| /* |
| * 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; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import java.util.stream.IntStream; |
| import org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor; |
| import org.apache.beam.runners.dataflow.worker.SdkHarnessRegistry.SdkWorkerHarness; |
| import org.apache.beam.runners.dataflow.worker.fn.data.BeamFnDataGrpcService; |
| import org.apache.beam.runners.fnexecution.control.FnApiControlClient; |
| import org.apache.beam.runners.fnexecution.state.GrpcStateService; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.mockito.Mockito; |
| |
| /** Unit tests for {@link SdkHarnessRegistry}. */ |
| @RunWith(JUnit4.class) |
| public class SdkHarnessRegistryTest { |
| |
| @Test |
| public void testEmptyWorkerRegistration() throws Exception { |
| SdkHarnessRegistry sdkHarnessRegistry = SdkHarnessRegistries.emptySdkHarnessRegistry(); |
| SdkWorkerHarness worker = sdkHarnessRegistry.getAvailableWorkerAndAssignWork(); |
| assertNull("WorkerId should be null for null worker", worker.getWorkerId()); |
| assertNull( |
| "DataApiServiceDescriptor should be null", |
| sdkHarnessRegistry.beamFnDataApiServiceDescriptor()); |
| assertNull( |
| "StateApiServiceDescriptor should be null", |
| sdkHarnessRegistry.beamFnStateApiServiceDescriptor()); |
| } |
| |
| @Test |
| public void testWorkerRegistrationAndOrdering() throws Exception { |
| SdkHarnessRegistry sdkHarnessRegistry = |
| SdkHarnessRegistries.createFnApiSdkHarnessRegistry( |
| ApiServiceDescriptor.getDefaultInstance(), |
| Mockito.mock(GrpcStateService.class), |
| Mockito.mock(BeamFnDataGrpcService.class)); |
| Set<String> workerIds = new HashSet<>(); |
| IntStream.range(0, 3) |
| .forEach( |
| i -> { |
| String workerId = "worker_" + i; |
| sdkHarnessRegistry.registerWorkerClient( |
| FnApiControlClient.forRequestObserver(workerId, null, null)); |
| workerIds.add(workerId); |
| }); |
| assertEquals( |
| "All workers should be provided", |
| workerIds, |
| IntStream.range(0, 3) |
| .mapToObj(i -> sdkHarnessRegistry.getAvailableWorkerAndAssignWork().getWorkerId()) |
| .collect(Collectors.toSet())); |
| |
| IntStream.range(3, 5) |
| .forEach( |
| i -> { |
| String workerId = "worker_" + i; |
| sdkHarnessRegistry.registerWorkerClient( |
| FnApiControlClient.forRequestObserver(workerId, null, null)); |
| workerIds.add(workerId); |
| }); |
| |
| assertEquals( |
| "All workers should be provided", |
| new HashSet<>(Arrays.asList("worker_3", "worker_4")), |
| IntStream.range(3, 5) |
| .mapToObj(i -> sdkHarnessRegistry.getAvailableWorkerAndAssignWork().getWorkerId()) |
| .collect(Collectors.toSet())); |
| |
| Set<String> workersNotUsed = new HashSet<>(workerIds); |
| workersNotUsed.removeAll( |
| IntStream.range(0, 3) |
| .mapToObj(i -> sdkHarnessRegistry.getAvailableWorkerAndAssignWork().getWorkerId()) |
| .collect(Collectors.toSet())); |
| |
| assertEquals( |
| "All workers should be provided", |
| workersNotUsed, |
| IntStream.range(3, 5) |
| .mapToObj(i -> sdkHarnessRegistry.getAvailableWorkerAndAssignWork().getWorkerId()) |
| .collect(Collectors.toSet())); |
| |
| List<SdkWorkerHarness> workers = |
| IntStream.range(0, 5) |
| .mapToObj(i -> sdkHarnessRegistry.getAvailableWorkerAndAssignWork()) |
| .collect(Collectors.toList()); |
| |
| assertEquals(5, workers.size()); |
| |
| sdkHarnessRegistry.completeWork(workers.get(0)); |
| |
| assertEquals( |
| "There should only be 1 free worker", |
| workers.get(0), |
| sdkHarnessRegistry.getAvailableWorkerAndAssignWork()); |
| } |
| } |