/**
* 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.hadoop.util.StringUtils;
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 org.apache.commons.logging.impl.Log4JLogger;
/**
* <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;
{
try {
((Log4JLogger)FileSystem.LOG).getLogger().setLevel(Level.DEBUG);
}
catch(Exception e) {
System.out.println("Cannot change log level\n"
+ StringUtils.stringifyException(e));
}
}
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 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);
}
}