| /* |
| * 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.datasketches.pig.cpc; |
| |
| import org.apache.pig.EvalFunc; |
| import org.apache.pig.data.DataByteArray; |
| import org.apache.pig.data.TupleFactory; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| import org.apache.datasketches.cpc.CpcSketch; |
| |
| @SuppressWarnings("javadoc") |
| public class SketchToStringTest { |
| |
| private static final TupleFactory TUPLE_FACTORY = TupleFactory.getInstance(); |
| |
| @Test |
| public void nullInputTuple() throws Exception { |
| final EvalFunc<String> func = new SketchToString(); |
| final String result = func.exec(null); |
| Assert.assertNull(result); |
| } |
| |
| @Test |
| public void emptyInputTuple() throws Exception { |
| final EvalFunc<String> func = new SketchToString(); |
| final String result = func.exec(TUPLE_FACTORY.newTuple()); |
| Assert.assertNull(result); |
| } |
| |
| @Test |
| public void normalCase() throws Exception { |
| final EvalFunc<String> func = new SketchToString(); |
| final CpcSketch sketch = new CpcSketch(); |
| final String result = func.exec(TUPLE_FACTORY.newTuple(new DataByteArray(sketch.toByteArray()))); |
| Assert.assertNotNull(result); |
| Assert.assertTrue(result.length() > 0); |
| } |
| |
| @Test |
| public void normalCaseWithDetail() throws Exception { |
| final EvalFunc<String> func = new SketchToString("true"); |
| final CpcSketch sketch = new CpcSketch(); |
| final String result = func.exec(TUPLE_FACTORY.newTuple(new DataByteArray(sketch.toByteArray()))); |
| Assert.assertNotNull(result); |
| Assert.assertTrue(result.length() > 0); |
| } |
| |
| @Test |
| public void normalCaseWithDetailAndSeed() throws Exception { |
| final EvalFunc<String> func = new SketchToString("true", "123"); |
| final CpcSketch sketch = new CpcSketch(12, 123); |
| final String result = func.exec(TUPLE_FACTORY.newTuple(new DataByteArray(sketch.toByteArray()))); |
| Assert.assertNotNull(result); |
| Assert.assertTrue(result.length() > 0); |
| } |
| |
| } |