| /** |
| * 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.multiwindow; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import com.datatorrent.lib.testbench.CollectorTestSink; |
| import com.datatorrent.lib.util.KeyValPair; |
| |
| /** |
| * Functional test for {@link com.datatorrent.lib.multiwindow.SimpleMovingAverage}. <p> |
| */ |
| public class SimpleMovingAverageTest |
| { |
| /** |
| * Test functional logic |
| */ |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| @Test |
| public void testNodeProcessing() throws InterruptedException |
| { |
| SimpleMovingAverage<String, Double> oper = new SimpleMovingAverage<String, Double>(); |
| |
| CollectorTestSink sink = new CollectorTestSink(); |
| CollectorTestSink sink2 = new CollectorTestSink(); |
| oper.doubleSMA.setSink(sink); |
| oper.integerSMA.setSink(sink2); |
| oper.setWindowSize(3); |
| |
| double val = 30; |
| double val2 = 51; |
| oper.beginWindow(0); |
| oper.data.process(new KeyValPair<String, Double>("a", ++val)); |
| oper.data.process(new KeyValPair<String, Double>("a", ++val)); |
| oper.data.process(new KeyValPair<String, Double>("b", ++val2)); |
| oper.data.process(new KeyValPair<String, Double>("b", ++val2)); |
| oper.endWindow(); |
| Assert.assertEquals("number emitted tuples", 2, sink.collectedTuples.size()); |
| for (int i = 0; i < 2; i++) { |
| KeyValPair<String, Double> pair = (KeyValPair<String, Double>)sink.collectedTuples.get(i); |
| if (pair.getKey().equals("a")) { |
| Assert.assertEquals("a SMA", 31.5, pair.getValue(), 0); |
| } else { |
| Assert.assertEquals("b SMA", 52.5, pair.getValue(), 0); |
| } |
| } |
| |
| oper.beginWindow(1); |
| oper.data.process(new KeyValPair<String, Double>("a", ++val)); |
| oper.data.process(new KeyValPair<String, Double>("a", ++val)); |
| oper.data.process(new KeyValPair<String, Double>("b", ++val2)); |
| oper.data.process(new KeyValPair<String, Double>("b", ++val2)); |
| oper.endWindow(); |
| Assert.assertEquals("number emitted tuples", 4, sink.collectedTuples.size()); |
| for (int i = 2; i < 4; i++) { |
| KeyValPair<String, Double> pair = (KeyValPair<String, Double>)sink.collectedTuples.get(i); |
| if (pair.getKey().equals("a")) { |
| Assert.assertEquals("a SMA", 32.5, pair.getValue(), 0); |
| } else { |
| Assert.assertEquals("b SMA", 53.5, pair.getValue(), 0); |
| } |
| } |
| |
| oper.beginWindow(2); |
| oper.data.process(new KeyValPair<String, Double>("a", ++val)); |
| oper.data.process(new KeyValPair<String, Double>("a", ++val)); |
| oper.data.process(new KeyValPair<String, Double>("b", ++val2)); |
| oper.data.process(new KeyValPair<String, Double>("b", ++val2)); |
| oper.endWindow(); |
| Assert.assertEquals("number emitted tuples", 6, sink.collectedTuples.size()); |
| for (int i = 4; i < 6; i++) { |
| KeyValPair<String, Double> pair = (KeyValPair<String, Double>)sink.collectedTuples.get(i); |
| if (pair.getKey().equals("a")) { |
| Assert.assertEquals("a SMA", 33.5, pair.getValue(), 0); |
| } else { |
| Assert.assertEquals("b SMA", 54.5, pair.getValue(), 0); |
| } |
| } |
| |
| oper.beginWindow(3); |
| oper.data.process(new KeyValPair<String, Double>("a", ++val)); |
| oper.data.process(new KeyValPair<String, Double>("a", ++val)); |
| oper.data.process(new KeyValPair<String, Double>("b", ++val2)); |
| oper.data.process(new KeyValPair<String, Double>("b", ++val2)); |
| oper.endWindow(); |
| Assert.assertEquals("number emitted tuples", 8, sink.collectedTuples.size()); |
| for (int i = 6; i < 8; i++) { |
| KeyValPair<String, Double> pair = (KeyValPair<String, Double>)sink.collectedTuples.get(i); |
| if (pair.getKey().equals("a")) { |
| Assert.assertEquals("a SMA", 35.5, pair.getValue(), 0); |
| } else { |
| Assert.assertEquals("b SMA", 56.5, pair.getValue(), 0); |
| } |
| } |
| } |
| } |