/**
* 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.io;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.io.nativeio.NativeIO;
import org.junit.BeforeClass;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assume.*;
import static org.junit.Assert.*;
import java.io.IOException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
public class TestSecureIOUtils {
private static String realOwner, realGroup;
private static final File testFilePath =
new File(System.getProperty("test.build.data"), "TestSecureIOContext");
@BeforeClass
public static void makeTestFile() throws Exception {
FileOutputStream fos = new FileOutputStream(testFilePath);
fos.write("hello".getBytes("UTF-8"));
fos.close();
Configuration conf = new Configuration();
FileSystem rawFS = FileSystem.getLocal(conf).getRaw();
FileStatus stat = rawFS.getFileStatus(
new Path(testFilePath.toString()));
realOwner = stat.getOwner();
realGroup = stat.getGroup();
}
@Test
public void testReadUnrestricted() throws IOException {
SecureIOUtils.openForRead(testFilePath, null, null).close();
}
@Test
public void testReadCorrectlyRestrictedWithSecurity() throws IOException {
SecureIOUtils
.openForRead(testFilePath, realOwner, realGroup).close();
}
@Test(expected=IOException.class)
public void testReadIncorrectlyRestrictedWithSecurity() throws IOException {
SecureIOUtils
.openForRead(testFilePath, "invalidUser", null).close();
fail("Didn't throw expection for wrong ownership!");
}
@Test
public void testCreateForWrite() throws IOException {
try {
SecureIOUtils.createForWrite(testFilePath, 0777);
fail("Was able to create file at " + testFilePath);
} catch (SecureIOUtils.AlreadyExistsException aee) {
// expected
}
}
}