bharatviswa504 commented on a change in pull request #850: HDDS-1551. Implement Bucket Write Requests to use Cache and DoubleBuf… URL: https://github.com/apache/hadoop/pull/850#discussion_r288814608
########## File path: hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/request/TestOMBucketCreateRequest.java ########## @@ -0,0 +1,270 @@ +/* + * 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.request; + +import java.util.ArrayList; +import java.util.List; +import java.util.UUID; + +import org.junit.After; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.TemporaryFolder; +import org.mockito.Mockito; + +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.OMMetrics; +import org.apache.hadoop.ozone.om.OmMetadataManagerImpl; +import org.apache.hadoop.ozone.om.OzoneManager; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos + .OMRequest; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos + .OMResponse; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos + .StorageTypeProto; +import org.apache.hadoop.hdds.protocol.proto.HddsProtos; +import org.apache.hadoop.ozone.om.helpers.OmBucketInfo; +import org.apache.hadoop.ozone.om.helpers.OmVolumeArgs; +import org.apache.hadoop.ozone.om.response.OMClientResponse; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos; +import org.apache.hadoop.util.Time; + +import static org.mockito.Mockito.when; + +/** + * Tests OMBucketCreateRequest class, which handles CreateBucket request. + */ +public class TestOMBucketCreateRequest { + + @Rule + public TemporaryFolder folder = new TemporaryFolder(); + + private OzoneManager ozoneManager; + private OMMetrics omMetrics; + private OMMetadataManager omMetadataManager; + + + @Before + public void setup() throws Exception { + ozoneManager = Mockito.mock(OzoneManager.class); + omMetrics = OMMetrics.create(); + OzoneConfiguration ozoneConfiguration = new OzoneConfiguration(); + ozoneConfiguration.set(OMConfigKeys.OZONE_OM_DB_DIRS, + folder.newFolder().getAbsolutePath()); + omMetadataManager = new OmMetadataManagerImpl(ozoneConfiguration); + when(ozoneManager.getMetrics()).thenReturn(omMetrics); + when(ozoneManager.getMetadataManager()).thenReturn(omMetadataManager); + } + + @After + public void stop() { + omMetrics.unRegister(); + } + + + @Test + public void testPreExecute() throws Exception { + String volumeName = UUID.randomUUID().toString(); + String bucketName = UUID.randomUUID().toString(); + doPreExecute(volumeName, bucketName); + } + + + @Test + public void testValidateAndUpdateCache() throws Exception { + String volumeName = UUID.randomUUID().toString(); + String bucketName = UUID.randomUUID().toString(); + + OMBucketCreateRequest omBucketCreateRequest = doPreExecute(volumeName, + bucketName); + + doValidateAndUpdateCache(volumeName, bucketName, + omBucketCreateRequest.getOmRequest()); + + } + + @Test + public void testValidateAndUpdateCacheWithNoVolume() throws Exception { + String volumeName = UUID.randomUUID().toString(); + String bucketName = UUID.randomUUID().toString(); + + OMRequest originalRequest = createBucketRequest(bucketName, volumeName, + false, StorageTypeProto.SSD); + + OMBucketCreateRequest omBucketCreateRequest = + new OMBucketCreateRequest(originalRequest); + + String bucketKey = omMetadataManager.getBucketKey(volumeName, bucketName); + + // As we have not still called validateAndUpdateCache, get() should + // return null. + + Assert.assertNull(omMetadataManager.getBucketTable().get(bucketKey)); + + OMClientResponse omClientResponse = + omBucketCreateRequest.validateAndUpdateCache(ozoneManager, 1); + + OMResponse omResponse = omClientResponse.getOMResponse(); + Assert.assertNotNull(omResponse.getCreateBucketResponse()); + Assert.assertEquals(OzoneManagerProtocolProtos.Status.VOLUME_NOT_FOUND, + omResponse.getStatus()); + + // As request valid bucket table should not have entry. 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