| /** |
| * 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.atlas.web.service; |
| |
| import org.apache.atlas.ha.HAConfiguration; |
| import org.apache.commons.configuration.Configuration; |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.api.CreateBuilder; |
| import org.apache.curator.framework.api.ExistsBuilder; |
| import org.apache.curator.framework.api.GetDataBuilder; |
| import org.apache.curator.framework.api.SetDataBuilder; |
| import org.apache.zookeeper.CreateMode; |
| import org.apache.zookeeper.ZooDefs; |
| import org.apache.zookeeper.data.ACL; |
| import org.apache.zookeeper.data.Id; |
| import org.apache.zookeeper.data.Stat; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| import org.testng.annotations.BeforeTest; |
| import org.testng.annotations.Test; |
| import scala.actors.threadpool.Arrays; |
| |
| import java.nio.charset.Charset; |
| |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertNull; |
| |
| public class ActiveInstanceStateTest { |
| |
| private static final String HOST_PORT = "127.0.0.1:21000"; |
| public static final String SERVER_ADDRESS = "http://" + HOST_PORT; |
| @Mock |
| private Configuration configuration; |
| |
| @Mock |
| private CuratorFactory curatorFactory; |
| |
| @Mock |
| private CuratorFramework curatorFramework; |
| |
| @BeforeTest |
| public void setup() { |
| MockitoAnnotations.initMocks(this); |
| } |
| |
| @Test |
| public void testSharedPathIsCreatedIfNotExists() throws Exception { |
| |
| when(configuration.getString(HAConfiguration.ATLAS_SERVER_ADDRESS_PREFIX +"id1")).thenReturn(HOST_PORT); |
| when(configuration.getString( |
| HAConfiguration.ATLAS_SERVER_HA_ZK_ROOT_KEY, HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT)). |
| thenReturn(HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT); |
| |
| when(curatorFactory.clientInstance()).thenReturn(curatorFramework); |
| |
| ExistsBuilder existsBuilder = mock(ExistsBuilder.class); |
| when(curatorFramework.checkExists()).thenReturn(existsBuilder); |
| when(existsBuilder.forPath(getPath())).thenReturn(null); |
| |
| CreateBuilder createBuilder = mock(CreateBuilder.class); |
| when(curatorFramework.create()).thenReturn(createBuilder); |
| when(createBuilder.withMode(CreateMode.EPHEMERAL)).thenReturn(createBuilder); |
| when(createBuilder.withACL(ZooDefs.Ids.OPEN_ACL_UNSAFE)).thenReturn(createBuilder); |
| |
| SetDataBuilder setDataBuilder = mock(SetDataBuilder.class); |
| when(curatorFramework.setData()).thenReturn(setDataBuilder); |
| |
| ActiveInstanceState activeInstanceState = new ActiveInstanceState(configuration, curatorFactory); |
| activeInstanceState.update("id1"); |
| |
| verify(createBuilder).forPath(getPath()); |
| } |
| |
| private String getPath() { |
| return HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT |
| + ActiveInstanceState.APACHE_ATLAS_ACTIVE_SERVER_INFO; |
| } |
| |
| @Test |
| public void testSharedPathIsCreatedWithRightACLIfNotExists() throws Exception { |
| |
| when(configuration.getString(HAConfiguration.ATLAS_SERVER_ADDRESS_PREFIX +"id1")).thenReturn(HOST_PORT); |
| when(configuration.getString(HAConfiguration.HA_ZOOKEEPER_ACL)).thenReturn("sasl:myclient@EXAMPLE.COM"); |
| when(configuration.getString( |
| HAConfiguration.ATLAS_SERVER_HA_ZK_ROOT_KEY, HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT)). |
| thenReturn(HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT); |
| |
| |
| when(curatorFactory.clientInstance()).thenReturn(curatorFramework); |
| |
| ExistsBuilder existsBuilder = mock(ExistsBuilder.class); |
| when(curatorFramework.checkExists()).thenReturn(existsBuilder); |
| when(existsBuilder.forPath(getPath())).thenReturn(null); |
| |
| CreateBuilder createBuilder = mock(CreateBuilder.class); |
| when(curatorFramework.create()).thenReturn(createBuilder); |
| when(createBuilder.withMode(CreateMode.EPHEMERAL)).thenReturn(createBuilder); |
| ACL expectedAcl = new ACL(ZooDefs.Perms.ALL, new Id("sasl", "myclient@EXAMPLE.COM")); |
| when(createBuilder. |
| withACL(Arrays.asList(new ACL[]{expectedAcl}))).thenReturn(createBuilder); |
| |
| SetDataBuilder setDataBuilder = mock(SetDataBuilder.class); |
| when(curatorFramework.setData()).thenReturn(setDataBuilder); |
| |
| ActiveInstanceState activeInstanceState = new ActiveInstanceState(configuration, curatorFactory); |
| activeInstanceState.update("id1"); |
| |
| verify(createBuilder).forPath(getPath()); |
| } |
| |
| @Test |
| public void testDataIsUpdatedWithAtlasServerAddress() throws Exception { |
| when(configuration.getString(HAConfiguration.ATLAS_SERVER_ADDRESS_PREFIX +"id1")).thenReturn(HOST_PORT); |
| when(configuration.getString( |
| HAConfiguration.ATLAS_SERVER_HA_ZK_ROOT_KEY, HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT)). |
| thenReturn(HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT); |
| |
| |
| when(curatorFactory.clientInstance()).thenReturn(curatorFramework); |
| ExistsBuilder existsBuilder = mock(ExistsBuilder.class); |
| when(curatorFramework.checkExists()).thenReturn(existsBuilder); |
| when(existsBuilder.forPath(getPath())).thenReturn(new Stat()); |
| |
| SetDataBuilder setDataBuilder = mock(SetDataBuilder.class); |
| when(curatorFramework.setData()).thenReturn(setDataBuilder); |
| |
| ActiveInstanceState activeInstanceState = new ActiveInstanceState(configuration, curatorFactory); |
| activeInstanceState.update("id1"); |
| |
| verify(setDataBuilder).forPath( |
| getPath(), |
| SERVER_ADDRESS.getBytes(Charset.forName("UTF-8"))); |
| } |
| |
| @Test |
| public void testShouldReturnActiveServerAddress() throws Exception { |
| when(curatorFactory.clientInstance()).thenReturn(curatorFramework); |
| when(configuration.getString( |
| HAConfiguration.ATLAS_SERVER_HA_ZK_ROOT_KEY, HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT)). |
| thenReturn(HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT); |
| |
| |
| GetDataBuilder getDataBuilder = mock(GetDataBuilder.class); |
| when(curatorFramework.getData()).thenReturn(getDataBuilder); |
| when(getDataBuilder.forPath(getPath())). |
| thenReturn(SERVER_ADDRESS.getBytes(Charset.forName("UTF-8"))); |
| |
| ActiveInstanceState activeInstanceState = new ActiveInstanceState(configuration, curatorFactory); |
| String actualServerAddress = activeInstanceState.getActiveServerAddress(); |
| |
| assertEquals(SERVER_ADDRESS, actualServerAddress); |
| } |
| |
| @Test |
| public void testShouldHandleExceptionsInFetchingServerAddress() throws Exception { |
| when(curatorFactory.clientInstance()).thenReturn(curatorFramework); |
| when(configuration.getString( |
| HAConfiguration.ATLAS_SERVER_HA_ZK_ROOT_KEY, HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT)). |
| thenReturn(HAConfiguration.ATLAS_SERVER_ZK_ROOT_DEFAULT); |
| |
| |
| GetDataBuilder getDataBuilder = mock(GetDataBuilder.class); |
| when(curatorFramework.getData()).thenReturn(getDataBuilder); |
| when(getDataBuilder.forPath(getPath())). |
| thenThrow(new Exception()); |
| |
| ActiveInstanceState activeInstanceState = new ActiveInstanceState(configuration, curatorFactory); |
| assertNull(activeInstanceState.getActiveServerAddress()); |
| } |
| } |