| /* |
| * 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 java.util.HashMap; |
| import java.util.Map; |
| |
| import com.google.common.collect.Maps; |
| |
| import org.apache.jackrabbit.oak.api.CommitFailedException; |
| import org.apache.jackrabbit.oak.cache.CacheStats; |
| import org.apache.jackrabbit.oak.plugins.document.LocalDiffCache.Diff; |
| import org.apache.jackrabbit.oak.plugins.document.memory.MemoryDocumentStore; |
| import org.apache.jackrabbit.oak.spi.commit.CommitInfo; |
| import org.apache.jackrabbit.oak.spi.commit.EmptyHook; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.apache.jackrabbit.oak.spi.state.NodeStore; |
| import org.junit.After; |
| import org.junit.Test; |
| |
| import static com.google.common.collect.Maps.newHashMap; |
| import static com.google.common.collect.Sets.newHashSet; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| public class LocalDiffCacheTest { |
| |
| DocumentNodeStore store; |
| |
| @After |
| public void dispose() { |
| if (store != null) { |
| store.dispose(); |
| store = null; |
| } |
| } |
| |
| @Test |
| public void simpleDiff() throws Exception{ |
| TestNodeObserver o = new TestNodeObserver("/"); |
| store = createMK().getNodeStore(); |
| store.addObserver(o); |
| |
| o.reset(); |
| |
| DiffCache cache = store.getDiffCache(); |
| Iterable<CacheStats> stats = cache.getStats(); |
| |
| NodeBuilder builder = store.getRoot().builder(); |
| builder.child("a").child("a2").setProperty("foo", "bar"); |
| builder.child("b"); |
| merge(store, builder); |
| |
| assertTrue(getHitCount(stats) > 0); |
| assertEquals(0, getMissCount(stats)); |
| assertEquals(3, o.added.size()); |
| |
| builder = store.getRoot().builder(); |
| builder.child("a").child("a2").removeProperty("foo"); |
| |
| o.reset(); |
| resetStats(stats); |
| merge(store, builder); |
| |
| assertTrue(getHitCount(stats) > 0); |
| assertEquals(0, getMissCount(stats)); |
| assertEquals(1, o.changed.size()); |
| } |
| |
| @Test |
| public void diffFromAsString() { |
| Map<String, String> changes = Maps.newHashMap(); |
| changes.put("/", "+\"foo\":{}^\"bar\":{}-\"baz\""); |
| changes.put("/foo", ""); |
| changes.put("/bar", "+\"qux\""); |
| changes.put("/bar/qux", ""); |
| Diff diff = new Diff(changes, 0); |
| |
| assertEquals(changes, Diff.fromString(diff.asString()).getChanges()); |
| } |
| |
| @Test |
| public void emptyDiff() throws Exception{ |
| Map<String, String> changes = new HashMap<String, String>(); |
| Diff diff = new Diff(changes, 100); |
| String asString = diff.asString(); |
| Diff diff2 = Diff.fromString(asString); |
| assertEquals(diff, diff2); |
| } |
| |
| private static DocumentNodeState merge(NodeStore store, NodeBuilder builder) |
| throws CommitFailedException { |
| return (DocumentNodeState) store.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY); |
| } |
| |
| private static DocumentMK createMK(){ |
| return create(new MemoryDocumentStore(), 0); |
| } |
| |
| private static DocumentMK create(DocumentStore ds, int clusterId){ |
| return new DocumentMK.Builder() |
| .setAsyncDelay(0) |
| .setDocumentStore(ds) |
| .setClusterId(clusterId) |
| .setPersistentCache("target/persistentCache,time") |
| .open(); |
| } |
| |
| private static long getHitCount(Iterable<CacheStats> stats) { |
| long hitCount = 0; |
| for (CacheStats cs : stats) { |
| hitCount += cs.getHitCount(); |
| } |
| return hitCount; |
| } |
| |
| private static long getMissCount(Iterable<CacheStats> stats) { |
| long missCount = 0; |
| for (CacheStats cs : stats) { |
| missCount += cs.getMissCount(); |
| } |
| return missCount; |
| } |
| |
| private static void resetStats(Iterable<CacheStats> stats) { |
| for (CacheStats cs : stats) { |
| cs.resetStats(); |
| } |
| } |
| } |