| /* |
| * 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.List; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.jackrabbit.oak.plugins.document.memory.MemoryDocumentStore; |
| 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.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import static org.apache.jackrabbit.oak.plugins.document.TestUtils.merge; |
| import static org.hamcrest.Matchers.containsString; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class BackgroundSplitFailureTest { |
| |
| @Rule |
| public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider(); |
| |
| private Clock clock = new Clock.Virtual(); |
| |
| @Before |
| public void before() throws Exception { |
| clock.waitUntil(System.currentTimeMillis()); |
| Revision.setClock(clock); |
| ClusterNodeInfo.setClock(clock); |
| } |
| |
| @AfterClass |
| public static void after() { |
| Revision.resetClockToDefault(); |
| ClusterNodeInfo.resetClockToDefault(); |
| } |
| |
| @Test |
| public void journalException() throws Exception { |
| DocumentStore store = new MemoryDocumentStore(); |
| FailingDocumentStore failingStore = new FailingDocumentStore(store); |
| DocumentNodeStore ns = new DocumentNodeStoreBuilder<>() |
| .setDocumentStore(failingStore).setAsyncDelay(0).clock(clock).build(); |
| int clusterId = ns.getClusterId(); |
| Path fooPath = new Path(Path.ROOT, "foo"); |
| String fooId = Utils.getIdFromPath(fooPath); |
| |
| NodeBuilder builder = ns.getRoot().builder(); |
| builder.child(fooPath.getName()).setProperty("p", -1); |
| merge(ns, builder); |
| for (int i = 0; i <= NodeDocument.NUM_REVS_THRESHOLD; i++) { |
| builder = ns.getRoot().builder(); |
| builder.child(fooPath.getName()).setProperty("p", i); |
| merge(ns, builder); |
| } |
| |
| // shut down without running background ops |
| failingStore.fail().after(0).eternally(); |
| try { |
| ns.dispose(); |
| fail("dispose is expected to fail"); |
| } catch (Exception e) { |
| // expected |
| } |
| |
| // must not have previous documents yet |
| NodeDocument foo = store.find(Collection.NODES, fooId); |
| assertNotNull(foo); |
| assertEquals(0, foo.getPreviousRanges().size()); |
| |
| // start again with test store |
| final AtomicBoolean falseOnJournalEntryCreate = new AtomicBoolean(); |
| DocumentStore testStore = new DocumentStoreWrapper(store) { |
| @Override |
| public <T extends Document> boolean create(Collection<T> collection, |
| List<UpdateOp> updateOps) { |
| if (collection == Collection.JOURNAL |
| && falseOnJournalEntryCreate.get()) { |
| return false; |
| } |
| return super.create(collection, updateOps); |
| } |
| }; |
| ns = builderProvider.newBuilder().setClusterId(clusterId) |
| .setDocumentStore(testStore).setAsyncDelay(0).clock(clock).build(); |
| ns.addSplitCandidate(Utils.getIdFromPath(new Path(Path.ROOT, "foo"))); |
| falseOnJournalEntryCreate.set(true); |
| try { |
| ns.runBackgroundOperations(); |
| fail("background operations are expected to fail"); |
| } catch (DocumentStoreException e) { |
| assertThat(e.getMessage(), containsString("Unable to create journal entry")); |
| } |
| |
| // must still not have previous documents |
| foo = store.find(Collection.NODES, fooId); |
| assertNotNull(foo); |
| assertEquals(0, foo.getPreviousRanges().size()); |
| assertTrue(ns.getSplitCandidates().contains(fooId)); |
| |
| falseOnJournalEntryCreate.set(false); |
| ns.runBackgroundOperations(); |
| |
| // now there must be a split document |
| foo = store.find(Collection.NODES, fooId); |
| assertNotNull(foo); |
| assertEquals(1, foo.getPreviousRanges().size()); |
| assertFalse(ns.getSplitCandidates().contains(fooId)); |
| } |
| } |