| /* |
| * 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.fs.contract; |
| |
| import org.apache.hadoop.fs.Path; |
| |
| import org.apache.hadoop.test.LambdaTestUtils; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static org.apache.hadoop.fs.contract.ContractTestUtils.assertFileHasLength; |
| import static org.apache.hadoop.fs.contract.ContractTestUtils.createFile; |
| import static org.apache.hadoop.fs.contract.ContractTestUtils.dataset; |
| import static org.apache.hadoop.fs.contract.ContractTestUtils.touch; |
| import static org.apache.hadoop.test.LambdaTestUtils.intercept; |
| |
| /** |
| * Test concat -if supported |
| */ |
| public abstract class AbstractContractConcatTest extends AbstractFSContractTestBase { |
| private static final Logger LOG = |
| LoggerFactory.getLogger(AbstractContractConcatTest.class); |
| |
| private Path testPath; |
| private Path srcFile; |
| private Path zeroByteFile; |
| private Path target; |
| |
| @Override |
| public void setup() throws Exception { |
| super.setup(); |
| skipIfUnsupported(SUPPORTS_CONCAT); |
| |
| //delete the test directory |
| testPath = path("test"); |
| srcFile = new Path(testPath, "small.txt"); |
| zeroByteFile = new Path(testPath, "zero.txt"); |
| target = new Path(testPath, "target"); |
| |
| byte[] block = dataset(TEST_FILE_LEN, 0, 255); |
| createFile(getFileSystem(), srcFile, true, block); |
| touch(getFileSystem(), zeroByteFile); |
| } |
| |
| @Test |
| public void testConcatEmptyFiles() throws Throwable { |
| touch(getFileSystem(), target); |
| handleExpectedException(intercept(Exception.class, |
| new LambdaTestUtils.VoidCallable() { |
| @Override |
| public void call() throws Exception { |
| getFileSystem().concat(target, new Path[0]); |
| } |
| })); |
| } |
| |
| @Test |
| public void testConcatMissingTarget() throws Throwable { |
| handleExpectedException( |
| intercept(Exception.class, |
| new LambdaTestUtils.VoidCallable() { |
| @Override |
| public void call() throws Exception { |
| getFileSystem().concat(target, new Path[]{zeroByteFile}); |
| } |
| })); |
| } |
| |
| @Test |
| public void testConcatFileOnFile() throws Throwable { |
| byte[] block = dataset(TEST_FILE_LEN, 0, 255); |
| createFile(getFileSystem(), target, false, block); |
| getFileSystem().concat(target, |
| new Path[] {srcFile}); |
| assertFileHasLength(getFileSystem(), target, TEST_FILE_LEN *2); |
| ContractTestUtils.validateFileContent( |
| ContractTestUtils.readDataset(getFileSystem(), |
| target, TEST_FILE_LEN * 2), |
| new byte[][]{block, block}); |
| } |
| |
| @Test |
| public void testConcatOnSelf() throws Throwable { |
| byte[] block = dataset(TEST_FILE_LEN, 0, 255); |
| createFile(getFileSystem(), target, false, block); |
| handleExpectedException(intercept(Exception.class, |
| new LambdaTestUtils.VoidCallable() { |
| @Override |
| public void call() throws Exception { |
| getFileSystem().concat(target, new Path[]{target}); |
| } |
| })); |
| } |
| |
| } |