/* * 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 hivemall.tools.map; import hivemall.TestUtils; import java.io.IOException; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.hadoop.hive.ql.exec.UDFArgumentException; import org.apache.hadoop.hive.ql.metadata.HiveException; import org.apache.hadoop.hive.ql.udf.generic.GenericUDF; import org.apache.hadoop.hive.serde2.io.DoubleWritable; import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector; import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory; import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory; import org.junit.Assert; import org.junit.Test; public class MapKeyValuesUDFTest { @Test public void testStringDouble() throws HiveException, IOException { MapKeyValuesUDF udf = new MapKeyValuesUDF(); udf.initialize(new ObjectInspector[] {ObjectInspectorFactory.getStandardMapObjectInspector( PrimitiveObjectInspectorFactory.javaStringObjectInspector, PrimitiveObjectInspectorFactory.writableDoubleObjectInspector)}); Map<String, DoubleWritable> input = new HashMap<>(); for (int i = 0; i < 10; i++) { input.put("k" + i, new DoubleWritable(i)); } GenericUDF.DeferredObject[] arguments = new GenericUDF.DeferredObject[] {new GenericUDF.DeferredJavaObject(input)}; List<Object[]> actual = udf.evaluate(arguments); Assert.assertEquals(input.size(), actual.size()); for (Object[] e : actual) { Assert.assertEquals(2, e.length); Object v = input.get(e[0]); Assert.assertEquals(e[1], v); } udf.close(); } @Test public void testSerialization() throws UDFArgumentException { MapKeyValuesUDF udf = new MapKeyValuesUDF(); udf.initialize(new ObjectInspector[] {ObjectInspectorFactory.getStandardMapObjectInspector( PrimitiveObjectInspectorFactory.javaStringObjectInspector, PrimitiveObjectInspectorFactory.writableDoubleObjectInspector)}); byte[] serialized = TestUtils.serializeObjectByKryo(udf); TestUtils.deserializeObjectByKryo(serialized, MapKeyValuesUDF.class); } }