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// Copyright (C) 2017 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.git;
import static com.google.common.base.Preconditions.checkState;
import static com.google.common.truth.Truth.assertThat;
import static com.google.gerrit.testing.GerritJUnit.assertThrows;
import com.google.common.collect.ImmutableList;
import java.io.IOException;
import java.util.function.Consumer;
import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
import org.eclipse.jgit.lib.BatchRefUpdate;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.ReceiveCommand;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class RefUpdateUtilTest {
@Test
public void checkBatchRefUpdateResults() throws Exception {
checkResults();
checkResults(RefUpdateUtilTest::ok);
checkResults(RefUpdateUtilTest::ok, RefUpdateUtilTest::ok);
assertIoException(RefUpdateUtilTest::rejected);
assertIoException(RefUpdateUtilTest::ok, RefUpdateUtilTest::rejected);
assertIoException(RefUpdateUtilTest::lockFailure, RefUpdateUtilTest::rejected);
assertIoException(RefUpdateUtilTest::lockFailure, RefUpdateUtilTest::ok);
assertIoException(
RefUpdateUtilTest::lockFailure, RefUpdateUtilTest::rejected, RefUpdateUtilTest::ok);
assertIoException(
RefUpdateUtilTest::lockFailure,
RefUpdateUtilTest::lockFailure,
RefUpdateUtilTest::rejected);
assertIoException(
RefUpdateUtilTest::lockFailure, RefUpdateUtilTest::aborted, RefUpdateUtilTest::rejected);
assertIoException(
RefUpdateUtilTest::lockFailure, RefUpdateUtilTest::aborted, RefUpdateUtilTest::ok);
assertLockFailureException(RefUpdateUtilTest::lockFailure);
assertLockFailureException(RefUpdateUtilTest::lockFailure, RefUpdateUtilTest::lockFailure);
assertLockFailureException(
RefUpdateUtilTest::lockFailure, RefUpdateUtilTest::lockFailure, RefUpdateUtilTest::aborted);
assertLockFailureException(
RefUpdateUtilTest::lockFailure,
RefUpdateUtilTest::lockFailure,
RefUpdateUtilTest::aborted,
RefUpdateUtilTest::aborted);
assertLockFailureException(RefUpdateUtilTest::aborted);
assertLockFailureException(RefUpdateUtilTest::aborted, RefUpdateUtilTest::aborted);
}
@SafeVarargs
private static void checkResults(Consumer<ReceiveCommand>... resultSetters) throws Exception {
RefUpdateUtil.checkResults(newBatchRefUpdate(resultSetters));
}
@SafeVarargs
private static void assertIoException(Consumer<ReceiveCommand>... resultSetters) {
IOException thrown =
assertThrows(
IOException.class, () -> RefUpdateUtil.checkResults(newBatchRefUpdate(resultSetters)));
assertThat(thrown).isNotInstanceOf(LockFailureException.class);
}
@SafeVarargs
private static void assertLockFailureException(Consumer<ReceiveCommand>... resultSetters)
throws Exception {
assertThrows(
LockFailureException.class,
() -> RefUpdateUtil.checkResults(newBatchRefUpdate(resultSetters)));
}
@SafeVarargs
private static BatchRefUpdate newBatchRefUpdate(Consumer<ReceiveCommand>... resultSetters) {
try (Repository repo = new InMemoryRepository(new DfsRepositoryDescription("repo"))) {
BatchRefUpdate bru = repo.getRefDatabase().newBatchUpdate();
for (int i = 0; i < resultSetters.length; i++) {
ReceiveCommand cmd =
new ReceiveCommand(
ObjectId.fromString(String.format("%039x1", i)),
ObjectId.fromString(String.format("%039x2", i)),
"refs/heads/branch" + i);
bru.addCommand(cmd);
resultSetters[i].accept(cmd);
}
return bru;
}
}
private static void ok(ReceiveCommand c) {
c.setResult(ReceiveCommand.Result.OK);
}
private static void lockFailure(ReceiveCommand c) {
c.setResult(ReceiveCommand.Result.LOCK_FAILURE);
}
private static void rejected(ReceiveCommand c) {
c.setResult(ReceiveCommand.Result.REJECTED_OTHER_REASON);
}
private static void aborted(ReceiveCommand c) {
c.setResult(ReceiveCommand.Result.NOT_ATTEMPTED);
ReceiveCommand.abort(ImmutableList.of(c));
checkState(
c.getResult() != ReceiveCommand.Result.NOT_ATTEMPTED
&& c.getResult() != ReceiveCommand.Result.LOCK_FAILURE
&& c.getResult() != ReceiveCommand.Result.OK,
"unexpected state after abort: %s",
c);
}
}
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