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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.reasoning.translator.metamodel;
import org.junit.jupiter.api.Test;
import tools.refinery.store.model.Model;
import tools.refinery.store.model.ModelStore;
import tools.refinery.store.query.viatra.ViatraModelQueryAdapter;
import tools.refinery.store.reasoning.ReasoningAdapter;
import tools.refinery.store.reasoning.ReasoningStoreAdapter;
import tools.refinery.store.reasoning.literal.Concreteness;
import tools.refinery.store.reasoning.representation.PartialRelation;
import tools.refinery.store.reasoning.seed.ModelSeed;
import tools.refinery.store.reasoning.translator.containment.ContainmentHierarchyTranslator;
import tools.refinery.store.reasoning.translator.multiobject.MultiObjectTranslator;
import tools.refinery.store.reasoning.translator.multiplicity.ConstrainedMultiplicity;
import tools.refinery.store.representation.TruthValue;
import tools.refinery.store.representation.cardinality.CardinalityIntervals;
import tools.refinery.store.tuple.Tuple;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
class MetamodelTest {
private final PartialRelation person = new PartialRelation("Person", 1);
private final PartialRelation student = new PartialRelation("Student", 1);
private final PartialRelation teacher = new PartialRelation("Teacher", 1);
private final PartialRelation university = new PartialRelation("University", 1);
private final PartialRelation course = new PartialRelation("Course", 1);
private final PartialRelation courses = new PartialRelation("courses", 2);
private final PartialRelation location = new PartialRelation("location", 2);
private final PartialRelation lecturer = new PartialRelation("lecturer", 2);
private final PartialRelation invalidLecturerCount = new PartialRelation("invalidLecturerCount", 1);
private final PartialRelation enrolledStudents = new PartialRelation("enrolledStudents", 2);
private final PartialRelation invalidStudentCount = new PartialRelation("invalidStudentCount", 1);
@Test
void metamodelTest() {
var metamodel = Metamodel.builder()
.type(person, true)
.type(student, person)
.type(teacher, person)
.type(university)
.type(course)
.reference(courses, university, true, course, location)
.reference(location, course, university, courses)
.reference(lecturer, course,
ConstrainedMultiplicity.of(CardinalityIntervals.ONE, invalidLecturerCount), teacher)
.reference(enrolledStudents, course,
ConstrainedMultiplicity.of(CardinalityIntervals.SOME, invalidStudentCount), student)
.build();
var seed = ModelSeed.builder(5)
.seed(MultiObjectTranslator.COUNT_SYMBOL, builder -> builder
.reducedValue(CardinalityIntervals.ONE)
.put(Tuple.of(1), CardinalityIntervals.SET)
.put(Tuple.of(4), CardinalityIntervals.SET))
.seed(ContainmentHierarchyTranslator.CONTAINED_SYMBOL, builder -> builder
.reducedValue(TruthValue.UNKNOWN))
.seed(ContainmentHierarchyTranslator.CONTAINS_SYMBOL, builder -> builder
.reducedValue(TruthValue.UNKNOWN))
.seed(person, builder -> builder.reducedValue(TruthValue.UNKNOWN))
.seed(student, builder -> builder.reducedValue(TruthValue.UNKNOWN))
.seed(teacher, builder -> builder.reducedValue(TruthValue.UNKNOWN))
.seed(university, builder -> builder
.reducedValue(TruthValue.UNKNOWN)
.put(Tuple.of(0), TruthValue.TRUE))
.seed(course, builder -> builder
.reducedValue(TruthValue.UNKNOWN)
.put(Tuple.of(2), TruthValue.TRUE))
.seed(courses, builder -> builder.reducedValue(TruthValue.UNKNOWN))
.seed(location, builder -> builder
.reducedValue(TruthValue.UNKNOWN)
.put(Tuple.of(1, 0), TruthValue.TRUE))
.seed(lecturer, builder -> builder
.reducedValue(TruthValue.FALSE)
.put(Tuple.of(1, 3), TruthValue.TRUE))
.seed(enrolledStudents, builder -> builder.reducedValue(TruthValue.UNKNOWN))
.build();
var model = createModel(metamodel, seed);
var reasoningAdapter = model.getAdapter(ReasoningAdapter.class);
var coursesInterpretation = reasoningAdapter.getPartialInterpretation(Concreteness.PARTIAL, courses);
assertThat(coursesInterpretation.get(Tuple.of(0, 1)), is(TruthValue.TRUE));
assertThat(coursesInterpretation.get(Tuple.of(0, 2)), is(TruthValue.UNKNOWN));
assertThat(coursesInterpretation.get(Tuple.of(0, 3)), is(TruthValue.FALSE));
var invalidLecturerCountInterpretation = reasoningAdapter.getPartialInterpretation(Concreteness.PARTIAL,
invalidLecturerCount);
assertThat(invalidLecturerCountInterpretation.get(Tuple.of(1)), is(TruthValue.FALSE));
assertThat(invalidLecturerCountInterpretation.get(Tuple.of(2)), is(TruthValue.ERROR));
var enrolledStudentsInterpretation = reasoningAdapter.getPartialInterpretation(Concreteness.PARTIAL,
enrolledStudents);
assertThat(enrolledStudentsInterpretation.get(Tuple.of(1, 3)), is(TruthValue.FALSE));
assertThat(enrolledStudentsInterpretation.get(Tuple.of(1, 4)), is(TruthValue.UNKNOWN));
}
@Test
void simpleContainmentTest() {
var metamodel = Metamodel.builder()
.type(university)
.type(course)
.reference(courses, university, true, course)
.build();
var seed = ModelSeed.builder(4)
.seed(MultiObjectTranslator.COUNT_SYMBOL, builder -> builder
.reducedValue(CardinalityIntervals.ONE)
.put(Tuple.of(0), CardinalityIntervals.SET)
.put(Tuple.of(1), CardinalityIntervals.SET))
.seed(ContainmentHierarchyTranslator.CONTAINED_SYMBOL, builder -> builder
.reducedValue(TruthValue.UNKNOWN))
.seed(ContainmentHierarchyTranslator.CONTAINS_SYMBOL, builder -> builder
.reducedValue(TruthValue.UNKNOWN))
.seed(university, builder -> builder
.reducedValue(TruthValue.UNKNOWN)
.put(Tuple.of(0), TruthValue.TRUE))
.seed(course, builder -> builder
.reducedValue(TruthValue.UNKNOWN)
.put(Tuple.of(1), TruthValue.TRUE))
.seed(courses, builder -> builder
.reducedValue(TruthValue.UNKNOWN)
.put(Tuple.of(2, 3), TruthValue.TRUE))
.build();
var model = createModel(metamodel, seed);
var coursesInterpretation = model.getAdapter(ReasoningAdapter.class)
.getPartialInterpretation(Concreteness.PARTIAL, courses);
assertThat(coursesInterpretation.get(Tuple.of(0, 1)), is(TruthValue.UNKNOWN));
assertThat(coursesInterpretation.get(Tuple.of(0, 3)), is(TruthValue.FALSE));
assertThat(coursesInterpretation.get(Tuple.of(2, 1)), is(TruthValue.UNKNOWN));
assertThat(coursesInterpretation.get(Tuple.of(2, 3)), is(TruthValue.TRUE));
}
private static Model createModel(Metamodel metamodel, ModelSeed seed) {
var store = ModelStore.builder()
.with(ViatraModelQueryAdapter.builder())
.with(ReasoningAdapter.builder())
.with(new MultiObjectTranslator())
.with(new MetamodelTranslator(metamodel))
.build();
return store.getAdapter(ReasoningStoreAdapter.class).createInitialModel(seed);
}
}
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