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package uk.ac.ox.cs.pagoda.global_tests;
import org.semanticweb.owlapi.apibinding.OWLManager;
import org.semanticweb.owlapi.model.*;
import org.testng.Assert;
import org.testng.annotations.Test;
import uk.ac.ox.cs.pagoda.query.AnswerTuple;
import uk.ac.ox.cs.pagoda.query.AnswerTuples;
import uk.ac.ox.cs.pagoda.query.QueryRecord;
import uk.ac.ox.cs.pagoda.reasoner.QueryReasoner;
import uk.ac.ox.cs.pagoda.util.TestUtil;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import static uk.ac.ox.cs.pagoda.util.TestUtil.getEntityIRI;
public class BugTests {
@Test
public void minimumCardinalityAxiom2() throws OWLOntologyCreationException, IOException, OWLOntologyStorageException {
/*
* Build test ontology
* */
OWLOntologyManager manager = OWLManager.createOWLOntologyManager();
OWLDataFactory factory = manager.getOWLDataFactory();
OWLOntology ontology = manager.createOntology();
// OWLClass student = factory.getOWLClass(getEntityIRI("Student"));
// manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(student));
// OWLClass course = factory.getOWLClass(getEntityIRI("Course"));
// manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(course));
OWLClass hardWorkingStudent = factory.getOWLClass(getEntityIRI("HardWorkingStudent"));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(hardWorkingStudent));
OWLNamedIndividual a = factory.getOWLNamedIndividual(getEntityIRI("a"));
OWLNamedIndividual b = factory.getOWLNamedIndividual(getEntityIRI("b"));
OWLObjectProperty takesCourse = factory.getOWLObjectProperty(IRI.create(String.format(TestUtil.NS, "takesCourse")));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(takesCourse));
// Class assertions
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(hardWorkingStudent, a)); // HardWorkingStudent(a)
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(hardWorkingStudent, b)); // HardWorkingStudent(b)
// Minimum cardinality axiom
manager.addAxiom(ontology,
factory.getOWLEquivalentClassesAxiom(hardWorkingStudent,
factory.getOWLObjectMinCardinality(3,
takesCourse)));
// manager.saveOntology(ontology, Files.newOutputStream(Paths.get("/home/alessandro/Desktop/test-ontology.owl")));
/*
* Test one query
* */
QueryReasoner pagoda = QueryReasoner.getInstance(ontology);
pagoda.loadOntology(ontology);
if (pagoda.preprocess()) {
String query = "select distinct ?x ?y " +
" where { "
+ " ?x <" + takesCourse.toStringID() + "> _:z . "
+ " ?y <" + takesCourse.toStringID() + "> _:z " +
" }";
AnswerTuples answers = pagoda.evaluate(query);
int count = 0;
for (AnswerTuple ans; answers.isValid(); answers.moveNext()) {
ans = answers.getTuple();
TestUtil.logInfo(ans);
count++;
}
Assert.assertEquals(count, 2);
}
pagoda.dispose();
}
// @Test
public void minimumCardinalityAxiom() throws OWLOntologyCreationException, IOException, OWLOntologyStorageException {
/*
* Build test ontology
* */
OWLOntologyManager manager = OWLManager.createOWLOntologyManager();
OWLDataFactory factory = manager.getOWLDataFactory();
OWLOntology ontology = manager.createOntology();
OWLClass student = factory.getOWLClass(getEntityIRI("Student"));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(student));
OWLClass course = factory.getOWLClass(getEntityIRI("Course"));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(course));
OWLClass hardWorkingStudent = factory.getOWLClass(getEntityIRI("HardWorkingStudent"));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(hardWorkingStudent));
OWLNamedIndividual a = factory.getOWLNamedIndividual(getEntityIRI("a"));
OWLNamedIndividual b = factory.getOWLNamedIndividual(getEntityIRI("b"));
OWLNamedIndividual c1 = factory.getOWLNamedIndividual(getEntityIRI("c1"));
OWLNamedIndividual c2 = factory.getOWLNamedIndividual(getEntityIRI("c2"));
OWLNamedIndividual c3 = factory.getOWLNamedIndividual(getEntityIRI("c3"));
OWLNamedIndividual d1 = factory.getOWLNamedIndividual(getEntityIRI("d1"));
OWLNamedIndividual d2 = factory.getOWLNamedIndividual(getEntityIRI("d2"));
OWLNamedIndividual d3 = factory.getOWLNamedIndividual(getEntityIRI("d3"));
OWLObjectProperty takesCourse = factory.getOWLObjectProperty(IRI.create(String.format(TestUtil.NS, "takesCourse")));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(takesCourse));
// Class assertions
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(student, a)); // Student(a)
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(student, b)); // Student(b)
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(course, c1)); // Course(c1)
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(course, c2)); // Course(c2)
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(course, c3)); // Course(c3)
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(course, d1)); // Course(d1)
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(course, d2)); // Course(d2)
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(course, d3)); // Course(d3)
// Role assertions
manager.addAxiom(ontology, factory.getOWLObjectPropertyAssertionAxiom(takesCourse, a, c1)); // takesCourse(a,c1)
manager.addAxiom(ontology, factory.getOWLObjectPropertyAssertionAxiom(takesCourse, a, c2)); // takesCourse(a,c2)
manager.addAxiom(ontology, factory.getOWLObjectPropertyAssertionAxiom(takesCourse, a, c3)); // takesCourse(a,c3)
manager.addAxiom(ontology, factory.getOWLObjectPropertyAssertionAxiom(takesCourse, b, d1)); // takesCourse(b,d1)
manager.addAxiom(ontology, factory.getOWLObjectPropertyAssertionAxiom(takesCourse, b, d2)); // takesCourse(b,d2)
manager.addAxiom(ontology, factory.getOWLObjectPropertyAssertionAxiom(takesCourse, b, d3)); // takesCourse(b,d3)
// Minimum cardinality axiom
manager.addAxiom(ontology,
factory.getOWLEquivalentClassesAxiom(hardWorkingStudent,
factory.getOWLObjectMinCardinality(3,
takesCourse)));
manager.saveOntology(ontology, Files.newOutputStream(Paths.get("/home/alessandro/Desktop/test-ontology.owl")));
/*
* Test one query
* */
QueryReasoner pagoda = QueryReasoner.getInstance(ontology);
pagoda.loadOntology(ontology);
if (pagoda.preprocess()) {
String query = "select distinct ?x ?y " +
" where { "
+ " ?x <" + takesCourse.toStringID() + "> _:z . "
+ " ?y <" + takesCourse.toStringID() + "> _:z " +
" }";
AnswerTuples answers = pagoda.evaluate(query);
int count = 0;
for (AnswerTuple ans; answers.isValid(); answers.moveNext()) {
ans = answers.getTuple();
TestUtil.logInfo(ans);
count++;
}
Assert.assertEquals(count, 2);
}
pagoda.dispose();
}
/**
* Bug: the relevant ontology is not a subset of the original one.
*
* @throws OWLOntologyCreationException
* @throws IOException
* @throws OWLOntologyStorageException
*/
// @Test
public void rTest() throws OWLOntologyCreationException, IOException, OWLOntologyStorageException {
/*
* Build test ontology
* */
OWLOntologyManager manager = OWLManager.createOWLOntologyManager();
OWLDataFactory factory = manager.getOWLDataFactory();
OWLOntology ontology = manager.createOntology();
OWLClass classA = factory.getOWLClass(getEntityIRI("A"));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(classA));
OWLClass classB = factory.getOWLClass(getEntityIRI("B"));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(classB));
OWLNamedIndividual a = factory.getOWLNamedIndividual(getEntityIRI("a"));
OWLNamedIndividual b = factory.getOWLNamedIndividual(getEntityIRI("b"));
OWLNamedIndividual c = factory.getOWLNamedIndividual(getEntityIRI("c"));
OWLObjectProperty roleR = factory.getOWLObjectProperty(IRI.create(String.format(TestUtil.NS, "R")));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(roleR));
OWLObjectProperty roleP = factory.getOWLObjectProperty(IRI.create(String.format(TestUtil.NS, "P")));
manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(roleP));
// Class assertions
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(classA, a)); // A(a)
manager.addAxiom(ontology, factory.getOWLClassAssertionAxiom(classA, b)); // A(b)
manager.addAxiom(ontology, factory.getOWLObjectPropertyAssertionAxiom(roleP, c, a)); // P(c,a)
// Axioms
// subsetOf(A someValuesFrom(R owl:Thing))
manager.addAxiom(ontology,
factory.getOWLSubClassOfAxiom(classA,
factory.getOWLObjectSomeValuesFrom(roleR,
factory.getOWLThing())));
// inverseFunctional(R)
manager.addAxiom(ontology,
factory.getOWLInverseFunctionalObjectPropertyAxiom(roleR));
// subsetOf(someValuesFrom(inverseOf(P) owl:thing) B)
manager.addAxiom(ontology,
factory.getOWLSubClassOfAxiom(factory.getOWLObjectSomeValuesFrom(roleP.getInverseProperty(),
factory.getOWLThing()),
classB));
/*
* Save the ontology
* */
// manager.saveOntology(ontology, Files.newOutputStream(Paths.get("/home/alessandro/Desktop/test-ontology.owl")));
/*
* Test one query
* */
QueryReasoner pagoda = QueryReasoner.getInstance(ontology);
pagoda.loadOntology(ontology);
if(pagoda.preprocess()) {
String queryStr = "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> " +
"select distinct ?x" +
" where { "
+ " ?x rdf:type " + classB +
" }";
QueryRecord queryRecord = pagoda.getQueryManager().create(queryStr);
System.out.println(queryRecord);
pagoda.evaluate(queryRecord);
AnswerTuples answers = queryRecord.getAnswers();
System.out.println("Difficulty: " + queryRecord.getDifficulty());
for(AnswerTuple ans; answers.isValid(); answers.moveNext()) {
ans = answers.getTuple();
TestUtil.logInfo(ans);
}
}
pagoda.dispose();
}
}
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