swamirishi commented on code in PR #9552: URL: https://github.com/apache/ozone/pull/9552#discussion_r2677324722
########## hadoop-hdds/framework/src/test/java/org/apache/hadoop/hdds/utils/db/TestRDBBatchOperation.java: ########## @@ -0,0 +1,123 @@ +/* + * 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.hdds.utils.db; + +import static org.apache.hadoop.hdds.StringUtils.string2Bytes; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.Mockito.doAnswer; +import static org.mockito.Mockito.doNothing; +import static org.mockito.Mockito.when; + +import com.google.common.collect.ImmutableSet; +import java.nio.ByteBuffer; +import java.util.Collections; +import java.util.HashSet; +import java.util.Set; +import org.apache.hadoop.hdds.utils.db.managed.ManagedRocksObjectUtils; +import org.apache.hadoop.hdds.utils.db.managed.ManagedWriteBatch; +import org.apache.hadoop.hdds.utils.db.managed.TrackingUtilManagedWriteBatch; +import org.apache.hadoop.hdds.utils.db.managed.TrackingUtilManagedWriteBatch.OpType; +import org.apache.hadoop.hdds.utils.db.managed.TrackingUtilManagedWriteBatch.Operation; +import org.junit.jupiter.api.Test; +import org.mockito.Mockito; +import org.rocksdb.ColumnFamilyHandle; +import org.rocksdb.RocksDBException; + +/** + * Test class for verifying batch operations with delete ranges using the + * RDBBatchOperation and MockedConstruction of ManagedWriteBatch. + * + * This test class includes: + * - Mocking and tracking of operations including put, delete, and delete range + * within a batch operation. + * - Validation of committed operations using assertions on collected data. + * - Ensures that the batch operation interacts correctly with the + * RocksDatabase and ColumnFamilyHandle components. + * + * The test method includes: + * 1. Setup of mocked ColumnFamilyHandle and RocksDatabase.ColumnFamily. + * 2. Mocking of methods to track operations performed on*/ +public class TestRDBBatchOperation { + + static { + ManagedRocksObjectUtils.loadRocksDBLibrary(); + } + + private static Operation getOperation(String key, String value, OpType opType) { + return new Operation(string2Bytes(key), value == null ? null : string2Bytes(value), opType); + } + + @Test + public void testBatchOperation() throws RocksDatabaseException, CodecException, RocksDBException { + try (TrackingUtilManagedWriteBatch writeBatch = new TrackingUtilManagedWriteBatch(); + RDBBatchOperation batchOperation = RDBBatchOperation.newAtomicOperation(writeBatch)) { + ColumnFamilyHandle columnFamilyHandle = Mockito.mock(ColumnFamilyHandle.class); + RocksDatabase.ColumnFamily columnFamily = Mockito.mock(RocksDatabase.ColumnFamily.class); + doAnswer((i) -> { + ((ManagedWriteBatch)i.getArgument(0)) + .put(columnFamilyHandle, (ByteBuffer) i.getArgument(1), (ByteBuffer) i.getArgument(2)); + return null; + }).when(columnFamily).batchPut(any(ManagedWriteBatch.class), any(ByteBuffer.class), any(ByteBuffer.class)); + + doAnswer((i) -> { + ((ManagedWriteBatch)i.getArgument(0)) + .delete(columnFamilyHandle, (ByteBuffer) i.getArgument(1)); + return null; + }).when(columnFamily).batchDelete(any(ManagedWriteBatch.class), any(ByteBuffer.class)); + + when(columnFamily.getHandle()).thenReturn(columnFamilyHandle); + when(columnFamilyHandle.getName()).thenReturn(string2Bytes("test")); + when(columnFamily.getName()).thenReturn("test"); + Codec<String> codec = StringCodec.get(); + // OP1: This should be skipped in favor of OP9. + batchOperation.put(columnFamily, codec.toDirectCodecBuffer("key01"), codec.toDirectCodecBuffer("value01")); + // OP2 + batchOperation.put(columnFamily, codec.toPersistedFormat("key02"), codec.toPersistedFormat("value02")); + // OP3: This should be skipped in favor of OP4. + batchOperation.put(columnFamily, codec.toDirectCodecBuffer("key03"), codec.toDirectCodecBuffer("value03")); + // OP4 + batchOperation.put(columnFamily, codec.toPersistedFormat("key03"), codec.toPersistedFormat("value04")); + // OP5 + batchOperation.delete(columnFamily, codec.toDirectCodecBuffer("key05")); + // OP6 + batchOperation.delete(columnFamily, codec.toPersistedFormat("key10")); + // OP7 + batchOperation.put(columnFamily, codec.toDirectCodecBuffer("key04"), codec.toDirectCodecBuffer("value04")); + // OP8 + batchOperation.put(columnFamily, codec.toPersistedFormat("key06"), codec.toPersistedFormat("value05")); + //OP9 + batchOperation.put(columnFamily, codec.toDirectCodecBuffer("key01"), codec.toDirectCodecBuffer("value011")); Review Comment: I will remove this in a follow up PR -- This is an automated message from the Apache Git Service. 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