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// Copyright (C) 2019 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.git.receive.testing;
import static com.google.common.collect.ImmutableList.toImmutableList;
import com.google.auto.value.AutoValue;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Splitter;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.StreamSupport;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.RefAdvertiser;
/** Helper to collect advertised refs and additonal haves and verify them in tests. */
public class TestRefAdvertiser extends RefAdvertiser {
@VisibleForTesting
@AutoValue
public abstract static class Result {
public abstract Map<String, Ref> allRefs();
public abstract Set<ObjectId> additionalHaves();
public static Result create(Map<String, Ref> allRefs, Set<ObjectId> additionalHaves) {
return new AutoValue_TestRefAdvertiser_Result(allRefs, additionalHaves);
}
}
private final Map<String, Ref> advertisedRefs;
private final Set<ObjectId> additionalHaves;
private final Repository repo;
public TestRefAdvertiser(Repository repo) {
advertisedRefs = new HashMap<>();
additionalHaves = new HashSet<>();
this.repo = repo;
}
@Override
protected void writeOne(CharSequence line) throws IOException {
List<String> lineParts =
StreamSupport.stream(Splitter.on(' ').split(line).spliterator(), false)
.map(String::trim)
.collect(toImmutableList());
if (".have".equals(lineParts.get(1))) {
additionalHaves.add(ObjectId.fromString(lineParts.get(0)));
} else {
ObjectId id = ObjectId.fromString(lineParts.get(0));
Ref ref =
repo.getRefDatabase().getRefs().stream()
.filter(r -> r.getObjectId().equals(id))
.findAny()
.orElseThrow(
() ->
new RuntimeException(
line.toString() + " does not conform to expected pattern"));
advertisedRefs.put(lineParts.get(1), ref);
}
}
@Override
protected void end() {}
public Result result() {
return Result.create(advertisedRefs, additionalHaves);
}
}
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