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MergeManagerTest.java
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MergeManagerTest.java
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/**
* Copyright (C) 2020 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.environment.OWLClassA;
import cz.cvut.kbss.jopa.environment.OWLClassB;
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.sessions.change.ChangeRecordImpl;
import cz.cvut.kbss.jopa.sessions.change.ChangeSetFactory;
import cz.cvut.kbss.jopa.sessions.change.UnitOfWorkChangeSetImpl;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeAll;
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 static org.mockito.Mockito.*;
class MergeManagerTest {
private static final URI DEFAULT_URI = URI.create("http://defaultContext");
private static Descriptor defaultDescriptor;
@Mock
private UnitOfWorkImpl uow;
@Mock
private CloneBuilderImpl cloneBuilder;
@Mock
private MetamodelImpl metamodel;
private MetamodelMocks metamodelMocks;
private UnitOfWorkChangeSet uowChangeSet;
private MergeManagerImpl mm;
@BeforeAll
static void setUpBeforeClass() {
defaultDescriptor = new EntityDescriptor(DEFAULT_URI);
}
@BeforeEach
void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
this.uowChangeSet = new UnitOfWorkChangeSetImpl();
when(uow.getMetamodel()).thenReturn(metamodel);
when(uow.getCloneBuilder()).thenReturn(cloneBuilder);
this.metamodelMocks = new MetamodelMocks();
metamodelMocks.setMocks(metamodel);
this.mm = new MergeManagerImpl(uow);
}
@AfterEach
void tearDown() {
uow.release();
}
@Test
void mergeChangesOnObjectCallsCloneBuilderWithChangeSetToMerge() {
final OWLClassB orig = new OWLClassB(Generators.createIndividualIdentifier());
orig.setStringAttribute("ANiceAttribute");
final OWLClassB clone = new OWLClassB(orig.getUri());
final ObjectChangeSet chs = createChangeSet(orig, clone);
clone.setStringAttribute("AnotherStringAttribute");
chs.addChangeRecord(
new ChangeRecordImpl(metamodelMocks.forOwlClassB().stringAttribute(), clone.getStringAttribute()));
mm.mergeChangesOnObject(chs);
verify(cloneBuilder).mergeChanges(chs);
}
@Test
void testMergeChangesFromChangeSet() {
final OWLClassB objOne = new OWLClassB(Generators.createIndividualIdentifier());
final OWLClassB objTwo = new OWLClassB(Generators.createIndividualIdentifier());
OWLClassB cloneOne = new OWLClassB(objOne.getUri());
OWLClassB cloneTwo = new OWLClassB(objTwo.getUri());
cloneOne.setStringAttribute("testAtt");
uowChangeSet.addDeletedObjectChangeSet(createChangeSet(objTwo, cloneTwo));
final ObjectChangeSet changeSet = createChangeSet(objOne, cloneOne);
changeSet.addChangeRecord(
new ChangeRecordImpl(metamodelMocks.forOwlClassB().stringAttribute(), cloneOne.getStringAttribute()));
uowChangeSet.addObjectChangeSet(changeSet);
mm.mergeChangesFromChangeSet(uowChangeSet);
verify(uow).removeObjectFromCache(objTwo, DEFAULT_URI);
verify(cloneBuilder).mergeChanges(changeSet);
}
@Test
void mergeChangesFromChangeSetWithNewObjectPutsOriginalIntoCache() {
final OWLClassB objOne = new OWLClassB(Generators.createIndividualIdentifier());
objOne.setStringAttribute("ABeautifulAttribute");
final OWLClassB clone = new OWLClassB(objOne.getUri());
final ObjectChangeSet changeSet = createChangeSet(objOne, clone);
uowChangeSet.addNewObjectChangeSet(changeSet);
mm.mergeChangesFromChangeSet(uowChangeSet);
verify(uow).putObjectIntoCache(objOne.getUri(), objOne, defaultDescriptor);
}
@Test
void mergeNewObjectPutsObjectIntoCache() {
final OWLClassB newOne = new OWLClassB(Generators.createIndividualIdentifier());
final OWLClassB clone = new OWLClassB(newOne.getUri());
final ObjectChangeSet changeSet = createChangeSet(newOne, clone);
mm.mergeNewObject(changeSet);
verify(uow).putObjectIntoCache(newOne.getUri(), newOne, defaultDescriptor);
}
private static ObjectChangeSet createChangeSet(Object orig, Object clone) {
return ChangeSetFactory.createObjectChangeSet(orig, clone, defaultDescriptor);
}
@Test
void mergeChangesOnObjectPreventsCachingWhenChangeRecordPreventingCachingExists() {
final OWLClassD original = new OWLClassD(Generators.createIndividualIdentifier());
final OWLClassD clone = new OWLClassD(original.getUri());
clone.setOwlClassA(new OWLClassA(Generators.createIndividualIdentifier()));
final ObjectChangeSet changeSet = createChangeSet(original, clone);
final ChangeRecordImpl record = new ChangeRecordImpl(metamodelMocks.forOwlClassD().owlClassAAtt(), clone.getOwlClassA());
record.preventCaching();
changeSet.addChangeRecord(record);
mm.mergeChangesOnObject(changeSet);
verify(uow, never()).putObjectIntoCache(original.getUri(), original, defaultDescriptor);
verify(uow).removeObjectFromCache(original, DEFAULT_URI);
}
}