tillrohrmann commented on a change in pull request #14999: URL: https://github.com/apache/flink/pull/14999#discussion_r582977934
########## File path: flink-runtime/src/test/java/org/apache/flink/runtime/jobmaster/TestUtils.java ########## @@ -0,0 +1,119 @@ +/* + * 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.flink.runtime.jobmaster; + +import org.apache.flink.runtime.checkpoint.CheckpointRetentionPolicy; +import org.apache.flink.runtime.checkpoint.Checkpoints; +import org.apache.flink.runtime.checkpoint.OperatorState; +import org.apache.flink.runtime.checkpoint.OperatorSubtaskState; +import org.apache.flink.runtime.checkpoint.metadata.CheckpointMetadata; +import org.apache.flink.runtime.jobgraph.JobGraph; +import org.apache.flink.runtime.jobgraph.JobType; +import org.apache.flink.runtime.jobgraph.JobVertex; +import org.apache.flink.runtime.jobgraph.OperatorID; +import org.apache.flink.runtime.jobgraph.SavepointRestoreSettings; +import org.apache.flink.runtime.jobgraph.tasks.CheckpointCoordinatorConfiguration; +import org.apache.flink.runtime.jobgraph.tasks.JobCheckpointingSettings; +import org.apache.flink.runtime.state.OperatorStreamStateHandle; +import org.apache.flink.runtime.state.memory.ByteStreamStateHandle; + +import javax.annotation.Nonnull; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.Random; + +import static org.apache.flink.runtime.checkpoint.StateHandleDummyUtil.createNewInputChannelStateHandle; +import static org.apache.flink.runtime.checkpoint.StateHandleDummyUtil.createNewResultSubpartitionStateHandle; +import static org.apache.flink.runtime.checkpoint.StateObjectCollection.singleton; + +/** Class for common test utilities. */ +public class TestUtils { + + public static File createSavepointWithOperatorState( + File savepointFile, long savepointId, OperatorID... operatorIds) throws IOException { + final Collection<OperatorState> operatorStates = createOperatorState(operatorIds); + final CheckpointMetadata savepoint = + new CheckpointMetadata(savepointId, operatorStates, Collections.emptyList()); + + try (FileOutputStream fileOutputStream = new FileOutputStream(savepointFile)) { + Checkpoints.storeCheckpointMetadata(savepoint, fileOutputStream); + } + + return savepointFile; + } + + private static Collection<OperatorState> createOperatorState(OperatorID... operatorIds) { + Random random = new Random(); + Collection<OperatorState> operatorStates = new ArrayList<>(operatorIds.length); + + for (OperatorID operatorId : operatorIds) { + final OperatorState operatorState = new OperatorState(operatorId, 1, 42); + final OperatorSubtaskState subtaskState = + OperatorSubtaskState.builder() + .setManagedOperatorState( + new OperatorStreamStateHandle( + Collections.emptyMap(), + new ByteStreamStateHandle("foobar", new byte[0]))) + .setInputChannelState( + singleton(createNewInputChannelStateHandle(10, random))) + .setResultSubpartitionState( + singleton(createNewResultSubpartitionStateHandle(10, random))) + .build(); + operatorState.putState(0, subtaskState); + operatorStates.add(operatorState); + } + + return operatorStates; + } + + @Nonnull + public static JobGraph createJobGraphFromJobVerticesWithCheckpointing( + SavepointRestoreSettings savepointRestoreSettings, JobVertex... jobVertices) { + final JobGraph jobGraph = new JobGraph(jobVertices); + + // enable checkpointing which is required to resume from a savepoint + final CheckpointCoordinatorConfiguration checkpoinCoordinatorConfiguration = + new CheckpointCoordinatorConfiguration( Review comment: Sounds like a good idea. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
