1 files changed, 184 insertions, 0 deletions

diff --git a/test/uk/ac/ox/cs/pagoda/global_tests/BugTests.java b/test/uk/ac/ox/cs/pagoda/global_tests/BugTests.java
new file mode 100644
index 0000000..19e0b2a
--- /dev/null
+++ b/test/uk/ac/ox/cs/pagoda/global_tests/BugTests.java
@@ -0,0 +1,184 @@
+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;
+
+public class BugTests {
+
+    public static final String NS = "http://example.org/test#%s";
+
+    private IRI getEntityIRI(String name) {
+        return IRI.create(String.format(NS, name));
+    }
+
+    @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(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(NS, "R")));
+        manager.addAxiom(ontology, factory.getOWLDeclarationAxiom(roleR));
+        OWLObjectProperty roleP = factory.getOWLObjectProperty(IRI.create(String.format(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();
+    }
+}