/* * 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.fn.harness.control; import static org.apache.beam.sdk.util.WindowedValue.timestampedValueInGlobalWindow; import static org.apache.beam.sdk.util.WindowedValue.valueInGlobalWindow; import static org.hamcrest.Matchers.contains; import static org.hamcrest.Matchers.empty; import static org.hamcrest.Matchers.equalTo; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertThat; import static org.junit.Assert.assertTrue; import static org.mockito.Matchers.any; import static org.mockito.Matchers.eq; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.verifyNoMoreInteractions; import static org.mockito.Mockito.verifyZeroInteractions; import static org.mockito.Mockito.when; import com.fasterxml.jackson.databind.ObjectMapper; import com.google.common.base.Suppliers; import com.google.common.collect.HashMultimap; import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableMap; import com.google.common.collect.ImmutableMultimap; import com.google.common.collect.ImmutableSet; import com.google.common.collect.Iterables; import com.google.common.collect.Multimap; import com.google.protobuf.Any; import com.google.protobuf.ByteString; import com.google.protobuf.BytesValue; import com.google.protobuf.Message; import java.io.IOException; import java.util.ArrayList; import java.util.Collection; import java.util.List; import java.util.Map; import java.util.concurrent.CompletableFuture; import java.util.concurrent.atomic.AtomicBoolean; import java.util.function.BiConsumer; import java.util.function.Consumer; import java.util.function.Function; import java.util.function.Supplier; import org.apache.beam.fn.harness.data.BeamFnDataClient; import org.apache.beam.fn.harness.fn.CloseableThrowingConsumer; import org.apache.beam.fn.harness.fn.ThrowingConsumer; import org.apache.beam.fn.harness.fn.ThrowingRunnable; import org.apache.beam.fn.v1.BeamFnApi; import org.apache.beam.runners.dataflow.util.CloudObjects; import org.apache.beam.runners.dataflow.util.DoFnInfo; import org.apache.beam.sdk.coders.Coder; import org.apache.beam.sdk.coders.StringUtf8Coder; import org.apache.beam.sdk.coders.VarLongCoder; import org.apache.beam.sdk.io.BoundedSource; import org.apache.beam.sdk.io.CountingSource; import org.apache.beam.sdk.options.PipelineOptionsFactory; import org.apache.beam.sdk.transforms.DoFn; import org.apache.beam.sdk.transforms.windowing.BoundedWindow; import org.apache.beam.sdk.transforms.windowing.GlobalWindow; import org.apache.beam.sdk.util.SerializableUtils; import org.apache.beam.sdk.util.WindowedValue; import org.apache.beam.sdk.values.KV; import org.apache.beam.sdk.values.TupleTag; import org.apache.beam.sdk.values.WindowingStrategy; import org.junit.Before; import org.junit.Rule; import org.junit.Test; import org.junit.rules.ExpectedException; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; import org.mockito.ArgumentCaptor; import org.mockito.Captor; import org.mockito.Matchers; import org.mockito.Mock; import org.mockito.MockitoAnnotations; /** Tests for {@link ProcessBundleHandler}. */ @RunWith(JUnit4.class) public class ProcessBundleHandlerTest { private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper(); private static final Coder<WindowedValue<String>> STRING_CODER = WindowedValue.getFullCoder(StringUtf8Coder.of(), GlobalWindow.Coder.INSTANCE); private static final String LONG_CODER_SPEC_ID = "998L"; private static final String STRING_CODER_SPEC_ID = "999L"; private static final BeamFnApi.RemoteGrpcPort REMOTE_PORT = BeamFnApi.RemoteGrpcPort.newBuilder() .setApiServiceDescriptor(BeamFnApi.ApiServiceDescriptor.newBuilder() .setId("58L") .setUrl("TestUrl")) .build(); private static final BeamFnApi.Coder LONG_CODER_SPEC; private static final BeamFnApi.Coder STRING_CODER_SPEC; static { try { STRING_CODER_SPEC = BeamFnApi.Coder.newBuilder().setFunctionSpec(BeamFnApi.FunctionSpec.newBuilder() .setId(STRING_CODER_SPEC_ID) .setData(Any.pack(BytesValue.newBuilder().setValue(ByteString.copyFrom( OBJECT_MAPPER.writeValueAsBytes(CloudObjects.asCloudObject(STRING_CODER)))).build()))) .build(); LONG_CODER_SPEC = BeamFnApi.Coder.newBuilder().setFunctionSpec(BeamFnApi.FunctionSpec.newBuilder() .setId(STRING_CODER_SPEC_ID) .setData(Any.pack(BytesValue.newBuilder().setValue(ByteString.copyFrom( OBJECT_MAPPER.writeValueAsBytes(CloudObjects.asCloudObject(WindowedValue.getFullCoder( VarLongCoder.of(), GlobalWindow.Coder.INSTANCE))))).build()))) .build(); } catch (IOException e) { throw new ExceptionInInitializerError(e); } } private static final String DATA_INPUT_URN = "urn:org.apache.beam:source:runner:0.1"; private static final String DATA_OUTPUT_URN = "urn:org.apache.beam:sink:runner:0.1"; private static final String JAVA_DO_FN_URN = "urn:org.apache.beam:dofn:java:0.1"; private static final String JAVA_SOURCE_URN = "urn:org.apache.beam:source:java:0.1"; @Rule public ExpectedException thrown = ExpectedException.none(); @Mock private BeamFnDataClient beamFnDataClient; @Captor private ArgumentCaptor<ThrowingConsumer<WindowedValue<String>>> consumerCaptor; @Before public void setUp() { MockitoAnnotations.initMocks(this); } @Test public void testOrderOfStartAndFinishCalls() throws Exception { BeamFnApi.ProcessBundleDescriptor processBundleDescriptor = BeamFnApi.ProcessBundleDescriptor.newBuilder() .addPrimitiveTransform(BeamFnApi.PrimitiveTransform.newBuilder().setId("2L")) .addPrimitiveTransform(BeamFnApi.PrimitiveTransform.newBuilder().setId("3L")) .build(); Map<String, Message> fnApiRegistry = ImmutableMap.of("1L", processBundleDescriptor); List<BeamFnApi.PrimitiveTransform> transformsProcessed = new ArrayList<>(); List<String> orderOfOperations = new ArrayList<>(); ProcessBundleHandler handler = new ProcessBundleHandler( PipelineOptionsFactory.create(), fnApiRegistry::get, beamFnDataClient) { @Override protected <InputT, OutputT> void createConsumersForPrimitiveTransform( BeamFnApi.PrimitiveTransform primitiveTransform, Supplier<String> processBundleInstructionId, Function<BeamFnApi.Target, Collection<ThrowingConsumer<WindowedValue<OutputT>>>> consumers, BiConsumer<BeamFnApi.Target, ThrowingConsumer<WindowedValue<InputT>>> addConsumer, Consumer<ThrowingRunnable> addStartFunction, Consumer<ThrowingRunnable> addFinishFunction) throws IOException { assertThat(processBundleInstructionId.get(), equalTo("999L")); transformsProcessed.add(primitiveTransform); addStartFunction.accept( () -> orderOfOperations.add("Start" + primitiveTransform.getId())); addFinishFunction.accept( () -> orderOfOperations.add("Finish" + primitiveTransform.getId())); } }; handler.processBundle(BeamFnApi.InstructionRequest.newBuilder() .setInstructionId("999L") .setProcessBundle( BeamFnApi.ProcessBundleRequest.newBuilder().setProcessBundleDescriptorReference("1L")) .build()); // Processing of primitive transforms is performed in reverse order. assertThat(transformsProcessed, contains( processBundleDescriptor.getPrimitiveTransform(1), processBundleDescriptor.getPrimitiveTransform(0))); // Start should occur in reverse order while finish calls should occur in forward order assertThat(orderOfOperations, contains("Start3L", "Start2L", "Finish2L", "Finish3L")); } @Test public void testCreatingPrimitiveTransformExceptionsArePropagated() throws Exception { BeamFnApi.ProcessBundleDescriptor processBundleDescriptor = BeamFnApi.ProcessBundleDescriptor.newBuilder() .addPrimitiveTransform(BeamFnApi.PrimitiveTransform.newBuilder().setId("2L")) .addPrimitiveTransform(BeamFnApi.PrimitiveTransform.newBuilder().setId("3L")) .build(); Map<String, Message> fnApiRegistry = ImmutableMap.of("1L", processBundleDescriptor); ProcessBundleHandler handler = new ProcessBundleHandler( PipelineOptionsFactory.create(), fnApiRegistry::get, beamFnDataClient) { @Override protected <InputT, OutputT> void createConsumersForPrimitiveTransform( BeamFnApi.PrimitiveTransform primitiveTransform, Supplier<String> processBundleInstructionId, Function<BeamFnApi.Target, Collection<ThrowingConsumer<WindowedValue<OutputT>>>> consumers, BiConsumer<BeamFnApi.Target, ThrowingConsumer<WindowedValue<InputT>>> addConsumer, Consumer<ThrowingRunnable> addStartFunction, Consumer<ThrowingRunnable> addFinishFunction) throws IOException { thrown.expect(IllegalStateException.class); thrown.expectMessage("TestException"); throw new IllegalStateException("TestException"); } }; handler.processBundle( BeamFnApi.InstructionRequest.newBuilder().setProcessBundle( BeamFnApi.ProcessBundleRequest.newBuilder().setProcessBundleDescriptorReference("1L")) .build()); } @Test public void testPrimitiveTransformStartExceptionsArePropagated() throws Exception { BeamFnApi.ProcessBundleDescriptor processBundleDescriptor = BeamFnApi.ProcessBundleDescriptor.newBuilder() .addPrimitiveTransform(BeamFnApi.PrimitiveTransform.newBuilder().setId("2L")) .addPrimitiveTransform(BeamFnApi.PrimitiveTransform.newBuilder().setId("3L")) .build(); Map<String, Message> fnApiRegistry = ImmutableMap.of("1L", processBundleDescriptor); ProcessBundleHandler handler = new ProcessBundleHandler( PipelineOptionsFactory.create(), fnApiRegistry::get, beamFnDataClient) { @Override protected <InputT, OutputT> void createConsumersForPrimitiveTransform( BeamFnApi.PrimitiveTransform primitiveTransform, Supplier<String> processBundleInstructionId, Function<BeamFnApi.Target, Collection<ThrowingConsumer<WindowedValue<OutputT>>>> consumers, BiConsumer<BeamFnApi.Target, ThrowingConsumer<WindowedValue<InputT>>> addConsumer, Consumer<ThrowingRunnable> addStartFunction, Consumer<ThrowingRunnable> addFinishFunction) throws IOException { thrown.expect(IllegalStateException.class); thrown.expectMessage("TestException"); addStartFunction.accept(this::throwException); } private void throwException() { throw new IllegalStateException("TestException"); } }; handler.processBundle( BeamFnApi.InstructionRequest.newBuilder().setProcessBundle( BeamFnApi.ProcessBundleRequest.newBuilder().setProcessBundleDescriptorReference("1L")) .build()); } @Test public void testPrimitiveTransformFinishExceptionsArePropagated() throws Exception { BeamFnApi.ProcessBundleDescriptor processBundleDescriptor = BeamFnApi.ProcessBundleDescriptor.newBuilder() .addPrimitiveTransform(BeamFnApi.PrimitiveTransform.newBuilder().setId("2L")) .addPrimitiveTransform(BeamFnApi.PrimitiveTransform.newBuilder().setId("3L")) .build(); Map<String, Message> fnApiRegistry = ImmutableMap.of("1L", processBundleDescriptor); ProcessBundleHandler handler = new ProcessBundleHandler( PipelineOptionsFactory.create(), fnApiRegistry::get, beamFnDataClient) { @Override protected <InputT, OutputT> void createConsumersForPrimitiveTransform( BeamFnApi.PrimitiveTransform primitiveTransform, Supplier<String> processBundleInstructionId, Function<BeamFnApi.Target, Collection<ThrowingConsumer<WindowedValue<OutputT>>>> consumers, BiConsumer<BeamFnApi.Target, ThrowingConsumer<WindowedValue<InputT>>> addConsumer, Consumer<ThrowingRunnable> addStartFunction, Consumer<ThrowingRunnable> addFinishFunction) throws IOException { thrown.expect(IllegalStateException.class); thrown.expectMessage("TestException"); addFinishFunction.accept(this::throwException); } private void throwException() { throw new IllegalStateException("TestException"); } }; handler.processBundle( BeamFnApi.InstructionRequest.newBuilder().setProcessBundle( BeamFnApi.ProcessBundleRequest.newBuilder().setProcessBundleDescriptorReference("1L")) .build()); } private static class TestDoFn extends DoFn<String, String> { private static final TupleTag<String> mainOutput = new TupleTag<>("mainOutput"); private static final TupleTag<String> additionalOutput = new TupleTag<>("output"); private BoundedWindow window; @ProcessElement public void processElement(ProcessContext context, BoundedWindow window) { context.output("MainOutput" + context.element()); context.output(additionalOutput, "AdditionalOutput" + context.element()); this.window = window; } @FinishBundle public void finishBundle(FinishBundleContext context) { if (window != null) { context.output("FinishBundle", window.maxTimestamp(), window); window = null; } } } /** * Create a DoFn that has 3 inputs (inputATarget1, inputATarget2, inputBTarget) and 2 outputs * (mainOutput, output). Validate that inputs are fed to the {@link DoFn} and that outputs * are directed to the correct consumers. */ @Test public void testCreatingAndProcessingDoFn() throws Exception { Map<String, Message> fnApiRegistry = ImmutableMap.of(STRING_CODER_SPEC_ID, STRING_CODER_SPEC); String primitiveTransformId = "100L"; long mainOutputId = 101L; long additionalOutputId = 102L; DoFnInfo<?, ?> doFnInfo = DoFnInfo.forFn( new TestDoFn(), WindowingStrategy.globalDefault(), ImmutableList.of(), STRING_CODER, mainOutputId, ImmutableMap.of( mainOutputId, TestDoFn.mainOutput, additionalOutputId, TestDoFn.additionalOutput)); BeamFnApi.FunctionSpec functionSpec = BeamFnApi.FunctionSpec.newBuilder() .setId("1L") .setUrn(JAVA_DO_FN_URN) .setData(Any.pack(BytesValue.newBuilder() .setValue(ByteString.copyFrom(SerializableUtils.serializeToByteArray(doFnInfo))) .build())) .build(); BeamFnApi.Target inputATarget1 = BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference("1000L") .setName("inputATarget1") .build(); BeamFnApi.Target inputATarget2 = BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference("1001L") .setName("inputATarget1") .build(); BeamFnApi.Target inputBTarget = BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference("1002L") .setName("inputBTarget") .build(); BeamFnApi.PrimitiveTransform primitiveTransform = BeamFnApi.PrimitiveTransform.newBuilder() .setId(primitiveTransformId) .setFunctionSpec(functionSpec) .putInputs("inputA", BeamFnApi.Target.List.newBuilder() .addTarget(inputATarget1) .addTarget(inputATarget2) .build()) .putInputs("inputB", BeamFnApi.Target.List.newBuilder() .addTarget(inputBTarget) .build()) .putOutputs(Long.toString(mainOutputId), BeamFnApi.PCollection.newBuilder() .setCoderReference(STRING_CODER_SPEC_ID) .build()) .putOutputs(Long.toString(additionalOutputId), BeamFnApi.PCollection.newBuilder() .setCoderReference(STRING_CODER_SPEC_ID) .build()) .build(); List<WindowedValue<String>> mainOutputValues = new ArrayList<>(); List<WindowedValue<String>> additionalOutputValues = new ArrayList<>(); BeamFnApi.Target mainOutputTarget = BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference(primitiveTransformId) .setName(Long.toString(mainOutputId)) .build(); BeamFnApi.Target additionalOutputTarget = BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference(primitiveTransformId) .setName(Long.toString(additionalOutputId)) .build(); Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<String>>> existingConsumers = ImmutableMultimap.of( mainOutputTarget, mainOutputValues::add, additionalOutputTarget, additionalOutputValues::add); Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<String>>> newConsumers = HashMultimap.create(); List<ThrowingRunnable> startFunctions = new ArrayList<>(); List<ThrowingRunnable> finishFunctions = new ArrayList<>(); ProcessBundleHandler handler = new ProcessBundleHandler( PipelineOptionsFactory.create(), fnApiRegistry::get, beamFnDataClient); handler.createConsumersForPrimitiveTransform( primitiveTransform, Suppliers.ofInstance("57L")::get, existingConsumers::get, newConsumers::put, startFunctions::add, finishFunctions::add); Iterables.getOnlyElement(startFunctions).run(); mainOutputValues.clear(); assertEquals(newConsumers.keySet(), ImmutableSet.of(inputATarget1, inputATarget2, inputBTarget)); Iterables.getOnlyElement(newConsumers.get(inputATarget1)).accept(valueInGlobalWindow("A1")); Iterables.getOnlyElement(newConsumers.get(inputATarget1)).accept(valueInGlobalWindow("A2")); Iterables.getOnlyElement(newConsumers.get(inputATarget1)).accept(valueInGlobalWindow("B")); assertThat(mainOutputValues, contains( valueInGlobalWindow("MainOutputA1"), valueInGlobalWindow("MainOutputA2"), valueInGlobalWindow("MainOutputB"))); assertThat(additionalOutputValues, contains( valueInGlobalWindow("AdditionalOutputA1"), valueInGlobalWindow("AdditionalOutputA2"), valueInGlobalWindow("AdditionalOutputB"))); mainOutputValues.clear(); additionalOutputValues.clear(); Iterables.getOnlyElement(finishFunctions).run(); assertThat( mainOutputValues, contains( timestampedValueInGlobalWindow("FinishBundle", GlobalWindow.INSTANCE.maxTimestamp()))); mainOutputValues.clear(); } @Test public void testCreatingAndProcessingSource() throws Exception { Map<String, Message> fnApiRegistry = ImmutableMap.of(LONG_CODER_SPEC_ID, LONG_CODER_SPEC); String primitiveTransformId = "100L"; long outputId = 101L; BeamFnApi.Target inputTarget = BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference("1000L") .setName("inputTarget") .build(); List<WindowedValue<String>> outputValues = new ArrayList<>(); BeamFnApi.Target outputTarget = BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference(primitiveTransformId) .setName(Long.toString(outputId)) .build(); Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<String>>> existingConsumers = ImmutableMultimap.of(outputTarget, outputValues::add); Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<BoundedSource<Long>>>> newConsumers = HashMultimap.create(); List<ThrowingRunnable> startFunctions = new ArrayList<>(); List<ThrowingRunnable> finishFunctions = new ArrayList<>(); BeamFnApi.FunctionSpec functionSpec = BeamFnApi.FunctionSpec.newBuilder() .setId("1L") .setUrn(JAVA_SOURCE_URN) .setData(Any.pack(BytesValue.newBuilder() .setValue(ByteString.copyFrom( SerializableUtils.serializeToByteArray(CountingSource.upTo(3)))) .build())) .build(); BeamFnApi.PrimitiveTransform primitiveTransform = BeamFnApi.PrimitiveTransform.newBuilder() .setId(primitiveTransformId) .setFunctionSpec(functionSpec) .putInputs("input", BeamFnApi.Target.List.newBuilder().addTarget(inputTarget).build()) .putOutputs(Long.toString(outputId), BeamFnApi.PCollection.newBuilder().setCoderReference(LONG_CODER_SPEC_ID).build()) .build(); ProcessBundleHandler handler = new ProcessBundleHandler( PipelineOptionsFactory.create(), fnApiRegistry::get, beamFnDataClient); handler.createConsumersForPrimitiveTransform( primitiveTransform, Suppliers.ofInstance("57L")::get, existingConsumers::get, newConsumers::put, startFunctions::add, finishFunctions::add); // This is testing a deprecated way of running sources and should be removed // once all source definitions are instead propagated along the input edge. Iterables.getOnlyElement(startFunctions).run(); assertThat(outputValues, contains( valueInGlobalWindow(0L), valueInGlobalWindow(1L), valueInGlobalWindow(2L))); outputValues.clear(); // Check that when passing a source along as an input, the source is processed. assertEquals(newConsumers.keySet(), ImmutableSet.of(inputTarget)); Iterables.getOnlyElement(newConsumers.get(inputTarget)).accept( valueInGlobalWindow(CountingSource.upTo(2))); assertThat(outputValues, contains( valueInGlobalWindow(0L), valueInGlobalWindow(1L))); assertThat(finishFunctions, empty()); } @Test public void testCreatingAndProcessingBeamFnDataReadRunner() throws Exception { Map<String, Message> fnApiRegistry = ImmutableMap.of(STRING_CODER_SPEC_ID, STRING_CODER_SPEC); String bundleId = "57L"; String primitiveTransformId = "100L"; long outputId = 101L; List<WindowedValue<String>> outputValues = new ArrayList<>(); BeamFnApi.Target outputTarget = BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference(primitiveTransformId) .setName(Long.toString(outputId)) .build(); Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<String>>> existingConsumers = ImmutableMultimap.of(outputTarget, outputValues::add); Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<String>>> newConsumers = HashMultimap.create(); List<ThrowingRunnable> startFunctions = new ArrayList<>(); List<ThrowingRunnable> finishFunctions = new ArrayList<>(); BeamFnApi.FunctionSpec functionSpec = BeamFnApi.FunctionSpec.newBuilder() .setId("1L") .setUrn(DATA_INPUT_URN) .setData(Any.pack(REMOTE_PORT)) .build(); BeamFnApi.PrimitiveTransform primitiveTransform = BeamFnApi.PrimitiveTransform.newBuilder() .setId(primitiveTransformId) .setFunctionSpec(functionSpec) .putInputs("input", BeamFnApi.Target.List.getDefaultInstance()) .putOutputs(Long.toString(outputId), BeamFnApi.PCollection.newBuilder().setCoderReference(STRING_CODER_SPEC_ID).build()) .build(); ProcessBundleHandler handler = new ProcessBundleHandler( PipelineOptionsFactory.create(), fnApiRegistry::get, beamFnDataClient); handler.createConsumersForPrimitiveTransform( primitiveTransform, Suppliers.ofInstance(bundleId)::get, existingConsumers::get, newConsumers::put, startFunctions::add, finishFunctions::add); verifyZeroInteractions(beamFnDataClient); CompletableFuture<Void> completionFuture = new CompletableFuture<>(); when(beamFnDataClient.forInboundConsumer(any(), any(), any(), any())) .thenReturn(completionFuture); Iterables.getOnlyElement(startFunctions).run(); verify(beamFnDataClient).forInboundConsumer( eq(REMOTE_PORT.getApiServiceDescriptor()), eq(KV.of(bundleId, BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference(primitiveTransformId) .setName("input") .build())), eq(STRING_CODER), consumerCaptor.capture()); consumerCaptor.getValue().accept(valueInGlobalWindow("TestValue")); assertThat(outputValues, contains(valueInGlobalWindow("TestValue"))); outputValues.clear(); assertThat(newConsumers.keySet(), empty()); completionFuture.complete(null); Iterables.getOnlyElement(finishFunctions).run(); verifyNoMoreInteractions(beamFnDataClient); } @Test public void testCreatingAndProcessingBeamFnDataWriteRunner() throws Exception { Map<String, Message> fnApiRegistry = ImmutableMap.of(STRING_CODER_SPEC_ID, STRING_CODER_SPEC); String bundleId = "57L"; String primitiveTransformId = "100L"; long outputId = 101L; BeamFnApi.Target inputTarget = BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference("1000L") .setName("inputTarget") .build(); Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<String>>> existingConsumers = ImmutableMultimap.of(); Multimap<BeamFnApi.Target, ThrowingConsumer<WindowedValue<String>>> newConsumers = HashMultimap.create(); List<ThrowingRunnable> startFunctions = new ArrayList<>(); List<ThrowingRunnable> finishFunctions = new ArrayList<>(); BeamFnApi.FunctionSpec functionSpec = BeamFnApi.FunctionSpec.newBuilder() .setId("1L") .setUrn(DATA_OUTPUT_URN) .setData(Any.pack(REMOTE_PORT)) .build(); BeamFnApi.PrimitiveTransform primitiveTransform = BeamFnApi.PrimitiveTransform.newBuilder() .setId(primitiveTransformId) .setFunctionSpec(functionSpec) .putInputs("input", BeamFnApi.Target.List.newBuilder().addTarget(inputTarget).build()) .putOutputs(Long.toString(outputId), BeamFnApi.PCollection.newBuilder().setCoderReference(STRING_CODER_SPEC_ID).build()) .build(); ProcessBundleHandler handler = new ProcessBundleHandler( PipelineOptionsFactory.create(), fnApiRegistry::get, beamFnDataClient); handler.createConsumersForPrimitiveTransform( primitiveTransform, Suppliers.ofInstance(bundleId)::get, existingConsumers::get, newConsumers::put, startFunctions::add, finishFunctions::add); verifyZeroInteractions(beamFnDataClient); List<WindowedValue<String>> outputValues = new ArrayList<>(); AtomicBoolean wasCloseCalled = new AtomicBoolean(); CloseableThrowingConsumer<WindowedValue<String>> outputConsumer = new CloseableThrowingConsumer<WindowedValue<String>>(){ @Override public void close() throws Exception { wasCloseCalled.set(true); } @Override public void accept(WindowedValue<String> t) throws Exception { outputValues.add(t); } }; when(beamFnDataClient.forOutboundConsumer( any(), any(), Matchers.<Coder<WindowedValue<String>>>any())).thenReturn(outputConsumer); Iterables.getOnlyElement(startFunctions).run(); verify(beamFnDataClient).forOutboundConsumer( eq(REMOTE_PORT.getApiServiceDescriptor()), eq(KV.of(bundleId, BeamFnApi.Target.newBuilder() .setPrimitiveTransformReference(primitiveTransformId) .setName(Long.toString(outputId)) .build())), eq(STRING_CODER)); assertEquals(newConsumers.keySet(), ImmutableSet.of(inputTarget)); Iterables.getOnlyElement(newConsumers.get(inputTarget)).accept( valueInGlobalWindow("TestValue")); assertThat(outputValues, contains(valueInGlobalWindow("TestValue"))); outputValues.clear(); assertFalse(wasCloseCalled.get()); Iterables.getOnlyElement(finishFunctions).run(); assertTrue(wasCloseCalled.get()); verifyNoMoreInteractions(beamFnDataClient); } }