Github user bowenli86 commented on a diff in the pull request: https://github.com/apache/flink/pull/5650#discussion_r174230739 --- Diff: flink-state-backends/flink-statebackend-rocksdb/src/test/java/org/apache/flink/contrib/streaming/state/RocksDBWriteBatchWrapperTest.java --- @@ -0,0 +1,159 @@ +/* + * 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.contrib.streaming.state; + +import org.apache.flink.api.java.tuple.Tuple2; + +import org.junit.Assert; +import org.junit.Ignore; +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.TemporaryFolder; +import org.rocksdb.ColumnFamilyDescriptor; +import org.rocksdb.ColumnFamilyHandle; +import org.rocksdb.RocksDB; +import org.rocksdb.WriteOptions; + +import java.util.ArrayList; +import java.util.List; + +/** + * Tests to guard {@link RocksDBWriteBatchWrapper}. + */ +public class RocksDBWriteBatchWrapperTest { + + @Rule + public TemporaryFolder folder = new TemporaryFolder(); + + @Test + public void basicTest() throws Exception { + + List<Tuple2<byte[], byte[]>> data = new ArrayList<>(10000); + for (int i = 0; i < 10000; ++i) { + data.add(new Tuple2<>(("key:" + i).getBytes(), ("value:" + i).getBytes())); + } + + try (RocksDB db = RocksDB.open(folder.newFolder().getAbsolutePath()); + WriteOptions options = new WriteOptions().setDisableWAL(true); + ColumnFamilyHandle handle = db.createColumnFamily(new ColumnFamilyDescriptor("test".getBytes())); + RocksDBWriteBatchWrapper writeBatchWrapper = new RocksDBWriteBatchWrapper(db, options, 200)) { + + // insert data + for (Tuple2<byte[], byte[]> item : data) { + writeBatchWrapper.put(handle, item.f0, item.f1); + } + writeBatchWrapper.flush(); + + // valid result + for (Tuple2<byte[], byte[]> item : data) { + Assert.assertArrayEquals(item.f1, db.get(handle, item.f0)); + } + } + } + + @Test + @Ignore + public void benchMark() throws Exception { --- End diff -- Need to move the benchmark test to `org.apache.flink.contrib.streaming.state.benchmark` package.
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