dawidwys commented on a change in pull request #6711: [FLINK-9377] [core, state backends] Remove serializers from checkpoints URL: https://github.com/apache/flink/pull/6711#discussion_r223692225
########## File path: flink-tests/src/test/java/org/apache/flink/test/migration/TypeSerializerSnapshotMigrationITCase.java ########## @@ -0,0 +1,346 @@ +/* + * 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.test.migration; + +import org.apache.flink.api.common.functions.RichMapFunction; +import org.apache.flink.api.common.restartstrategy.RestartStrategies; +import org.apache.flink.api.common.state.ValueState; +import org.apache.flink.api.common.state.ValueStateDescriptor; +import org.apache.flink.api.common.typeutils.TypeSerializer; +import org.apache.flink.api.common.typeutils.TypeSerializerConfigSnapshot; +import org.apache.flink.api.common.typeutils.TypeSerializerSchemaCompatibility; +import org.apache.flink.api.common.typeutils.TypeSerializerSnapshot; +import org.apache.flink.api.common.typeutils.base.LongSerializer; +import org.apache.flink.api.java.tuple.Tuple2; +import org.apache.flink.contrib.streaming.state.RocksDBStateBackend; +import org.apache.flink.core.memory.DataInputView; +import org.apache.flink.core.memory.DataOutputView; +import org.apache.flink.runtime.state.StateBackendLoader; +import org.apache.flink.runtime.state.memory.MemoryStateBackend; +import org.apache.flink.streaming.api.TimeCharacteristic; +import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; +import org.apache.flink.streaming.api.functions.source.SourceFunction; +import org.apache.flink.streaming.util.migration.MigrationVersion; + +import org.apache.flink.test.checkpointing.utils.MigrationTestUtils; +import org.apache.flink.test.checkpointing.utils.SavepointMigrationTestBase; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; + +import java.io.IOException; +import java.util.Arrays; +import java.util.Collection; + +/** + * Migration IT cases for upgrading a legacy {@link TypeSerializerConfigSnapshot} + * that is written in checkpoints to {@link TypeSerializerSnapshot} interface. + * + * <p>A savepoints used by this test were written with a serializer snapshot class + * that extends {@link TypeSerializerConfigSnapshot}, as can be seen in the commented + * out code at the end of this class. On restore, we change the snapshot to implement + * directly a {@link TypeSerializerSnapshot}. + */ +@RunWith(Parameterized.class) +public class TypeSerializerSnapshotMigrationITCase extends SavepointMigrationTestBase { + + private static final int NUM_SOURCE_ELEMENTS = 4; + + /** + * This test runs in either of two modes: 1) we want to generate the binary savepoint, i.e. + * we have to run the checkpointing functions 2) we want to verify restoring, so we have to run + * the checking functions. + */ + public enum ExecutionMode { + PERFORM_SAVEPOINT, + VERIFY_SAVEPOINT + } + + // TODO change this to PERFORM_SAVEPOINT to regenerate binary savepoints + private final ExecutionMode executionMode = ExecutionMode.VERIFY_SAVEPOINT; + + @Parameterized.Parameters(name = "Migrate Savepoint / Backend: {0}") + public static Collection<Tuple2<MigrationVersion, String>> parameters () { + return Arrays.asList( + Tuple2.of(MigrationVersion.v1_3, StateBackendLoader.MEMORY_STATE_BACKEND_NAME), + Tuple2.of(MigrationVersion.v1_3, StateBackendLoader.ROCKSDB_STATE_BACKEND_NAME), + Tuple2.of(MigrationVersion.v1_4, StateBackendLoader.MEMORY_STATE_BACKEND_NAME), + Tuple2.of(MigrationVersion.v1_4, StateBackendLoader.ROCKSDB_STATE_BACKEND_NAME), + Tuple2.of(MigrationVersion.v1_5, StateBackendLoader.MEMORY_STATE_BACKEND_NAME), + Tuple2.of(MigrationVersion.v1_5, StateBackendLoader.ROCKSDB_STATE_BACKEND_NAME), + Tuple2.of(MigrationVersion.v1_6, StateBackendLoader.MEMORY_STATE_BACKEND_NAME), + Tuple2.of(MigrationVersion.v1_6, StateBackendLoader.ROCKSDB_STATE_BACKEND_NAME)); + } + + private final MigrationVersion testMigrateVersion; + private final String testStateBackend; + + public TypeSerializerSnapshotMigrationITCase(Tuple2<MigrationVersion, String> testMigrateVersionAndBackend) throws Exception { + this.testMigrateVersion = testMigrateVersionAndBackend.f0; + this.testStateBackend = testMigrateVersionAndBackend.f1; + } + + @Test + public void testSavepoint() throws Exception { + final int parallelism = 1; + + final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment(); + env.setRestartStrategy(RestartStrategies.noRestart()); + env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime); + + switch (testStateBackend) { + case "rocksdb": Review comment: Let's use the constants here. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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