| /** |
| * 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.stream; |
| |
| import java.util.ArrayList; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import com.datatorrent.lib.testbench.CollectorTestSink; |
| |
| /** |
| * Functional test for {@link com.datatorrent.lib.stream.ArrayListAggregator} |
| */ |
| public class ArrayListAggregatorTest |
| { |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| @Test |
| public void testNodeProcessing() throws Exception |
| { |
| ArrayListAggregator<Integer> oper = new ArrayListAggregator<Integer>(); |
| CollectorTestSink cSink = new CollectorTestSink(); |
| |
| oper.output.setSink(cSink); |
| oper.setSize(10); |
| int numtuples = 100; |
| |
| oper.beginWindow(0); |
| for (int i = 0; i < numtuples; i++) { |
| oper.input.process(i); |
| } |
| oper.endWindow(); |
| Assert.assertEquals("number emitted tuples", 10, |
| cSink.collectedTuples.size()); |
| |
| cSink.clear(); |
| oper.setSize(0); |
| |
| oper.beginWindow(1); |
| for (int i = 0; i < numtuples; i++) { |
| oper.input.process(i); |
| } |
| oper.endWindow(); |
| Assert.assertEquals("number emitted tuples", 1, cSink.collectedTuples.size()); |
| ArrayList<?> list = (ArrayList<?>)cSink.collectedTuples.get(0); |
| Assert.assertEquals("number emitted tuples", numtuples, list.size()); |
| } |
| } |