| /** |
| * 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.MarginKeyVal}. |
| */ |
| public class MarginKeyValTest |
| { |
| /** |
| * Test node logic emits correct results. |
| */ |
| @Test |
| public void testNodeProcessing() throws Exception |
| { |
| testNodeProcessingSchema(new MarginKeyVal<String, Integer>()); |
| testNodeProcessingSchema(new MarginKeyVal<String, Double>()); |
| testNodeProcessingSchema(new MarginKeyVal<String, Float>()); |
| testNodeProcessingSchema(new MarginKeyVal<String, Short>()); |
| testNodeProcessingSchema(new MarginKeyVal<String, Long>()); |
| } |
| |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| public void testNodeProcessingSchema(MarginKeyVal oper) |
| { |
| CollectorTestSink marginSink = new CollectorTestSink(); |
| |
| oper.margin.setSink(marginSink); |
| |
| oper.beginWindow(0); |
| oper.numerator.process(new KeyValPair("a", 2)); |
| oper.numerator.process(new KeyValPair("b", 20)); |
| oper.numerator.process(new KeyValPair("c", 1000)); |
| |
| oper.denominator.process(new KeyValPair("a", 2)); |
| oper.denominator.process(new KeyValPair("b", 40)); |
| oper.denominator.process(new KeyValPair("c", 500)); |
| oper.endWindow(); |
| |
| Assert.assertEquals("number emitted tuples", 3, |
| marginSink.collectedTuples.size()); |
| for (int i = 0; i < marginSink.collectedTuples.size(); i++) { |
| if ("a".equals(((KeyValPair<String, Number>)marginSink.collectedTuples.get(i)).getKey())) { |
| Assert.assertEquals("emitted value for 'a' was ", 0d, |
| ((KeyValPair<String, Number>)marginSink.collectedTuples.get(i)).getValue().doubleValue(), 0); |
| } |
| if ("b".equals(((KeyValPair<String, Number>)marginSink.collectedTuples |
| .get(i)).getKey())) { |
| Assert.assertEquals("emitted value for 'b' was ", 0.5, |
| ((KeyValPair<String, Number>)marginSink.collectedTuples.get(i)).getValue().doubleValue(), 0); |
| } |
| if ("c".equals(((KeyValPair<String, Number>)marginSink.collectedTuples |
| .get(i)).getKey())) { |
| Assert.assertEquals("emitted value for 'c' was ", (double)-1, |
| ((KeyValPair<String, Number>)marginSink.collectedTuples.get(i)).getValue().doubleValue(), 0); |
| } |
| } |
| } |
| } |