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ManagedTypeValueMergerTest.java
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ManagedTypeValueMergerTest.java
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/**
* Copyright (C) 2022 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.sessions.merge;
import cz.cvut.kbss.jopa.environment.OWLClassA;
import cz.cvut.kbss.jopa.environment.OWLClassD;
import cz.cvut.kbss.jopa.environment.utils.Generators;
import cz.cvut.kbss.jopa.environment.utils.MetamodelMocks;
import cz.cvut.kbss.jopa.model.MetamodelImpl;
import cz.cvut.kbss.jopa.model.descriptors.Descriptor;
import cz.cvut.kbss.jopa.model.descriptors.EntityDescriptor;
import cz.cvut.kbss.jopa.model.metamodel.FieldSpecification;
import cz.cvut.kbss.jopa.sessions.ChangeRecord;
import cz.cvut.kbss.jopa.sessions.UnitOfWorkImpl;
import cz.cvut.kbss.jopa.sessions.change.ChangeRecordImpl;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import org.mockito.junit.jupiter.MockitoSettings;
import org.mockito.quality.Strictness;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.isNull;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@ExtendWith(MockitoExtension.class)
@MockitoSettings(strictness = Strictness.LENIENT)
public class ManagedTypeValueMergerTest {
@Mock
private UnitOfWorkImpl uow;
@Mock
private MetamodelImpl metamodel;
private Descriptor descriptor;
private FieldSpecification<OWLClassD, OWLClassA> refASpec;
private ManagedTypeValueMerger sut;
@BeforeEach
public void setUp() throws Exception {
final MetamodelMocks mocks = new MetamodelMocks();
mocks.setMocks(metamodel);
when(uow.getMetamodel()).thenReturn(metamodel);
when(uow.isEntityType(any())).thenAnswer(invocation -> {
final Class<?> arg = (Class<?>) invocation.getArguments()[0];
return metamodel.entity(arg) != null;
});
this.refASpec = mocks.forOwlClassD().owlClassAAtt();
this.descriptor = new EntityDescriptor();
this.sut = new ManagedTypeValueMerger(uow);
}
@Test
public void mergeValueLoadsInstanceFromRepository() {
final OWLClassA orig = Generators.generateOwlClassAInstance();
final OWLClassA merged = new OWLClassA(orig);
final OWLClassD target = new OWLClassD(Generators.createIndividualIdentifier());
when(uow.readObject(OWLClassA.class, merged.getUri(), descriptor)).thenReturn(orig);
sut.mergeValue(target, new ChangeRecordImpl(refASpec, merged), descriptor);
verify(uow).readObject(OWLClassA.class, merged.getUri(), descriptor);
assertSame(orig, target.getOwlClassA());
}
@Test
public void mergeValueSetsValueDirectlyWhenItIsNull() {
final OWLClassD target = new OWLClassD(Generators.createIndividualIdentifier());
target.setOwlClassA(Generators.generateOwlClassAInstance());
sut.mergeValue(target, new ChangeRecordImpl(refASpec, null), descriptor);
assertNull(target.getOwlClassA());
}
@Test
public void mergeValueSetsTheMergedValueDirectlyWhenItRepresentsANewInstance() {
final OWLClassD target = new OWLClassD(Generators.createIndividualIdentifier());
target.setOwlClassA(Generators.generateOwlClassAInstance());
final OWLClassA merged = Generators.generateOwlClassAInstance();
sut.mergeValue(target, new ChangeRecordImpl(refASpec, merged), descriptor);
assertSame(merged, target.getOwlClassA());
}
@Test
public void mergeSetsTheMergedValueDirectlyWhenItHasNoIdentifier() {
final OWLClassD target = new OWLClassD(Generators.createIndividualIdentifier());
target.setOwlClassA(Generators.generateOwlClassAInstance());
final OWLClassA merged = Generators.generateOwlClassAInstance();
merged.setUri(null);
when(uow.readObject(any(), isNull(), any())).thenThrow(new NullPointerException());
sut.mergeValue(target, new ChangeRecordImpl(refASpec, merged), descriptor);
assertSame(merged, target.getOwlClassA());
}
@Test
void mergeReplacesNewValueInChangeRecordWhenItIsReadFromUoW() {
final OWLClassA orig = Generators.generateOwlClassAInstance();
final OWLClassA merged = Generators.generateOwlClassAInstance();
final OWLClassA loaded = new OWLClassA(merged);
final OWLClassD target = new OWLClassD(Generators.createIndividualIdentifier());
target.setOwlClassA(orig);
when(uow.readObject(OWLClassA.class, merged.getUri(), descriptor)).thenReturn(loaded);
final ChangeRecord changeRecord = new ChangeRecordImpl(refASpec, merged);
sut.mergeValue(target, changeRecord, descriptor);
assertEquals(loaded, target.getOwlClassA());
assertEquals(loaded, changeRecord.getNewValue());
}
}