| /** |
| * 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.dedup; |
| |
| import java.io.IOException; |
| import java.util.Date; |
| import java.util.Random; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| |
| import com.datatorrent.api.Context.OperatorContext; |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.lib.helper.OperatorContextTestHelper; |
| import com.datatorrent.lib.testbench.CollectorTestSink; |
| import com.datatorrent.lib.util.TestUtils; |
| import com.datatorrent.stram.engine.PortContext; |
| |
| import static com.datatorrent.lib.helper.OperatorContextTestHelper.mockOperatorContext; |
| |
| public class DeduperBoundedPOJOImplTest |
| { |
| private static String applicationPath; |
| private static final String APPLICATION_PATH_PREFIX = "target/DeduperBoundedPOJOImplTest"; |
| private static final String APP_ID = "DeduperBoundedPOJOImplTest"; |
| private static final int OPERATOR_ID = 0; |
| private static BoundedDedupOperator deduper; |
| private static final int NUM_BUCKETS = 10; |
| |
| @Before |
| public void setup() |
| { |
| applicationPath = OperatorContextTestHelper.getUniqueApplicationPath(APPLICATION_PATH_PREFIX); |
| deduper = new BoundedDedupOperator(); |
| deduper.setKeyExpression("key"); |
| deduper.setNumBuckets(NUM_BUCKETS); |
| } |
| |
| @Test |
| public void testDedup() |
| { |
| com.datatorrent.api.Attribute.AttributeMap.DefaultAttributeMap attributes = |
| new com.datatorrent.api.Attribute.AttributeMap.DefaultAttributeMap(); |
| attributes.put(DAG.APPLICATION_ID, APP_ID); |
| attributes.put(DAG.APPLICATION_PATH, applicationPath); |
| attributes.put(DAG.InputPortMeta.TUPLE_CLASS, TestPojo.class); |
| OperatorContext context = mockOperatorContext(OPERATOR_ID, attributes); |
| deduper.setup(context); |
| deduper.input.setup(new PortContext(attributes, context)); |
| deduper.activate(context); |
| CollectorTestSink<TestPojo> uniqueSink = new CollectorTestSink<TestPojo>(); |
| TestUtils.setSink(deduper.unique, uniqueSink); |
| CollectorTestSink<TestPojo> duplicateSink = new CollectorTestSink<TestPojo>(); |
| TestUtils.setSink(deduper.duplicate, duplicateSink); |
| CollectorTestSink<TestPojo> expiredSink = new CollectorTestSink<TestPojo>(); |
| TestUtils.setSink(deduper.expired, expiredSink); |
| |
| deduper.beginWindow(0); |
| Random r = new Random(); |
| int k = 1; |
| for (int i = 1; i <= 1000; i++) { |
| TestPojo pojo = new TestPojo(i, new Date(), k++); |
| deduper.input.process(pojo); |
| if (i % 10 == 0) { |
| int dupId = r.nextInt(i); |
| TestPojo pojoDuplicate = new TestPojo(dupId == 0 ? 1 : dupId, new Date(), k++); |
| deduper.input.process(pojoDuplicate); |
| } |
| } |
| deduper.handleIdleTime(); |
| deduper.endWindow(); |
| |
| Assert.assertTrue(uniqueSink.collectedTuples.size() == 1000); |
| Assert.assertTrue(duplicateSink.collectedTuples.size() == 100); |
| |
| deduper.teardown(); |
| } |
| |
| @After |
| public void teardown() |
| { |
| Path root = new Path(applicationPath); |
| try { |
| FileSystem fs = FileSystem.newInstance(root.toUri(), new Configuration()); |
| fs.delete(root, true); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |