/*
* 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.directory.server.core.partition.impl.btree.jdbm;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import java.util.Comparator;
import jdbm.RecordManager;
import jdbm.btree.BTree;
import jdbm.helper.DefaultSerializer;
import jdbm.recman.BaseRecordManager;
import org.apache.directory.server.xdbm.Tuple;
import org.apache.directory.shared.ldap.constants.SchemaConstants;
import org.apache.directory.shared.ldap.cursor.InvalidCursorPositionException;
import org.apache.directory.shared.ldap.schema.SchemaManager;
import org.apache.directory.shared.ldap.schema.comparators.SerializableComparator;
import org.apache.directory.shared.ldap.schema.ldif.extractor.SchemaLdifExtractor;
import org.apache.directory.shared.ldap.schema.ldif.extractor.impl.DefaultSchemaLdifExtractor;
import org.apache.directory.shared.ldap.schema.loader.ldif.LdifSchemaLoader;
import org.apache.directory.shared.ldap.schema.manager.impl.DefaultSchemaManager;
import org.apache.directory.shared.ldap.util.ExceptionUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* Test case for KeyTupleBTreeCursor.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class KeyTupleBTreeCursorTest
{
JdbmTable<String,String> table;
Comparator<String> comparator;
KeyTupleBTreeCursor<String, String> cursor;
File dbFile;
RecordManager recman;
private static final String KEY = "1";
private static final String TEST_OUTPUT_PATH = "test.output.path";
private static SchemaManager schemaManager;
@BeforeClass
public static void init() throws Exception
{
String workingDirectory = System.getProperty( "workingDirectory" );
if ( workingDirectory == null )
{
String path = DupsContainerCursorTest.class.getResource( "" ).getPath();
int targetPos = path.indexOf( "target" );
workingDirectory = path.substring( 0, targetPos + 6 );
}
File schemaRepository = new File( workingDirectory, "schema" );
SchemaLdifExtractor extractor = new DefaultSchemaLdifExtractor( new File( workingDirectory ) );
extractor.extractOrCopy( true );
LdifSchemaLoader loader = new LdifSchemaLoader( schemaRepository );
schemaManager = new DefaultSchemaManager( loader );
boolean loaded = schemaManager.loadAllEnabled();
if ( !loaded )
{
fail( "Schema load failed : " + ExceptionUtils.printErrors( schemaManager.getErrors() ) );
}
}
@Before
public void createTree() throws Exception
{
comparator = new Comparator<String>()
{
public int compare( String i1, String i2 )
{
return i1.compareTo( i2 );
}
};
File tmpDir = null;
if ( System.getProperty( TEST_OUTPUT_PATH, null ) != null )
{
tmpDir = new File( System.getProperty( TEST_OUTPUT_PATH ) );
}
dbFile = File.createTempFile( getClass().getSimpleName(), "db", tmpDir );
recman = new BaseRecordManager( dbFile.getAbsolutePath() );
SerializableComparator<String> comparator = new SerializableComparator<String>( SchemaConstants.INTEGER_ORDERING_MATCH_MR_OID );
comparator.setSchemaManager( schemaManager );
table = new JdbmTable<String,String>( schemaManager, "test", 6, recman,
comparator, comparator, new DefaultSerializer(), new DefaultSerializer() );
cursor = new KeyTupleBTreeCursor<String, String>( table.getBTree(), KEY, comparator );
}
@After
public void destroytable() throws Exception
{
recman.close();
recman = null;
dbFile.deleteOnExit();
String fileToDelete = dbFile.getAbsolutePath();
new File( fileToDelete + ".db" ).delete();
new File( fileToDelete + ".lg" ).delete();
dbFile = null;
}
@Test( expected = InvalidCursorPositionException.class )
public void testEmptyCursor() throws Exception
{
assertFalse( cursor.next() );
assertFalse( cursor.available() );
assertTrue( cursor.isElementReused() );
assertFalse( cursor.isClosed() );
assertFalse( cursor.first() );
assertFalse( cursor.last() );
cursor.get(); // should throw InvalidCursorPositionException
}
@Test
public void testNonEmptyCursor() throws Exception
{
table.put( KEY, "3" );
table.put( KEY, "5" );
table.put( KEY, "7" );
table.put( KEY, "12" );
table.put( KEY, "0" );
table.put( KEY, "30" );
table.put( KEY, "25" );
cursor = new KeyTupleBTreeCursor<String, String>( getDupsContainer(), KEY, comparator );
cursor.before( new Tuple<String, String>( KEY, "3" ) );
assertTrue( cursor.next() );
assertEquals( "3", cursor.get().getValue() );
cursor.after( new Tuple<String, String>( KEY, "100" ) );
assertFalse( cursor.next() );
cursor.beforeFirst();
cursor.after( new Tuple<String, String>( KEY, "13" ) );
assertTrue( cursor.next() );
assertEquals( "25", cursor.get().getValue() );
cursor.beforeFirst();
assertFalse( cursor.previous() );
assertTrue( cursor.next() );
assertEquals( "0", cursor.get().getValue() );
cursor.afterLast();
assertFalse( cursor.next() );
assertTrue( cursor.first() );
assertTrue( cursor.available() );
assertEquals( "0", cursor.get().getValue() );
assertTrue( cursor.last() );
assertTrue( cursor.available() );
assertEquals( "30", cursor.get().getValue() );
assertTrue( cursor.previous() );
assertEquals( "25", cursor.get().getValue() );
assertTrue( cursor.next() );
assertEquals( "30", cursor.get().getValue() );
}
private BTree getDupsContainer() throws Exception
{
BTree tree = table.getBTree();
DupsContainer<String> values = table.getDupsContainer( ( byte[] ) tree.find( KEY ) );
return table.getBTree( values.getBTreeRedirect() );
}
}