| /** |
| * 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 com.datatorrent.lib.algo; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import com.datatorrent.lib.testbench.CollectorTestSink; |
| |
| public class BottomNUnifierTest |
| { |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| @Test |
| public void testUnifier() |
| { |
| |
| // Instantiate unifier |
| BottomNUnifier<String, Integer> oper = new BottomNUnifier<>(); |
| oper.setN(2); |
| CollectorTestSink sink = new CollectorTestSink(); |
| oper.mergedport.setSink(sink); |
| |
| oper.beginWindow(1); |
| ArrayList<Integer> values = new ArrayList<Integer>(); |
| values.add(5); |
| values.add(2); |
| HashMap<String, ArrayList<Integer>> tuple = new HashMap<String, ArrayList<Integer>>(); |
| tuple.put("a", values); |
| oper.process(tuple); |
| values = new ArrayList<Integer>(); |
| values.add(3); |
| values.add(5); |
| tuple = new HashMap<String, ArrayList<Integer>>(); |
| tuple.put("a", values); |
| oper.process(tuple); |
| oper.endWindow(); |
| |
| Assert.assertEquals("Tuples in sink", sink.collectedTuples.size(), 1); |
| tuple = (HashMap<String, ArrayList<Integer>>)sink.collectedTuples.get(0); |
| values = tuple.get("a"); |
| Assert.assertEquals(2, values.size()); |
| Assert.assertEquals(true, values.indexOf(2) >= 0); |
| Assert.assertEquals(true, values.indexOf(3) >= 0); |
| } |
| } |