/**
* 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.jena.sparql.core;
import static org.apache.jena.sparql.core.TestSpecialGraphs.Mode.QUADS ;
import static org.apache.jena.sparql.core.TestSpecialGraphs.Mode.TRIPLES ;
import static org.junit.Assert.assertEquals ;
import java.util.Arrays ;
import java.util.Collection ;
import java.util.List ;
import org.apache.jena.atlas.iterator.Iter ;
import org.apache.jena.atlas.lib.Creator ;
import org.apache.jena.atlas.lib.StrUtils ;
import org.apache.jena.sparql.algebra.Algebra ;
import org.apache.jena.sparql.algebra.Op ;
import org.apache.jena.sparql.core.DatasetGraph ;
import org.apache.jena.sparql.core.DatasetGraphFactory ;
import org.apache.jena.sparql.core.Quad ;
import org.apache.jena.sparql.engine.QueryIterator ;
import org.apache.jena.sparql.engine.binding.Binding ;
import org.apache.jena.sparql.sse.SSE ;
import org.apache.jena.sparql.sse.builders.BuilderGraph ;
import org.junit.Test ;
import org.junit.runner.RunWith ;
import org.junit.runners.Parameterized ;
import org.junit.runners.Parameterized.Parameters ;
/** Test special graphs */
@RunWith(Parameterized.class)
public class TestSpecialGraphs {
@Parameters(name = "{index}: {0}")
public static Collection<Object[]> data() {
Creator<DatasetGraph> datasetGeneralMaker = ()-> DatasetGraphFactory.createGeneral() ;
Creator<DatasetGraph> datasetTxnMemMaker = ()-> DatasetGraphFactory.createTxnMem() ;
Creator<DatasetGraph> datasetMemMaker = ()-> DatasetGraphFactory.create() ;
return Arrays.asList(new Object[][] {
{ "General", datasetGeneralMaker },
{ "Plain", datasetMemMaker} ,
{ "TxnMem", datasetTxnMemMaker}
});
}
static enum Mode { TRIPLES, QUADS }
static String x1 = StrUtils.strjoinNL("(dataset",
" (graph (<s> <p> <x>) (<x> <p> <o>) (<x2> <p> <o1>) (<x2> <p> <o3>) (<x2> <p> <o4>))",
" (graph <g1> (<s1> <p1> <s1>) (<s1> <p1> <s2>))",
" (graph <g2> (triple <s2> <p2> <o2>) (triple <s2> <p3> <o3>))",
" (graph <g3> (triple <s2> <p2> <o2>))", // Duplicate triple
")") ;
private DatasetGraph dsg ;
public TestSpecialGraphs(String label, Creator<DatasetGraph> maker) {
this.dsg = BuilderGraph.buildDataset(maker.create(), SSE.parse(x1)) ;
}
@Test
public void union_dft_1t() {
union_dft_1(TRIPLES) ;
}
@Test
public void union_dft_1q() {
union_dft_1(QUADS) ;
}
private void union_dft_1(Mode mode) {
Op op = op("(bgp (?s ?p ?o))", mode) ;
List<Binding> results = exec(op) ;
assertEquals(5, results.size()) ;
Op op2 = Algebra.unionDefaultGraph(op) ;
List<Binding> results2 = exec(op2) ;
assertEquals(4, results2.size()) ;
}
@Test
public void graph_union_1t() {
List<Binding> results = exec("(graph <" + Quad.unionGraph.getURI() + "> (bgp (<s2> ?p ?o)))", TRIPLES) ;
assertEquals(2, results.size()) ;
}
@Test
public void graph_union_1q() {
List<Binding> results = exec("(graph <" + Quad.unionGraph.getURI() + "> (bgp (<s2> ?p ?o)))", QUADS) ;
assertEquals(2, results.size()) ;
}
@Test
public void graph_union_2t() {
List<Binding> results = exec("(graph <" + Quad.unionGraph.getURI() + "> (bgp (<s1> ?p ?o) (?o ?q ?z) ))", TRIPLES) ;
assertEquals(4, results.size()) ;
}
@Test
public void graph_union_2q() {
List<Binding> results = exec("(graph <" + Quad.unionGraph.getURI() + "> (bgp (<s1> ?p ?o) (?o ?q ?z) ))", QUADS) ;
assertEquals(4, results.size()) ;
}
@Test
public void graph_dft_1t() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphIRI.getURI() + "> (bgp (<s2> ?p ?o)))", TRIPLES) ;
assertEquals(0, results.size()) ;
}
@Test
public void graph_dft_1q() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphIRI.getURI() + "> (bgp (<s2> ?p ?o)))", QUADS) ;
assertEquals(0, results.size()) ;
}
@Test
public void graph_dft_2t() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphIRI.getURI() + "> (bgp (<s> ?p ?o)))", TRIPLES) ;
assertEquals(1, results.size()) ;
}
@Test
public void graph_dft_2q() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphIRI.getURI() + "> (bgp (<s> ?p ?o)))", QUADS) ;
assertEquals(1, results.size()) ;
}
@Test
public void graph_dft_3t() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphIRI.getURI() + "> (bgp (?x ?p ?z) (?z ?q ?y) ))", TRIPLES) ;
assertEquals(1, results.size()) ;
}
@Test
public void graph_dft_3q() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphIRI.getURI() + "> (bgp (?x ?p ?z) (?z ?q ?y) ))", QUADS) ;
assertEquals(1, results.size()) ;
}
@Test
public void graph_dftg_1t() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphNodeGenerated.getURI() + "> (bgp (<s2> ?p ?o)))", TRIPLES) ;
assertEquals(0, results.size()) ;
}
@Test
public void graph_dftg_2t() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphNodeGenerated.getURI() + "> (bgp (<x2> ?p ?o)))", TRIPLES) ;
assertEquals(3, results.size()) ;
}
@Test
public void graph_dftg_1q() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphNodeGenerated.getURI() + "> (bgp (<s2> ?p ?o)))", QUADS) ;
assertEquals(0, results.size()) ;
}
@Test
public void graph_dftg_2q() {
List<Binding> results = exec("(graph <" + Quad.defaultGraphNodeGenerated.getURI() + "> (bgp (<x2> ?p ?o)))", QUADS) ;
assertEquals(3, results.size()) ;
}
@Test
public void direct_3t() {
List<Binding> results = exec("(graph <g1> (bgp (<s1> ?p ?o)))", TRIPLES) ;
assertEquals(2, results.size()) ;
}
@Test
public void direct_3q() {
List<Binding> results = exec("(graph <g1> (bgp (<s1> ?p ?o)))", QUADS) ;
assertEquals(2, results.size()) ;
}
@Test
public void direct_4() {
List<Binding> results = exec("(graph <g1> (bgp (<s2> ?p ?o)))", TRIPLES) ;
assertEquals(0, results.size()) ;
}
@Test
public void direct_5() {
List<Binding> results = exec("(graph <g2> (bgp (<s2> ?p ?o)))", TRIPLES) ;
assertEquals(2, results.size()) ;
}
private List<Binding> exec(String string, Mode mode) {
Op op = op(string, mode) ;
return exec(op) ;
}
private List<Binding> exec(Op op) {
QueryIterator qIter = Algebra.exec(op, dsg) ;
return Iter.toList(qIter) ;
}
protected Op op(String pattern, Mode mode) {
Op op = SSE.parseOp(pattern) ;
if ( mode == Mode.QUADS )
op = Algebra.toQuadForm(op) ;
return op ;
}
}