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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 com.hp.hpl.jena.sparql.core;
import java.util.Iterator ;
import org.apache.jena.atlas.iterator.Iter ;
import org.apache.jena.atlas.junit.BaseTest ;
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.shared.PrefixMapping ;
import com.hp.hpl.jena.sparql.core.DatasetGraph ;
import com.hp.hpl.jena.sparql.core.DatasetGraphViewGraphs ;
import com.hp.hpl.jena.sparql.core.Quad ;
import com.hp.hpl.jena.sparql.sse.SSE ;
public abstract class AbstractTestGraphOverDataset extends BaseTest
{
// See also: ARQ/GraphsTests, TestGraphsMem(enable tests?), UnionTransformTests
protected DatasetGraph baseDSG ;
protected abstract DatasetGraph createBaseDSG() ;
private static Quad q0 = SSE.parseQuad("(_ <s> <p> 0)") ;
private static Quad q1 = SSE.parseQuad("(<g1> <s> <p> 1)") ;
private static Quad q2 = SSE.parseQuad("(<g2> <s> <p> 2)") ; // same triple - different graph
private static Quad q3 = SSE.parseQuad("(<g3> <s> <p> 2)") ; // same triple - different graph
private static Node gn1 = SSE.parseNode("<g1>") ;
private static Node gn2 = SSE.parseNode("<g2>") ;
private static Node gn3 = SSE.parseNode("<g3>") ;
private static Node gnNotSuchGraph = SSE.parseNode("<NoSuchGraph>") ;
protected abstract Graph makeNamedGraph(DatasetGraph dsg, Node gn) ;
protected abstract Graph makeDefaultGraph(DatasetGraph dsg) ;
@Before public void before()
{
baseDSG = createBaseDSG() ;
baseDSG.add(q0) ;
baseDSG.add(q1) ;
baseDSG.add(q2) ;
baseDSG.add(q3) ;
}
@Test public void graphDSG_view_1()
{
Triple t = makeDefaultGraph(baseDSG).find(null, null, null).next() ;
assertEquals(SSE.parseTriple("(<s> <p> 0)"), t) ;
// Check exact iterator.
}
@Test public void graphDSG_view_2()
{
Triple t = makeNamedGraph(baseDSG, gn1).find(null, null, null).next() ;
assertEquals(SSE.parseTriple("(<s> <p> 1)"), t) ;
// Check exact iterator.
}
@Test public void graphDSG_view_3()
{
Graph g = makeDefaultGraph(baseDSG) ;
g.add(SSE.parseTriple("(<s> <p> 99)")) ;
long x = Iter.count(baseDSG.find(Quad.defaultGraphNodeGenerated, null, null, null)) ;
assertEquals(2, x) ;
assertEquals(2, g.size()) ;
// Check exact iterator.
}
// non-existant graph
@Test public void graphDSG_view_4()
{
Graph g = makeNamedGraph(baseDSG, gnNotSuchGraph) ;
long x = Iter.count(baseDSG.find(gnNotSuchGraph, null, null, null)) ;
assertEquals(0, x) ;
assertEquals(0, g.size()) ;
}
// This test only works if the underlying dataset implements Quad.unionGraph
@Test public void graphDSG_view_union_1()
{
Graph g = makeNamedGraph(baseDSG, Quad.unionGraph) ;
Iterator<Triple> iter = g.find(null,null,null) ;
while(iter.hasNext())
iter.next() ;
assertEquals(2, g.size()) ;
}
// ---- contains
@Test public void graphDSG_contains_1()
{
boolean b = new DatasetGraphViewGraphs(baseDSG).containsGraph(gn1) ;
assertTrue(b) ;
}
@Test public void graphDSG_contains_2()
{
boolean b = new DatasetGraphViewGraphs(baseDSG).containsGraph(gnNotSuchGraph) ;
assertFalse(b) ;
}
// ---- prefixes
@Test public void graphDSG_prefixes_1()
{
Graph g = makeNamedGraph(baseDSG, gn1) ;
PrefixMapping pmap = g.getPrefixMapping() ;
assertNotNull(pmap) ;
}
@Test public void graphDSG_prefixes_2()
{
Graph g = makeNamedGraph(baseDSG, Quad.unionGraph) ;
PrefixMapping pmap = g.getPrefixMapping() ;
assertNotNull(pmap) ;
}
@Test public void graphDSG_prefixes_3()
{
Graph g = makeDefaultGraph(baseDSG) ;
PrefixMapping pmap = g.getPrefixMapping() ;
assertNotNull(pmap) ;
}
@Test public void graphDSG_prefixes_4()
{
// All graphs exist.
Graph g = makeNamedGraph(baseDSG, gnNotSuchGraph) ;
PrefixMapping pmap = g.getPrefixMapping() ;
assertNotNull(pmap) ;
}
// ---- update
@Test public void graphDGS_update_1()
{
Quad q9 = SSE.parseQuad("(<g3> <s> <p> 9)") ;
Graph g = makeNamedGraph(baseDSG, gn3) ;
baseDSG.add(q9) ;
Triple t = SSE.parseTriple("(<s> <p> 9)") ;
assertTrue(g.contains(t)) ;
}
@Test public void graphDGS_update_2()
{
Triple t = SSE.parseTriple("(<s> <p> 9)") ;
Graph g = makeNamedGraph(baseDSG, gn3) ;
g.add(t) ;
Quad q9 = SSE.parseQuad("(<g3> <s> <p> 9)") ;
assertTrue(baseDSG.contains(q9)) ;
}
}