| /** |
| * 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.hook; |
| |
| import kafka.utils.ZkUtils; |
| import org.apache.commons.configuration.Configuration; |
| import org.testng.annotations.Test; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| import static org.testng.Assert.assertFalse; |
| import static org.testng.Assert.assertTrue; |
| |
| public class AtlasTopicCreatorTest { |
| |
| @Test |
| public void shouldNotCreateAtlasTopicIfNotConfiguredToDoSo() { |
| |
| Configuration configuration = mock(Configuration.class); |
| when(configuration.getBoolean(AtlasTopicCreator.ATLAS_NOTIFICATION_CREATE_TOPICS_KEY, true)). |
| thenReturn(false); |
| when(configuration.getString("atlas.authentication.method.kerberos")).thenReturn("false"); |
| final boolean[] topicExistsCalled = new boolean[] {false}; |
| AtlasTopicCreator atlasTopicCreator = new AtlasTopicCreator() { |
| @Override |
| protected boolean ifTopicExists(String topicName, ZkUtils zkUtils) { |
| topicExistsCalled[0] = true; |
| return false; |
| } |
| }; |
| atlasTopicCreator.createAtlasTopic(configuration, "ATLAS_HOOK"); |
| assertFalse(topicExistsCalled[0]); |
| } |
| |
| @Test |
| public void shouldNotCreateTopicIfItAlreadyExists() { |
| Configuration configuration = mock(Configuration.class); |
| when(configuration.getBoolean(AtlasTopicCreator.ATLAS_NOTIFICATION_CREATE_TOPICS_KEY, true)). |
| thenReturn(true); |
| when(configuration.getString("atlas.authentication.method.kerberos")).thenReturn("false"); |
| final ZkUtils zookeeperUtils = mock(ZkUtils.class); |
| final boolean[] topicExistsCalled = new boolean[]{false}; |
| final boolean[] createTopicCalled = new boolean[]{false}; |
| |
| AtlasTopicCreator atlasTopicCreator = new AtlasTopicCreator() { |
| @Override |
| protected boolean ifTopicExists(String topicName, ZkUtils zkUtils) { |
| topicExistsCalled[0] = true; |
| return true; |
| } |
| |
| @Override |
| protected ZkUtils createZkUtils(Configuration atlasProperties) { |
| return zookeeperUtils; |
| } |
| |
| @Override |
| protected void createTopic(Configuration atlasProperties, String topicName, ZkUtils zkUtils) { |
| createTopicCalled[0] = true; |
| } |
| }; |
| atlasTopicCreator.createAtlasTopic(configuration, "ATLAS_HOOK"); |
| assertTrue(topicExistsCalled[0]); |
| assertFalse(createTopicCalled[0]); |
| } |
| |
| @Test |
| public void shouldCreateTopicIfItDoesNotExist() { |
| Configuration configuration = mock(Configuration.class); |
| when(configuration.getBoolean(AtlasTopicCreator.ATLAS_NOTIFICATION_CREATE_TOPICS_KEY, true)). |
| thenReturn(true); |
| when(configuration.getString("atlas.authentication.method.kerberos")).thenReturn("false"); |
| final ZkUtils zookeeperUtils = mock(ZkUtils.class); |
| |
| final boolean[] createdTopic = new boolean[]{false}; |
| |
| AtlasTopicCreator atlasTopicCreator = new AtlasTopicCreator() { |
| @Override |
| protected boolean ifTopicExists(String topicName, ZkUtils zkUtils) { |
| return false; |
| } |
| |
| @Override |
| protected ZkUtils createZkUtils(Configuration atlasProperties) { |
| return zookeeperUtils; |
| } |
| |
| @Override |
| protected void createTopic(Configuration atlasProperties, String topicName, ZkUtils zkUtils) { |
| createdTopic[0] = true; |
| } |
| }; |
| atlasTopicCreator.createAtlasTopic(configuration, "ATLAS_HOOK"); |
| assertTrue(createdTopic[0]); |
| } |
| |
| @Test |
| public void shouldNotFailIfExceptionOccursDuringCreatingTopic() { |
| Configuration configuration = mock(Configuration.class); |
| when(configuration.getBoolean(AtlasTopicCreator.ATLAS_NOTIFICATION_CREATE_TOPICS_KEY, true)). |
| thenReturn(true); |
| when(configuration.getString("atlas.authentication.method.kerberos")).thenReturn("false"); |
| final ZkUtils zookeeperUtils = mock(ZkUtils.class); |
| final boolean[] createTopicCalled = new boolean[]{false}; |
| |
| AtlasTopicCreator atlasTopicCreator = new AtlasTopicCreator() { |
| @Override |
| protected boolean ifTopicExists(String topicName, ZkUtils zkUtils) { |
| return false; |
| } |
| |
| @Override |
| protected ZkUtils createZkUtils(Configuration atlasProperties) { |
| return zookeeperUtils; |
| } |
| |
| @Override |
| protected void createTopic(Configuration atlasProperties, String topicName, ZkUtils zkUtils) { |
| createTopicCalled[0] = true; |
| throw new RuntimeException("Simulating failure during creating topic"); |
| } |
| }; |
| atlasTopicCreator.createAtlasTopic(configuration, "ATLAS_HOOK"); |
| assertTrue(createTopicCalled[0]); |
| } |
| |
| @Test |
| public void shouldCreateMultipleTopics() { |
| Configuration configuration = mock(Configuration.class); |
| when(configuration.getBoolean(AtlasTopicCreator.ATLAS_NOTIFICATION_CREATE_TOPICS_KEY, true)). |
| thenReturn(true); |
| when(configuration.getString("atlas.authentication.method.kerberos")).thenReturn("false"); |
| final ZkUtils zookeeperUtils = mock(ZkUtils.class); |
| |
| final Map<String, Boolean> createdTopics = new HashMap<>(); |
| createdTopics.put("ATLAS_HOOK", false); |
| createdTopics.put("ATLAS_ENTITIES", false); |
| |
| AtlasTopicCreator atlasTopicCreator = new AtlasTopicCreator() { |
| |
| @Override |
| protected boolean ifTopicExists(String topicName, ZkUtils zkUtils) { |
| return false; |
| } |
| |
| @Override |
| protected ZkUtils createZkUtils(Configuration atlasProperties) { |
| return zookeeperUtils; |
| } |
| |
| @Override |
| protected void createTopic(Configuration atlasProperties, String topicName, ZkUtils zkUtils) { |
| createdTopics.put(topicName, true); |
| } |
| }; |
| atlasTopicCreator.createAtlasTopic(configuration, "ATLAS_HOOK", "ATLAS_ENTITIES"); |
| assertTrue(createdTopics.get("ATLAS_HOOK")); |
| assertTrue(createdTopics.get("ATLAS_ENTITIES")); |
| } |
| |
| @Test |
| public void shouldCreateTopicEvenIfEarlierOneFails() { |
| Configuration configuration = mock(Configuration.class); |
| when(configuration.getBoolean(AtlasTopicCreator.ATLAS_NOTIFICATION_CREATE_TOPICS_KEY, true)). |
| thenReturn(true); |
| when(configuration.getString("atlas.authentication.method.kerberos")).thenReturn("false"); |
| final ZkUtils zookeeperUtils = mock(ZkUtils.class); |
| |
| final Map<String, Boolean> createdTopics = new HashMap<>(); |
| createdTopics.put("ATLAS_ENTITIES", false); |
| |
| AtlasTopicCreator atlasTopicCreator = new AtlasTopicCreator() { |
| |
| @Override |
| protected boolean ifTopicExists(String topicName, ZkUtils zkUtils) { |
| return false; |
| } |
| |
| @Override |
| protected ZkUtils createZkUtils(Configuration atlasProperties) { |
| return zookeeperUtils; |
| } |
| |
| @Override |
| protected void createTopic(Configuration atlasProperties, String topicName, ZkUtils zkUtils) { |
| if (topicName.equals("ATLAS_HOOK")) { |
| throw new RuntimeException("Simulating failure when creating ATLAS_HOOK topic"); |
| } else { |
| createdTopics.put(topicName, true); |
| } |
| } |
| }; |
| atlasTopicCreator.createAtlasTopic(configuration, "ATLAS_HOOK", "ATLAS_ENTITIES"); |
| assertTrue(createdTopics.get("ATLAS_ENTITIES")); |
| } |
| |
| @Test |
| public void shouldCloseResources() { |
| Configuration configuration = mock(Configuration.class); |
| when(configuration.getBoolean(AtlasTopicCreator.ATLAS_NOTIFICATION_CREATE_TOPICS_KEY, true)). |
| thenReturn(true); |
| when(configuration.getString("atlas.authentication.method.kerberos")).thenReturn("false"); |
| final ZkUtils zookeeperUtils = mock(ZkUtils.class); |
| |
| AtlasTopicCreator atlasTopicCreator = new AtlasTopicCreator() { |
| @Override |
| protected boolean ifTopicExists(String topicName, ZkUtils zkUtils) { |
| return false; |
| } |
| |
| @Override |
| protected ZkUtils createZkUtils(Configuration atlasProperties) { |
| return zookeeperUtils; |
| } |
| |
| @Override |
| protected void createTopic(Configuration atlasProperties, String topicName, ZkUtils zkUtils) { |
| } |
| }; |
| atlasTopicCreator.createAtlasTopic(configuration, "ATLAS_HOOK", "ATLAS_ENTITIES"); |
| |
| verify(zookeeperUtils, times(1)).close(); |
| } |
| |
| @Test |
| public void shouldNotProcessTopicCreationIfSecurityFails() { |
| Configuration configuration = mock(Configuration.class); |
| when(configuration.getBoolean(AtlasTopicCreator.ATLAS_NOTIFICATION_CREATE_TOPICS_KEY, true)). |
| thenReturn(true); |
| final ZkUtils zookeeperUtils = mock(ZkUtils.class); |
| final Map<String, Boolean> createdTopics = new HashMap<>(); |
| createdTopics.put("ATLAS_HOOK", false); |
| createdTopics.put("ATLAS_ENTITIES", false); |
| |
| AtlasTopicCreator atlasTopicCreator = new AtlasTopicCreator() { |
| @Override |
| protected boolean ifTopicExists(String topicName, ZkUtils zkUtils) { |
| return false; |
| } |
| |
| @Override |
| protected ZkUtils createZkUtils(Configuration atlasProperties) { |
| return zookeeperUtils; |
| } |
| |
| @Override |
| protected void createTopic(Configuration atlasProperties, String topicName, ZkUtils zkUtils) { |
| createdTopics.put(topicName, true); |
| } |
| |
| @Override |
| protected boolean handleSecurity(Configuration atlasProperties) { |
| return false; |
| } |
| }; |
| atlasTopicCreator.createAtlasTopic(configuration, "ATLAS_HOOK", "ATLAS_ENTITIES"); |
| assertFalse(createdTopics.get("ATLAS_HOOK")); |
| assertFalse(createdTopics.get("ATLAS_ENTITIES")); |
| } |
| } |