| /** |
| * 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; |
| |
| |
| import java.io.IOException; |
| |
| import org.apache.log4j.Level; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import static org.apache.hadoop.fs.FileContextTestHelper.*; |
| import static org.apache.hadoop.fs.contract.ContractTestUtils.assertIsDirectory; |
| import static org.apache.hadoop.fs.contract.ContractTestUtils.assertIsFile; |
| |
| import org.apache.hadoop.test.GenericTestUtils; |
| |
| /** |
| * <p> |
| * A collection of tests for the {@link FileContext}, create method |
| * This test should be used for testing an instance of FileContext |
| * that has been initialized to a specific default FileSystem such a |
| * LocalFileSystem, HDFS,S3, etc. |
| * </p> |
| * <p> |
| * To test a given {@link FileSystem} implementation create a subclass of this |
| * test and override {@link #setUp()} to initialize the <code>fc</code> |
| * {@link FileContext} instance variable. |
| * |
| * Since this a junit 4 you can also do a single setup before |
| * the start of any tests. |
| * E.g. |
| * @BeforeClass public static void clusterSetupAtBegining() |
| * @AfterClass public static void ClusterShutdownAtEnd() |
| * </p> |
| */ |
| |
| public abstract class FileContextCreateMkdirBaseTest { |
| |
| protected final FileContextTestHelper fileContextTestHelper; |
| protected static FileContext fc; |
| |
| static { |
| GenericTestUtils.setLogLevel(FileSystem.LOG, Level.DEBUG); |
| } |
| |
| public FileContextCreateMkdirBaseTest() { |
| fileContextTestHelper = createFileContextHelper(); |
| } |
| |
| protected FileContextTestHelper createFileContextHelper() { |
| return new FileContextTestHelper(); |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| fc.mkdir(getTestRootPath(fc), FileContext.DEFAULT_PERM, true); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| fc.delete(getTestRootPath(fc), true); |
| } |
| |
| |
| |
| /////////////////////// |
| // Test Mkdir |
| //////////////////////// |
| |
| @Test |
| public void testMkdirNonRecursiveWithExistingDir() throws IOException { |
| Path f = getTestRootPath(fc, "aDir"); |
| fc.mkdir(f, FileContext.DEFAULT_PERM, false); |
| Assert.assertTrue(isDir(fc, f)); |
| } |
| |
| @Test |
| public void testMkdirNonRecursiveWithNonExistingDir() { |
| try { |
| fc.mkdir(getTestRootPath(fc,"NonExistant/aDir"), |
| FileContext.DEFAULT_PERM, false); |
| Assert.fail("Mkdir with non existing parent dir should have failed"); |
| } catch (IOException e) { |
| // failed As expected |
| } |
| } |
| |
| |
| @Test |
| public void testMkdirRecursiveWithExistingDir() throws IOException { |
| Path f = getTestRootPath(fc, "aDir"); |
| fc.mkdir(f, FileContext.DEFAULT_PERM, true); |
| Assert.assertTrue(isDir(fc, f)); |
| } |
| |
| |
| @Test |
| public void testMkdirRecursiveWithNonExistingDir() throws IOException { |
| Path f = getTestRootPath(fc, "NonExistant2/aDir"); |
| fc.mkdir(f, FileContext.DEFAULT_PERM, true); |
| Assert.assertTrue(isDir(fc, f)); |
| } |
| |
| @Test |
| public void testMkdirsRecursiveWithExistingDir() throws IOException { |
| Path f = getTestRootPath(fc, "aDir/bDir/cDir"); |
| fc.mkdir(f, FileContext.DEFAULT_PERM, true); |
| assertIsDirectory(fc.getFileStatus(f)); |
| assertIsDirectory(fc.getFileStatus(f.getParent())); |
| assertIsDirectory(fc.getFileStatus(f.getParent().getParent())); |
| } |
| |
| @Test |
| public void testMkdirRecursiveWithExistingFile() throws IOException { |
| Path f = getTestRootPath(fc, "NonExistant3/aDir"); |
| fc.mkdir(f, FileContext.DEFAULT_PERM, true); |
| assertIsDirectory(fc.getFileStatus(f)); |
| assertIsDirectory(fc.getFileStatus(f.getParent())); |
| |
| // create a sample file |
| Path filePath = new Path(f.getParent(), "test.txt"); |
| createFile(fc, filePath); |
| assertIsFile(filePath, fc.getFileStatus(filePath)); |
| |
| // try creating another folder which conflicts with filePath |
| Path dirPath = new Path(filePath, "bDir/cDir"); |
| try { |
| fc.mkdir(dirPath, FileContext.DEFAULT_PERM, true); |
| Assert.fail("Mkdir for " + dirPath |
| + " should have failed as a file was present"); |
| } catch(IOException e) { |
| // failed as expected |
| } |
| } |
| |
| @Test |
| public void testWithRename() throws IOException, InterruptedException { |
| Path root = getTestRootPath(fc); |
| Path f = new Path(root, "d1/d2/d3"); |
| fc.mkdir(f, FileContext.DEFAULT_PERM, true); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1"))); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1/d2"))); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1/d2/d3"))); |
| |
| // create a sample file f.txt |
| Path fPath = new Path(root, "d1/d2/f.txt"); |
| createFile(fc, fPath); |
| assertIsFile(fPath, fc.getFileStatus(fPath)); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1"))); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1/d2"))); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1/d2/d3"))); |
| |
| // create a sample file f2.txt |
| Path f2Path = new Path(getTestRootPath(fc), "d1/d2/d3/f2.txt"); |
| createFile(fc, f2Path); |
| assertIsFile(fPath, fc.getFileStatus(f2Path)); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1"))); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1/d2"))); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1/d2/d3"))); |
| |
| //rename d1/d2/d3 d1/d4 |
| fc.rename(new Path(root, "d1/d2/d3"), new Path(root, "d1/d4")); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1"))); |
| assertIsDirectory(fc.getFileStatus(new Path(root, "d1/d4"))); |
| Path f2NewPath = new Path(root, "d1/d4/f2.txt"); |
| assertIsFile(f2NewPath, fc.getFileStatus(f2NewPath)); |
| } |
| |
| |
| /////////////////////// |
| // Test Create |
| //////////////////////// |
| @Test |
| public void testCreateNonRecursiveWithExistingDir() throws IOException { |
| Path f = getTestRootPath(fc, "foo"); |
| createFile(fc, f); |
| Assert.assertTrue(isFile(fc, f)); |
| } |
| |
| @Test |
| public void testCreateNonRecursiveWithNonExistingDir() { |
| try { |
| createFileNonRecursive(fc, getTestRootPath(fc, "NonExisting/foo")); |
| Assert.fail("Create with non existing parent dir should have failed"); |
| } catch (IOException e) { |
| // As expected |
| } |
| } |
| |
| |
| @Test |
| public void testCreateRecursiveWithExistingDir() throws IOException { |
| Path f = getTestRootPath(fc,"foo"); |
| createFile(fc, f); |
| Assert.assertTrue(isFile(fc, f)); |
| } |
| |
| |
| @Test |
| public void testCreateRecursiveWithNonExistingDir() throws IOException { |
| Path f = getTestRootPath(fc,"NonExisting/foo"); |
| createFile(fc, f); |
| Assert.assertTrue(isFile(fc, f)); |
| } |
| |
| private Path getTestRootPath(FileContext fc) { |
| return fileContextTestHelper.getTestRootPath(fc); |
| } |
| |
| private Path getTestRootPath(FileContext fc, String pathString) { |
| return fileContextTestHelper.getTestRootPath(fc, pathString); |
| } |
| |
| } |