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* Licensed to the Apache Software Foundation (ASF) under one
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* 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.jena.assembler.test;
import java.util.*;
import org.apache.jena.assembler.* ;
import org.apache.jena.graph.compose.MultiUnion ;
import org.apache.jena.rdf.model.Model ;
import org.apache.jena.util.FileManager ;
public class TestImportManager extends AssemblerTestBase
{
public TestImportManager( String name )
{ super( name ); }
static class FixedFileManager extends FileManager
{
Map<String, Model> map = new HashMap<>();
@Override public Model loadModel( String URL )
{
Model result = map.get( URL );
if (result == null) fail( "no model for " + URL );
return result;
}
public FixedFileManager add( String URL, Model m )
{
map.put( URL, m );
return this;
}
}
public void testFollowOwlImports()
{
final Model modelToLoad = model( "this hasMarker B5" );
Model m = model( "x ja:reasoner y; _x owl:imports eh:/loadMe" );
FileManager fm = new FixedFileManager().add( "eh:/loadMe", modelToLoad );
Model m2 = new ImportManager().withImports( fm, m );
assertInstanceOf( MultiUnion.class, m2.getGraph() );
assertIsoModels( modelToLoad.union( m ), m2 );
}
public void testFollowJAImports()
{
final Model modelToLoad = model( "this hasMarker B5" );
Model m = model( "x ja:reasoner y; _x ja:imports eh:/loadMe" );
FileManager fm = new FixedFileManager().add( "eh:/loadMe", modelToLoad );
Model m2 = new ImportManager().withImports( fm, m );
assertInstanceOf( MultiUnion.class, m2.getGraph() );
assertIsoModels( modelToLoad.union( m ), m2 );
}
public void testImportMayBeLiteral()
{
final Model modelToLoad = model( "this hasMarker B5" );
Model m = model( "x ja:reasoner y; _x ja:imports 'eh:/loadMe'" );
FileManager fm = new FixedFileManager().add( "eh:/loadMe", modelToLoad );
Model m2 = new ImportManager().withImports( fm, m );
assertInstanceOf( MultiUnion.class, m2.getGraph() );
assertIsoModels( modelToLoad.union( m ), m2 );
}
public void testBadImportObjectFails()
{
testBadImportObjectFails( "_bnode" );
testBadImportObjectFails( "17" );
testBadImportObjectFails( "'chat'fr" );
testBadImportObjectFails( "'chat'xsd:wrong" );
}
private void testBadImportObjectFails( String object )
{
String string = "x ja:imports " + object;
Model m = model( string );
try
{
new ImportManager().withImports( m );
fail( "should trap bad import specification " + string );
}
catch (BadObjectException e)
{
assertEquals( resource( "x" ), e.getRoot() );
assertEquals( rdfNode( m, object ), e.getObject() );
}
}
public void testFollowOwlImportsDeeply()
{
final Model
m1 = model( "this hasMarker M1; _x owl:imports M2" ),
m2 = model( "this hasMarker M2" );
Model m = model( "x ja:reasoner y; _x owl:imports M1" );
FileManager fm = new FixedFileManager()
.add( "eh:/M1", m1 ).add( "eh:/M2", m2 );
Model result = new ImportManager().withImports( fm, m );
assertInstanceOf( MultiUnion.class, result.getGraph() );
assertIsoModels( m1.union(m2).union(m), result );
}
public void testCatchesCircularity()
{
final Model
m1 = model( "this hasMarker Mx; _x owl:imports My" ),
m2 = model( "this hasMarker My; _x owl:imports Mx" );
FileManager fm = new FixedFileManager()
.add( "eh:/Mx", m1 ).add( "eh:/My", m2 );
Model result = new ImportManager().withImports( fm, m1 );
assertIsoModels( m1.union( m2 ), result );
}
public void testCacheModels()
{
ImportManager im = new ImportManager();
Model spec = model( "_x owl:imports M1" );
Model m1 = model( "this isModel M1" );
FileManager withM1 = new FixedFileManager().add( "eh:/M1", m1 );
Model A = im.withImports( withM1, spec );
FileManager none = new FixedFileManager();
Model B = im.withImports( none, spec );
assertIsoModels( A, B );
}
}