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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
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package com.hp.hpl.jena.sparql.algebra.uniongraph;
import java.util.List ;
import org.junit.Test ;
import org.openjena.atlas.iterator.Iter ;
import org.openjena.atlas.junit.BaseTest ;
import com.hp.hpl.jena.sparql.algebra.Algebra ;
import com.hp.hpl.jena.sparql.algebra.Op ;
import com.hp.hpl.jena.sparql.core.Quad ;
import com.hp.hpl.jena.sparql.engine.QueryIterator ;
import com.hp.hpl.jena.sparql.engine.binding.Binding ;
public abstract class AbstractTestUnionTransform extends BaseTest
{
// Tests of patterns over the implicit union of all named graphs.
// Two sets - for triples and for quads
// TODO need multiple triple pattern BGPs.
@Test public void union_1()
{
List<Binding> results = exec("(bgp (?s ?p ?o))") ;
assertEquals(2, results.size()) ;
}
@Test public void union_2()
{
List<Binding> results = exec("(bgp (<s2> ?p ?o))") ;
assertEquals(1, results.size()) ;
}
@Test public void union_3()
{
List<Binding> results = exec("(graph <g1> (bgp (<s1> ?p ?o)))") ;
assertEquals(1, results.size()) ;
}
@Test public void union_4()
{
List<Binding> results = exec("(graph <g1> (bgp (<s2> ?p ?o)))") ;
assertEquals(0, results.size()) ;
}
@Test public void union_5()
{
List<Binding> results = exec("(graph <g2> (bgp (<s2> ?p ?o)))") ;
assertEquals(1, results.size()) ;
}
@Test public void union_6()
{
List<Binding> results = exec("(graph <"+Quad.defaultGraphIRI+"> (bgp (<s2> ?p ?o)))") ;
assertEquals(0, results.size()) ;
}
@Test public void union_7()
{
List<Binding> results = exec("(graph <"+Quad.defaultGraphIRI+"> (bgp (<x2> ?p ?o)))") ;
assertEquals(3, results.size()) ;
}
// @Test public void union_7()
// {
// List<Binding> results = exec("(graph <"+Quad.defaultGraphNodeGenerated+"> (bgp (<s2> ?p ?o)))") ;
// assertEquals(1, results.size()) ;
// }
private List<Binding> exec(String pattern)
{
Op op = op(pattern) ;
QueryIterator qIter = Algebra.exec(op, TestUnionGraph.dsg1) ;
return Iter.toList(qIter) ;
}
protected abstract Op op(String pattern) ;
}