| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hive.bridge; |
| |
| import org.apache.atlas.AtlasClient; |
| import org.apache.atlas.hive.HiveITBase; |
| import org.apache.atlas.hive.model.HiveDataTypes; |
| import org.apache.atlas.model.instance.AtlasEntity; |
| import org.apache.atlas.model.instance.AtlasObjectId; |
| import org.testng.annotations.Test; |
| |
| import java.util.List; |
| |
| import static org.testng.Assert.assertEquals; |
| |
| public class HiveMetastoreBridgeIT extends HiveITBase { |
| |
| @Test |
| public void testCreateTableAndImport() throws Exception { |
| String tableName = tableName(); |
| String pFile = createTestDFSPath("parentPath"); |
| String query = String.format("create EXTERNAL table %s(id string, cnt int) location '%s'", tableName, pFile); |
| |
| runCommand(query); |
| |
| String dbId = assertDatabaseIsRegistered(DEFAULT_DB); |
| String tableId = assertTableIsRegistered(DEFAULT_DB, tableName); |
| |
| //verify lineage is created |
| String processId = assertEntityIsRegistered(HiveDataTypes.HIVE_PROCESS.getName(), AtlasClient.REFERENCEABLE_ATTRIBUTE_NAME, getTableProcessQualifiedName(DEFAULT_DB, tableName), null); |
| AtlasEntity processsEntity = atlasClientV2.getEntityByGuid(processId).getEntity(); |
| |
| validateHDFSPaths(processsEntity, INPUTS, pFile); |
| |
| List<AtlasObjectId> outputs = toAtlasObjectIdList(processsEntity.getAttribute(OUTPUTS)); |
| |
| assertEquals(outputs.size(), 1); |
| assertEquals(outputs.get(0).getGuid(), tableId); |
| |
| int tableCount = atlasClient.listEntities(HiveDataTypes.HIVE_TABLE.getName()).size(); |
| |
| //Now import using import tool - should be no-op. This also tests update since table exists |
| AtlasEntity dbEntity = atlasClientV2.getEntityByGuid(dbId).getEntity(); |
| |
| hiveMetaStoreBridge.importTable(dbEntity, DEFAULT_DB, tableName, true); |
| |
| String tableId2 = assertTableIsRegistered(DEFAULT_DB, tableName); |
| assertEquals(tableId2, tableId); |
| |
| String processId2 = assertEntityIsRegistered(HiveDataTypes.HIVE_PROCESS.getName(), AtlasClient.REFERENCEABLE_ATTRIBUTE_NAME, getTableProcessQualifiedName(DEFAULT_DB, tableName), null); |
| assertEquals(processId2, processId); |
| |
| //assert that table is de-duped and no new entity is created |
| int newTableCount = atlasClient.listEntities(HiveDataTypes.HIVE_TABLE.getName()).size(); |
| assertEquals(newTableCount, tableCount); |
| } |
| |
| @Test |
| public void testImportCreatedTable() throws Exception { |
| String tableName = tableName(); |
| String pFile = createTestDFSPath("parentPath"); |
| |
| runCommand(driverWithoutContext, String.format("create EXTERNAL table %s(id string) location '%s'", tableName, pFile)); |
| |
| String dbId = assertDatabaseIsRegistered(DEFAULT_DB); |
| |
| AtlasEntity dbEntity = atlasClientV2.getEntityByGuid(dbId).getEntity(); |
| |
| hiveMetaStoreBridge.importTable(dbEntity, DEFAULT_DB, tableName, true); |
| |
| String tableId = assertTableIsRegistered(DEFAULT_DB, tableName); |
| |
| String processId = assertEntityIsRegistered(HiveDataTypes.HIVE_PROCESS.getName(), AtlasClient.REFERENCEABLE_ATTRIBUTE_NAME, getTableProcessQualifiedName(DEFAULT_DB, tableName), null); |
| AtlasEntity processEntity = atlasClientV2.getEntityByGuid(processId).getEntity(); |
| List<AtlasObjectId> outputs = toAtlasObjectIdList(processEntity.getAttribute(OUTPUTS)); |
| |
| assertEquals(outputs.size(), 1); |
| assertEquals(outputs.get(0).getGuid(), tableId); |
| } |
| |
| //TODO enable this test |
| //@Test |
| public void testCreateTableHiveProcessNameAttribute() throws Exception { |
| //test if \n is trimmed from name attribute of the process entity |
| String tableName = tableName(); |
| String processNameQuery = String.format("create table %s (id string)", tableName); |
| //add \n at the beginning of the query |
| String query = String.format("%n%n%s", processNameQuery); |
| |
| runCommand(query); |
| |
| String dbId = assertDatabaseIsRegistered(DEFAULT_DB); |
| String tableId = assertTableIsRegistered(DEFAULT_DB, tableName); |
| |
| //verify lineage is created and the name attribute is the query without \n |
| String processId = assertEntityIsRegistered(HiveDataTypes.HIVE_PROCESS.getName(), AtlasClient.REFERENCEABLE_ATTRIBUTE_NAME, getTableProcessQualifiedName(DEFAULT_DB, tableName), null); |
| AtlasEntity processsEntity = atlasClientV2.getEntityByGuid(processId).getEntity(); |
| |
| assertEquals(processsEntity.getAttribute("name"), processNameQuery); |
| } |
| } |