| /* |
| * 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.beam.runners.apex.translation; |
| |
| import com.datatorrent.api.DAG; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import org.apache.beam.runners.apex.ApexPipelineOptions; |
| import org.apache.beam.runners.apex.ApexRunner; |
| import org.apache.beam.runners.apex.ApexRunnerResult; |
| import org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator; |
| import org.apache.beam.runners.apex.translation.utils.CollectionSource; |
| import org.apache.beam.sdk.Pipeline; |
| import org.apache.beam.sdk.coders.StringUtf8Coder; |
| import org.apache.beam.sdk.io.GenerateSequence; |
| import org.apache.beam.sdk.io.Read; |
| import org.apache.beam.sdk.options.PipelineOptionsFactory; |
| import org.apache.beam.sdk.transforms.DoFn; |
| import org.apache.beam.sdk.transforms.ParDo; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ContiguousSet; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.DiscreteDomain; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Lists; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Range; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Sets; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** integration test for {@link ReadUnboundedTranslator}. */ |
| public class ReadUnboundTranslatorTest { |
| private static final Logger LOG = LoggerFactory.getLogger(ReadUnboundTranslatorTest.class); |
| |
| @Test |
| public void test() throws Exception { |
| ApexPipelineOptions options = PipelineOptionsFactory.create().as(ApexPipelineOptions.class); |
| EmbeddedCollector.RESULTS.clear(); |
| options.setApplicationName("ReadUnbound"); |
| options.setRunner(ApexRunner.class); |
| Pipeline p = Pipeline.create(options); |
| |
| List<String> collection = Lists.newArrayList("1", "2", "3", "4", "5"); |
| CollectionSource<String> source = new CollectionSource<>(collection, StringUtf8Coder.of()); |
| p.apply(Read.from(source)).apply(ParDo.of(new EmbeddedCollector())); |
| |
| ApexRunnerResult result = (ApexRunnerResult) p.run(); |
| DAG dag = result.getApexDAG(); |
| DAG.OperatorMeta om = dag.getOperatorMeta("Read(CollectionSource)"); |
| Assert.assertNotNull(om); |
| Assert.assertEquals(om.getOperator().getClass(), ApexReadUnboundedInputOperator.class); |
| |
| long timeout = System.currentTimeMillis() + 30000; |
| while (System.currentTimeMillis() < timeout) { |
| if (EmbeddedCollector.RESULTS.containsAll(collection)) { |
| break; |
| } |
| LOG.info("Waiting for expected results."); |
| Thread.sleep(1000); |
| } |
| Assert.assertEquals(Sets.newHashSet(collection), EmbeddedCollector.RESULTS); |
| } |
| |
| @Test |
| public void testReadBounded() throws Exception { |
| ApexPipelineOptions options = PipelineOptionsFactory.create().as(ApexPipelineOptions.class); |
| EmbeddedCollector.RESULTS.clear(); |
| options.setApplicationName("ReadBounded"); |
| options.setRunner(ApexRunner.class); |
| Pipeline p = Pipeline.create(options); |
| |
| Set<Long> expected = ContiguousSet.create(Range.closedOpen(0L, 10L), DiscreteDomain.longs()); |
| p.apply(GenerateSequence.from(0).to(10)).apply(ParDo.of(new EmbeddedCollector())); |
| |
| ApexRunnerResult result = (ApexRunnerResult) p.run(); |
| DAG dag = result.getApexDAG(); |
| String operatorName = "GenerateSequence/Read(BoundedCountingSource)"; |
| DAG.OperatorMeta om = dag.getOperatorMeta(operatorName); |
| Assert.assertNotNull(om); |
| Assert.assertEquals(om.getOperator().getClass(), ApexReadUnboundedInputOperator.class); |
| |
| long timeout = System.currentTimeMillis() + 30000; |
| while (System.currentTimeMillis() < timeout) { |
| if (EmbeddedCollector.RESULTS.containsAll(expected)) { |
| break; |
| } |
| LOG.info("Waiting for expected results."); |
| Thread.sleep(1000); |
| } |
| Assert.assertEquals(Sets.newHashSet(expected), EmbeddedCollector.RESULTS); |
| } |
| |
| private static class EmbeddedCollector extends DoFn<Object, Void> { |
| private static final long serialVersionUID = 1L; |
| private static final Set<Object> RESULTS = Collections.synchronizedSet(new HashSet<>()); |
| |
| @ProcessElement |
| public void processElement(ProcessContext c) throws Exception { |
| RESULTS.add(c.element()); |
| } |
| } |
| } |