| /** |
| * 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.contrib.enrich; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import com.datatorrent.api.Context; |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.api.DefaultInputPort; |
| import com.datatorrent.api.DefaultOutputPort; |
| import com.datatorrent.api.InputOperator; |
| import com.datatorrent.api.LocalMode; |
| import com.datatorrent.api.StreamingApplication; |
| import com.datatorrent.common.util.BaseOperator; |
| import com.datatorrent.lib.testbench.CollectorTestSink; |
| import com.datatorrent.lib.util.TestUtils; |
| |
| public class POJOEnricherTest extends JDBCLoaderTest |
| { |
| @Test |
| public void includeSelectedKeys() |
| { |
| POJOEnricher oper = new POJOEnricher(); |
| oper.setStore(testMeta.dbloader); |
| oper.setLookupFields(Arrays.asList("ID")); |
| oper.setIncludeFields(Arrays.asList("NAME", "AGE", "ADDRESS")); |
| oper.outputClass = EmployeeOrder.class; |
| oper.inputClass = Order.class; |
| oper.setup(null); |
| |
| CollectorTestSink sink = new CollectorTestSink(); |
| TestUtils.setSink(oper.output, sink); |
| |
| oper.activate(null); |
| |
| oper.beginWindow(1); |
| Order tuple = new Order(3, 4, 700); |
| oper.input.process(tuple); |
| oper.endWindow(); |
| |
| oper.deactivate(); |
| |
| Assert.assertEquals("includeSelectedKeys: Number of tuples emitted: ", 1, sink.collectedTuples.size()); |
| Assert.assertEquals("Ouput Tuple: ", |
| "{OID=3, ID=4, amount=700.0, NAME='Mark', AGE=25, ADDRESS='Rich-Mond', SALARY=0.0}", |
| sink.collectedTuples.get(0).toString()); |
| } |
| |
| @Test |
| public void includeAllKeys() |
| { |
| POJOEnricher oper = new POJOEnricher(); |
| oper.setStore(testMeta.dbloader); |
| oper.setLookupFields(Arrays.asList("ID")); |
| oper.setIncludeFields(Arrays.asList("NAME", "AGE", "ADDRESS", "SALARY")); |
| oper.outputClass = EmployeeOrder.class; |
| oper.inputClass = Order.class; |
| oper.setup(null); |
| |
| CollectorTestSink sink = new CollectorTestSink(); |
| TestUtils.setSink(oper.output, sink); |
| |
| oper.activate(null); |
| |
| oper.beginWindow(1); |
| Order tuple = new Order(3, 4, 700); |
| oper.input.process(tuple); |
| oper.endWindow(); |
| |
| oper.deactivate(); |
| |
| Assert.assertEquals("includeSelectedKeys: Number of tuples emitted: ", 1, sink.collectedTuples.size()); |
| Assert.assertEquals("Ouput Tuple: ", |
| "{OID=3, ID=4, amount=700.0, NAME='Mark', AGE=25, ADDRESS='Rich-Mond', SALARY=65000.0}", |
| sink.collectedTuples.get(0).toString()); |
| } |
| |
| @Test |
| public void testApplication() throws Exception |
| { |
| EnrichApplication enrichApplication = new EnrichApplication(testMeta); |
| enrichApplication.setLoader(testMeta.dbloader); |
| |
| LocalMode lma = LocalMode.newInstance(); |
| Configuration conf = new Configuration(false); |
| lma.prepareDAG(enrichApplication, conf); |
| LocalMode.Controller lc = lma.getController(); |
| lc.run(10000);// runs for 10 seconds and quits |
| } |
| |
| public static class EnrichApplication implements StreamingApplication |
| { |
| private final TestMeta testMeta; |
| BackendLoader loader; |
| |
| public EnrichApplication(TestMeta testMeta) |
| { |
| this.testMeta = testMeta; |
| } |
| |
| @Override |
| public void populateDAG(DAG dag, Configuration configuration) |
| { |
| RandomPOJOGenerator input = dag.addOperator("Input", RandomPOJOGenerator.class); |
| POJOEnricher enrich = dag.addOperator("Enrich", POJOEnricher.class); |
| EnrichVerifier verify = dag.addOperator("Verify", EnrichVerifier.class); |
| verify.address = testMeta.address; |
| verify.age = testMeta.age; |
| verify.names = testMeta.name; |
| verify.salary = testMeta.salary; |
| |
| enrich.setStore(loader); |
| ArrayList<String> lookupFields = new ArrayList<>(); |
| lookupFields.add("ID"); |
| ArrayList<String> includeFields = new ArrayList<>(); |
| includeFields.add("NAME"); |
| includeFields.add("AGE"); |
| includeFields.add("ADDRESS"); |
| includeFields.add("SALARY"); |
| enrich.setLookupFields(lookupFields); |
| enrich.setIncludeFields(includeFields); |
| |
| dag.getMeta(enrich).getMeta(enrich.input).getAttributes().put(Context.PortContext.TUPLE_CLASS, Order.class); |
| dag.getMeta(enrich).getMeta(enrich.output).getAttributes() |
| .put(Context.PortContext.TUPLE_CLASS, EmployeeOrder.class); |
| |
| dag.addStream("S1", input.output, enrich.input); |
| dag.addStream("S2", enrich.output, verify.input); |
| } |
| |
| public void setLoader(BackendLoader loader) |
| { |
| this.loader = loader; |
| } |
| } |
| |
| public static class RandomPOJOGenerator implements InputOperator |
| { |
| public transient DefaultOutputPort<Object> output = new DefaultOutputPort<>(); |
| private int idx = 0; |
| private boolean emit = true; |
| |
| @Override |
| public void emitTuples() |
| { |
| if (!emit) { |
| return; |
| } |
| idx += idx++ % 4; |
| Order o = new Order(1, idx + 1, 100.00); |
| output.emit(o); |
| if (idx == 3) { |
| emit = false; |
| } |
| } |
| |
| @Override |
| public void beginWindow(long l) |
| { |
| emit = true; |
| } |
| |
| @Override |
| public void endWindow() |
| { |
| |
| } |
| |
| @Override |
| public void setup(Context.OperatorContext context) |
| { |
| } |
| |
| @Override |
| public void teardown() |
| { |
| } |
| } |
| |
| public static class EnrichVerifier extends BaseOperator |
| { |
| private static final Logger logger = LoggerFactory.getLogger(EnrichVerifier.class); |
| String[] names; |
| int[] age; |
| String[] address; |
| double[] salary; |
| |
| private transient DefaultInputPort<Object> input = new DefaultInputPort<Object>() |
| { |
| @Override |
| public void process(Object o) |
| { |
| Assert.assertTrue(o instanceof EmployeeOrder); |
| EmployeeOrder order = (EmployeeOrder)o; |
| int id = order.getID(); |
| Assert.assertTrue(id >= 1 && id <= 4); |
| Assert.assertEquals(1, order.getOID()); |
| Assert.assertEquals(100.00, order.getAmount(), 0); |
| |
| Assert.assertEquals(names[id - 1], order.getNAME()); |
| Assert.assertEquals(age[id - 1], order.getAGE()); |
| Assert.assertEquals(address[id - 1], order.getADDRESS()); |
| Assert.assertEquals(salary[id - 1], order.getSALARY(), 0); |
| } |
| }; |
| } |
| } |
| |