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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.
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package com.hp.hpl.jena.tdb.store;
import java.util.Arrays ;
import java.util.List ;
import org.apache.jena.atlas.iterator.Iter ;
import org.apache.jena.atlas.junit.BaseTest ;
import org.apache.jena.atlas.lib.FileOps ;
import org.junit.After ;
import org.junit.AfterClass ;
import org.junit.Before ;
import org.junit.Test ;
import com.hp.hpl.jena.graph.Graph ;
import com.hp.hpl.jena.graph.Node ;
import com.hp.hpl.jena.graph.Triple ;
import com.hp.hpl.jena.query.Dataset ;
import com.hp.hpl.jena.sparql.sse.SSE ;
import com.hp.hpl.jena.sparql.util.NodeFactoryExtra ;
import com.hp.hpl.jena.tdb.ConfigTest ;
import com.hp.hpl.jena.tdb.StoreConnection ;
import com.hp.hpl.jena.tdb.base.file.Location ;
import com.hp.hpl.jena.tdb.junit.GraphLocation ;
import com.hp.hpl.jena.tdb.sys.SystemTDB ;
/** Testing persistence */
public class TestDatasetTDBPersist extends BaseTest
{
static Node n0 = NodeFactoryExtra.parseNode("<http://example/n0>") ;
static Node n1 = NodeFactoryExtra.parseNode("<http://example/n1>") ;
static Node n2 = NodeFactoryExtra.parseNode("<http://example/n2>") ;
static boolean nonDeleteableMMapFiles = SystemTDB.isWindows ;
// To avoid the problems on MS Windows whereby memory mapped files
// can't be deleted from a running JVM, we use a different, cleaned
// directory each time.
GraphLocation graphLocation = null ;
@Before public void before()
{
String dirname = nonDeleteableMMapFiles ? ConfigTest.getTestingDirUnique() : ConfigTest.getTestingDir() ;
StoreConnection.reset() ;
FileOps.ensureDir(dirname) ;
FileOps.clearDirectory(dirname) ;
graphLocation = new GraphLocation(new Location(dirname)) ;
graphLocation.createDataset() ;
}
@After public void after()
{
if ( graphLocation != null )
graphLocation.release() ;
graphLocation.clearDirectory() ; // Does not have the desired effect on Windows.
}
@AfterClass public static void afterClass() { StoreConnection.reset() ; }
@Test public void dataset1()
{
Dataset ds = graphLocation.getDataset() ;
assertTrue( ds.getDefaultModel().getGraph() instanceof GraphTDB ) ;
assertTrue( ds.getNamedModel("http://example/").getGraph() instanceof GraphTDB ) ;
}
@Test public void dataset2()
{
Dataset ds = graphLocation.getDataset() ;
Graph g1 = ds.getDefaultModel().getGraph() ;
Graph g2 = ds.getNamedModel("http://example/").getGraph() ;
g1.add(new Triple(n0,n1,n2) ) ;
assertTrue(g1.contains(n0,n1,n2) ) ;
assertFalse(g2.contains(n0,n1,n2) ) ;
}
@Test public void dataset3()
{
Dataset ds = graphLocation.getDataset() ;
Graph g1 = ds.getDefaultModel().getGraph() ;
// Sometimes, under windows, deleting the files by
// graphLocation.clearDirectory does not work.
// Needed for safe tests on windows.
g1.clear() ;
Graph g2 = ds.getNamedModel("http://example/").getGraph() ;
g2.add(new Triple(n0,n1,n2) ) ;
assertTrue(g2.contains(n0,n1,n2) ) ;
assertFalse(g1.contains(n0,n1,n2) ) ;
}
@Test public void dataset4()
{
String graphName = "http://example/" ;
Triple triple = SSE.parseTriple("(<x> <y> <z>)") ;
Node gn = com.hp.hpl.jena.graph.NodeFactory.createURI(graphName) ;
Dataset ds = graphLocation.getDataset() ;
// ?? See TupleLib.
ds.asDatasetGraph().deleteAny(gn, null, null, null) ;
Graph g2 = ds.asDatasetGraph().getGraph(gn) ;
// if ( true )
// {
// PrintStream ps = System.err ;
// ps.println("Dataset names: ") ;
// Iter.print(ps, ds.listNames()) ;
// }
// Graphs only exists if they have a triple in them
assertFalse(ds.containsNamedModel(graphName)) ;
List<String> names = Iter.toList(ds.listNames()) ;
assertEquals(0, names.size()) ;
assertEquals(0, ds.asDatasetGraph().size()) ;
}
@Test public void dataset5()
{
String graphName = "http://example/" ;
Triple triple = SSE.parseTriple("(<x> <y> <z>)") ;
Dataset ds = graphLocation.getDataset() ;
Graph g2 = ds.asDatasetGraph().getGraph(com.hp.hpl.jena.graph.NodeFactory.createURI(graphName)) ;
// Graphs only exists if they have a triple in them
g2.add(triple) ;
assertTrue(ds.containsNamedModel(graphName)) ;
List<String> x = Iter.toList(ds.listNames()) ;
List<String> y = Arrays.asList(graphName) ;
assertEquals(x,y) ;
assertEquals(1, ds.asDatasetGraph().size()) ;
}
}