| /** |
| * 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.algo; |
| |
| import java.util.ArrayList; |
| 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.CollectorTestSink; |
| |
| /** |
| * @deprecated |
| * Functional tests for {@link org.apache.apex.malhar.lib.algo.TopNUnique}<p> |
| * (Deprecating inclass) Comment: TopNUnique is deprecated. |
| */ |
| @Deprecated |
| public class TopNUniqueTest |
| { |
| private static Logger log = LoggerFactory.getLogger(TopNUniqueTest.class); |
| |
| /** |
| * Test node logic emits correct results |
| */ |
| @Test |
| public void testNodeProcessing() throws Exception |
| { |
| testNodeProcessingSchema(new TopNUnique<String, Integer>()); |
| testNodeProcessingSchema(new TopNUnique<String, Double>()); |
| testNodeProcessingSchema(new TopNUnique<String, Float>()); |
| testNodeProcessingSchema(new TopNUnique<String, Short>()); |
| testNodeProcessingSchema(new TopNUnique<String, Long>()); |
| } |
| |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| public void testNodeProcessingSchema(TopNUnique oper) |
| { |
| CollectorTestSink sortSink = new CollectorTestSink(); |
| oper.top.setSink(sortSink); |
| oper.setN(3); |
| |
| oper.beginWindow(0); |
| HashMap<String, Number> input = new HashMap<String, Number>(); |
| |
| input.put("a", 2); |
| oper.data.process(input); |
| |
| input.clear(); |
| input.put("a", 20); |
| oper.data.process(input); |
| |
| input.clear(); |
| input.put("a", 1000); |
| oper.data.process(input); |
| |
| input.clear(); |
| input.put("a", 5); |
| oper.data.process(input); |
| |
| input.clear(); |
| input.put("a", 20); |
| input.put("b", 33); |
| oper.data.process(input); |
| |
| input.clear(); |
| input.put("a", 33); |
| input.put("b", 34); |
| oper.data.process(input); |
| |
| input.clear(); |
| input.put("b", 34); |
| input.put("a", 1); |
| oper.data.process(input); |
| |
| input.clear(); |
| input.put("b", 6); |
| input.put("a", 1001); |
| oper.data.process(input); |
| |
| input.clear(); |
| input.put("c", 9); |
| input.put("a", 5); |
| oper.data.process(input); |
| oper.endWindow(); |
| |
| Assert.assertEquals("number emitted tuples", 3, sortSink.collectedTuples.size()); |
| for (Object o: sortSink.collectedTuples) { |
| log.debug(o.toString()); |
| for (Map.Entry<String, ArrayList<HashMap<Number, Integer>>> e: ((HashMap<String, ArrayList<HashMap<Number, Integer>>>)o).entrySet()) { |
| if (e.getKey().equals("a")) { |
| Assert.assertEquals("emitted value for 'a' was ", 3, e.getValue().size()); |
| } else if (e.getKey().equals("b")) { |
| Assert.assertEquals("emitted tuple for 'b' was ", 3, e.getValue().size()); |
| } else if (e.getKey().equals("c")) { |
| Assert.assertEquals("emitted tuple for 'c' was ", 1, e.getValue().size()); |
| } |
| } |
| } |
| log.debug("Done testing round\n"); |
| } |
| } |