| package org.apache.helix.manager.zk; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.List; |
| |
| import org.apache.helix.AccessOption; |
| import org.apache.helix.PropertyPathBuilder; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.zookeeper.datamodel.ZNRecord; |
| import org.apache.helix.zookeeper.datamodel.ZNRecordUpdater; |
| import org.apache.helix.ZkUnitTestBase; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestWtCacheSyncOpSingleThread extends ZkUnitTestBase { |
| |
| @Test |
| public void testHappyPathZkCacheBaseDataAccessor() { |
| String className = TestHelper.getTestClassName(); |
| String methodName = TestHelper.getTestMethodName(); |
| String clusterName = className + "_" + methodName; |
| System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| |
| // init zkCacheDataAccessor |
| String curStatePath = PropertyPathBuilder.instanceCurrentState(clusterName, "localhost_8901"); |
| String extViewPath = PropertyPathBuilder.externalView(clusterName); |
| |
| ZkBaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<>(_gZkClient); |
| |
| baseAccessor.create(curStatePath, null, AccessOption.PERSISTENT); |
| |
| List<String> cachePaths = Arrays.asList(curStatePath, extViewPath); |
| ZkCacheBaseDataAccessor<ZNRecord> accessor = |
| new ZkCacheBaseDataAccessor<>(baseAccessor, null, cachePaths, null); |
| |
| boolean ret = TestHelper.verifyZkCache(cachePaths, accessor._wtCache._cache, _gZkClient, true); |
| Assert.assertTrue(ret, "wtCache doesn't match data on Zk"); |
| |
| // create 10 current states |
| for (int i = 0; i < 10; i++) { |
| String path = curStatePath + "/session_0/TestDB" + i; |
| boolean success = accessor.create(path, new ZNRecord("TestDB" + i), AccessOption.PERSISTENT); |
| Assert.assertTrue(success, "Should succeed in create: " + path); |
| } |
| |
| // verify wtCache |
| // TestHelper.printCache(accessor._wtCache); |
| ret = TestHelper.verifyZkCache(cachePaths, accessor._wtCache._cache, _gZkClient, false); |
| Assert.assertTrue(ret, "wtCache doesn't match data on Zk"); |
| |
| // update each current state 10 times, single thread |
| for (int i = 0; i < 10; i++) { |
| String path = curStatePath + "/session_0/TestDB" + i; |
| for (int j = 0; j < 10; j++) { |
| ZNRecord newRecord = new ZNRecord("TestDB" + i); |
| newRecord.setSimpleField("" + j, "" + j); |
| boolean success = |
| accessor.update(path, new ZNRecordUpdater(newRecord), AccessOption.PERSISTENT); |
| Assert.assertTrue(success, "Should succeed in update: " + path); |
| |
| } |
| } |
| |
| // verify cache |
| // TestHelper.printCache(accessor._wtCache._cache); |
| ret = TestHelper.verifyZkCache(cachePaths, accessor._wtCache._cache, _gZkClient, false); |
| Assert.assertTrue(ret, "wtCache doesn't match data on Zk"); |
| |
| // set 10 external views |
| for (int i = 0; i < 10; i++) { |
| String path = PropertyPathBuilder.externalView(clusterName, "TestDB" + i); |
| boolean success = accessor.set(path, new ZNRecord("TestDB" + i), AccessOption.PERSISTENT); |
| Assert.assertTrue(success, "Should succeed in set: " + path); |
| } |
| |
| // verify wtCache |
| // accessor.printWtCache(); |
| ret = TestHelper.verifyZkCache(cachePaths, accessor._wtCache._cache, _gZkClient, false); |
| Assert.assertTrue(ret, "wtCache doesn't match data on Zk"); |
| |
| // get 10 external views |
| for (int i = 0; i < 10; i++) { |
| String path = PropertyPathBuilder.externalView(clusterName, "TestDB" + i); |
| ZNRecord record = accessor.get(path, null, 0); |
| Assert.assertEquals(record.getId(), "TestDB" + i); |
| } |
| |
| // getChildNames |
| List<String> childNames = accessor.getChildNames(extViewPath, 0); |
| // System.out.println(childNames); |
| Assert.assertEquals(childNames.size(), 10, "Should contain only: TestDB0-9"); |
| for (int i = 0; i < 10; i++) { |
| Assert.assertTrue(childNames.contains("TestDB" + i)); |
| } |
| |
| // exists |
| for (int i = 0; i < 10; i++) { |
| String path = PropertyPathBuilder.instanceCurrentState(clusterName, "localhost_8901", |
| "session_0", "TestDB" + i); |
| |
| Assert.assertTrue(accessor.exists(path, 0)); |
| } |
| |
| deleteCluster(clusterName); |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| } |
| |
| @Test |
| public void testCreateFailZkCacheBaseDataAccessor() { |
| String className = TestHelper.getTestClassName(); |
| String methodName = TestHelper.getTestMethodName(); |
| String clusterName = className + "_" + methodName; |
| System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| |
| // init zkCacheDataAccessor |
| String curStatePath = PropertyPathBuilder.instanceCurrentState(clusterName, "localhost_8901"); |
| |
| ZkBaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<>(_gZkClient); |
| |
| ZkCacheBaseDataAccessor<ZNRecord> accessor = new ZkCacheBaseDataAccessor<>(baseAccessor, null, |
| Collections.singletonList(curStatePath), null); |
| |
| // create 10 current states |
| for (int i = 0; i < 10; i++) { |
| String path = PropertyPathBuilder.instanceCurrentState(clusterName, "localhost_8901", |
| "session_1", "TestDB" + i); |
| boolean success = accessor.create(path, new ZNRecord("TestDB" + i), AccessOption.PERSISTENT); |
| Assert.assertTrue(success, "Should succeed in create: " + path); |
| } |
| |
| // create same 10 current states again, should fail |
| for (int i = 0; i < 10; i++) { |
| String path = PropertyPathBuilder.instanceCurrentState(clusterName, "localhost_8901", |
| "session_1", "TestDB" + i); |
| boolean success = accessor.create(path, new ZNRecord("TestDB" + i), AccessOption.PERSISTENT); |
| Assert.assertFalse(success, "Should fail in create due to NodeExists: " + path); |
| } |
| |
| deleteCluster(clusterName); |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| } |
| } |