blob: de3a89c0834b70b8d011e9ef631b59cfe3dd9f8c [file] [log] [blame]
/**
* 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.hdfs.server.namenode;
import static org.apache.hadoop.hdfs.DFSConfigKeys.*;
import static org.junit.Assert.*;
import java.io.IOException;
import java.net.URI;
import java.util.Collection;
import org.apache.hadoop.conf.Configuration;
import org.junit.Test;
public class TestFSNamesystem {
/**
* Tests that the namenode edits dirs are gotten with duplicates removed
*/
@Test
public void testUniqueEditDirs() throws IOException {
Configuration config = new Configuration();
config.set(DFS_NAMENODE_EDITS_DIR_KEY, "file://edits/dir, "
+ "file://edits/dir1,file://edits/dir1"); // overlapping internally
// getNamespaceEditsDirs removes duplicates
Collection<URI> editsDirs = FSNamesystem.getNamespaceEditsDirs(config);
assertEquals(2, editsDirs.size());
}
}