flink-runtime/src/test/java/org/apache/flink/runtime/state/HashMapStateBackendMigrationTest.java

/*
 * 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
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package org.apache.flink.runtime.state;

import org.apache.flink.runtime.state.hashmap.HashMapStateBackend;
import org.apache.flink.runtime.state.storage.FileSystemCheckpointStorage;
import org.apache.flink.runtime.state.storage.JobManagerCheckpointStorage;
import org.apache.flink.testutils.junit.extensions.parameterized.Parameter;
import org.apache.flink.testutils.junit.extensions.parameterized.ParameterizedTestExtension;
import org.apache.flink.testutils.junit.extensions.parameterized.Parameters;
import org.apache.flink.testutils.junit.utils.TempDirUtils;
import org.apache.flink.util.function.SupplierWithException;

import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.api.io.TempDir;

import java.io.IOException;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;

/** Tests for the partitioned state part of {@link HashMapStateBackend}. */
@ExtendWith(ParameterizedTestExtension.class)
public class HashMapStateBackendMigrationTest
        extends StateBackendMigrationTestBase<HashMapStateBackend> {

    @TempDir private static Path tempFolder;

    @Parameters
    public static List<Object> modes() {
        return Arrays.asList(
                (SupplierWithException<CheckpointStorage, IOException>)
                        JobManagerCheckpointStorage::new,
                (SupplierWithException<CheckpointStorage, IOException>)
                        () -> {
                            String checkpointPath =
                                    TempDirUtils.newFolder(tempFolder).toURI().toString();
                            return new FileSystemCheckpointStorage(checkpointPath);
                        });
    }

    @Parameter public SupplierWithException<CheckpointStorage, IOException> storageSupplier;

    @Override
    protected HashMapStateBackend getStateBackend() throws Exception {
        return new HashMapStateBackend();
    }

    @Override
    protected CheckpointStorage getCheckpointStorage() throws Exception {
        return storageSupplier.get();
    }
}