| /* |
| * 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.transforms; |
| |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.junit.Assert.assertThat; |
| |
| import java.io.Serializable; |
| import org.apache.beam.sdk.testing.PAssert; |
| import org.apache.beam.sdk.testing.TestPipeline; |
| import org.apache.beam.sdk.testing.ValidatesRunner; |
| import org.apache.beam.sdk.values.KV; |
| import org.apache.beam.sdk.values.PCollection; |
| import org.apache.beam.sdk.values.TimestampedValue; |
| import org.joda.time.Instant; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link ReifyTimestamps}. */ |
| @RunWith(JUnit4.class) |
| public class ReifyTimestampsTest implements Serializable { |
| @Rule public transient TestPipeline pipeline = TestPipeline.create(); |
| |
| @Test |
| @Category(ValidatesRunner.class) |
| public void inValuesSucceeds() { |
| PCollection<KV<String, Integer>> timestamped = |
| pipeline |
| .apply(Create.of(KV.of("foo", 0), KV.of("foo", 1), KV.of("bar", 2), KV.of("baz", 3))) |
| .apply(WithTimestamps.of(input -> new Instant(input.getValue().longValue()))); |
| |
| PCollection<KV<String, TimestampedValue<Integer>>> reified = |
| timestamped.apply(ReifyTimestamps.inValues()); |
| |
| PAssert.that(reified) |
| .containsInAnyOrder( |
| KV.of("foo", TimestampedValue.of(0, new Instant(0))), |
| KV.of("foo", TimestampedValue.of(1, new Instant(1))), |
| KV.of("bar", TimestampedValue.of(2, new Instant(2))), |
| KV.of("baz", TimestampedValue.of(3, new Instant(3)))); |
| |
| pipeline.run(); |
| } |
| |
| @Test |
| @Category(ValidatesRunner.class) |
| public void extractFromValuesSucceeds() { |
| PCollection<KV<String, TimestampedValue<Integer>>> preified = |
| pipeline.apply( |
| Create.of( |
| KV.of("foo", TimestampedValue.of(0, new Instant(0))), |
| KV.of("foo", TimestampedValue.of(1, new Instant(1))), |
| KV.of("bar", TimestampedValue.of(2, new Instant(2))), |
| KV.of("baz", TimestampedValue.of(3, new Instant(3))))); |
| |
| PCollection<KV<String, Integer>> timestamped = |
| preified.apply(ReifyTimestamps.extractFromValues()); |
| |
| PAssert.that(timestamped) |
| .containsInAnyOrder(KV.of("foo", 0), KV.of("foo", 1), KV.of("bar", 2), KV.of("baz", 3)); |
| |
| timestamped.apply( |
| "AssertElementTimestamps", |
| ParDo.of( |
| new DoFn<KV<String, Integer>, Void>() { |
| @ProcessElement |
| public void verifyTimestampsEqualValue(ProcessContext context) { |
| assertThat( |
| new Instant(context.element().getValue().longValue()), |
| equalTo(context.timestamp())); |
| } |
| })); |
| |
| pipeline.run(); |
| } |
| |
| @Test |
| @Category(ValidatesRunner.class) |
| public void extractFromValuesWhenValueTimestampedLaterSucceeds() { |
| PCollection<KV<String, TimestampedValue<Integer>>> preified = |
| pipeline.apply( |
| Create.timestamped( |
| TimestampedValue.of( |
| KV.of("foo", TimestampedValue.of(0, new Instant(0))), new Instant(100)), |
| TimestampedValue.of( |
| KV.of("foo", TimestampedValue.of(1, new Instant(1))), new Instant(101L)), |
| TimestampedValue.of( |
| KV.of("bar", TimestampedValue.of(2, new Instant(2))), new Instant(102L)), |
| TimestampedValue.of( |
| KV.of("baz", TimestampedValue.of(3, new Instant(3))), new Instant(103L)))); |
| |
| PCollection<KV<String, Integer>> timestamped = |
| preified.apply(ReifyTimestamps.extractFromValues()); |
| |
| PAssert.that(timestamped) |
| .containsInAnyOrder(KV.of("foo", 0), KV.of("foo", 1), KV.of("bar", 2), KV.of("baz", 3)); |
| |
| timestamped.apply( |
| "AssertElementTimestamps", |
| ParDo.of( |
| new DoFn<KV<String, Integer>, Void>() { |
| @ProcessElement |
| public void verifyTimestampsEqualValue(ProcessContext context) { |
| assertThat( |
| new Instant(context.element().getValue().longValue()), |
| equalTo(context.timestamp())); |
| } |
| })); |
| |
| pipeline.run(); |
| } |
| } |