| /** |
| * 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 java.util.ArrayList; |
| import java.util.List; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import com.datatorrent.api.Sink; |
| |
| import com.datatorrent.lib.util.HighLow; |
| |
| /** |
| * Functional tests for {@link com.datatorrent.lib.math.Range} |
| */ |
| public class RangeTest<V extends Number> |
| { |
| |
| @SuppressWarnings("rawtypes") |
| class TestSink implements Sink |
| { |
| List<Object> collectedTuples = new ArrayList<Object>(); |
| |
| @Override |
| public void put(Object payload) |
| { |
| collectedTuples.add(payload); |
| } |
| |
| @Override |
| public int getCount(boolean reset) |
| { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| } |
| |
| /** |
| * Test oper logic emits correct results |
| */ |
| @SuppressWarnings("unchecked") |
| @Test |
| public void testNodeSchemaProcessing() |
| { |
| Range<Double> oper = new Range<Double>(); |
| TestSink rangeSink = new TestSink(); |
| oper.range.setSink(rangeSink); |
| |
| oper.beginWindow(0); // |
| |
| int numTuples = 1000; |
| for (int i = 0; i < numTuples; i++) { |
| Double a = new Double(20.0); |
| Double b = new Double(2.0); |
| Double c = new Double(1000.0); |
| |
| oper.data.process(a); |
| oper.data.process(b); |
| oper.data.process(c); |
| |
| a = 1.0; |
| oper.data.process(a); |
| a = 10.0; |
| oper.data.process(a); |
| b = 5.0; |
| oper.data.process(b); |
| |
| b = 12.0; |
| oper.data.process(b); |
| c = 22.0; |
| oper.data.process(c); |
| c = 14.0; |
| oper.data.process(c); |
| |
| a = 46.0; |
| oper.data.process(a); |
| b = 2.0; |
| oper.data.process(b); |
| a = 23.0; |
| oper.data.process(a); |
| } |
| |
| oper.endWindow(); // |
| |
| // payload should be 1 bag of tuples with keys "a", "b", "c", "d", "e" |
| Assert.assertEquals("number emitted tuples", 1, rangeSink.collectedTuples.size()); |
| for (Object o : rangeSink.collectedTuples) { |
| HighLow<V> hl = (HighLow<V>)o; |
| Assert.assertEquals("emitted high value was ", 1000.0, |
| hl.getHigh()); |
| Assert.assertEquals("emitted low value was ", 1.0, |
| hl.getLow()); |
| } |
| } |
| } |