| /** |
| * 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 org.apache.apex.malhar.lib.math; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.apex.malhar.lib.testbench.CountAndLastTupleTestSink; |
| |
| /** |
| * |
| * Functional tests for {@link org.apache.apex.malhar.lib.math.MarginMap} |
| * <p> |
| * |
| */ |
| public class MarginMapTest |
| { |
| private static Logger LOG = LoggerFactory.getLogger(MarginMapTest.class); |
| |
| /** |
| * Test node logic emits correct results |
| */ |
| @Test |
| public void testNodeProcessing() throws Exception |
| { |
| testNodeProcessingSchema(new MarginMap<String, Integer>()); |
| testNodeProcessingSchema(new MarginMap<String, Double>()); |
| testNodeProcessingSchema(new MarginMap<String, Float>()); |
| testNodeProcessingSchema(new MarginMap<String, Short>()); |
| testNodeProcessingSchema(new MarginMap<String, Long>()); |
| } |
| |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| public void testNodeProcessingSchema(MarginMap oper) |
| { |
| CountAndLastTupleTestSink marginSink = new CountAndLastTupleTestSink(); |
| |
| oper.margin.setSink(marginSink); |
| |
| oper.beginWindow(0); |
| HashMap<String, Number> input = new HashMap<String, Number>(); |
| input.put("a", 2); |
| input.put("b", 20); |
| input.put("c", 1000); |
| oper.numerator.process(input); |
| |
| input.clear(); |
| input.put("a", 2); |
| input.put("b", 40); |
| input.put("c", 500); |
| oper.denominator.process(input); |
| |
| oper.endWindow(); |
| |
| // One for each key |
| Assert.assertEquals("number emitted tuples", 1, marginSink.count); |
| |
| HashMap<String, Number> output = (HashMap<String, Number>)marginSink.tuple; |
| for (Map.Entry<String, Number> e : output.entrySet()) { |
| LOG.debug(String.format("Key, value is %s,%f", e.getKey(), e.getValue().doubleValue())); |
| if (e.getKey().equals("a")) { |
| Assert.assertEquals("emitted value for 'a' was ", 0d, e.getValue().doubleValue(), 0); |
| } else if (e.getKey().equals("b")) { |
| Assert.assertEquals("emitted tuple for 'b' was ", 0.5, e.getValue().doubleValue(), 0); |
| } else if (e.getKey().equals("c")) { |
| Assert.assertEquals("emitted tuple for 'c' was ", -1.0, e.getValue().doubleValue(), 0); |
| } else { |
| LOG.debug(String.format("key was %s", e.getKey())); |
| } |
| } |
| } |
| } |