/* * 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.hadoop.ozone.container.replication; import static org.apache.hadoop.ozone.container.replication.CopyContainerCompression.NO_COMPRESSION; import static org.junit.jupiter.api.Assertions.assertThrows; import static org.junit.jupiter.api.Assertions.assertTrue; import static org.mockito.Mockito.any; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.when; import java.io.IOException; import java.io.OutputStream; import java.util.concurrent.CompletableFuture; import org.apache.commons.lang3.RandomUtils; import org.apache.hadoop.hdds.conf.InMemoryConfigurationForTesting; import org.apache.hadoop.hdds.protocol.DatanodeDetails; import org.apache.hadoop.hdds.protocol.MockDatanodeDetails; import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.SendContainerRequest; import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.SendContainerResponse; import org.apache.hadoop.ozone.container.ozoneimpl.ContainerController; import org.apache.ratis.thirdparty.io.grpc.stub.CallStreamObserver; import org.apache.ratis.thirdparty.io.grpc.stub.StreamObserver; import org.junit.jupiter.api.Test; import org.mockito.ArgumentCaptor; /** * Tests for {@link GrpcContainerUploader}. */ class TestGrpcContainerUploader { @Test void successfulReplication() throws Exception { // GIVEN GrpcReplicationClient client = mock(GrpcReplicationClient.class); ArgumentCaptor> captor = ArgumentCaptor.forClass(StreamObserver.class); when(client.upload(captor.capture())) .thenReturn(new NoopObserver() { @Override public void onNext(SendContainerRequest value) { captor.getValue() .onNext(SendContainerResponse.getDefaultInstance()); } }); CompletableFuture callback = new CompletableFuture<>(); GrpcContainerUploader subject = createSubject(client); // WHEN OutputStream out = startUpload(subject, callback); out.close(); // THEN verify(client).close(); } @Test void errorInResponse() throws Exception { // GIVEN GrpcReplicationClient client = mock(GrpcReplicationClient.class); ArgumentCaptor> captor = ArgumentCaptor.forClass(StreamObserver.class); when(client.upload(captor.capture())) .thenReturn(new NoopObserver() { @Override public void onNext(SendContainerRequest value) { captor.getValue().onError(new RuntimeException("testing")); } }); CompletableFuture callback = new CompletableFuture<>(); GrpcContainerUploader subject = createSubject(client); // WHEN OutputStream out = startUpload(subject, callback); out.write(RandomUtils.secure().randomBytes(4)); out.close(); // THEN assertTrue(callback.isCompletedExceptionally()); verify(client).close(); } @Test void immediateError() throws Exception { // GIVEN GrpcReplicationClient client = mock(GrpcReplicationClient.class); when(client.upload(any())) .thenThrow(new RuntimeException("testing")); CompletableFuture callback = new CompletableFuture<>(); GrpcContainerUploader subject = createSubject(client); // WHEN assertThrows(RuntimeException.class, () -> startUpload(subject, callback)); // THEN verify(client).close(); } private static GrpcContainerUploader createSubject( GrpcReplicationClient client) { return new GrpcContainerUploader(new InMemoryConfigurationForTesting(), null, mock(ContainerController.class)) { @Override protected GrpcReplicationClient createReplicationClient( DatanodeDetails target, CopyContainerCompression compression) { return client; } }; } private static OutputStream startUpload(GrpcContainerUploader subject, CompletableFuture callback) throws IOException { DatanodeDetails target = MockDatanodeDetails.randomDatanodeDetails(); return subject.startUpload(1, target, callback, NO_COMPRESSION); } /** * Empty implementation. */ private static class NoopObserver extends CallStreamObserver { @Override public void onNext(SendContainerRequest value) { // override if needed } @Override public void onError(Throwable t) { // override if needed } @Override public void onCompleted() { // override if needed } @Override public boolean isReady() { return true; } @Override public void setOnReadyHandler(Runnable onReadyHandler) { } @Override public void disableAutoInboundFlowControl() { } @Override public void request(int count) { } @Override public void setMessageCompression(boolean enable) { } } }