| /* |
| * 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.core.construction; |
| |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.hamcrest.Matchers.instanceOf; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assume.assumeThat; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.List; |
| import javax.annotation.Nullable; |
| import org.apache.beam.model.pipeline.v1.RunnerApi; |
| import org.apache.beam.model.pipeline.v1.RunnerApi.ReadPayload; |
| import org.apache.beam.sdk.coders.AtomicCoder; |
| import org.apache.beam.sdk.coders.ByteArrayCoder; |
| import org.apache.beam.sdk.coders.Coder; |
| import org.apache.beam.sdk.coders.CoderException; |
| import org.apache.beam.sdk.coders.StringUtf8Coder; |
| import org.apache.beam.sdk.io.BoundedSource; |
| import org.apache.beam.sdk.io.CountingSource; |
| import org.apache.beam.sdk.io.Read; |
| import org.apache.beam.sdk.io.Source; |
| import org.apache.beam.sdk.io.UnboundedSource; |
| import org.apache.beam.sdk.io.UnboundedSource.CheckpointMark; |
| import org.apache.beam.sdk.options.PipelineOptions; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** Tests for {@link ReadTranslation}. */ |
| @RunWith(Parameterized.class) |
| public class ReadTranslationTest { |
| |
| @Parameters(name = "{index}: {0}") |
| public static Iterable<Source<?>> data() { |
| return ImmutableList.of( |
| CountingSource.unbounded(), |
| CountingSource.upTo(100L), |
| new TestBoundedSource(), |
| new TestUnboundedSource()); |
| } |
| |
| @Parameter(0) |
| public Source<?> source; |
| |
| @Test |
| public void testToFromProtoBounded() throws Exception { |
| // TODO: Split into two tests. |
| assumeThat(source, instanceOf(BoundedSource.class)); |
| BoundedSource<?> boundedSource = (BoundedSource<?>) this.source; |
| Read.Bounded<?> boundedRead = Read.from(boundedSource); |
| SdkComponents components = SdkComponents.create(); |
| components.registerEnvironment(Environments.createDockerEnvironment("java")); |
| ReadPayload payload = ReadTranslation.toProto(boundedRead, components); |
| assertThat(payload.getIsBounded(), equalTo(RunnerApi.IsBounded.Enum.BOUNDED)); |
| BoundedSource<?> deserializedSource = ReadTranslation.boundedSourceFromProto(payload); |
| assertThat(deserializedSource, equalTo(source)); |
| } |
| |
| @Test |
| public void testToFromProtoUnbounded() throws Exception { |
| assumeThat(source, instanceOf(UnboundedSource.class)); |
| UnboundedSource<?, ?> unboundedSource = (UnboundedSource<?, ?>) this.source; |
| Read.Unbounded<?> unboundedRead = Read.from(unboundedSource); |
| SdkComponents components = SdkComponents.create(); |
| // No environment set for unbounded sources |
| ReadPayload payload = ReadTranslation.toProto(unboundedRead, components); |
| assertThat(payload.getIsBounded(), equalTo(RunnerApi.IsBounded.Enum.UNBOUNDED)); |
| UnboundedSource<?, ?> deserializedSource = ReadTranslation.unboundedSourceFromProto(payload); |
| assertThat(deserializedSource, equalTo(source)); |
| } |
| |
| private static class TestBoundedSource extends BoundedSource<String> { |
| @Override |
| public List<? extends BoundedSource<String>> split( |
| long desiredBundleSizeBytes, PipelineOptions options) throws Exception { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public long getEstimatedSizeBytes(PipelineOptions options) throws Exception { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public BoundedReader<String> createReader(PipelineOptions options) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Coder<String> getOutputCoder() { |
| return StringUtf8Coder.of(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| return other != null && other.getClass().equals(TestBoundedSource.class); |
| } |
| |
| @Override |
| public int hashCode() { |
| return TestBoundedSource.class.hashCode(); |
| } |
| } |
| |
| private static class TestUnboundedSource extends UnboundedSource<byte[], CheckpointMark> { |
| @Override |
| public Coder<byte[]> getOutputCoder() { |
| return ByteArrayCoder.of(); |
| } |
| |
| @Override |
| public List<? extends UnboundedSource<byte[], CheckpointMark>> split( |
| int desiredNumSplits, PipelineOptions options) throws Exception { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public UnboundedReader<byte[]> createReader( |
| PipelineOptions options, @Nullable CheckpointMark checkpointMark) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Coder<CheckpointMark> getCheckpointMarkCoder() { |
| return new TestCheckpointMarkCoder(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| return other != null && other.getClass().equals(TestUnboundedSource.class); |
| } |
| |
| @Override |
| public int hashCode() { |
| return TestUnboundedSource.class.hashCode(); |
| } |
| |
| private static class TestCheckpointMarkCoder extends AtomicCoder<CheckpointMark> { |
| @Override |
| public void encode(CheckpointMark value, OutputStream outStream) |
| throws CoderException, IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public CheckpointMark decode(InputStream inStream) throws CoderException, IOException { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| } |
| } |