mreutegg commented on code in PR #651: URL: https://github.com/apache/jackrabbit-oak/pull/651#discussion_r981036817
########## oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/MongoVersionGCSupportDefaultNoBranchTest.java: ########## @@ -0,0 +1,431 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.jackrabbit.oak.plugins.document; + +import static org.apache.jackrabbit.oak.plugins.document.Collection.NODES; +import static org.apache.jackrabbit.oak.plugins.document.DocumentStoreFixture.MONGO; +import static org.apache.jackrabbit.oak.plugins.document.NodeDocument.SplitDocType.COMMIT_ROOT_ONLY; +import static org.apache.jackrabbit.oak.plugins.document.NodeDocument.SplitDocType.DEFAULT_LEAF; +import static org.apache.jackrabbit.oak.plugins.document.NodeDocument.SplitDocType.DEFAULT_NO_BRANCH; +import static org.apache.jackrabbit.oak.plugins.document.SplitOperations.forDocument; +import static org.apache.jackrabbit.oak.plugins.document.util.Utils.getIdFromPath; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertTrue; + +import java.util.EnumSet; +import java.util.List; +import java.util.Set; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.concurrent.atomic.AtomicReference; + +import org.apache.jackrabbit.oak.api.CommitFailedException; +import org.apache.jackrabbit.oak.commons.PathUtils; +import org.apache.jackrabbit.oak.plugins.document.DocumentMK.Builder; +import org.apache.jackrabbit.oak.plugins.document.DocumentStoreFixture.MongoFixture; +import org.apache.jackrabbit.oak.plugins.document.NodeDocument.SplitDocType; +import org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector.VersionGCStats; +import org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore; +import org.apache.jackrabbit.oak.plugins.document.mongo.MongoTestCollection; +import org.apache.jackrabbit.oak.plugins.document.mongo.MongoTestDatabase; +import org.apache.jackrabbit.oak.plugins.document.mongo.MongoTestUtils; +import org.apache.jackrabbit.oak.plugins.document.mongo.MongoVersionGCSupport; +import org.apache.jackrabbit.oak.plugins.document.util.MongoConnection; +import org.apache.jackrabbit.oak.plugins.document.util.Utils; +import org.apache.jackrabbit.oak.spi.state.NodeBuilder; +import org.apache.jackrabbit.oak.stats.Clock; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; +import org.junit.After; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; + +import com.google.common.base.Function; +import com.google.common.base.Predicate; +import com.google.common.collect.Iterables; +import com.google.common.collect.Iterators; +import com.google.common.collect.Lists; +import com.mongodb.ReadPreference; +import com.mongodb.client.MongoCollection; +import com.mongodb.client.MongoDatabase; + +@RunWith(Parameterized.class) +public class MongoVersionGCSupportDefaultNoBranchTest { + + private static class Stats { + private final VersionGCStats versionGCStats; + private final int nodesDeleteMany; + Stats(VersionGCStats stats, int nodesDeleteMany) { + if (stats == null) { + throw new IllegalArgumentException("stats must not be null"); + } + if (nodesDeleteMany < 0) { + throw new IllegalArgumentException("nodesDeleteMany must be positive"); + } + this.versionGCStats = stats; + this.nodesDeleteMany = nodesDeleteMany; + } + } + + private static Predicate<NodeDocument> splitDocsWithClusterId(final int clusterId) { + return new Predicate<NodeDocument>() { + @Override + public boolean apply(@Nullable NodeDocument doc) { + if (!Utils.isPreviousDocId(doc.getId())) { + return false; + } + Path p = doc.getPath(); + p = p.getAncestor(1); + Revision rev = Revision.fromString(p.getName()); + return rev.getClusterId() == clusterId; + } + }; + } + + private static final Set<NodeDocument.SplitDocType> GC_TYPES = EnumSet.of( + DEFAULT_LEAF, COMMIT_ROOT_ONLY, DEFAULT_NO_BRANCH); + + class MongoVersionGCSupportAccessor extends MongoVersionGCSupport { + + public MongoVersionGCSupportAccessor(MongoDocumentStore store) { + super(store); + } + + protected Iterable<NodeDocument> identifyGarbage(Set<SplitDocType> gcTypes, + RevisionVector sweepRevs, long oldestRevTimeStamp) { + return super.identifyGarbage(gcTypes, sweepRevs, oldestRevTimeStamp); + } + } + // using AbstractTwoNodeTest as a helper rather than subclassing to simplify things + private AbstractTwoNodeTest helper; + private DocumentStoreFixture fixture; + private DocumentStore store1; + private DocumentStore store2; + protected DocumentNodeStore ds1; + protected DocumentNodeStore ds2; + private VersionGCSupport gcSupport1; + private List<String> ids = Lists.newArrayList(); + + private Clock clock; + private AtomicInteger offset = new AtomicInteger(0); + + private final static AtomicInteger nodesDeleteMany = new AtomicInteger(0); + + @Parameterized.Parameters(name="{0}") + public static java.util.Collection<DocumentStoreFixture> fixtures() { + List<DocumentStoreFixture> fixtures = Lists.newArrayList(); + if (MONGO.isAvailable()) { + fixtures.add(new MongoFixture() { + @Override + public DocumentStore createDocumentStore(Builder builder) { + try { + MongoConnection connection = MongoUtils.getConnection(); + connections.add(connection); + MongoDatabase db = connection.getDatabase(); + final AtomicReference<String> noEx = new AtomicReference<>(null); + MongoTestDatabase testDb = new MongoTestDatabase(db, noEx, noEx, noEx) { Review Comment: Could this also go to `CountingMongoDatabase` and `CountingMongoCollection`? -- This is an automated message from the Apache Git Service. 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