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RefreshInstanceMergerTest.java
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RefreshInstanceMergerTest.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.sessions;
import cz.cvut.kbss.jopa.adapters.IndirectCollection;
import cz.cvut.kbss.jopa.adapters.IndirectList;
import cz.cvut.kbss.jopa.adapters.IndirectSet;
import cz.cvut.kbss.jopa.environment.OWLClassA;
import cz.cvut.kbss.jopa.environment.OWLClassC;
import cz.cvut.kbss.jopa.environment.utils.Generators;
import cz.cvut.kbss.jopa.model.descriptors.EntityDescriptor;
import cz.cvut.kbss.jopa.model.metamodel.Attribute;
import cz.cvut.kbss.jopa.model.metamodel.FieldSpecification;
import cz.cvut.kbss.jopa.model.metamodel.TypesSpecification;
import cz.cvut.kbss.jopa.sessions.change.ChangeRecordImpl;
import cz.cvut.kbss.jopa.sessions.change.ChangeSetFactory;
import cz.cvut.kbss.jopa.utils.CollectionFactory;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class RefreshInstanceMergerTest {
@Mock
private UnitOfWorkImpl uowMock;
private RefreshInstanceMerger merger;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
this.merger = new RefreshInstanceMerger(new CollectionFactory(uowMock));
}
@Test
public void mergeChangesOverwritesSingularAttributeChangesWithSourceValues() throws Exception {
final OWLClassA original = Generators.generateOwlClassAInstance();
final OWLClassA clone = new OWLClassA(original.getUri());
clone.setStringAttribute("changedString");
clone.setTypes(new HashSet<>(original.getTypes()));
final ObjectChangeSet changeSet =
ChangeSetFactory.createObjectChangeSet(original, clone, new EntityDescriptor());
final FieldSpecification fieldSpec = mock(FieldSpecification.class);
when(fieldSpec.getJavaField()).thenReturn(OWLClassA.getStrAttField());
changeSet.addChangeRecord(new ChangeRecordImpl(fieldSpec, clone.getStringAttribute()));
merger.mergeChanges(changeSet);
assertEquals(original.getStringAttribute(), clone.getStringAttribute());
}
@Test
public void mergeChangesReplacesCollectionWithNewOneWithSourceValues() throws Exception {
final OWLClassA original = Generators.generateOwlClassAInstance();
original.setTypes(new IndirectSet<>(original, OWLClassA.getTypesField(), uowMock, original.getTypes()));
final OWLClassA clone = new OWLClassA(original.getUri());
clone.setTypes(new HashSet<>(original.getTypes()));
final ObjectChangeSet changeSet =
ChangeSetFactory.createObjectChangeSet(original, clone, new EntityDescriptor());
final TypesSpecification fieldSpec = mock(TypesSpecification.class);
when(fieldSpec.isCollection()).thenReturn(true);
when(fieldSpec.getJavaField()).thenReturn(OWLClassA.getTypesField());
changeSet.addChangeRecord(new ChangeRecordImpl(fieldSpec, clone.getTypes()));
merger.mergeChanges(changeSet);
assertTrue(clone.getTypes() instanceof IndirectSet);
assertEquals(original.getTypes(), clone.getTypes());
final Field ownerField = IndirectCollection.class.getDeclaredField("owner");
ownerField.setAccessible(true);
assertEquals(clone, ownerField.get(clone.getTypes()));
}
@Test
public void mergeChangesReplacesObjectPropertyCollectionWithSourceValues() throws Exception {
final OWLClassC original = new OWLClassC(Generators.createIndividualIdentifier());
final OWLClassC clone = new OWLClassC(original.getUri());
final List<OWLClassA> refList = IntStream.range(0, 5).mapToObj(i -> Generators.generateOwlClassAInstance()).collect(
Collectors.toList());
final List<OWLClassA> refListClone = new ArrayList<>(refList);
original.setReferencedList(new IndirectList<>(original, OWLClassC.getRefListField(), uowMock, refList));
clone.setReferencedList(new IndirectList<>(clone, OWLClassC.getRefListField(), uowMock, refListClone));
clone.getReferencedList().add(Generators.generateOwlClassAInstance());
final Attribute att = mock(Attribute.class);
when(att.isCollection()).thenReturn(true);
when(att.getJavaField()).thenReturn(OWLClassC.getRefListField());
final ObjectChangeSet changeSet =
ChangeSetFactory.createObjectChangeSet(original, clone, new EntityDescriptor());
changeSet.addChangeRecord(new ChangeRecordImpl(att, refListClone));
merger.mergeChanges(changeSet);
assertEquals(refList.size(), clone.getReferencedList().size());
assertTrue(clone.getReferencedList() instanceof IndirectList);
final Field ownerField = IndirectCollection.class.getDeclaredField("owner");
ownerField.setAccessible(true);
assertEquals(clone, ownerField.get(clone.getReferencedList()));
}
}