/* * 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.hadoop.hive.ql.io.parquet.serde; import java.util.HashMap; import java.util.Map; import junit.framework.TestCase; import org.apache.hadoop.hive.serde2.io.ShortWritable; import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory; import org.apache.hadoop.io.ArrayWritable; import org.apache.hadoop.io.IntWritable; import org.apache.hadoop.io.Writable; import org.junit.Test; public class TestStandardParquetHiveMapInspector extends TestCase { private StandardParquetHiveMapInspector inspector; @Override public void setUp() { inspector = new StandardParquetHiveMapInspector(PrimitiveObjectInspectorFactory.javaIntObjectInspector, PrimitiveObjectInspectorFactory.javaIntObjectInspector); } @Test public void testNullMap() { assertNull("Should be null", inspector.getMapValueElement(null, new IntWritable(0))); } @Test public void testNullContainer() { final ArrayWritable map = new ArrayWritable(ArrayWritable.class, null); assertNull("Should be null", inspector.getMapValueElement(map, new IntWritable(0))); } @Test public void testEmptyContainer() { final ArrayWritable map = new ArrayWritable(ArrayWritable.class, new ArrayWritable[0]); assertNull("Should be null", inspector.getMapValueElement(map, new IntWritable(0))); } @Test public void testRegularMap() { final Writable[] entry1 = new Writable[]{new IntWritable(0), new IntWritable(1)}; final Writable[] entry2 = new Writable[]{new IntWritable(2), new IntWritable(3)}; final ArrayWritable internalMap = new ArrayWritable(ArrayWritable.class, new Writable[]{ new ArrayWritable(Writable.class, entry1), new ArrayWritable(Writable.class, entry2)}); final ArrayWritable map = new ArrayWritable(ArrayWritable.class, new Writable[]{internalMap}); assertEquals("Wrong result of inspection", new IntWritable(1), inspector.getMapValueElement(map, new IntWritable(0))); assertEquals("Wrong result of inspection", new IntWritable(3), inspector.getMapValueElement(map, new IntWritable(2))); assertNull("Wrong result of inspection", inspector.getMapValueElement(map, new ShortWritable((short) 0))); assertNull("Wrong result of inspection", inspector.getMapValueElement(map, new ShortWritable((short) 2))); } @Test public void testHashMap() { final Map<Writable, Writable> map = new HashMap<Writable, Writable>(); map.put(new IntWritable(0), new IntWritable(1)); map.put(new IntWritable(2), new IntWritable(3)); map.put(new IntWritable(4), new IntWritable(5)); map.put(new IntWritable(6), new IntWritable(7)); assertEquals("Wrong result of inspection", new IntWritable(1), inspector.getMapValueElement(map, new IntWritable(0))); assertEquals("Wrong result of inspection", new IntWritable(3), inspector.getMapValueElement(map, new IntWritable(2))); assertEquals("Wrong result of inspection", new IntWritable(5), inspector.getMapValueElement(map, new IntWritable(4))); assertEquals("Wrong result of inspection", new IntWritable(7), inspector.getMapValueElement(map, new IntWritable(6))); assertNull("Wrong result of inspection", inspector.getMapValueElement(map, new ShortWritable((short) 0))); assertNull("Wrong result of inspection", inspector.getMapValueElement(map, new ShortWritable((short) 2))); assertNull("Wrong result of inspection", inspector.getMapValueElement(map, new ShortWritable((short) 4))); assertNull("Wrong result of inspection", inspector.getMapValueElement(map, new ShortWritable((short) 6))); } }