| /* |
| * 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.fn.data; |
| |
| import static org.apache.beam.sdk.util.WindowedValue.valueInGlobalWindow; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.contains; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertThrows; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import org.apache.beam.model.fnexecution.v1.BeamFnApi; |
| import org.apache.beam.sdk.coders.Coder; |
| import org.apache.beam.sdk.coders.StringUtf8Coder; |
| import org.apache.beam.sdk.fn.test.TestExecutors; |
| import org.apache.beam.sdk.fn.test.TestExecutors.TestExecutorService; |
| import org.apache.beam.sdk.transforms.windowing.GlobalWindow; |
| import org.apache.beam.sdk.util.ByteStringOutputStream; |
| import org.apache.beam.sdk.util.WindowedValue; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link BeamFnDataInboundObserver2}. */ |
| @RunWith(JUnit4.class) |
| public class BeamFnDataInboundObserver2Test { |
| private static final Coder<WindowedValue<String>> CODER = |
| WindowedValue.getFullCoder(StringUtf8Coder.of(), GlobalWindow.Coder.INSTANCE); |
| private static final String TRANSFORM_ID = "transformId"; |
| private static final String TIMER_FAMILY_ID = "timerFamilyId"; |
| |
| @Rule |
| public final TestExecutorService executor = TestExecutors.from(Executors::newCachedThreadPool); |
| |
| @Test |
| public void testConsumptionOfValuesHappensOnAwaitCompletionCallersThread() throws Exception { |
| Thread thread = Thread.currentThread(); |
| Collection<WindowedValue<String>> values = new ArrayList<>(); |
| Collection<WindowedValue<String>> timers = new ArrayList<>(); |
| BeamFnDataInboundObserver2 observer = |
| BeamFnDataInboundObserver2.forConsumers( |
| Arrays.asList( |
| DataEndpoint.create( |
| TRANSFORM_ID, |
| CODER, |
| (value) -> { |
| assertSame(thread, Thread.currentThread()); |
| values.add(value); |
| })), |
| Arrays.asList( |
| TimerEndpoint.create( |
| TRANSFORM_ID, |
| TIMER_FAMILY_ID, |
| CODER, |
| (value) -> { |
| assertSame(thread, Thread.currentThread()); |
| timers.add(value); |
| }))); |
| |
| Future<?> future = |
| executor.submit( |
| () -> { |
| // Test decoding multiple messages |
| observer.accept(dataWith("ABC", "DEF", "GHI")); |
| observer.accept(lastData()); |
| observer.accept(timerWith("UVW")); |
| observer.accept(timerWith("XYZ")); |
| observer.accept(lastTimer()); |
| return null; |
| }); |
| |
| observer.awaitCompletion(); |
| assertThat( |
| values, |
| contains( |
| valueInGlobalWindow("ABC"), valueInGlobalWindow("DEF"), valueInGlobalWindow("GHI"))); |
| assertThat(timers, contains(valueInGlobalWindow("UVW"), valueInGlobalWindow("XYZ"))); |
| future.get(); |
| } |
| |
| @Test |
| public void testAwaitCompletionFailureVisibleToAwaitCompletionCallerAndProducer() |
| throws Exception { |
| BeamFnDataInboundObserver2 observer = |
| BeamFnDataInboundObserver2.forConsumers( |
| Arrays.asList( |
| DataEndpoint.create( |
| TRANSFORM_ID, |
| CODER, |
| (value) -> { |
| throw new Exception("test consumer failed"); |
| })), |
| Collections.emptyList()); |
| |
| Future<?> future = |
| executor.submit( |
| () -> { |
| observer.accept(dataWith("ABC")); |
| assertThrows( |
| "test consumer failed", |
| Exception.class, |
| () -> { |
| while (true) { |
| // keep trying to send messages since the queue buffers messages and the |
| // consumer |
| // may have not yet noticed the bad state. |
| observer.accept(dataWith("ABC")); |
| } |
| }); |
| return null; |
| }); |
| |
| assertThrows("test consumer failed", Exception.class, () -> observer.awaitCompletion()); |
| future.get(); |
| } |
| |
| @Test |
| public void testCloseVisibleToAwaitCompletionCallerAndProducer() throws Exception { |
| BeamFnDataInboundObserver2 observer = |
| BeamFnDataInboundObserver2.forConsumers( |
| Arrays.asList(DataEndpoint.create(TRANSFORM_ID, CODER, (value) -> {})), |
| Collections.emptyList()); |
| |
| Future<?> future = |
| executor.submit( |
| () -> { |
| observer.accept(dataWith("ABC")); |
| assertThrows( |
| BeamFnDataInboundObserver2.CloseException.class, |
| () -> { |
| while (true) { |
| // keep trying to send messages since the queue buffers messages and the |
| // consumer |
| // may have not yet noticed the bad state. |
| observer.accept(dataWith("ABC")); |
| } |
| }); |
| return null; |
| }); |
| Future<?> future2 = |
| executor.submit( |
| () -> { |
| observer.close(); |
| return null; |
| }); |
| |
| assertThrows(BeamFnDataInboundObserver2.CloseException.class, () -> observer.awaitCompletion()); |
| future.get(); |
| future2.get(); |
| } |
| |
| @Test |
| public void testBadProducerDataFailureVisibleToAwaitCompletionCallerAndProducer() |
| throws Exception { |
| BeamFnDataInboundObserver2 observer = |
| BeamFnDataInboundObserver2.forConsumers( |
| Arrays.asList(DataEndpoint.create(TRANSFORM_ID, CODER, (value) -> {})), |
| Collections.emptyList()); |
| Future<?> future = |
| executor.submit( |
| () -> { |
| observer.accept(timerWith("DEF")); |
| assertThrows( |
| "Unable to find inbound timer receiver for instruction", |
| IllegalStateException.class, |
| () -> { |
| // keep trying to send messages since the queue buffers messages and the |
| // consumer |
| // may have not yet noticed the bad state. |
| while (true) { |
| observer.accept(dataWith("ABC")); |
| } |
| }); |
| return null; |
| }); |
| |
| assertThrows( |
| "Unable to find inbound timer receiver for instruction", |
| IllegalStateException.class, |
| () -> observer.awaitCompletion()); |
| future.get(); |
| } |
| |
| private BeamFnApi.Elements dataWith(String... values) throws Exception { |
| ByteStringOutputStream output = new ByteStringOutputStream(); |
| for (String value : values) { |
| CODER.encode(valueInGlobalWindow(value), output); |
| } |
| return BeamFnApi.Elements.newBuilder() |
| .addData( |
| BeamFnApi.Elements.Data.newBuilder() |
| .setTransformId(TRANSFORM_ID) |
| .setData(output.toByteString())) |
| .build(); |
| } |
| |
| private BeamFnApi.Elements lastData() throws Exception { |
| return BeamFnApi.Elements.newBuilder() |
| .addData(BeamFnApi.Elements.Data.newBuilder().setTransformId(TRANSFORM_ID).setIsLast(true)) |
| .build(); |
| } |
| |
| private BeamFnApi.Elements timerWith(String... values) throws Exception { |
| ByteStringOutputStream output = new ByteStringOutputStream(); |
| for (String value : values) { |
| CODER.encode(valueInGlobalWindow(value), output); |
| } |
| return BeamFnApi.Elements.newBuilder() |
| .addTimers( |
| BeamFnApi.Elements.Timers.newBuilder() |
| .setTransformId(TRANSFORM_ID) |
| .setTimerFamilyId(TIMER_FAMILY_ID) |
| .setTimers(output.toByteString())) |
| .build(); |
| } |
| |
| private BeamFnApi.Elements lastTimer() throws Exception { |
| return BeamFnApi.Elements.newBuilder() |
| .addTimers( |
| BeamFnApi.Elements.Timers.newBuilder() |
| .setTransformId(TRANSFORM_ID) |
| .setTimerFamilyId(TIMER_FAMILY_ID) |
| .setIsLast(true)) |
| .build(); |
| } |
| } |