hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/response/bucket/TestOMBucketCreateResponse.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
 * 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.ozone.om.response.bucket;

import java.util.UUID;

import org.apache.hadoop.hdds.utils.db.Table;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.ozone.om.OMConfigKeys;
import org.apache.hadoop.ozone.om.OMMetadataManager;
import org.apache.hadoop.ozone.om.OmMetadataManagerImpl;
import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
import org.apache.hadoop.ozone.om.response.TestOMResponseUtils;
import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos;
import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos
    .CreateBucketResponse;
import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos
    .OMResponse;
import org.apache.hadoop.hdds.utils.db.BatchOperation;

/**
 * This class tests OMBucketCreateResponse.
 */
public class TestOMBucketCreateResponse {

  @Rule
  public TemporaryFolder folder = new TemporaryFolder();

  private OMMetadataManager omMetadataManager;
  private BatchOperation batchOperation;

  @Before
  public void setup() throws Exception {
    OzoneConfiguration ozoneConfiguration = new OzoneConfiguration();
    ozoneConfiguration.set(OMConfigKeys.OZONE_OM_DB_DIRS,
        folder.newFolder().getAbsolutePath());
    omMetadataManager = new OmMetadataManagerImpl(ozoneConfiguration);
    batchOperation = omMetadataManager.getStore().initBatchOperation();
  }

  @Test
  public void testAddToDBBatch() throws Exception {
    String volumeName = UUID.randomUUID().toString();
    String bucketName = UUID.randomUUID().toString();
    OmBucketInfo omBucketInfo = TestOMResponseUtils.createBucket(
        volumeName, bucketName);
    Assert.assertEquals(0,
        omMetadataManager.countRowsInTable(omMetadataManager.getBucketTable()));
    OMBucketCreateResponse omBucketCreateResponse =
        new OMBucketCreateResponse(omBucketInfo, OMResponse.newBuilder()
            .setCmdType(OzoneManagerProtocolProtos.Type.CreateBucket)
            .setStatus(OzoneManagerProtocolProtos.Status.OK)
            .setCreateBucketResponse(
                CreateBucketResponse.newBuilder().build()).build());

    omBucketCreateResponse.addToDBBatch(omMetadataManager, batchOperation);

    // Do manual commit and see whether addToBatch is successful or not.
    omMetadataManager.getStore().commitBatchOperation(batchOperation);

    Assert.assertEquals(1,
        omMetadataManager.countRowsInTable(omMetadataManager.getBucketTable()));

    Table.KeyValue<String, OmBucketInfo> keyValue =
        omMetadataManager.getBucketTable().iterator().next();

    Assert.assertEquals(omMetadataManager.getBucketKey(volumeName,
        bucketName), keyValue.getKey());
    Assert.assertEquals(omBucketInfo, keyValue.getValue());
  }


}