bhattmanish98 commented on code in PR #7364: URL: https://github.com/apache/hadoop/pull/7364#discussion_r1959107055
########## hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemMkDir.java: ########## @@ -167,4 +185,139 @@ public void testMkdirWithExistingFilename() throws Exception { intercept(FileAlreadyExistsException.class, () -> fs.mkdirs(new Path("/testFilePath"))); intercept(FileAlreadyExistsException.class, () -> fs.mkdirs(new Path("/testFilePath/newDir"))); } + + /** + * Tests the idempotency of creating a path with retries by simulating + * a conflict response (HTTP 409) from the Azure Blob File System client. + * The method ensures that the path creation operation retries correctly + * with the proper transaction ID headers, verifying idempotency during + * failure recovery. + * + * @throws Exception if any error occurs during the operation. + */ + @Test + public void createPathRetryIdempotency() throws Exception { + Configuration configuration = new Configuration(getRawConfiguration()); + configuration.set(FS_AZURE_ENABLE_CLIENT_TRANSACTION_ID, "true"); + try (AzureBlobFileSystem fs = getFileSystem(configuration)) { + assumeRecoveryThroughClientTransactionID(fs, true); + AzureBlobFileSystemStore store = Mockito.spy(fs.getAbfsStore()); + AbfsClientHandler clientHandler = Mockito.spy(store.getClientHandler()); + AbfsDfsClient abfsClient = (AbfsDfsClient) Mockito.spy( + clientHandler.getClient()); + fs.getAbfsStore().setClient(abfsClient); + fs.getAbfsStore().setClientHandler(clientHandler); + Mockito.doReturn(abfsClient).when(clientHandler).getIngressClient(); + final Path nonOverwriteFile = new Path( + "/NonOverwriteTest_FileName_" + UUID.randomUUID()); + final List<AbfsHttpHeader> headers = new ArrayList<>(); + TestAbfsClient.mockAbfsOperationCreation(abfsClient, + new MockIntercept<AbfsRestOperation>() { + private int count = 0; + + @Override + public void answer(final AbfsRestOperation mockedObj, + final InvocationOnMock answer) + throws AbfsRestOperationException { + if (count == 0) { + count = 1; + AbfsHttpOperation op = Mockito.mock(AbfsHttpOperation.class); + Mockito.doReturn("PUT").when(op).getMethod(); + Mockito.doReturn("").when(op).getStorageErrorMessage(); + Mockito.doReturn(true).when(mockedObj).hasResult(); + Mockito.doReturn(op).when(mockedObj).getResult(); + Mockito.doReturn(HTTP_CONFLICT).when(op).getStatusCode(); + headers.addAll(mockedObj.getRequestHeaders()); + throw new AbfsRestOperationException(HTTP_CONFLICT, + AzureServiceErrorCode.PATH_CONFLICT.getErrorCode(), "", + null, op); + } + } + }); + AbfsRestOperation getPathRestOp = Mockito.mock(AbfsRestOperation.class); + AbfsHttpOperation op = Mockito.mock(AbfsHttpOperation.class); + Mockito.doAnswer(answer -> { + String requiredHeader = null; + for (AbfsHttpHeader httpHeader : headers) { + if (X_MS_CLIENT_TRANSACTION_ID.equalsIgnoreCase( + httpHeader.getName())) { + requiredHeader = httpHeader.getValue(); + break; + } + } + return requiredHeader; + }).when(op).getResponseHeader(X_MS_CLIENT_TRANSACTION_ID); + Mockito.doReturn(true).when(getPathRestOp).hasResult(); + Mockito.doReturn(op).when(getPathRestOp).getResult(); + Mockito.doReturn(getPathRestOp).when(abfsClient).getPathStatus( + Mockito.nullable(String.class), Mockito.nullable(Boolean.class), + Mockito.nullable(TracingContext.class), + Mockito.nullable(ContextEncryptionAdapter.class)); + fs.create(nonOverwriteFile, false); + } + } + + /** + * Test to verify that the client transaction ID is included in the response header + * during the creation of a new file in Azure Blob Storage. + * <p> + * This test ensures that when a new file is created, the Azure Blob FileSystem client + * correctly includes the client transaction ID in the response header for the created file. + * The test uses a configuration where client transaction ID is enabled and verifies + * its presence after the file creation operation. + * </p> + * + * @throws Exception if any error occurs during test execution + */ + @Test + public void getClientTransactionIdAfterCreate() throws Exception { + try (AzureBlobFileSystem fs = getFileSystem()) { + assumeRecoveryThroughClientTransactionID(fs, true); + AbfsDfsClient abfsDfsClient = (AbfsDfsClient) fs.getAbfsClient(); + final Path nonOverwriteFile = new Path( + "/NonOverwriteTest_FileName_" + UUID.randomUUID()); + fs.create(nonOverwriteFile, false); + + final AbfsHttpOperation getPathStatusOp = + abfsDfsClient.getPathStatus(nonOverwriteFile.toUri().getPath(), false, + getTestTracingContext(fs, true), null).getResult(); + Assertions.assertThat( + getPathStatusOp.getResponseHeader(X_MS_CLIENT_TRANSACTION_ID)) + .describedAs("Client transaction ID should be set during create") + .isNotNull(); + } + } + + /** + * Test to verify that the client transaction ID is included in the response header + * after two consecutive create operations on the same file in Azure Blob Storage. + * <p> + * This test ensures that even after performing two create operations (with overwrite) + * on the same file, the Azure Blob FileSystem client includes the client transaction ID + * in the response header for the created file. The test checks for the presence of + * the client transaction ID in the response after the second create call. + * </p> + * + * @throws Exception if any error occurs during test execution + */ + @Test + public void testClientTransactionIdAfterTwoCreateCalls() throws Exception { + try (AzureBlobFileSystem fs = getFileSystem()) { + assumeRecoveryThroughClientTransactionID(fs, true); + AbfsDfsClient abfsDfsClient = (AbfsDfsClient) fs.getAbfsClient(); + Path testPath = path("testfile"); + AzureBlobFileSystemStore.Permissions permissions + = new AzureBlobFileSystemStore.Permissions(false, + FsPermission.getDefault(), FsPermission.getUMask(fs.getConf())); + fs.create(testPath, false); + fs.create(testPath, true); + final AbfsHttpOperation getPathStatusOp = + abfsDfsClient.getPathStatus(testPath.toUri().getPath(), false, + getTestTracingContext(fs, true), null).getResult(); + Assertions.assertThat( + getPathStatusOp.getResponseHeader(X_MS_CLIENT_TRANSACTION_ID)) + .describedAs("Client transaction ID should be set during create") + .isNotNull(); + } Review Comment: Added assert for clienttransactionid check. -- This is an automated message from the Apache Git Service. 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