mehakmeet commented on code in PR #4331: URL: https://github.com/apache/hadoop/pull/4331#discussion_r899898475
########## hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/TestAbfsRenameRetryRecovery.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 + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * 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.fs.azurebfs; + +import java.lang.reflect.Field; + +import org.assertj.core.api.Assertions; +import org.junit.Test; +import org.mockito.invocation.InvocationOnMock; +import org.mockito.stubbing.Answer; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException; +import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException; +import org.apache.hadoop.fs.azurebfs.services.AbfsClient; +import org.apache.hadoop.fs.azurebfs.services.AbfsClientResult; +import org.apache.hadoop.fs.azurebfs.services.AbfsRestOperation; +import org.apache.hadoop.fs.azurebfs.services.TestAbfsClient; +import org.apache.hadoop.fs.statistics.IOStatistics; + +import static org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode.RENAME_DESTINATION_PARENT_PATH_NOT_FOUND; +import static org.apache.hadoop.fs.statistics.StoreStatisticNames.OP_RENAME; +import static org.apache.hadoop.test.LambdaTestUtils.intercept; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; + +public class TestAbfsRenameRetryRecovery extends AbstractAbfsIntegrationTest { + + private static final Logger LOG = + LoggerFactory.getLogger(TestAbfsRenameRetryRecovery.class); + + public TestAbfsRenameRetryRecovery() throws Exception { + } + + /** + * Mock the AbfsClient to run a metadata incomplete scenario with recovery + * rename. + */ + @Test + public void testRenameFailuresDueToIncompleteMetadata() throws Exception { + String sourcePath = getMethodName() + "Source"; + String destNoParentPath = "/NoParent/Dest"; + boolean doesDestParentDirExist = false; + AzureBlobFileSystem fs = getFileSystem(); + + AbfsClient mockClient = TestAbfsClient.getMockAbfsClient( + fs.getAbfsStore().getClient(), + fs.getAbfsStore().getAbfsConfiguration()); + + AzureBlobFileSystemStore abfsStore = fs.getAbfsStore(); + abfsStore = setAzureBlobSystemStoreField(abfsStore, "client", mockClient); + + // SuccessFul Result. + AbfsRestOperation successOp = mock(AbfsRestOperation.class); + AbfsClientResult successResult = mock(AbfsClientResult.class); + when(successResult.getOp()).thenReturn(successOp); + when(successResult.isIncompleteMetadataState()).thenReturn(false); + + // Failed Result. + AbfsRestOperation failedOp = mock(AbfsRestOperation.class); + AbfsClientResult recoveredMetaDataIncompleteResult = mock(AbfsClientResult.class); + when(recoveredMetaDataIncompleteResult.getOp()).thenReturn(failedOp); + when(recoveredMetaDataIncompleteResult.isIncompleteMetadataState()).thenReturn(true); + + // No destination Parent dir exception. + AzureBlobFileSystemException destParentNotFound + = getMockAbfsRestOperationException( + RENAME_DESTINATION_PARENT_PATH_NOT_FOUND.getStatusCode(), + RENAME_DESTINATION_PARENT_PATH_NOT_FOUND.getErrorCode()); + + // We need to throw an exception once a rename is triggered with + // destination having no parent, but after a retry it needs to succeed. + when(mockClient.renamePath(sourcePath, destNoParentPath, null, null, Review Comment: Good point, I'll just do thenThrow() followed by a thenReturn() which would return these in order. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
