/* * 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.array; import hivemall.TestUtils; import java.io.IOException; import java.util.Arrays; import org.apache.hadoop.hive.ql.metadata.HiveException; import org.apache.hadoop.hive.ql.udf.generic.GenericUDF; import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject; 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.apache.hadoop.io.Text; import org.junit.Assert; import org.junit.Test; public class ArrayToStrUDFTest { @Test public void testSimpleCase() throws HiveException, IOException { ArrayToStrUDF udf = new ArrayToStrUDF(); udf.initialize(new ObjectInspector[] { ObjectInspectorFactory.getStandardListObjectInspector( PrimitiveObjectInspectorFactory.javaIntObjectInspector), PrimitiveObjectInspectorFactory.writableStringObjectInspector}); Text sep = new Text("#"); DeferredObject[] args = new DeferredObject[] {new GenericUDF.DeferredJavaObject(Arrays.asList(1, 2, 3)), new GenericUDF.DeferredJavaObject(sep)}; Assert.assertEquals("1#2#3", udf.evaluate(args)); args = new DeferredObject[] {new GenericUDF.DeferredJavaObject(Arrays.asList(1, 2, 3)), new GenericUDF.DeferredJavaObject(null)}; Assert.assertEquals("1,2,3", udf.evaluate(args)); udf.close(); } @Test public void testNoSep() throws HiveException, IOException { ArrayToStrUDF udf = new ArrayToStrUDF(); udf.initialize(new ObjectInspector[] {ObjectInspectorFactory.getStandardListObjectInspector( PrimitiveObjectInspectorFactory.javaIntObjectInspector)}); DeferredObject[] args = new DeferredObject[] {new GenericUDF.DeferredJavaObject(Arrays.asList(1, 2, 3))}; Assert.assertEquals("1,2,3", udf.evaluate(args)); udf.close(); } @Test public void testNull() throws HiveException, IOException { ArrayToStrUDF udf = new ArrayToStrUDF(); udf.initialize(new ObjectInspector[] {ObjectInspectorFactory.getStandardListObjectInspector( PrimitiveObjectInspectorFactory.javaIntObjectInspector)}); DeferredObject[] args = new DeferredObject[] {new GenericUDF.DeferredJavaObject(Arrays.asList(1, null, 3))}; Assert.assertEquals("1,3", udf.evaluate(args)); args = new DeferredObject[] {new GenericUDF.DeferredJavaObject(Arrays.asList(null, 2, 3))}; Assert.assertEquals("2,3", udf.evaluate(args)); udf.close(); } @Test public void testSerialization() throws HiveException, IOException { TestUtils.testGenericUDFSerialization(ArrayToStrUDF.class, new ObjectInspector[] { ObjectInspectorFactory.getStandardListObjectInspector( PrimitiveObjectInspectorFactory.javaIntObjectInspector), PrimitiveObjectInspectorFactory.javaStringObjectInspector}, new Object[] {Arrays.asList(1, 2, 3), "-"}); } }