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* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.index.store;
import org.apache.lucene.store.BaseDirectoryWrapper;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.store.FileSwitchDirectory;
import org.apache.lucene.store.FilterDirectory;
import org.apache.lucene.store.RAMDirectory;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Collections;
import java.util.Set;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.CoreMatchers.sameInstance;
public class DirectoryUtilsTests extends ESTestCase {
public void testGetLeave() throws IOException {
Path file = createTempDir();
final int iters = scaledRandomIntBetween(10, 100);
for (int i = 0; i < iters; i++) {
{
BaseDirectoryWrapper dir = newFSDirectory(file);
FSDirectory directory = DirectoryUtils.getLeaf(new FilterDirectory(dir) {}, FSDirectory.class, null);
assertThat(directory, notNullValue());
assertThat(directory, sameInstance(DirectoryUtils.getLeafDirectory(dir, null)));
dir.close();
}
{
BaseDirectoryWrapper dir = newFSDirectory(file);
FSDirectory directory = DirectoryUtils.getLeaf(dir, FSDirectory.class, null);
assertThat(directory, notNullValue());
assertThat(directory, sameInstance(DirectoryUtils.getLeafDirectory(dir, null)));
dir.close();
}
{
Set<String> stringSet = Collections.emptySet();
BaseDirectoryWrapper dir = newFSDirectory(file);
FSDirectory directory = DirectoryUtils.getLeaf(new FileSwitchDirectory(stringSet, dir, dir, random().nextBoolean()), FSDirectory.class, null);
assertThat(directory, notNullValue());
assertThat(directory, sameInstance(DirectoryUtils.getLeafDirectory(dir, null)));
dir.close();
}
{
Set<String> stringSet = Collections.emptySet();
BaseDirectoryWrapper dir = newFSDirectory(file);
FSDirectory directory = DirectoryUtils.getLeaf(new FilterDirectory(new FileSwitchDirectory(stringSet, dir, dir, random().nextBoolean())) {}, FSDirectory.class, null);
assertThat(directory, notNullValue());
assertThat(directory, sameInstance(DirectoryUtils.getLeafDirectory(dir, null)));
dir.close();
}
{
Set<String> stringSet = Collections.emptySet();
BaseDirectoryWrapper dir = newFSDirectory(file);
RAMDirectory directory = DirectoryUtils.getLeaf(new FilterDirectory(new FileSwitchDirectory(stringSet, dir, dir, random().nextBoolean())) {}, RAMDirectory.class, null);
assertThat(directory, nullValue());
dir.close();
}
}
}
}