/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Nov 19, 2011
*/
package com.bigdata.rdf.sparql.ast.eval;
import com.bigdata.bop.BOp;
import com.bigdata.bop.IPredicate;
import com.bigdata.bop.PipelineOp;
import com.bigdata.bop.ap.filter.BOpResolver;
import com.bigdata.bop.join.AccessPathJoinAnnotations;
import com.bigdata.bop.rdf.filter.NativeDistinctFilter;
import com.bigdata.rdf.sparql.ast.ASTContainer;
import com.bigdata.rdf.spo.SPOPredicate;
/**
* Unit tests for default graph semantics ported from the old
* TestDefaultGraphAccessPath class. The data set for these tests is:
*
* <pre>
* :c1 {
* :john :loves :mary .
* }
* :c2 {
* :mary :loves :paul .
* }
* :c4 {
* :paul :loves :sam .
* }
* </pre>
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
public class TestDefaultGraphs extends AbstractDataDrivenSPARQLTestCase {
/**
*
*/
public TestDefaultGraphs() {
}
/**
* @param name
*/
public TestDefaultGraphs(String name) {
super(name);
}
/**
* No graphs in the defaultGraphs set (none of the specified graphs in the
* default graph exist in the database).
*
* <pre>
* SELECT ?s ?p ?o
* FROM :c0
* WHERE {
* ?s ?p ?o
* }
* </pre>
*/
public void test_defaultGraphs_01a() throws Exception {
if(!store.isQuads())
return;
new TestHelper(
"default-graphs-01a",// testURI
"default-graphs-01a.rq", // queryURI
"default-graphs-01.trig", // dataURI
"default-graphs-01a.srx" // resultURI
).runTest();
}
/**
* One graph in the defaultGraphs set.
* <p>
* Note: This case gets handled specially.
*/
public void test_defaultGraphs_01b() throws Exception {
if(!store.isQuads())
return;
new TestHelper(
"default-graphs-01b",// testURI
"default-graphs-01b.rq", // queryURI
"default-graphs-01.trig", // dataURI
"default-graphs-01b.srx" // resultURI
).runTest();
}
/**
* Two graphs in the defaultGraphs set.
*/
public void test_defaultGraphs_01c() throws Exception {
if(!store.isQuads())
return;
new TestHelper(
"default-graphs-01c",// testURI
"default-graphs-01c.rq", // queryURI
"default-graphs-01.trig", // dataURI
"default-graphs-01c.srx" // resultURI
).runTest();
}
/**
* Two graphs in the defaultGraphs set, but the query uses a more restricted
* bindings (john is bound as the subject).
*/
public void test_defaultGraphs_01d() throws Exception {
if(!store.isQuads())
return;
new TestHelper(
"default-graphs-01d",// testURI
"default-graphs-01d.rq", // queryURI
"default-graphs-01.trig", // dataURI
"default-graphs-01d.srx" // resultURI
).runTest();
}
/**
* Two graphs in the defaultGraphs set, but the query uses a more restricted
* bindings (mary is bound as the subject).
*/
public void test_defaultGraphs_01e() throws Exception {
if(!store.isQuads())
return;
new TestHelper(
"default-graphs-01e",// testURI
"default-graphs-01e.rq", // queryURI
"default-graphs-01.trig", // dataURI
"default-graphs-01e.srx" // resultURI
).runTest();
}
/**
* Two graphs in the defaultGraphs set, but the query uses a more restricted
* bindings (mary is bound as the object).
*/
public void test_defaultGraphs_01f() throws Exception {
if(!store.isQuads())
return;
new TestHelper(
"default-graphs-01f",// testURI
"default-graphs-01f.rq", // queryURI
"default-graphs-01.trig", // dataURI
"default-graphs-01f.srx" // resultURI
).runTest();
}
/**
* Query with more restricted bindings (john is bound as the subject and
* paul is bound as the object, so there are no solutions).
*/
public void test_defaultGraphs_01g() throws Exception {
if(!store.isQuads())
return;
new TestHelper(
"default-graphs-01g",// testURI
"default-graphs-01g.rq", // queryURI
"default-graphs-01.trig", // dataURI
"default-graphs-01g.srx" // resultURI
).runTest();
}
/**
* Default graph is null (that is, it is not specified at the SPARQL level
* or at the protocol level and therefore defaults to addressing ALL graphs
* in the kb instance).
* <p>
* Note: This case gets handled specially.
*/
public void test_defaultGraphs_01h() throws Exception {
if(!store.isQuads())
return;
new TestHelper(
"default-graphs-01h",// testURI
"default-graphs-01h.rq", // queryURI
"default-graphs-01.trig", // dataURI
"default-graphs-01h.srx" // resultURI
).runTest();
}
/**
* Default graph is null (that is, it is not specified at the SPARQL level
* or at the protocol level and therefore defaults to addressing ALL graphs
* in the kb instance). In addition, we have a query hint disabling the
* default graph access filter.
*
* Given that there are no duplicate triples (i.e., no triple resides in
* more than one named graph), this query still gives us the correct result.
* We also check that there is no distinct filter in the query plan.
*/
public void test_defaultGraphs_01i() throws Exception {
if(!store.isQuads())
return;
final ASTContainer astContainer = new TestHelper(
"default-graphs-01i",// testURI
"default-graphs-01i.rq", // queryURI
"default-graphs-01.trig", // dataURI
"default-graphs-01i.srx" // resultURI
).runTest();
final PipelineOp queryPlan = astContainer.getQueryPlan();
final BOp pipelineJoin = queryPlan.get(0).get(0); // first is chunked materialization op
final SPOPredicate spoPred = (SPOPredicate)pipelineJoin.annotations().get(AccessPathJoinAnnotations.PREDICATE);
final Object filter = spoPred.annotations().get(IPredicate.Annotations.ACCESS_PATH_FILTER);
// distinct filter disabled via query hint
assertFalse(filter instanceof NativeDistinctFilter);
}
/**
* We add another, duplicate triple to the dataset, namely:
* :c5 { :paul :loves :sam . } (which already occurs in :c4) and submit a
* simple query extracting all triples (without query hint). This test
* ensures that, in the standard configuration, the distinct filter is
* applied and our result contains the triple only once.
* We also check that there is a distinct filter in the query plan.
*/
public void test_defaultGraphs_01j() throws Exception {
if(!store.isQuads())
return;
final ASTContainer astContainer = new TestHelper(
"default-graphs-01j",// testURI
"default-graphs-01j.rq", // queryURI
"default-graphs-01jk.trig", // dataURI
"default-graphs-01j.srx" // resultURI
).runTest();
final PipelineOp queryPlan = astContainer.getQueryPlan();
final BOp pipelineJoin = queryPlan.get(0).get(0); // first is chunked materialization op
final SPOPredicate spoPred = (SPOPredicate)pipelineJoin.annotations().get(AccessPathJoinAnnotations.PREDICATE);
final Object filter = spoPred.annotations().get(IPredicate.Annotations.ACCESS_PATH_FILTER);
// distinct filter must be enabled by default
assertTrue(filter.toString().contains("DistinctFilter()"));
}
/**
* We add another, duplicate triple to the dataset, namely:
* :c5 { :paul :loves :sam . } (which already occurs in :c4) and submit a
* simple query extracting all triples with query hint disabling the default
* path access filter. Consequently, we get the wrong result, with the triple
* above being contained twice in the result.
*/
public void test_defaultGraphs_01k() throws Exception {
if(!store.isQuads())
return;
final ASTContainer astContainer = new TestHelper(
"default-graphs-01k",// testURI
"default-graphs-01k.rq", // queryURI
"default-graphs-01jk.trig", // dataURI
"default-graphs-01k.srx" // resultURI
).runTest();
final PipelineOp queryPlan = astContainer.getQueryPlan();
final BOp pipelineJoin = queryPlan.get(0).get(0); // first is chunked materialization op
final SPOPredicate spoPred = (SPOPredicate)pipelineJoin.annotations().get(AccessPathJoinAnnotations.PREDICATE);
final Object filter = spoPred.annotations().get(IPredicate.Annotations.ACCESS_PATH_FILTER);
// distinct filter disabled via query hint
assertFalse(filter instanceof NativeDistinctFilter);
}
}