| package org.apache.helix.model; |
| |
| /* |
| * 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.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.helix.HelixException; |
| import org.testng.Assert; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| |
| public class TestClusterTrie { |
| private ClusterTrie _trie; |
| |
| final List<String> _instanceNames = new ArrayList<>(); |
| final Map<String, InstanceConfig> _instanceConfigMap = new HashMap<>(); |
| private ClusterConfig _clusterConfig; |
| final int _numOfNodes = 40; |
| |
| @BeforeClass |
| public void beforeClass() { |
| for (int i = 0; i < _numOfNodes; i++) { |
| _instanceNames.add(String.valueOf(i)); |
| } |
| createClusterConfig(); |
| createInstanceConfigMap(); |
| } |
| |
| @Test |
| public void testConstructionMissingInstanceConfigMap() { |
| Map<String, InstanceConfig> emptyMap = new HashMap<>(); |
| try { |
| new ClusterTrie(_instanceNames, emptyMap, _clusterConfig); |
| Assert.fail("Expecting instance config not found exception"); |
| } catch (HelixException e) { |
| Assert.assertTrue(e.getMessage().contains("is not found!")); |
| } |
| } |
| |
| @Test |
| public void testConstructionMissingTopology() { |
| _clusterConfig.setTopology(null); |
| try { |
| new ClusterTrie(_instanceNames, _instanceConfigMap, _clusterConfig); |
| Assert.fail("Expecting topology not set exception"); |
| } catch (HelixException e) { |
| Assert.assertTrue(e.getMessage().contains("is invalid!")); |
| } |
| _clusterConfig.setTopology("/group/zone/rack/host"); |
| } |
| |
| @Test |
| public void testConstructionInvalidTopology() { |
| _clusterConfig.setTopology("invalidTopology"); |
| try { |
| new ClusterTrie(_instanceNames, _instanceConfigMap, _clusterConfig); |
| Assert.fail("Expecting topology invalid exception"); |
| } catch (HelixException e) { |
| Assert.assertTrue(e.getMessage().contains("is invalid!")); |
| } |
| _clusterConfig.setTopology("/group/zone/rack/host"); |
| } |
| |
| @Test |
| public void testConstructionNormal() { |
| try { |
| _trie = new ClusterTrie(_instanceNames, _instanceConfigMap, _clusterConfig); |
| } catch (HelixException e) { |
| Assert.fail("Not expecting HelixException"); |
| } |
| } |
| |
| @Test |
| public void testConstructionNormalWithSpace() { |
| _clusterConfig.setTopology("/ group/ zone/rack/host"); |
| try { |
| _trie = new ClusterTrie(_instanceNames, _instanceConfigMap, _clusterConfig); |
| } catch (HelixException e) { |
| Assert.fail("Not expecting HelixException"); |
| } |
| String[] topologyDef = _trie.getTopologyKeys(); |
| Assert.assertEquals(topologyDef[0], "group"); |
| Assert.assertEquals(topologyDef[1], "zone"); |
| _clusterConfig.setTopology("/group/zone/rack/host"); |
| } |
| |
| @Test |
| public void testConstructionNormalWithInvalidConfig() { |
| String instance = "invalidInstance"; |
| InstanceConfig config = new InstanceConfig(instance); |
| config.setDomain(String.format("invaliddomain=%s, zone=%s, rack=%s, host=%s", 1, 2, 3, 4)); |
| _instanceConfigMap.put(instance, config); |
| try { |
| _trie = new ClusterTrie(_instanceNames, _instanceConfigMap, _clusterConfig); |
| } catch (HelixException e) { |
| Assert.fail("Not expecting HelixException"); |
| } |
| Assert.assertEquals(_trie.getInvalidInstances().size(), 1); |
| Assert.assertEquals(_trie.getInvalidInstances().get(0), instance ); |
| _instanceConfigMap.remove(instance); |
| } |
| |
| private void createInstanceConfigMap() { |
| for (int i = 0; i < _instanceNames.size(); i++) { |
| String instance = _instanceNames.get(i); |
| InstanceConfig config = new InstanceConfig(instance); |
| // create 2 groups, 4 zones, and 4 racks. |
| config.setDomain(String.format("group=%s, zone=%s, rack=%s, host=%s", i % (_numOfNodes / 10), |
| i % (_numOfNodes / 5), i % (_numOfNodes / 5), instance)); |
| _instanceConfigMap.put(instance, config); |
| } |
| } |
| |
| private void createClusterConfig() { |
| _clusterConfig = new ClusterConfig("test"); |
| _clusterConfig.setTopologyAwareEnabled(true); |
| _clusterConfig.setTopology("/group/zone/rack/host"); |
| _clusterConfig.setFaultZoneType("rack"); |
| } |
| } |