| package org.apache.helix.integration.manager; |
| |
| /* |
| * 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.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| import org.apache.helix.BaseDataAccessor; |
| import org.apache.helix.HelixDataAccessor; |
| import org.apache.helix.HelixProperty; |
| import org.apache.helix.PropertyKey; |
| import org.apache.helix.zookeeper.datamodel.ZNRecord; |
| import org.apache.helix.api.exceptions.HelixMetaDataAccessException; |
| import org.apache.helix.common.ZkTestBase; |
| import org.apache.helix.controller.dataproviders.ResourceControllerDataProvider; |
| import org.apache.helix.manager.zk.ZKHelixDataAccessor; |
| import org.apache.helix.manager.zk.ZkBaseDataAccessor; |
| import org.apache.helix.mock.MockZkClient; |
| import org.testng.Assert; |
| import org.testng.annotations.AfterClass; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| public class TestHelixDataAccessor extends ZkTestBase { |
| private MockZkClient _zkClient; |
| private HelixDataAccessor accessor; |
| private List<PropertyKey> propertyKeys; |
| |
| @BeforeClass |
| public void beforeClass() { |
| _zkClient = new MockZkClient(ZK_ADDR); |
| |
| BaseDataAccessor<ZNRecord> baseDataAccessor = new ZkBaseDataAccessor<>(_zkClient); |
| accessor = new ZKHelixDataAccessor("HELIX", baseDataAccessor); |
| |
| Map<String, HelixProperty> paths = new TreeMap<>(); |
| propertyKeys = new ArrayList<>(); |
| for (int i = 0; i < 5; i++) { |
| PropertyKey key = accessor.keyBuilder().idealStates("RESOURCE" + i); |
| propertyKeys.add(key); |
| paths.put(key.getPath(), new HelixProperty("RESOURCE" + i)); |
| accessor.setProperty(key, paths.get(key.getPath())); |
| } |
| |
| List<HelixProperty> data = accessor.getProperty(new ArrayList<>(propertyKeys), true); |
| Assert.assertEquals(data.size(), 5); |
| |
| PropertyKey key = accessor.keyBuilder().idealStates("RESOURCE6"); |
| propertyKeys.add(key); |
| _zkClient.putData(key.getPath(), null); |
| } |
| |
| @AfterClass |
| public void afterClass() { |
| _zkClient.deleteRecursively("/HELIX"); |
| } |
| |
| @Test |
| public void testHelixDataAccessorReadData() { |
| accessor.getProperty(new ArrayList<>(propertyKeys), false); |
| try { |
| accessor.getProperty(new ArrayList<>(propertyKeys), true); |
| Assert.fail(); |
| } catch (HelixMetaDataAccessException ignored) { |
| } |
| |
| PropertyKey idealStates = accessor.keyBuilder().idealStates(); |
| accessor.getChildValues(idealStates, false); |
| try { |
| accessor.getChildValues(idealStates, true); |
| Assert.fail(); |
| } catch (HelixMetaDataAccessException ignored) { |
| } |
| |
| accessor.getChildValuesMap(idealStates, false); |
| try { |
| accessor.getChildValuesMap(idealStates, true); |
| Assert.fail(); |
| } catch (HelixMetaDataAccessException ignored) { |
| } |
| } |
| |
| @Test(expectedExceptions = { |
| HelixMetaDataAccessException.class |
| }) |
| public void testDataProviderRefresh() { |
| ResourceControllerDataProvider cache = new ResourceControllerDataProvider("MyCluster"); |
| cache.refresh(accessor); |
| } |
| } |