m-trieu commented on code in PR #32775: URL: https://github.com/apache/beam/pull/32775#discussion_r1808035097
########## runners/google-cloud-dataflow-java/worker/src/test/java/org/apache/beam/runners/dataflow/worker/windmill/client/grpc/GrpcDirectGetWorkStreamTest.java: ########## @@ -0,0 +1,393 @@ +/* + * 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.dataflow.worker.windmill.client.grpc; + +import static com.google.common.truth.Truth.assertThat; +import static org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.base.Preconditions.checkNotNull; +import static org.junit.Assert.assertFalse; +import static org.mockito.Mockito.mock; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Set; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; +import javax.annotation.Nullable; +import org.apache.beam.runners.dataflow.worker.windmill.CloudWindmillServiceV1Alpha1Grpc; +import org.apache.beam.runners.dataflow.worker.windmill.Windmill; +import org.apache.beam.runners.dataflow.worker.windmill.WindmillConnection; +import org.apache.beam.runners.dataflow.worker.windmill.client.commits.WorkCommitter; +import org.apache.beam.runners.dataflow.worker.windmill.client.getdata.GetDataClient; +import org.apache.beam.runners.dataflow.worker.windmill.client.throttling.ThrottleTimer; +import org.apache.beam.runners.dataflow.worker.windmill.work.WorkItemScheduler; +import org.apache.beam.runners.dataflow.worker.windmill.work.budget.GetWorkBudget; +import org.apache.beam.runners.dataflow.worker.windmill.work.refresh.HeartbeatSender; +import org.apache.beam.vendor.grpc.v1p60p1.com.google.protobuf.ByteString; +import org.apache.beam.vendor.grpc.v1p60p1.io.grpc.ManagedChannel; +import org.apache.beam.vendor.grpc.v1p60p1.io.grpc.Server; +import org.apache.beam.vendor.grpc.v1p60p1.io.grpc.inprocess.InProcessChannelBuilder; +import org.apache.beam.vendor.grpc.v1p60p1.io.grpc.inprocess.InProcessServerBuilder; +import org.apache.beam.vendor.grpc.v1p60p1.io.grpc.stub.StreamObserver; +import org.apache.beam.vendor.grpc.v1p60p1.io.grpc.testing.GrpcCleanupRule; +import org.apache.beam.vendor.grpc.v1p60p1.io.grpc.util.MutableHandlerRegistry; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.Iterables; +import org.junit.After; +import org.junit.Before; +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.Timeout; +import org.junit.runner.RunWith; +import org.junit.runners.JUnit4; + +@RunWith(JUnit4.class) +public class GrpcDirectGetWorkStreamTest { + private static final Windmill.JobHeader TEST_JOB_HEADER = + Windmill.JobHeader.newBuilder() + .setJobId("test_job") + .setWorkerId("test_worker") + .setProjectId("test_project") + .build(); + private static final String FAKE_SERVER_NAME = "Fake server for GrpcDirectGetWorkStreamTest"; + @Rule public final GrpcCleanupRule grpcCleanup = new GrpcCleanupRule(); + private final MutableHandlerRegistry serviceRegistry = new MutableHandlerRegistry(); + @Rule public transient Timeout globalTimeout = Timeout.seconds(600); + private ManagedChannel inProcessChannel; + private GrpcDirectGetWorkStream stream; + + private static Windmill.StreamingGetWorkRequestExtension extension(GetWorkBudget budget) { + return Windmill.StreamingGetWorkRequestExtension.newBuilder() + .setMaxItems(budget.items()) + .setMaxBytes(budget.bytes()) + .build(); + } + + @Before + public void setUp() throws IOException { + Server server = + InProcessServerBuilder.forName(FAKE_SERVER_NAME) + .fallbackHandlerRegistry(serviceRegistry) + .directExecutor() + .build() + .start(); + + inProcessChannel = + grpcCleanup.register( + InProcessChannelBuilder.forName(FAKE_SERVER_NAME).directExecutor().build()); + grpcCleanup.register(server); + grpcCleanup.register(inProcessChannel); + } + + @After + public void cleanUp() { + inProcessChannel.shutdownNow(); + checkNotNull(stream).shutdown(); + } + + private GrpcDirectGetWorkStream createGetWorkStream( + GetWorkStreamTestStub testStub, GetWorkBudget initialGetWorkBudget) { + return createGetWorkStream(testStub, initialGetWorkBudget, new ThrottleTimer()); + } + + private GrpcDirectGetWorkStream createGetWorkStream( + GetWorkStreamTestStub testStub, + GetWorkBudget initialGetWorkBudget, + WorkItemScheduler workItemScheduler) { + return createGetWorkStream( + testStub, initialGetWorkBudget, new ThrottleTimer(), workItemScheduler); + } + + private GrpcDirectGetWorkStream createGetWorkStream( + GetWorkStreamTestStub testStub, + GetWorkBudget initialGetWorkBudget, + ThrottleTimer throttleTimer) { + return createGetWorkStream( + testStub, + initialGetWorkBudget, + throttleTimer, + (workItem, watermarks, processingContext, getWorkStreamLatencies) -> {}); + } + + private GrpcDirectGetWorkStream createGetWorkStream( + GetWorkStreamTestStub testStub, + GetWorkBudget initialGetWorkBudget, + ThrottleTimer throttleTimer, + WorkItemScheduler workItemScheduler) { + serviceRegistry.addService(testStub); + return (GrpcDirectGetWorkStream) + GrpcWindmillStreamFactory.of(TEST_JOB_HEADER) + .build() + .createDirectGetWorkStream( + WindmillConnection.builder() + .setStub(CloudWindmillServiceV1Alpha1Grpc.newStub(inProcessChannel)) + .build(), + Windmill.GetWorkRequest.newBuilder() + .setClientId(TEST_JOB_HEADER.getClientId()) + .setJobId(TEST_JOB_HEADER.getJobId()) + .setProjectId(TEST_JOB_HEADER.getProjectId()) + .setWorkerId(TEST_JOB_HEADER.getWorkerId()) + .setMaxItems(initialGetWorkBudget.items()) + .setMaxBytes(initialGetWorkBudget.bytes()) + .build(), + throttleTimer, + mock(HeartbeatSender.class), + mock(GetDataClient.class), + mock(WorkCommitter.class), + workItemScheduler); + } + + private Windmill.StreamingGetWorkResponseChunk createResponse(Windmill.WorkItem workItem) { + return Windmill.StreamingGetWorkResponseChunk.newBuilder() + .setStreamId(1L) + .setComputationMetadata( + Windmill.ComputationWorkItemMetadata.newBuilder() + .setComputationId("compId") + .setInputDataWatermark(1L) + .setDependentRealtimeInputWatermark(1L) + .build()) + .setSerializedWorkItem(workItem.toByteString()) + .setRemainingBytesForWorkItem(0) + .build(); + } + + @Test + public void testSetBudget_computesAndSendsCorrectExtension_noExistingBudget() + throws InterruptedException { + int expectedRequests = 2; + CountDownLatch waitForRequests = new CountDownLatch(expectedRequests); + TestGetWorkRequestObserver requestObserver = new TestGetWorkRequestObserver(waitForRequests); + GetWorkStreamTestStub testStub = new GetWorkStreamTestStub(requestObserver); + stream = createGetWorkStream(testStub, GetWorkBudget.noBudget()); + GetWorkBudget newBudget = GetWorkBudget.builder().setItems(10).setBytes(10).build(); + stream.setBudget(newBudget); + + waitForRequests.await(5, TimeUnit.SECONDS); + + // Header and extension. + assertThat(requestObserver.sent()).hasSize(expectedRequests); + assertThat(Iterables.getLast(requestObserver.sent()).getRequestExtension()) + .isEqualTo(extension(newBudget)); + } + + @Test + public void testSetBudget_computesAndSendsCorrectExtension_existingBudget() + throws InterruptedException { + int expectedRequests = 2; + CountDownLatch waitForRequests = new CountDownLatch(expectedRequests); + TestGetWorkRequestObserver requestObserver = new TestGetWorkRequestObserver(waitForRequests); + GetWorkStreamTestStub testStub = new GetWorkStreamTestStub(requestObserver); + GetWorkBudget initialBudget = GetWorkBudget.builder().setItems(10).setBytes(10).build(); + stream = createGetWorkStream(testStub, initialBudget); + GetWorkBudget newBudget = GetWorkBudget.builder().setItems(100).setBytes(100).build(); + stream.setBudget(newBudget); + GetWorkBudget diff = newBudget.subtract(initialBudget); + + waitForRequests.await(5, TimeUnit.SECONDS); + + List<Windmill.StreamingGetWorkRequest> requests = requestObserver.sent(); + // Header and extension. + assertThat(requests).hasSize(expectedRequests); + assertThat(Iterables.getLast(requests).getRequestExtension()).isEqualTo(extension(diff)); + } + + @Test + public void testSetBudget_doesNotSendExtensionIfOutstandingBudgetHigh() + throws InterruptedException { + int expectedRequests = 1; + CountDownLatch waitForRequests = new CountDownLatch(expectedRequests); + TestGetWorkRequestObserver requestObserver = new TestGetWorkRequestObserver(waitForRequests); + GetWorkStreamTestStub testStub = new GetWorkStreamTestStub(requestObserver); + stream = + createGetWorkStream( + testStub, + GetWorkBudget.builder().setItems(Long.MAX_VALUE).setBytes(Long.MAX_VALUE).build()); + stream.setBudget(GetWorkBudget.builder().setItems(10).setBytes(10).build()); + + waitForRequests.await(5, TimeUnit.SECONDS); + + List<Windmill.StreamingGetWorkRequest> requests = requestObserver.sent(); + // Assert that the extension was never sent, only the header. + assertThat(requests).hasSize(expectedRequests); + assertThat(Iterables.getOnlyElement(requests).getRequest()) Review Comment: done -- This is an automated message from the Apache Git Service. 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