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UnitOfWorkTest.java
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UnitOfWorkTest.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.sessions;
import cz.cvut.kbss.jopa.adapters.IndirectMap;
import cz.cvut.kbss.jopa.adapters.IndirectSet;
import cz.cvut.kbss.jopa.environment.*;
import cz.cvut.kbss.jopa.environment.utils.Generators;
import cz.cvut.kbss.jopa.environment.utils.MetamodelMocks;
import cz.cvut.kbss.jopa.exceptions.CardinalityConstraintViolatedException;
import cz.cvut.kbss.jopa.exceptions.OWLPersistenceException;
import cz.cvut.kbss.jopa.model.EntityManagerImpl;
import cz.cvut.kbss.jopa.model.EntityManagerImpl.State;
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.transactions.EntityTransaction;
import cz.cvut.kbss.ontodriver.exception.PrimaryKeyNotSetException;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.lang.reflect.Field;
import java.net.URI;
import java.util.*;
import java.util.stream.Collectors;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
public class UnitOfWorkTest {
private static final URI CONTEXT_URI = URI.create("http://testContext");
private Descriptor descriptor;
private OWLClassA entityA;
private OWLClassB entityB;
private OWLClassD entityD;
private OWLClassL entityL;
@Mock
private MetamodelImpl metamodelMock;
@Mock
private CacheManager cacheManagerMock;
@Mock
private ConnectionWrapper storageMock;
@Mock
private EntityManagerImpl emMock;
@Mock
private EntityTransaction transactionMock;
private ServerSessionStub serverSessionStub;
private CloneBuilder cloneBuilder;
private UnitOfWorkImpl uow;
@BeforeClass
public static void setUpBeforeClass() {
}
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
this.descriptor = new EntityDescriptor(CONTEXT_URI);
this.serverSessionStub = spy(new ServerSessionStub(storageMock));
when(serverSessionStub.getMetamodel()).thenReturn(metamodelMock);
when(serverSessionStub.getLiveObjectCache()).thenReturn(cacheManagerMock);
when(emMock.getTransaction()).thenReturn(transactionMock);
final MetamodelMocks mocks = new MetamodelMocks();
mocks.setMocks(metamodelMock);
uow = new UnitOfWorkImpl(serverSessionStub);
uow.setEntityManager(emMock);
final Field connectionField = UnitOfWorkImpl.class.getDeclaredField("storage");
connectionField.setAccessible(true);
connectionField.set(uow, storageMock);
final Field cbField = UnitOfWorkImpl.class.getDeclaredField("cloneBuilder");
cbField.setAccessible(true);
this.cloneBuilder = spy((CloneBuilder) cbField.get(uow));
cbField.set(uow, cloneBuilder);
initEntities();
}
private void initEntities() {
this.entityA = Generators.generateOwlClassAInstance();
this.entityB = new OWLClassB(Generators.createIndividualIdentifier());
this.entityD = new OWLClassD(Generators.createIndividualIdentifier());
entityD.setOwlClassA(entityA);
this.entityL = new OWLClassL();
entityL.setUri(Generators.createIndividualIdentifier());
}
@SuppressWarnings("unchecked")
@Test(expected = NullPointerException.class)
public void testReadObjectNullPrimaryKey() {
try {
uow.readObject(entityA.getClass(), null, descriptor);
} finally {
verify(cacheManagerMock, never()).get(any(), any(), any());
}
fail("This line should not have been reached.");
}
@SuppressWarnings("unchecked")
@Test(expected = NullPointerException.class)
public void testReadObjectNullClass() {
try {
uow.readObject(null, entityB.getUri(), descriptor);
} finally {
verify(cacheManagerMock, never()).get(any(), any(), any());
}
fail("This line should not have been reached.");
}
@SuppressWarnings("unchecked")
@Test(expected = NullPointerException.class)
public void testReadObjectNullContext() {
try {
uow.readObject(entityA.getClass(), entityA.getUri(), null);
} finally {
verify(cacheManagerMock, never()).get(any(), any(), any());
}
fail("This line should not have been reached.");
}
@Test
public void testReadObjectFromOntology() {
when(storageMock.find(new LoadingParameters<>(OWLClassA.class, entityA.getUri(), descriptor)))
.thenReturn(entityA);
OWLClassA res = uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
assertNotNull(res);
assertEquals(entityA.getUri(), res.getUri());
}
@Test
public void testReadObjectJustPersisted() throws Exception {
uow.registerNewObject(entityA, descriptor);
assertTrue(uow.contains(entityA));
final OWLClassA res = uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
assertNotNull(res);
assertSame(entityA, res);
}
@Test
public void readAlreadyManagedObjectReturnsTheManagedOne() throws Exception {
final OWLClassA clone = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
assertNotNull(clone);
final OWLClassA res = uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
assertSame(clone, res);
// Had to cast, otherwise ajc refused to compile this
verify(storageMock, never()).find(any(LoadingParameters.class));
}
@Test
public void testCalculateNewObjects() throws Exception {
uow.registerNewObject(entityA, descriptor);
uow.registerNewObject(entityB, descriptor);
uow.registerNewObject(entityD, descriptor);
uow.commit();
ArgumentCaptor<Object> pks = ArgumentCaptor.forClass(Object.class);
verify(cacheManagerMock, times(3)).add(pks.capture(), any(Object.class), eq(descriptor));
final Set<URI> uris = pks.getAllValues().stream().map(pk -> URI.create(pk.toString())).collect(
Collectors.toSet());
assertTrue(uris.contains(entityA.getUri()));
assertTrue(uris.contains(entityB.getUri()));
assertTrue(uris.contains(entityD.getUri()));
}
@Test
public void testCalculateDeletedObjects() throws Exception {
final Object toRemove = uow.registerExistingObject(entityA, descriptor);
uow.registerExistingObject(entityB, descriptor);
uow.removeObject(toRemove);
uow.commit();
verify(cacheManagerMock).evict(OWLClassA.class, entityA.getUri(), CONTEXT_URI);
verify(storageMock).remove(entityA.getUri(), entityA.getClass(), descriptor);
}
@Test
public void testCalculateModificationsObjectProperty() throws Exception {
when(transactionMock.isActive()).thenReturn(Boolean.TRUE);
final OWLClassD d = new OWLClassD();
d.setUri(URI.create("http://tempD"));
final OWLClassA a = new OWLClassA();
a.setUri(URI.create("http://oldA"));
d.setOwlClassA(a);
final OWLClassD clone = (OWLClassD) uow.registerExistingObject(d, descriptor);
final OWLClassA newA = new OWLClassA();
newA.setUri(URI.create("http://newA"));
newA.setStringAttribute("somestring");
clone.setOwlClassA(newA);
uow.attributeChanged(clone, OWLClassD.getOwlClassAField());
uow.registerNewObject(newA, descriptor);
uow.commit();
assertEquals(d.getOwlClassA().getUri(), newA.getUri());
verify(cacheManagerMock).add(eq(newA.getUri()), any(Object.class), eq(descriptor));
}
@Test
public void testCalculateModificationsDataProperty() throws Exception {
when(transactionMock.isActive()).thenReturn(Boolean.TRUE);
final OWLClassA newA = new OWLClassA();
newA.setUri(URI.create("http://newA"));
newA.setStringAttribute("somestring");
final OWLClassA clone = (OWLClassA) uow.registerExistingObject(newA, descriptor);
// Trigger change, otherwise we would have to stub
// OWLAPIPersistenceProvider's emfs and server session
uow.setHasChanges();
final String newStr = "newStr";
clone.setStringAttribute(newStr);
uow.attributeChanged(clone, OWLClassA.getStrAttField());
uow.commit();
assertEquals(newStr, newA.getStringAttribute());
}
@Test
public void testContains() throws Exception {
OWLClassA res = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
assertNotNull(res);
assertTrue(uow.contains(res));
}
@Test
public void testGetState() throws Exception {
assertEquals(State.NOT_MANAGED, uow.getState(entityA));
OWLClassA toRemove = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
assertEquals(State.MANAGED, uow.getState(toRemove));
uow.removeObject(toRemove);
assertEquals(State.REMOVED, uow.getState(toRemove));
final OWLClassA stateTest = new OWLClassA();
final URI pk = URI.create("http://stateTest");
stateTest.setUri(pk);
uow.registerNewObject(stateTest, descriptor);
assertEquals(State.MANAGED_NEW, uow.getState(stateTest));
}
@Test
public void testGetStateWithDescriptor() throws Exception {
assertEquals(State.NOT_MANAGED, uow.getState(entityA, descriptor));
OWLClassA toRemove = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
assertEquals(State.MANAGED, uow.getState(toRemove, descriptor));
uow.removeObject(toRemove);
assertEquals(State.REMOVED, uow.getState(toRemove, descriptor));
final OWLClassA stateTest = new OWLClassA();
final URI pk = URI.create("http://stateTest");
stateTest.setUri(pk);
uow.registerNewObject(stateTest, descriptor);
assertEquals(State.MANAGED_NEW, uow.getState(stateTest, descriptor));
}
@Test
public void testGetOriginal() throws Exception {
when(storageMock.find(new LoadingParameters<>(OWLClassA.class, entityA.getUri(), descriptor))).thenReturn(
entityA);
OWLClassA tO = uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
assertNotNull(tO);
OWLClassA origOne = (OWLClassA) uow.getOriginal(tO);
assertSame(entityA, origOne);
OWLClassA origTwo = (OWLClassA) uow.getOriginal(tO);
assertSame(origOne, origTwo);
}
@Test
public void testGetOriginalNull() {
assertNull(uow.getOriginal(null));
}
@Test
public void getManagedOriginalReturnsManagedOriginalInstance() throws Exception {
when(storageMock.find(new LoadingParameters<>(OWLClassA.class, entityA.getUri(), descriptor))).thenReturn(
entityA);
uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
final OWLClassA res = uow.getManagedOriginal(OWLClassA.class, entityA.getUri(), descriptor);
assertNotNull(res);
assertSame(entityA, res);
}
@Test
public void getManagedOriginalForDifferentContextReturnsNull() throws Exception {
when(storageMock.find(new LoadingParameters<>(OWLClassA.class, entityA.getUri(), descriptor))).thenReturn(
entityA);
uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
final EntityDescriptor differentContext = new EntityDescriptor(URI.create("http://differentContext"));
assertNull(uow.getManagedOriginal(OWLClassA.class, entityA.getUri(), differentContext));
}
@Test
public void getManagedOriginalForUnknownIdentifierReturnsNull() throws Exception {
assertNull(uow.getManagedOriginal(OWLClassA.class, entityA.getUri(), descriptor));
}
@Test
public void testIsObjectNew() throws Exception {
final OWLClassA testNew = new OWLClassA();
final URI pk = URI.create("http://testNewOne");
testNew.setUri(pk);
uow.registerNewObject(testNew, descriptor);
assertTrue(uow.isObjectNew(testNew));
verify(storageMock).persist(pk, testNew, descriptor);
}
@Test
public void testIsObjectNewWithNullAndManaged() {
assertFalse(uow.isObjectNew(null));
OWLClassA managed = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
assertFalse(uow.isObjectNew(managed));
}
@Test
public void testIsObjectManaged() {
OWLClassA managed = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
assertTrue(uow.isObjectManaged(managed));
}
@Test(expected = NullPointerException.class)
public void testIsObjectManagerNull() {
uow.isObjectManaged(null);
fail("This line should not have been reached.");
}
@Test
public void testRegisterExistingObject() {
OWLClassB clone = (OWLClassB) uow.registerExistingObject(entityB, descriptor);
assertNotNull(clone);
assertEquals(entityB.getUri(), clone.getUri());
assertTrue(uow.contains(clone));
assertSame(entityB, uow.getOriginal(clone));
}
/**
* This method tests the situation when the Unit of Work has no clone to originals mapping - it was cleared. This
* tests the second branch of the register method.
*/
@Test
public void testRegisterExistingObjectTwice() {
OWLClassB clone = (OWLClassB) uow.registerExistingObject(entityB, descriptor);
assertNotNull(clone);
assertEquals(entityB.getUri(), clone.getUri());
final OWLClassB cloneTwo = (OWLClassB) uow.registerExistingObject(entityB, descriptor);
assertSame(clone, cloneTwo);
}
@Test
public void testRemoveObjectFromCache() {
uow.removeObjectFromCache(entityB, descriptor.getContext());
verify(cacheManagerMock).evict(OWLClassB.class, entityB.getUri(),
descriptor.getContext());
}
@Test
public void testRegisterNewObject() throws Exception {
final OWLClassA newOne = new OWLClassA();
final URI pk = URI.create("http://newEntity");
newOne.setUri(pk);
newOne.setStringAttribute("stringAttributeOne");
uow.registerNewObject(newOne, descriptor);
assertTrue(uow.getNewObjectsCloneToOriginal().containsKey(newOne));
verify(storageMock).persist(pk, newOne, descriptor);
}
@Test(expected = NullPointerException.class)
public void testRegisterNewObjectNull() {
uow.registerNewObject(null, descriptor);
fail("This line should not have been reached.");
}
@Test(expected = NullPointerException.class)
public void testRegisterNewObjectNullDescriptor() {
uow.registerNewObject(entityA, null);
fail("This line should not have been reached.");
}
@Test(expected = PrimaryKeyNotSetException.class)
public void testRegisterNewObjectNullPkNotGenerated() throws Exception {
final OWLClassB b = new OWLClassB();
try {
uow.registerNewObject(b, descriptor);
} finally {
verify(storageMock, never()).persist(any(Object.class), any(Object.class),
eq(descriptor));
}
fail("This line should not have been reached.");
}
@Test
public void testReleaseUnitOfWork() throws Exception {
assertTrue(uow.isActive());
uow.release();
assertFalse(uow.isActive());
verify(storageMock).close();
}
@Test
public void testRemoveObject() throws Exception {
final OWLClassB toRemove = (OWLClassB) uow.registerExistingObject(entityB, descriptor);
uow.removeObject(toRemove);
assertTrue(uow.getDeletedObjects().containsKey(toRemove));
assertFalse(uow.contains(toRemove));
verify(storageMock).remove(entityB.getUri(), entityB.getClass(), descriptor);
}
@Test
public void testRemoveNewObject() {
final OWLClassB newOne = new OWLClassB();
final URI pk = URI.create("http://testObject");
newOne.setUri(pk);
newOne.setStringAttribute("strAtt");
this.uow.registerNewObject(newOne, descriptor);
assertTrue(uow.contains(newOne));
// Now try to remove it
uow.removeObject(newOne);
assertFalse(uow.contains(newOne));
}
@Test(expected = IllegalArgumentException.class)
public void testRemoveObjectNotRegistered() {
uow.removeObject(entityA);
}
@Test
public void testUnregisterObject() {
final OWLClassA managed = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
assertTrue(uow.contains(managed));
uow.unregisterObject(managed);
assertFalse(uow.contains(managed));
}
@Test
public void unregisterObjectRemovesItFromCloneBuilderCache() {
final OWLClassA managed = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
uow.unregisterObject(managed);
verify(cloneBuilder).removeVisited(entityA, descriptor);
}
@Test
public void testRevertObject() {
final OWLClassA managed = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
assertNotNull(managed);
final String changedAtt = "changedAtt";
managed.setStringAttribute(changedAtt);
this.uow.revertObject(managed);
assertEquals(entityA.getStringAttribute(), managed.getStringAttribute());
}
@Test
public void revertObjectReference() throws Exception {
OWLClassD clone = (OWLClassD) uow.registerExistingObject(entityD, descriptor);
OWLClassA changedRef = new OWLClassA();
final URI pk = URI.create("http://changedOne");
changedRef.setStringAttribute("changedAtt");
changedRef.setUri(pk);
clone.setOwlClassA(changedRef);
this.uow.revertObject(clone);
assertEquals(entityA.getUri(), clone.getOwlClassA().getUri());
assertEquals(entityA.getStringAttribute(), clone.getOwlClassA().getStringAttribute());
assertNotNull(clone.getOwlClassA().getTypes());
}
@Test
public void testUseTransactionalOntologyForQueryProcessing() {
assertTrue(uow.useTransactionalOntologyForQueryProcessing());
assertFalse(uow.useBackupOntologyForQueryProcessing());
}
@Test
public void testSwitchQueryProcessingOntology() {
uow.setUseBackupOntologyForQueryProcessing();
assertTrue(uow.useBackupOntologyForQueryProcessing());
assertFalse(uow.useTransactionalOntologyForQueryProcessing());
uow.setUseTransactionalOntologyForQueryProcessing();
assertTrue(uow.useTransactionalOntologyForQueryProcessing());
assertFalse(uow.useBackupOntologyForQueryProcessing());
}
@Test(expected = IllegalStateException.class)
public void testCommitInactive() throws Exception {
uow.release();
uow.commit();
fail("This line should not have been reached.");
}
@Test
public void testRollback() throws Exception {
uow.registerNewObject(entityA, descriptor);
final Object clone = uow.registerExistingObject(entityB, descriptor);
verify(storageMock).persist(entityA.getUri(), entityA, descriptor);
assertTrue(uow.contains(entityA));
assertTrue(uow.contains(clone));
uow.rollback();
verify(storageMock).rollback();
assertFalse(uow.contains(entityA));
assertFalse(uow.contains(clone));
}
@Test(expected = IllegalStateException.class)
public void testRollbackInactive() throws Exception {
uow.release();
uow.rollback();
fail("This line should not have been reached.");
}
@Test(expected = OWLPersistenceException.class)
public void testCommitFailed() throws Exception {
doThrow(OWLPersistenceException.class).when(storageMock).commit();
try {
uow.commit();
} finally {
verify(emMock).removeCurrentPersistenceContext();
}
}
@Test
public void testClearCacheAfterCommit() throws Exception {
uow.registerNewObject(entityA, descriptor);
final Object clone = uow.registerExistingObject(entityB, descriptor);
verify(storageMock).persist(entityA.getUri(), entityA, descriptor);
assertTrue(uow.contains(entityA));
assertTrue(uow.contains(clone));
uow.setShouldClearAfterCommit(true);
uow.commit();
verify(cacheManagerMock).evictAll();
}
@Test
public void testLoadFieldValue() throws Exception {
final OWLClassB b = new OWLClassB();
b.setUri(URI.create("http://bUri"));
final String stringAtt = "string";
final OWLClassB clone = (OWLClassB) uow.registerExistingObject(b, descriptor);
assertNull(clone.getStringAttribute());
final Field strField = OWLClassB.getStrAttField();
strField.setAccessible(true);
doAnswer(invocation -> {
final Field f = (Field) invocation.getArguments()[1];
f.set(invocation.getArguments()[0], stringAtt);
return null;
}).when(storageMock).loadFieldValue(clone, strField, descriptor);
uow.loadEntityField(clone, strField);
assertNotNull(clone.getStringAttribute());
verify(storageMock).loadFieldValue(clone, strField, descriptor);
}
@Test
public void testLoadFieldValueManagedType() throws Exception {
final OWLClassD d = new OWLClassD();
d.setUri(URI.create("http://dUri"));
final OWLClassD clone = (OWLClassD) uow.registerExistingObject(d, descriptor);
assertNull(clone.getOwlClassA());
final Field toLoad = OWLClassD.getOwlClassAField();
doAnswer(invocation -> {
final Field f = (Field) invocation.getArguments()[1];
f.set(invocation.getArguments()[0], entityA);
return null;
}).when(storageMock).loadFieldValue(clone, toLoad, descriptor);
uow.loadEntityField(clone, toLoad);
assertNotNull(clone.getOwlClassA());
// Verify that the loaded value was cloned
assertNotSame(entityA, clone.getOwlClassA());
assertTrue(uow.contains(clone.getOwlClassA()));
verify(storageMock).loadFieldValue(clone, toLoad, descriptor);
}
@Test
public void findOfObjectAlreadyManagedAsLazilyLoadedValueReturnSameObject() throws Exception {
final OWLClassD d = new OWLClassD();
d.setUri(URI.create("http://dUri"));
final OWLClassD clone = (OWLClassD) uow.registerExistingObject(d, descriptor);
assertNull(clone.getOwlClassA());
final Field toLoad = OWLClassD.getOwlClassAField();
doAnswer(invocation -> {
final Field f = (Field) invocation.getArguments()[1];
f.set(invocation.getArguments()[0], entityA);
return null;
}).when(storageMock).loadFieldValue(clone, toLoad, descriptor);
uow.loadEntityField(clone, toLoad);
assertNotNull(clone.getOwlClassA());
final OWLClassA res = uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
assertNotNull(res);
assertSame(clone.getOwlClassA(), res);
}
@Test(expected = OWLPersistenceException.class)
public void testLoadFieldValueNotRegistered() throws Exception {
try {
uow.loadEntityField(entityB, OWLClassB.getStrAttField());
} finally {
verify(storageMock, never()).loadFieldValue(any(Object.class),
eq(OWLClassB.getStrAttField()), eq(descriptor));
}
}
@Test
public void testAttributeChanged() throws Exception {
when(transactionMock.isActive()).thenReturn(Boolean.TRUE);
final OWLClassA clone = (OWLClassA) uow.registerExistingObject(entityA, descriptor);
final Field strField = OWLClassA.getStrAttField();
uow.attributeChanged(clone, strField);
verify(storageMock).merge(clone, strField, descriptor);
}
@Test(expected = OWLPersistenceException.class)
public void testAttributeChangedNotRegistered() throws Exception {
when(transactionMock.isActive()).thenReturn(Boolean.TRUE);
final Field strField = OWLClassA.getStrAttField();
try {
uow.attributeChanged(entityA, strField);
} finally {
verify(storageMock, never()).merge(any(Object.class), eq(strField), eq(descriptor));
}
fail("This line should not have been reached.");
}
@Test(expected = IllegalStateException.class)
public void testAttributeChangedOutsideTransaction() throws Exception {
final Field strField = OWLClassA.getStrAttField();
try {
uow.attributeChanged(entityA, strField);
} finally {
verify(storageMock, never()).merge(any(Object.class), eq(strField), eq(descriptor));
}
fail("This line should not have been reached.");
}
@Test
public void testMergeDetachedExisting() throws Exception {
mergeDetachedTest();
}
@SuppressWarnings("unchecked")
private void mergeDetachedTest() throws Exception {
when(storageMock.contains(entityA.getUri(), entityA.getClass(), descriptor))
.thenReturn(Boolean.TRUE);
final OWLClassA orig = new OWLClassA();
orig.setUri(entityA.getUri());
orig.setStringAttribute("oldStringAttribute");
orig.setTypes(new HashSet<>(entityA.getTypes()));
final Iterator<String> it = orig.getTypes().iterator();
it.next();
it.remove();
when(storageMock.find(new LoadingParameters<>(OWLClassA.class, entityA.getUri(), descriptor, true)))
.thenReturn(orig);
final OWLClassA res = uow.mergeDetached(entityA, descriptor);
assertNotNull(res);
assertEquals(entityA.getUri(), res.getUri());
final ArgumentCaptor<Field> ac = ArgumentCaptor.forClass(Field.class);
verify(storageMock, atLeastOnce()).merge(any(Object.class), ac.capture(), eq(descriptor));
final List<Field> mergedFields = ac.getAllValues();
assertTrue(mergedFields.contains(OWLClassA.getStrAttField()));
assertTrue(mergedFields.contains(OWLClassA.getTypesField()));
}
@Test
public void mergeDetachedEvictsInstanceFromCache() throws Exception {
when(cacheManagerMock.contains(OWLClassA.class, entityA.getUri(), descriptor)).thenReturn(Boolean.TRUE);
mergeDetachedTest();
verify(cacheManagerMock).evict(OWLClassA.class, entityA.getUri(), CONTEXT_URI);
}
@Test
public void testMergeDetachedNew() throws Exception {
when(storageMock.contains(entityA.getUri(), entityA.getClass(), descriptor))
.thenReturn(Boolean.FALSE);
final OWLClassA res = uow.mergeDetached(entityA, descriptor);
assertNotNull(res);
assertSame(entityA, res);
verify(storageMock).persist(entityA.getUri(), entityA, descriptor);
}
@Test
public void testIsConsistent() throws Exception {
when(storageMock.isConsistent(CONTEXT_URI)).thenReturn(Boolean.TRUE);
final boolean res = uow.isConsistent(CONTEXT_URI);
assertTrue(res);
verify(storageMock).isConsistent(CONTEXT_URI);
}
@Test
public void testGetContexts() throws Exception {
final List<URI> contexts = new ArrayList<>(1);
contexts.add(CONTEXT_URI);
when(storageMock.getContexts()).thenReturn(contexts);
final List<URI> res = uow.getContexts();
assertSame(contexts, res);
assertEquals(contexts, res);
verify(storageMock).getContexts();
}
@Test(expected = CardinalityConstraintViolatedException.class)
public void throwsCardinalityViolationWhenMaximumCardinalityIsViolatedOnCommit() throws Exception {
final List<OWLClassA> lst = new ArrayList<>();
for (int i = 0; i < 5; i++) {
final OWLClassA a = new OWLClassA();
a.setUri(URI.create("http://krizik.felk.cvut.cz/ontologies/jopa#a" + i));
lst.add(a);
}
entityL.setReferencedList(lst);
uow.registerNewObject(entityL, descriptor);
try {
uow.commit();
} finally {
verify(storageMock, never()).commit();
}
}
@Test(expected = CardinalityConstraintViolatedException.class)
public void throwsCardinalityViolationExceptionWhenMinimumCardinalityIsViolatedOnCommit() throws Exception {
when(transactionMock.isActive()).thenReturn(Boolean.TRUE);
final List<OWLClassA> lst = new ArrayList<>();
for (int i = 0; i < 5; i++) {
final OWLClassA a = new OWLClassA();
a.setUri(URI.create("http://krizik.felk.cvut.cz/ontologies/jopa#a" + i));
lst.add(a);
}
entityL.setSimpleList(lst);
final OWLClassL clone = (OWLClassL) uow.registerExistingObject(entityL, descriptor);
clone.getSimpleList().clear();
uow.attributeChanged(clone, OWLClassL.getSimpleListField());
try {
uow.commit();
} finally {
verify(storageMock, never()).commit();
}
}
@Test
public void icValidationPassesOnCommitWhenConstraintsAreViolatedAndThenFixedDuringTransaction() throws Exception {
when(transactionMock.isActive()).thenReturn(Boolean.TRUE);
final List<OWLClassA> lst = new ArrayList<>();
for (int i = 0; i < 5; i++) {
lst.add(new OWLClassA(URI.create("http://krizik.felk.cvut.cz/ontologies/jopa#a" + i)));
}
entityL.setSimpleList(lst);
final OWLClassL clone = (OWLClassL) uow.registerExistingObject(entityL, descriptor);
clone.setSimpleList(Collections.emptyList());
uow.attributeChanged(clone, OWLClassL.getSimpleListField());
final List<OWLClassA> updatedList = new ArrayList<>();
for (int i = 100; i < 103; i++) {
updatedList.add(new OWLClassA(URI.create("http://krizik.felk.cvut.cz/ontologies/jopa#a" + i)));
}
clone.setSimpleList(updatedList);
uow.attributeChanged(clone, OWLClassL.getSimpleListField());
uow.commit();
verify(storageMock).commit();
}
@Test
public void clearCleansUpPersistenceContext() throws Exception {
final OWLClassD d = new OWLClassD();
d.setUri(URI.create("http://dUri"));
uow.registerExistingObject(d, descriptor);
final OWLClassB newOne = new OWLClassB();
final URI pk = URI.create("http://testObject");
newOne.setUri(pk);
uow.registerNewObject(newOne, descriptor);
final Object toRemove = uow.registerExistingObject(entityA, descriptor);
uow.registerExistingObject(entityB, descriptor);
uow.removeObject(toRemove);
uow.clear();
assertTrue(getMap("cloneMapping") == null || getMap("cloneMapping").isEmpty());
assertTrue(getMap("cloneToOriginals") == null || getMap("cloneToOriginals").isEmpty());
assertTrue(getMap("keysToClones") == null || getMap("keysToClones").isEmpty());
assertTrue(getMap("deletedObjects") == null || getMap("deletedObjects").isEmpty());
assertTrue(getMap("newObjectsCloneToOriginal") == null || getMap("newObjectsCloneToOriginal").isEmpty());
assertTrue(getMap("newObjectsOriginalToClone") == null || getMap("newObjectsOriginalToClone").isEmpty());
assertTrue(getMap("newObjectsKeyToClone") == null || getMap("newObjectsKeyToClone").isEmpty());
assertFalse(getBoolean("hasChanges"));
assertFalse(getBoolean("hasNew"));
assertFalse(getBoolean("hasDeleted"));
}
private Map<?, ?> getMap(String fieldName) throws Exception {
final Field field = uow.getClass().getDeclaredField(fieldName);
if (!field.isAccessible()) {
field.setAccessible(true);
}
return (Map<?, ?>) field.get(uow);
}
private boolean getBoolean(String fieldName) throws Exception {
final Field field = uow.getClass().getDeclaredField(fieldName);
if (!field.isAccessible()) {
field.setAccessible(true);
}
return (boolean) field.get(uow);
}
@Test
public void unwrapReturnsItselfWhenClassMatches() {
assertSame(uow, uow.unwrap(UnitOfWork.class));
}
@Test
public void mergeRegistersChangesInUoWChangeSet() throws Exception {
final OWLClassA clone = new OWLClassA();
clone.setUri(entityA.getUri());
// These two attributes will be changed
clone.setStringAttribute("changedStringAttribute");
clone.setTypes(Collections.emptySet());
when(storageMock.contains(entityA.getUri(), OWLClassA.class, descriptor)).thenReturn(true);
when(storageMock.find(new LoadingParameters<>(OWLClassA.class, entityA.getUri(), descriptor, true)))
.thenReturn(entityA);
OWLClassA result = uow.mergeDetached(clone, descriptor);
assertTrue(uow.hasChanges());
final UnitOfWorkChangeSet changeSet = uow.getUowChangeSet();
final ObjectChangeSet objectChanges = changeSet.getExistingObjectChanges(result);
assertNotNull(objectChanges);
assertEquals(2, objectChanges.getChanges().size());
final String strAttName = OWLClassA.getStrAttField().getName();
final Optional<ChangeRecord> rOne = objectChanges.getChanges().stream()
.filter(ch -> ch.getAttribute().getName().equals(strAttName))
.findAny();
assertTrue(rOne.isPresent());
assertEquals(clone.getStringAttribute(), rOne.get().getNewValue());
final String typesAttName = OWLClassA.getTypesField().getName();
final Optional<ChangeRecord> rTwo = objectChanges.getChanges().stream()
.filter(ch -> ch.getAttribute().getName().equals(typesAttName))
.findAny();
assertTrue(rTwo.isPresent());
assertEquals(clone.getTypes(), rTwo.get().getNewValue());
}
@Test
public void releaseRemovesUoWFromServerSessionsActivePersistenceContexts() {
when(storageMock.find(new LoadingParameters<>(OWLClassA.class, entityA.getUri(), descriptor, false)))
.thenReturn(entityA);
final OWLClassA result = uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
assertNotNull(result);
verify(serverSessionStub).registerEntityWithPersistenceContext(any(OWLClassA.class), eq(uow));
uow.release();
verify(serverSessionStub).releasePersistenceContext(uow);
}
@Test
public void releaseRemovesIndirectCollectionsFromManagedEntities() {
when(storageMock.find(new LoadingParameters<>(OWLClassA.class, entityA.getUri(), descriptor, false)))
.thenReturn(entityA);
final OWLClassA result = uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
assertNotNull(result);
assertTrue(result.getTypes() instanceof IndirectSet);
uow.release();
assertFalse(result.getTypes() instanceof IndirectSet);
}
@Test
public void rollbackDetachesAllManagedEntities() {
when(storageMock.find(new LoadingParameters<>(OWLClassA.class, entityA.getUri(), descriptor, false)))
.thenReturn(entityA);
final OWLClassA result = uow.readObject(OWLClassA.class, entityA.getUri(), descriptor);
entityB.setProperties(new HashMap<>());
uow.registerNewObject(entityB, descriptor);
assertTrue(result.getTypes() instanceof IndirectSet);
assertTrue(entityB.getProperties() instanceof IndirectMap);
uow.rollback();
assertFalse(result.getTypes() instanceof IndirectSet);
assertFalse(entityB.getProperties() instanceof IndirectMap);
verify(serverSessionStub).deregisterEntityFromPersistenceContext(result, uow);
verify(serverSessionStub).deregisterEntityFromPersistenceContext(entityB, uow);
}
@Test
public void mergeReturnsInstanceWithReferencesWithOriginalValues() {
final OWLClassA aOriginal = new OWLClassA(entityA.getUri());
aOriginal.setStringAttribute(entityA.getStringAttribute());
aOriginal.setTypes(new HashSet<>(entityA.getTypes()));
final OWLClassD dOriginal = new OWLClassD(entityD.getUri());
dOriginal.setOwlClassA(aOriginal);
entityA.setStringAttribute("differentString");
entityA.getTypes().add(Vocabulary.CLASS_BASE + "addedType");
when(storageMock.contains(entityD.getUri(), OWLClassD.class, descriptor)).thenReturn(true);
when(storageMock.find(new LoadingParameters<>(OWLClassD.class, dOriginal.getUri(), descriptor, true)))
.thenReturn(dOriginal);
final OWLClassD result = uow.mergeDetached(entityD, descriptor);
assertEquals(aOriginal.getStringAttribute(), result.getOwlClassA().getStringAttribute());
assertEquals(aOriginal.getTypes(), result.getOwlClassA().getTypes());
}
@Test
public void mergeReturnsInstanceWithUpdatedReferenceWhenItWasChangedInTheDetachedObject() {
final OWLClassA aOriginal = Generators.generateOwlClassAInstance();
final OWLClassD dOriginal = new OWLClassD(entityD.getUri());
dOriginal.setOwlClassA(aOriginal);
when(storageMock.contains(entityD.getUri(), OWLClassD.class, descriptor)).thenReturn(true);
when(storageMock.find(new LoadingParameters<>(OWLClassD.class, dOriginal.getUri(), descriptor, true)))
.thenReturn(dOriginal);
final OWLClassD result = uow.mergeDetached(entityD, descriptor);
assertEquals(entityA.getUri(), result.getOwlClassA().getUri());
assertEquals(entityA.getStringAttribute(), result.getOwlClassA().getStringAttribute());
assertEquals(entityA.getTypes(), result.getOwlClassA().getTypes());
}
@Test
public void registerReplacesAlsoInheritedCollectionInstancesWithIndirectVersions() {
final OWLClassR entityR = new OWLClassR(Generators.createIndividualIdentifier());
entityR.setTypes(Generators.generateTypes(5));
when(storageMock.find(new LoadingParameters<>(OWLClassR.class, entityR.getUri(), descriptor)))
.thenReturn(entityR);
final OWLClassR clone = uow.readObject(OWLClassR.class, entityR.getUri(), descriptor);
assertTrue(clone.getTypes() instanceof IndirectSet);
}
}