| /** |
| * 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.distributedlog.zk; |
| |
| import org.apache.distributedlog.ZooKeeperClient; |
| import org.apache.distributedlog.exceptions.DLIllegalStateException; |
| import org.apache.zookeeper.KeeperException; |
| import org.apache.zookeeper.Op; |
| import org.apache.zookeeper.OpResult; |
| import org.junit.Test; |
| |
| import java.util.concurrent.CountDownLatch; |
| import javax.annotation.Nullable; |
| |
| import static org.junit.Assert.*; |
| import static org.mockito.Mockito.*; |
| |
| /** |
| * Test Case for zookeeper transaction |
| */ |
| public class TestZKTransaction { |
| |
| static class CountDownZKOp extends ZKOp { |
| |
| final CountDownLatch commitLatch; |
| final CountDownLatch abortLatch; |
| |
| CountDownZKOp(CountDownLatch commitLatch, |
| CountDownLatch abortLatch) { |
| super(mock(Op.class)); |
| this.commitLatch = commitLatch; |
| this.abortLatch = abortLatch; |
| } |
| |
| @Override |
| protected void commitOpResult(OpResult opResult) { |
| this.commitLatch.countDown(); |
| } |
| |
| @Override |
| protected void abortOpResult(Throwable t, @Nullable OpResult opResult) { |
| this.abortLatch.countDown(); |
| } |
| } |
| |
| @Test(timeout = 60000) |
| public void testProcessNullResults() throws Exception { |
| ZooKeeperClient zkc = mock(ZooKeeperClient.class); |
| ZKTransaction transaction = new ZKTransaction(zkc); |
| int numOps = 3; |
| final CountDownLatch commitLatch = new CountDownLatch(numOps); |
| final CountDownLatch abortLatch = new CountDownLatch(numOps); |
| for (int i = 0; i < numOps; i++) { |
| transaction.addOp(new CountDownZKOp(commitLatch, abortLatch)); |
| } |
| transaction.processResult( |
| KeeperException.Code.CONNECTIONLOSS.intValue(), |
| "test-path", |
| null, |
| null); |
| abortLatch.await(); |
| assertEquals(0, abortLatch.getCount()); |
| assertEquals(numOps, commitLatch.getCount()); |
| } |
| |
| @Test(timeout = 60000) |
| public void testAbortTransaction() throws Exception { |
| ZooKeeperClient zkc = mock(ZooKeeperClient.class); |
| ZKTransaction transaction = new ZKTransaction(zkc); |
| int numOps = 3; |
| final CountDownLatch commitLatch = new CountDownLatch(numOps); |
| final CountDownLatch abortLatch = new CountDownLatch(numOps); |
| for (int i = 0; i < numOps; i++) { |
| transaction.addOp(new CountDownZKOp(commitLatch, abortLatch)); |
| } |
| transaction.abort(new DLIllegalStateException("Illegal State")); |
| abortLatch.await(); |
| assertEquals(0, abortLatch.getCount()); |
| assertEquals(numOps, commitLatch.getCount()); |
| } |
| |
| } |