/**
* 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.hive.io;
import java.io.IOException;
import java.util.List;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.AclEntry;
import org.apache.hadoop.fs.permission.AclEntryScope;
import org.apache.hadoop.fs.permission.AclEntryType;
import org.apache.hadoop.fs.permission.AclStatus;
import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.io.HdfsUtils.HadoopFileStatus;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mockito;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
public class TestHadoopFileStatus {
private static HiveConf hiveConf;
private static HadoopFileStatus sourceStatus;
@BeforeClass
public static void setUp() throws IOException {
hiveConf = new HiveConf(TestHadoopFileStatus.class);
hiveConf.set("dfs.namenode.acls.enabled", "true");
}
private static AclEntry newAclEntry(AclEntryScope scope, AclEntryType type, FsAction permission) {
return new AclEntry.Builder().setScope(scope).setType(type).setPermission(permission).build();
}
/*
* HdfsUtils.setFullFileStatus(..) is called from multiple parallel threads. If AclEntries
* is modifiable the method will not be thread safe and could cause random concurrency issues
* This test case checks if the aclEntries returned from HadoopFileStatus is thread-safe or not
*/
@Test(expected = UnsupportedOperationException.class)
public void testHadoopFileStatusAclEntries() throws IOException {
FileSystem mockDfs = Mockito.mock(DistributedFileSystem.class);
Path mockPath = Mockito.mock(Path.class);
List<AclEntry> aclEntries = Lists.newArrayList();
aclEntries.add(newAclEntry(AclEntryScope.ACCESS, AclEntryType.USER, FsAction.ALL));
aclEntries.add(newAclEntry(AclEntryScope.ACCESS, AclEntryType.GROUP, FsAction.READ_EXECUTE));
aclEntries.add(newAclEntry(AclEntryScope.ACCESS, AclEntryType.OTHER, FsAction.NONE));
AclStatus aclStatus = new AclStatus.Builder().owner("dummyOwner").group("dummyGroup")
.stickyBit(true).addEntries(aclEntries).build();
FileStatus mockFileStatus = Mockito.mock(FileStatus.class);
Mockito.when(mockDfs.getAclStatus(mockPath)).thenReturn(aclStatus);
Mockito.when(mockDfs.getFileStatus(mockPath)).thenReturn(mockFileStatus);
sourceStatus = new HadoopFileStatus(hiveConf, mockDfs, mockPath);
Assert.assertNotNull(sourceStatus.getAclEntries());
Assert.assertTrue(sourceStatus.getAclEntries().size() == 3);
Iterables.removeIf(sourceStatus.getAclEntries(), new Predicate<AclEntry>() {
@Override
public boolean apply(AclEntry input) {
if (input.getName() == null) {
return true;
}
return false;
}
});
}
}