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CacheTest.java
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CacheTest.java
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/**
* Copyright (C) 2019 Czech Technical University in Prague
*
* 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, either version 3 of the License, or (at your option) any
* later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jopa.test.integration;
import cz.cvut.kbss.jopa.adapters.IndirectSet;
import cz.cvut.kbss.jopa.model.EntityManager;
import cz.cvut.kbss.jopa.model.descriptors.EntityDescriptor;
import cz.cvut.kbss.jopa.sessions.CacheManager;
import cz.cvut.kbss.jopa.test.OWLClassA;
import cz.cvut.kbss.jopa.test.OWLClassF;
import cz.cvut.kbss.jopa.test.Vocabulary;
import cz.cvut.kbss.jopa.test.environment.Generators;
import cz.cvut.kbss.ontodriver.ResultSet;
import cz.cvut.kbss.ontodriver.Statement;
import cz.cvut.kbss.ontodriver.descriptor.AxiomDescriptor;
import cz.cvut.kbss.ontodriver.iteration.ResultRow;
import cz.cvut.kbss.ontodriver.iteration.ResultSetIterator;
import cz.cvut.kbss.ontodriver.model.*;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
class CacheTest extends IntegrationTestBase {
@Mock
private Statement statementMock;
@Mock
private ResultSet resultSetMock;
@Mock
private ResultRow resultRowMock;
@Mock
private ResultSetIterator resultSetIteratorMock;
@BeforeEach
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
super.setUp();
when(connectionMock.createStatement()).thenReturn(statementMock);
when(resultSetMock.iterator()).thenReturn(resultSetIteratorMock);
when(resultSetIteratorMock.next()).thenReturn(resultRowMock);
}
@Test
void queryResultIsLoadedFromCacheWhenItIsAlreadyCached() throws Exception {
final URI instanceUri = Generators.generateUri();
final String query = "SELECT ?x WHERE { ?x a <" + Vocabulary.C_OWL_CLASS_A + "> . }";
when(statementMock.executeQuery(query)).thenReturn(resultSetMock);
when(resultSetIteratorMock.hasNext()).thenReturn(true).thenReturn(false);
when(resultRowMock.isBound(0)).thenReturn(true);
when(resultRowMock.getString(0)).thenReturn(instanceUri.toString());
when(connectionMock.find(any())).thenReturn(axiomsForA(instanceUri));
final OWLClassA firstA = em.find(OWLClassA.class, instanceUri);
assertNotNull(firstA);
final EntityManager emTwo = emf.createEntityManager();
try {
final OWLClassA secondA = emTwo.createNativeQuery(query, OWLClassA.class).getSingleResult();
assertNotNull(secondA);
} finally {
emTwo.close();
}
verify(connectionMock).find(any(AxiomDescriptor.class));
}
private Collection<Axiom<?>> axiomsForA(URI identifier) {
final Collection<Axiom<?>> axioms = new ArrayList<>();
final NamedResource nr = NamedResource.create(identifier);
axioms.add(new AxiomImpl<>(nr, Assertion.createClassAssertion(false),
new Value<>(NamedResource.create(Vocabulary.C_OWL_CLASS_A))));
axioms.add(new AxiomImpl<>(nr,
Assertion.createDataPropertyAssertion(URI.create(Vocabulary.P_A_STRING_ATTRIBUTE), false),
new Value<>("stringAttribute")));
return axioms;
}
@Test
void loadedInstanceAddedToCacheDoesNotContainIndirectCollection() throws Exception {
final URI id = Generators.generateUri();
final Collection<Axiom<?>> axioms = axiomsForA(id);
axioms.add(new AxiomImpl<>(NamedResource.create(id), Assertion.createClassAssertion(false),
new Value<>(NamedResource.create(Vocabulary.C_OWL_CLASS_Q))));
when(connectionMock.find(any())).thenReturn(axioms);
final OWLClassA a = em.find(OWLClassA.class, id);
assertNotNull(a);
final CacheManager cacheManager = (CacheManager) em.getEntityManagerFactory().getCache();
final OWLClassA result = cacheManager.get(OWLClassA.class, id, new EntityDescriptor());
assertNotNull(result);
assertNotNull(result.getTypes());
assertFalse(result.getTypes() instanceof IndirectSet);
}
@Test
void transactionCommitEvictsClassesWithInferenceFromCache() throws Exception {
final URI uri = Generators.generateUri();
final Collection<Axiom<?>> axioms = Collections.singleton(
new AxiomImpl<>(NamedResource.create(uri), Assertion.createClassAssertion(false),
new Value<>(NamedResource.create(Vocabulary.C_OWL_CLASS_F))));
when(connectionMock.find(any())).thenReturn(axioms);
final EntityDescriptor descriptor = new EntityDescriptor();
em.getTransaction().begin();
final OWLClassF entityF = em.find(OWLClassF.class, uri);
assertTrue(emf.getCache().contains(OWLClassF.class, entityF.getUri(), descriptor));
final OWLClassA newA = new OWLClassA(Generators.generateUri());
entityF.setSimpleSet(Collections.singleton(newA));
em.persist(newA);
em.getTransaction().commit();
assertFalse(emf.getCache().contains(OWLClassF.class, entityF.getUri(), descriptor));
}
}