| /** |
| * 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.hcatalog.pig; |
| |
| import com.google.common.collect.Lists; |
| import junit.framework.Assert; |
| import org.apache.hcatalog.common.HCatConstants; |
| import org.apache.hcatalog.data.schema.HCatFieldSchema; |
| import org.apache.hcatalog.data.schema.HCatSchema; |
| import org.apache.pig.ResourceSchema; |
| import org.apache.pig.ResourceSchema.ResourceFieldSchema; |
| import org.apache.pig.data.DataType; |
| import org.apache.pig.impl.util.UDFContext; |
| import org.junit.Test; |
| |
| public class TestPigHCatUtil { |
| |
| @Test |
| public void testGetBagSubSchema() throws Exception { |
| |
| // Define the expected schema. |
| ResourceFieldSchema[] bagSubFieldSchemas = new ResourceFieldSchema[1]; |
| bagSubFieldSchemas[0] = new ResourceFieldSchema().setName("innertuple") |
| .setDescription("The tuple in the bag").setType(DataType.TUPLE); |
| |
| ResourceFieldSchema[] innerTupleFieldSchemas = new ResourceFieldSchema[1]; |
| innerTupleFieldSchemas[0] = |
| new ResourceFieldSchema().setName("innerfield").setType(DataType.CHARARRAY); |
| |
| bagSubFieldSchemas[0].setSchema(new ResourceSchema().setFields(innerTupleFieldSchemas)); |
| ResourceSchema expected = new ResourceSchema().setFields(bagSubFieldSchemas); |
| |
| // Get the actual converted schema. |
| HCatSchema hCatSchema = new HCatSchema(Lists.newArrayList( |
| new HCatFieldSchema("innerLlama", HCatFieldSchema.Type.STRING, null))); |
| HCatFieldSchema hCatFieldSchema = |
| new HCatFieldSchema("llama", HCatFieldSchema.Type.ARRAY, hCatSchema, null); |
| ResourceSchema actual = PigHCatUtil.getBagSubSchema(hCatFieldSchema); |
| |
| Assert.assertEquals(expected.toString(), actual.toString()); |
| } |
| |
| @Test |
| public void testGetBagSubSchemaConfigured() throws Exception { |
| |
| // NOTE: pig-0.8 sets client system properties by actually getting the client |
| // system properties. Starting in pig-0.9 you must pass the properties in. |
| // When updating our pig dependency this will need updated. |
| System.setProperty(HCatConstants.HCAT_PIG_INNER_TUPLE_NAME, "t"); |
| System.setProperty(HCatConstants.HCAT_PIG_INNER_FIELD_NAME, "FIELDNAME_tuple"); |
| UDFContext.getUDFContext().setClientSystemProps(); |
| |
| // Define the expected schema. |
| ResourceFieldSchema[] bagSubFieldSchemas = new ResourceFieldSchema[1]; |
| bagSubFieldSchemas[0] = new ResourceFieldSchema().setName("t") |
| .setDescription("The tuple in the bag").setType(DataType.TUPLE); |
| |
| ResourceFieldSchema[] innerTupleFieldSchemas = new ResourceFieldSchema[1]; |
| innerTupleFieldSchemas[0] = |
| new ResourceFieldSchema().setName("llama_tuple").setType(DataType.CHARARRAY); |
| |
| bagSubFieldSchemas[0].setSchema(new ResourceSchema().setFields(innerTupleFieldSchemas)); |
| ResourceSchema expected = new ResourceSchema().setFields(bagSubFieldSchemas); |
| |
| // Get the actual converted schema. |
| HCatSchema actualHCatSchema = new HCatSchema(Lists.newArrayList( |
| new HCatFieldSchema("innerLlama", HCatFieldSchema.Type.STRING, null))); |
| HCatFieldSchema actualHCatFieldSchema = |
| new HCatFieldSchema("llama", HCatFieldSchema.Type.ARRAY, actualHCatSchema, null); |
| ResourceSchema actual = PigHCatUtil.getBagSubSchema(actualHCatFieldSchema); |
| |
| Assert.assertEquals(expected.toString(), actual.toString()); |
| } |
| } |