| /** |
| * 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.repository.impexp; |
| |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.instance.AtlasEntity; |
| import org.apache.atlas.model.instance.AtlasEntity.AtlasEntityWithExtInfo; |
| import org.testng.annotations.BeforeTest; |
| import org.testng.annotations.Test; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertNotNull; |
| |
| public class ImportTransformsTest { |
| private final String qualifiedName = "qualifiedName"; |
| private final String lowerCaseCL1 = "@cl1"; |
| private final String lowerCaseCL2 = "@cl2"; |
| private final String jsonTransforms = "{ \"hive_table\": { \"qualifiedName\":[ \"lowercase\", \"replace:@cl1:@cl2\" ] } }"; |
| |
| private ImportTransforms transform; |
| |
| @BeforeTest |
| public void setup() throws AtlasBaseException { |
| transform = ImportTransforms.fromJson(jsonTransforms); |
| } |
| |
| @Test |
| public void transformEntityWith2Transforms() throws AtlasBaseException { |
| AtlasEntity entity = getHiveTableAtlasEntity(); |
| String attrValue = (String) entity.getAttribute(qualifiedName); |
| |
| transform.apply(entity); |
| |
| assertEquals(entity.getAttribute(qualifiedName), applyDefaultTransform(attrValue)); |
| } |
| |
| @Test |
| public void transformEntityWithExtInfo() throws AtlasBaseException { |
| addColumnTransform(transform); |
| |
| AtlasEntityWithExtInfo entityWithExtInfo = getAtlasEntityWithExtInfo(); |
| AtlasEntity entity = entityWithExtInfo.getEntity(); |
| String attrValue = (String) entity.getAttribute(qualifiedName); |
| String[] expectedValues = getExtEntityExpectedValues(entityWithExtInfo); |
| |
| transform.apply(entityWithExtInfo); |
| |
| assertEquals(entityWithExtInfo.getEntity().getAttribute(qualifiedName), applyDefaultTransform(attrValue)); |
| |
| for (int i = 0; i < expectedValues.length; i++) { |
| assertEquals(entityWithExtInfo.getReferredEntities().get(Integer.toString(i)).getAttribute(qualifiedName), expectedValues[i]); |
| } |
| } |
| |
| @Test |
| public void transformEntityWithExtInfoNullCheck() throws AtlasBaseException { |
| addColumnTransform(transform); |
| |
| AtlasEntityWithExtInfo entityWithExtInfo = getAtlasEntityWithExtInfo(); |
| |
| entityWithExtInfo.setReferredEntities(null); |
| |
| AtlasEntityWithExtInfo transformedEntityWithExtInfo = transform.apply(entityWithExtInfo); |
| |
| assertNotNull(transformedEntityWithExtInfo); |
| assertEquals(entityWithExtInfo.getEntity().getGuid(), transformedEntityWithExtInfo.getEntity().getGuid()); |
| } |
| |
| private String[] getExtEntityExpectedValues(AtlasEntityWithExtInfo entityWithExtInfo) { |
| String[] ret = new String[entityWithExtInfo.getReferredEntities().size()]; |
| |
| for (int i = 0; i < ret.length; i++) { |
| String attrValue = (String) entityWithExtInfo.getReferredEntities().get(Integer.toString(i)).getAttribute(qualifiedName); |
| |
| ret[i] = attrValue.replace(lowerCaseCL1, lowerCaseCL2); |
| } |
| |
| return ret; |
| } |
| |
| private void addColumnTransform(ImportTransforms transform) throws AtlasBaseException { |
| Map<String, List<ImportTransformer>> tr = new HashMap<>(); |
| List<ImportTransformer> trList = new ArrayList<>(); |
| |
| trList.add(ImportTransformer.getTransformer(String.format("replace:%s:%s", lowerCaseCL1, lowerCaseCL2))); |
| |
| tr.put(qualifiedName, trList); |
| |
| transform.getTransforms().put("hive_column", tr); |
| } |
| |
| private String applyDefaultTransform(String attrValue) { |
| return attrValue.toLowerCase().replace(lowerCaseCL1, lowerCaseCL2); |
| } |
| |
| private AtlasEntity getHiveTableAtlasEntity() { |
| AtlasEntity entity = new AtlasEntity("hive_table"); |
| |
| Map<String, Object> attributes = new HashMap<>(); |
| attributes.put(qualifiedName, "TABLE1.default" + lowerCaseCL1); |
| attributes.put("dbname", "someDB"); |
| attributes.put("name", "somename"); |
| |
| entity.setAttributes(attributes); |
| return entity; |
| } |
| |
| private AtlasEntity getHiveColumnAtlasEntity(int index) { |
| AtlasEntity entity = new AtlasEntity("hive_column"); |
| |
| Map<String, Object> attributes = new HashMap<>(); |
| attributes.put(qualifiedName, String.format("col%s.TABLE1.default@cl1", index)); |
| attributes.put("name", "col" + index); |
| |
| entity.setAttributes(attributes); |
| return entity; |
| } |
| |
| private AtlasEntityWithExtInfo getAtlasEntityWithExtInfo() { |
| AtlasEntityWithExtInfo ret = new AtlasEntityWithExtInfo(getHiveTableAtlasEntity()); |
| |
| Map<String, AtlasEntity> referredEntities = new HashMap<>(); |
| referredEntities.put("0", getHiveColumnAtlasEntity(1)); |
| referredEntities.put("1", getHiveColumnAtlasEntity(2)); |
| referredEntities.put("2", getHiveColumnAtlasEntity(3)); |
| |
| ret.setReferredEntities(referredEntities); |
| |
| return ret; |
| } |
| } |