| /* |
| * 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.sdk.io.gcp.pubsub; |
| |
| import java.util.Set; |
| import org.apache.beam.runners.direct.DirectOptions; |
| import org.apache.beam.sdk.PipelineResult; |
| import org.apache.beam.sdk.testing.TestPipeline; |
| import org.apache.beam.sdk.transforms.SerializableFunction; |
| import org.apache.beam.sdk.values.PCollection; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Strings; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Supplier; |
| import org.joda.time.Duration; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** Integration test for PubsubIO. */ |
| @RunWith(JUnit4.class) |
| public class PubsubReadIT { |
| private static final Logger LOG = LoggerFactory.getLogger(PubsubReadIT.class); |
| |
| @Rule public transient TestPubsubSignal signal = TestPubsubSignal.create(); |
| @Rule public transient TestPipeline pipeline = TestPipeline.create(); |
| |
| @Test |
| public void testReadPublicData() throws Exception { |
| // The pipeline will never terminate on its own |
| pipeline.getOptions().as(DirectOptions.class).setBlockOnRun(false); |
| |
| PCollection<String> messages = |
| pipeline.apply( |
| PubsubIO.readStrings() |
| .fromTopic("projects/pubsub-public-data/topics/taxirides-realtime")); |
| |
| messages.apply( |
| "waitForAnyMessage", signal.signalSuccessWhen(messages.getCoder(), anyMessages -> true)); |
| |
| Supplier<Void> start = signal.waitForStart(Duration.standardMinutes(5)); |
| pipeline.apply(signal.signalStart()); |
| PipelineResult job = pipeline.run(); |
| start.get(); |
| |
| signal.waitForSuccess(Duration.standardSeconds(30)); |
| // A runner may not support cancel |
| try { |
| job.cancel(); |
| } catch (UnsupportedOperationException exc) { |
| // noop |
| } |
| } |
| |
| @Test |
| public void testReadPubsubMessageId() throws Exception { |
| // The pipeline will never terminate on its own |
| pipeline.getOptions().as(DirectOptions.class).setBlockOnRun(false); |
| |
| PCollection<PubsubMessage> messages = |
| pipeline.apply( |
| PubsubIO.readMessagesWithAttributesAndMessageId() |
| .fromTopic("projects/pubsub-public-data/topics/taxirides-realtime")); |
| |
| messages.apply( |
| "isMessageIdNonNull", |
| signal.signalSuccessWhen(messages.getCoder(), new NonEmptyMessageIdCheck())); |
| |
| Supplier<Void> start = signal.waitForStart(Duration.standardMinutes(5)); |
| pipeline.apply(signal.signalStart()); |
| PipelineResult job = pipeline.run(); |
| start.get(); |
| |
| signal.waitForSuccess(Duration.standardMinutes(1)); |
| // A runner may not support cancel |
| try { |
| job.cancel(); |
| } catch (UnsupportedOperationException exc) { |
| // noop |
| } |
| } |
| |
| private static class NonEmptyMessageIdCheck |
| implements SerializableFunction<Set<PubsubMessage>, Boolean> { |
| @Override |
| public Boolean apply(Set<PubsubMessage> input) { |
| for (PubsubMessage message : input) { |
| if (Strings.isNullOrEmpty(message.getMessageId())) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |
| } |