectUnderTest.getGroupHead(groupUUID.toString())).isEqualTo(ObjectId.zeroId());
+ }
+
+ private Optional<GroupIndexEvent> groupIndexEvent(String uuid, @Nullable ObjectId sha1) {
+ return Optional.of(new GroupIndexEvent(uuid, sha1));
+ }
+
+ private void setCommitExistsInRepo(boolean commitExists) {
+ objectUnderTest =
+ new GroupCheckerImpl(repoManagerMock, allUsers) {
+ @Override
+ boolean commitExistsInRepo(Repository repo, ObjectId sha1) {
+ return commitExists;
+ }
+ };
+ }
+
+ private void setupExactRefInGroup(UUID groupUUID, @Nullable ObjectId objectId)
+ throws IOException {
+ String groupRefName = RefNames.refsGroups(new AccountGroup.UUID(groupUUID.toString()));
+ ObjectIdRef.Unpeeled aRef = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, groupRefName, objectId);
+ doReturn(objectId == null ? null : aRef).when(refDatabaseMock).exactRef(groupRefName);
+ }
+}
diff --git a/src/test/java/com/googlesource/gerrit/plugins/multisite/index/GroupEventIndexTest.java b/src/test/java/com/googlesource/gerrit/plugins/multisite/index/GroupEventIndexTest.java
new file mode 100644
index 0000000..93cec05
--- /dev/null
+++ b/src/test/java/com/googlesource/gerrit/plugins/multisite/index/GroupEventIndexTest.java
@@ -0,0 +1,45 @@
+// Copyright (C) 2021 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.googlesource.gerrit.plugins.multisite.index;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.gerritforge.gerrit.eventbroker.EventGsonProvider;
+import com.google.gson.Gson;
+import com.googlesource.gerrit.plugins.multisite.forwarder.events.GroupIndexEvent;
+import java.util.UUID;
+import org.eclipse.jgit.lib.ObjectId;
+import org.junit.Test;
+
+public class GroupEventIndexTest {
+ private static final Gson gson = new EventGsonProvider().get();
+
+ @Test
+ public void groupEventIndexRoundTripWithSha1() {
+ String aGroupUUID = UUID.randomUUID().toString();
+ ObjectId anObjectId = ObjectId.fromString("deadbeefdeadbeefdeadbeefdeadbeefdeadbeef");
+ GroupIndexEvent original = new GroupIndexEvent(aGroupUUID, anObjectId);
+
+ assertThat(gson.fromJson(gson.toJson(original), GroupIndexEvent.class)).isEqualTo(original);
+ }
+
+ @Test
+ public void groupEventIndexRoundTripWithoutSha1() {
+ String aGroupUUID = UUID.randomUUID().toString();
+ GroupIndexEvent original = new GroupIndexEvent(aGroupUUID, null);
+
+ assertThat(gson.fromJson(gson.toJson(original), GroupIndexEvent.class)).isEqualTo(original);
+ }
+}
diff --git a/src/test/java/com/googlesource/gerrit/plugins/multisite/index/TestGroupChecker.java b/src/test/java/com/googlesource/gerrit/plugins/multisite/index/TestGroupChecker.java
new file mode 100644
index 0000000..a6c2675
--- /dev/null
+++ b/src/test/java/com/googlesource/gerrit/plugins/multisite/index/TestGroupChecker.java
@@ -0,0 +1,42 @@
+// Copyright (C) 2018 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.googlesource.gerrit.plugins.multisite.index;
+
+import com.googlesource.gerrit.plugins.multisite.forwarder.events.GroupIndexEvent;
+import java.util.Optional;
+import org.eclipse.jgit.lib.ObjectId;
+import org.junit.Ignore;
+
+@Ignore
+public class TestGroupChecker implements GroupChecker {
+
+ private final boolean isUpToDate;
+
+ public TestGroupChecker(boolean isUpToDate) {
+ this.isUpToDate = isUpToDate;
+ }
+
+ private static final String someObjectId = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef";
+
+ @Override
+ public boolean isGroupUpToDate(Optional<GroupIndexEvent> groupIndexEvent) {
+ return isUpToDate;
+ }
+
+ @Override
+ public ObjectId getGroupHead(String groupUUID) {
+ return ObjectId.fromString(someObjectId);
+ }
+}
