| /* |
| * 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.learning.katas.windowing.addingtimestamp.pardo; |
| |
| import java.io.Serializable; |
| import java.util.Arrays; |
| import java.util.List; |
| import org.apache.beam.sdk.testing.PAssert; |
| import org.apache.beam.sdk.testing.TestPipeline; |
| import org.apache.beam.sdk.transforms.Create; |
| import org.apache.beam.sdk.transforms.DoFn; |
| import org.apache.beam.sdk.transforms.ParDo; |
| import org.apache.beam.sdk.values.KV; |
| import org.apache.beam.sdk.values.PCollection; |
| import org.joda.time.DateTime; |
| import org.joda.time.Instant; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| public class TaskTest implements Serializable { |
| |
| @Rule |
| public final transient TestPipeline testPipeline = TestPipeline.create(); |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void windowing_addingTimeStamp_parDo() { |
| List<Event> events = Arrays.asList( |
| new Event("1", "book-order", DateTime.parse("2019-06-01T00:00:00+00:00")), |
| new Event("2", "pencil-order", DateTime.parse("2019-06-02T00:00:00+00:00")), |
| new Event("3", "paper-order", DateTime.parse("2019-06-03T00:00:00+00:00")), |
| new Event("4", "pencil-order", DateTime.parse("2019-06-04T00:00:00+00:00")), |
| new Event("5", "book-order", DateTime.parse("2019-06-05T00:00:00+00:00")) |
| ); |
| |
| PCollection<Event> eventsPColl = testPipeline.apply(Create.of(events)); |
| |
| PCollection<Event> results = Task.applyTransform(eventsPColl); |
| |
| PCollection<KV<Event, Instant>> timestampedResults = |
| results.apply("KV<Event, Instant>", |
| ParDo.of(new DoFn<Event, KV<Event, Instant>>() { |
| |
| @ProcessElement |
| public void processElement(@Element Event event, ProcessContext context, |
| OutputReceiver<KV<Event, Instant>> out) { |
| |
| out.output(KV.of(event, context.timestamp())); |
| } |
| |
| }) |
| ); |
| |
| PAssert.that(results) |
| .containsInAnyOrder(events); |
| |
| PAssert.that(timestampedResults) |
| .containsInAnyOrder( |
| KV.of(events.get(0), events.get(0).getDate().toInstant()), |
| KV.of(events.get(1), events.get(1).getDate().toInstant()), |
| KV.of(events.get(2), events.get(2).getDate().toInstant()), |
| KV.of(events.get(3), events.get(3).getDate().toInstant()), |
| KV.of(events.get(4), events.get(4).getDate().toInstant()) |
| ); |
| |
| testPipeline.run().waitUntilFinish(); |
| } |
| |
| } |