| /* |
| * 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.cassandra.db.commitlog; |
| |
| |
| import org.apache.cassandra.Util; |
| import org.apache.cassandra.utils.concurrent.Condition; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.apache.cassandra.CassandraIsolatedJunit4ClassRunner; |
| import org.apache.cassandra.config.Config; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.utils.JVMStabilityInspector; |
| |
| |
| @RunWith(CassandraIsolatedJunit4ClassRunner.class) |
| public class CommitLogInitWithExceptionTest |
| { |
| private static Thread initThread; |
| private final static Condition killed = Condition.newOneTimeCondition(); |
| @BeforeClass |
| public static void setUp() |
| { |
| DatabaseDescriptor.daemonInitialization(); |
| |
| if (DatabaseDescriptor.getDiskFailurePolicy() == Config.DiskFailurePolicy.die || |
| DatabaseDescriptor.getDiskFailurePolicy() == Config.DiskFailurePolicy.ignore) |
| { |
| DatabaseDescriptor.setDiskFailurePolicy(Config.DiskFailurePolicy.stop); |
| } |
| |
| DatabaseDescriptor.setCommitLogSegmentMgrProvider(c -> new MockCommitLogSegmentMgr(c, DatabaseDescriptor.getCommitLogLocation())); |
| |
| JVMStabilityInspector.killerHook = (t) -> { |
| Assert.assertEquals("MOCK EXCEPTION: createSegment", t.getMessage()); |
| |
| try |
| { |
| // Avoid JVM exit. The JVM still needs to run other junit tests. |
| return false; |
| } |
| finally |
| { |
| killed.signal(); |
| } |
| }; |
| } |
| |
| @Test |
| public void testCommitLogInitWithException() { |
| // This line will trigger initialization process because it's the first time to access CommitLog class. |
| initThread = new Thread(CommitLog.instance::start); |
| |
| initThread.setName("initThread"); |
| initThread.start(); |
| |
| Util.spinAssertEquals(true, killed::isSignalled, 10); |
| } |
| |
| private static class MockCommitLogSegmentMgr extends CommitLogSegmentManagerStandard { |
| |
| public MockCommitLogSegmentMgr(CommitLog commitLog, String storageDirectory) |
| { |
| super(commitLog, storageDirectory); |
| } |
| |
| @Override |
| public CommitLogSegment createSegment() |
| { |
| throw new RuntimeException("MOCK EXCEPTION: createSegment"); |
| } |
| } |
| |
| } |