| /** |
| * 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.math; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import com.datatorrent.lib.testbench.CollectorTestSink; |
| import com.datatorrent.lib.util.KeyValPair; |
| |
| /** |
| * |
| * Functional tests for {@link com.datatorrent.lib.math.AverageKeyVal}. |
| * <p> |
| * |
| */ |
| public class AverageKeyValTest |
| { |
| /** |
| * Test operator logic emits correct results. |
| */ |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| @Test |
| public void testNodeProcessing() |
| { |
| AverageKeyVal<String> oper = new AverageKeyVal<String>(); |
| CollectorTestSink averageSink = new CollectorTestSink(); |
| |
| oper.doubleAverage.setSink(averageSink); |
| |
| oper.beginWindow(0); // |
| |
| oper.data.process(new KeyValPair("a", 2.0)); |
| oper.data.process(new KeyValPair("b", 20.0)); |
| oper.data.process(new KeyValPair("c", 1000.0)); |
| oper.data.process(new KeyValPair("a", 1.0)); |
| oper.data.process(new KeyValPair("a", 10.0)); |
| oper.data.process(new KeyValPair("b", 5.0)); |
| oper.data.process(new KeyValPair("d", 55.0)); |
| oper.data.process(new KeyValPair("b", 12.0)); |
| oper.data.process(new KeyValPair("d", 22.0)); |
| oper.data.process(new KeyValPair("d", 14.2)); |
| oper.data.process(new KeyValPair("d", 46.0)); |
| oper.data.process(new KeyValPair("e", 2.0)); |
| oper.data.process(new KeyValPair("a", 23.0)); |
| oper.data.process(new KeyValPair("d", 4.0)); |
| |
| oper.endWindow(); // |
| |
| Assert.assertEquals("number emitted tuples", 5, |
| averageSink.collectedTuples.size()); |
| for (Object o : averageSink.collectedTuples) { |
| KeyValPair<String, Double> e = (KeyValPair<String, Double>)o; |
| Double val = e.getValue(); |
| if (e.getKey().equals("a")) { |
| Assert.assertEquals("emitted value for 'a' was ", new Double(36 / 4.0), val); |
| } else if (e.getKey().equals("b")) { |
| Assert.assertEquals("emitted tuple for 'b' was ", new Double(37 / 3.0), val); |
| } else if (e.getKey().equals("c")) { |
| Assert.assertEquals("emitted tuple for 'c' was ", new Double(1000 / 1.0), val); |
| } else if (e.getKey().equals("d")) { |
| Assert.assertEquals("emitted tuple for 'd' was ", new Double(141.2 / 5), val); |
| } else if (e.getKey().equals("e")) { |
| Assert.assertEquals("emitted tuple for 'e' was ", new Double(2 / 1.0), val); |
| } |
| } |
| } |
| } |