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BugTest.java
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BugTest.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
* <p>
* 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.
* <p>
* 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.CommonVocabulary;
import cz.cvut.kbss.jopa.model.annotations.OWLClass;
import cz.cvut.kbss.jopa.test.OWLClassA;
import cz.cvut.kbss.jopa.test.OWLClassD;
import cz.cvut.kbss.jopa.test.OWLClassR;
import cz.cvut.kbss.jopa.test.Vocabulary;
import cz.cvut.kbss.jopa.test.environment.Generators;
import cz.cvut.kbss.ontodriver.descriptor.AxiomDescriptor;
import cz.cvut.kbss.ontodriver.exception.OntoDriverException;
import cz.cvut.kbss.ontodriver.model.*;
import org.junit.Ignore;
import org.junit.Test;
import java.net.URI;
import java.util.Arrays;
import java.util.Collection;
import static org.junit.Assert.*;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.when;
/**
* Test for discovered bugs and their fixes.
*/
public class BugTest extends IntegrationTestBase {
/* Bug: using an attribute in hashCode/equals caused an infinite loop, because the BeanListenerAspect tried
to check whether it was necessary to load the field, which caused instance lookup to use hashCode again
*/
@Test
public void hashCodeWithAttributeDoesNotCauseInfiniteLoop() throws Exception {
final URI uri = Generators.generateUri();
final String name = "Instance1";
when(connectionMock.find(any(AxiomDescriptor.class))).thenReturn(initAxiomsForR(uri, name));
final OWLClassR r = em.find(OWLClassR.class, uri);
assertNotEquals(0, r.hashCode());
}
private Collection<Axiom<?>> initAxiomsForR(URI uri, String name) {
final NamedResource nr = NamedResource.create(uri);
final String typeIri = OWLClassR.class.getDeclaredAnnotation(OWLClass.class).iri();
return Arrays.asList(new AxiomImpl<>(nr, Assertion.createClassAssertion(false),
new Value<>(NamedResource.create(typeIri))),
new AxiomImpl<>(nr,
Assertion.createAnnotationPropertyAssertion(URI.create(CommonVocabulary.RDFS_LABEL), false),
new Value<>(name)));
}
/**
* Bug #2.
*/
@Test
public void mergeDoesNotOverwriteCacheWithNonMergeInstance() throws OntoDriverException {
final OWLClassD d = new OWLClassD(Generators.generateUri());
final OWLClassA a = new OWLClassA(Generators.generateUri());
d.setOwlClassA(a);
final String str = "StringValue";
a.setStringAttribute(str);
em.getTransaction().begin();
em.persist(d);
em.persist(a);
em.getTransaction().commit();
em.clear();
when(connectionMock.contains(
new AxiomImpl<>(NamedResource.create(d.getUri()), Assertion.createClassAssertion(false),
new Value<>(NamedResource.create(Vocabulary.C_OWL_CLASS_D))), null)).thenReturn(true);
when(connectionMock.contains(
new AxiomImpl<>(NamedResource.create(a.getUri()), Assertion.createClassAssertion(false),
new Value<>(NamedResource.create(Vocabulary.C_OWL_CLASS_A))), null)).thenReturn(true);
a.setStringAttribute(null);
em.getTransaction().begin();
em.merge(d);
em.getTransaction().commit();
final OWLClassA result = em.find(OWLClassA.class, a.getUri());
assertNotNull(result);
assertEquals(str, result.getStringAttribute());
}
}