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ChangeManagerTest.java
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ChangeManagerTest.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.change;
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.environment.utils.TestEnvironmentUtils;
import cz.cvut.kbss.jopa.model.metamodel.FieldSpecification;
import cz.cvut.kbss.jopa.model.metamodel.Metamodel;
import cz.cvut.kbss.jopa.sessions.ChangeManager;
import cz.cvut.kbss.jopa.sessions.ChangeRecord;
import cz.cvut.kbss.jopa.sessions.MetamodelProvider;
import cz.cvut.kbss.jopa.sessions.ObjectChangeSet;
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 java.util.*;
import java.util.Map.Entry;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.when;
public class ChangeManagerTest {
private static final URI DEFAULT_CONTEXT = URI.create("http://defaultContext");
private OWLClassA testA;
private OWLClassB testB;
private OWLClassD testD;
private OWLClassC testC;
private OWLClassO testO;
private OWLClassM testM;
private OWLClassQ testQ;
private OWLClassA testAClone;
private OWLClassB testBClone;
private OWLClassC testCClone;
private OWLClassD testDClone;
private Set<String> typesCollection;
@Mock
private MetamodelProvider providerMock;
@Mock
private Metamodel metamodelMock;
private MetamodelMocks metamodelMocks;
private ChangeManager manager;
@BeforeEach
public void setup() throws Exception {
MockitoAnnotations.openMocks(this);
initInstances();
manager = new ChangeManagerImpl(providerMock);
when(providerMock.isEntityType(any(Class.class))).thenAnswer(invocation -> {
final Class<?> cls = (Class<?>) invocation.getArguments()[0];
return TestEnvironmentUtils.getManagedTypes().contains(cls);
});
when(providerMock.getMetamodel()).thenReturn(metamodelMock);
this.metamodelMocks = new MetamodelMocks();
metamodelMocks.setMocks(metamodelMock);
typesCollection = Generators.generateTypes(10);
initClones();
final List<OWLClassA> clonedList = new ArrayList<>(testC.getReferencedList().size());
for (OWLClassA a : testC.getReferencedList()) {
final OWLClassA newA = new OWLClassA();
newA.setUri(a.getUri());
newA.setStringAttribute(a.getStringAttribute());
clonedList.add(newA);
}
testCClone.setReferencedList(clonedList);
}
private void initInstances() {
this.testA = Generators.generateOwlClassAInstance();
initB();
initC();
initD();
this.testM = new OWLClassM();
testM.initializeTestValues(false);
initO();
initQ();
}
private void initB() {
testB = new OWLClassB();
testB.setUri(Generators.createIndividualIdentifier());
testB.setStringAttribute("someString");
final Map<String, Set<String>> props = new HashMap<>();
props.put("propertyOne", Collections.singleton("valueOne"));
props.put("propertyTwo", Collections.singleton("valueTwo"));
final Set<String> multiProp = new HashSet<>();
multiProp.add("valueThree");
multiProp.add("valueFour");
props.put("propertyThree", multiProp);
testB.setProperties(props);
}
private void initC() {
testC = new OWLClassC(Generators.createIndividualIdentifier());
List<OWLClassA> refList = new ArrayList<>(10);
for (int i = 0; i < 10; i++) {
OWLClassA a = new OWLClassA();
URI pkA = URI.create("http://testARef" + (i + 1));
a.setUri(pkA);
a.setStringAttribute("stringForA" + (i + 1));
refList.add(a);
}
testC.setReferencedList(refList);
}
private void initD() {
this.testD = new OWLClassD(Generators.createIndividualIdentifier());
testD.setOwlClassA(Generators.generateOwlClassAInstance());
}
private void initO() {
this.testO = new OWLClassO(Generators.createIndividualIdentifier());
testO.setStringAttribute("String");
}
private void initQ() {
this.testQ = new OWLClassQ();
testQ.setUri(Generators.createIndividualIdentifier());
testQ.setStringAttribute("someString");
testQ.setParentString("parentString");
testQ.setLabel("label");
testQ.setOwlClassA(testA);
}
private void initClones() {
this.testAClone = new OWLClassA(testA.getUri());
testAClone.setStringAttribute(testA.getStringAttribute());
testAClone.setTypes(new HashSet<>(testA.getTypes()));
final Map<String, Set<String>> cloneProps = new HashMap<>();
for (Entry<String, Set<String>> e : testB.getProperties().entrySet()) {
final Set<String> set = new HashSet<>(e.getValue());
cloneProps.put(e.getKey(), set);
}
testBClone = new OWLClassB(testB.getUri());
testBClone.setStringAttribute(testB.getStringAttribute());
testBClone.setProperties(cloneProps);
testCClone = new OWLClassC();
testCClone.setUri(testC.getUri());
testDClone = new OWLClassD(testD.getUri());
final OWLClassA refAClone = new OWLClassA(testD.getOwlClassA().getUri());
refAClone.setStringAttribute(testD.getOwlClassA().getStringAttribute());
refAClone.setTypes(new HashSet<>(testD.getOwlClassA().getTypes()));
testDClone.setOwlClassA(refAClone);
}
@Test
public void hasChangesOnNullReturnsFalse() {
assertFalse(manager.hasChanges(null, null));
}
@Test
public void hasChangeWithChangedDataPropertyValueReturnsTrue() {
testAClone.setStringAttribute("differentStringAttribute");
assertTrue(manager.hasChanges(testA, testAClone));
}
@Test
public void hasChangeWithoutChangeOnDataPropertyReturnsFalse() {
testAClone.setStringAttribute(testA.getStringAttribute());
assertFalse(manager.hasChanges(testA, testA));
}
@Test
public void hasChangeOnDifferentObjectPropertyValueReturnsTrue() {
final OWLClassA ref = new OWLClassA(Generators.createIndividualIdentifier());
ref.setStringAttribute(testA.getStringAttribute());
testDClone.setOwlClassA(ref);
assertTrue(manager.hasChanges(testD, testDClone));
}
@Test
public void hasChangeFromEmptyCollectionToNonEmptyReturnsTrue() {
testAClone.setTypes(typesCollection);
testA.setTypes(new HashSet<>());
assertTrue(manager.hasChanges(testA, testAClone));
}
@Test
public void hasChangeWhenAddedItemToCollectionReturnsTrue() {
testA.setTypes(typesCollection);
Set<String> changed = new HashSet<>();
Iterator<String> it = typesCollection.iterator();
it.next();
changed.add("111");
while (it.hasNext()) {
changed.add(it.next());
}
testAClone.setTypes(changed);
assertTrue(manager.hasChanges(testA, testAClone));
}
@Test
public void hasChangeWhenItemRemovedFromCollectionReturnsTrue() {
final Iterator<OWLClassA> it = testCClone.getReferencedList().iterator();
boolean removed = false;
while (it.hasNext()) {
it.next();
if (Generators.randomBoolean() || !removed) {
it.remove();
removed = true;
}
}
assertTrue(manager.hasChanges(testC, testCClone));
}
@Test
public void hasChangeOnDataPropertyWhenOriginalValueWasNullReturnsTrue() {
testA.setStringAttribute(null);
testAClone.setStringAttribute("someString");
assertTrue(manager.hasChanges(testA, testAClone));
}
@Test
public void hasChangeAttributeValueChangeOnReferenceReturnsFalse() {
testDClone.getOwlClassA().setStringAttribute("updatedString");
assertFalse(manager.hasChanges(testD, testDClone));
}
@Test
public void calculateChangesThrowsNPXForNullArgument() {
assertThrows(NullPointerException.class, () -> manager.calculateChanges(null));
}
@Test
public void calculateChangesForIdenticalObjectsAddsNoChangesToChangeSet() {
final ObjectChangeSet chSet = createChangeSet(testA, testAClone);
final boolean res = manager.calculateChanges(chSet);
assertFalse(res);
assertTrue(chSet.getChanges().isEmpty());
}
@Test
public void calculateChangesRegistersChangeOnStringAttribute() {
testAClone.setStringAttribute("updated");
ObjectChangeSet chSet = createChangeSet(testA, testAClone);
assertTrue(chSet.getChanges().isEmpty());
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertFalse(chSet.getChanges().isEmpty());
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassA().stringAttribute(), chSet);
}
private void verifyChangeSetContainsChangeOfAttribute(FieldSpecification<?, ?> att, ObjectChangeSet changeSet) {
final Optional<ChangeRecord> result = changeSet.getChanges().stream()
.filter(ch -> ch.getAttribute().equals(att)).findAny();
assertTrue(result.isPresent());
}
@Test
public void calculateChangesRegistersChangeOnPrimitiveTypeAttribute() {
final OWLClassM testMClone = new OWLClassM();
testMClone.setIntAttribute(testM.getIntAttribute() + 117);
ObjectChangeSet chSet = createChangeSet(testM, testMClone);
assertTrue(chSet.getChanges().isEmpty());
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertFalse(chSet.getChanges().isEmpty());
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassM().integerAttribute(), chSet);
}
@Test
public void calculateChangesRegistersChangeOnObjectPropertyAttribute() {
testDClone.setOwlClassA(testAClone);
ObjectChangeSet chSet = createChangeSet(testD, testDClone);
assertTrue(chSet.getChanges().isEmpty());
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertEquals(1, chSet.getChanges().size());
assertEquals(testAClone, chSet.getChanges().iterator().next().getNewValue());
}
@Test
public void calculateChangesRegistersChangeInCollection() {
testA.setTypes(typesCollection);
Set<String> newCollection = new HashSet<>(typesCollection);
newCollection.remove(typesCollection.iterator().next());
newCollection.add("String");
testAClone.setTypes(newCollection);
ObjectChangeSet chSet = createChangeSet(testA, testAClone);
assertTrue(chSet.getChanges().isEmpty());
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertEquals(1, chSet.getChanges().size());
assertTrue(((Set<String>) chSet.getChanges().iterator().next().getNewValue()).contains("String"));
}
@Test
public void calculateChangesRegistersMultipleChanges() {
testA.setTypes(typesCollection);
Set<String> newCollection = new HashSet<>(typesCollection);
newCollection.remove(typesCollection.iterator().next());
newCollection.add("String");
testAClone.setTypes(newCollection);
testAClone.setStringAttribute("AnotherStringAttribute");
ObjectChangeSet chSet = createChangeSet(testA, testAClone);
assertTrue(chSet.getChanges().isEmpty());
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertEquals(2, chSet.getChanges().size());
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassA().stringAttribute(), chSet);
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassA().typesSpec(), chSet);
}
@Test
public void calculateChangesRegistersChangeWhenValueIsSetToNull() {
ObjectChangeSet chSet = createChangeSet(testA, testAClone);
testAClone.setStringAttribute(null);
assertTrue(chSet.getChanges().isEmpty());
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertFalse(chSet.getChanges().isEmpty());
assertNotNull(chSet);
assertNull(chSet.getChanges().iterator().next().getNewValue());
}
@Test
public void calculateChangesRegistersChangeWhenValueIsSetToNonNull() {
testA.setTypes(null);
final ObjectChangeSet chSet = createChangeSet(testA, testAClone);
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertEquals(1, chSet.getChanges().size());
assertNotNull(chSet.getChanges().iterator().next().getNewValue());
}
@Test
public void calculateChangesRegistersItemRemovalFromReferenceCollection() {
testCClone.getReferencedList().remove(4);
ObjectChangeSet chSet = createChangeSet(testC, testCClone);
assertTrue(chSet.getChanges().isEmpty());
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassC().referencedListAtt(), chSet);
assertEquals(1, chSet.getChanges().size());
}
@SuppressWarnings("unchecked")
@Test
public void calculateChangesRegistersItemAdditionToReferenceCollection() {
testCClone.getReferencedList().add(testA);
ObjectChangeSet chSet = createChangeSet(testC, testCClone);
assertTrue(chSet.getChanges().isEmpty());
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertEquals(1, chSet.getChanges().size());
final ChangeRecord r = chSet.getChanges().iterator().next();
List<OWLClassA> refs = (List<OWLClassA>) r.getNewValue();
assertEquals(testA.getUri(), refs.get(10).getUri());
assertEquals(testA.getStringAttribute(), refs.get(10).getStringAttribute());
}
@SuppressWarnings("unchecked")
@Test
public void calculateChangesRegistersItemReplacementInReferenceCollection() {
testCClone.getReferencedList().remove(3);
testCClone.getReferencedList().add(testA);
ObjectChangeSet chSet = createChangeSet(testC, testCClone);
assertTrue(chSet.getChanges().isEmpty());
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassC().referencedListAtt(), chSet);
assertEquals(1, chSet.getChanges().size());
final ChangeRecord r = chSet.getChanges().iterator().next();
List<OWLClassA> refs = (List<OWLClassA>) r.getNewValue();
assertTrue(refs.contains(testA));
}
@Test
public void calculateChangesRegistersMapKeyAddition() {
testBClone.getProperties().put("newProperty", Collections.singleton("propVal"));
final ObjectChangeSet chSet = createChangeSet(testB, testBClone);
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertEquals(1, chSet.getChanges().size());
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassB().propertiesSpec(), chSet);
}
@Test
public void calculateChangesRegistersMapValueChange() {
final String key = testB.getProperties().keySet().iterator().next();
testBClone.getProperties().put(key, Collections.singleton("propVal"));
final ObjectChangeSet chSet = createChangeSet(testB, testBClone);
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertEquals(1, chSet.getChanges().size());
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassB().propertiesSpec(), chSet);
}
@Test
public void calculateChangesRegistersMapValueAddition() {
final String key = testB.getProperties().keySet().iterator().next();
testBClone.getProperties().get(key).add("addedValue");
final ObjectChangeSet chSet = createChangeSet(testB, testBClone);
final boolean res = manager.calculateChanges(chSet);
assertTrue(res);
assertEquals(1, chSet.getChanges().size());
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassB().propertiesSpec(), chSet);
}
private ObjectChangeSet createChangeSet(Object orig, Object clone) {
return TestEnvironmentUtils.createObjectChangeSet(orig, clone, DEFAULT_CONTEXT);
}
@Test
public void twoSetsWithSameElementsButDifferentOrderHaveNoChanges() {
testA.setTypes(typesCollection);
testAClone.setStringAttribute(testA.getStringAttribute());
final List<String> lst = new ArrayList<>(typesCollection);
Collections.reverse(lst);
final Set<String> newTypes = new LinkedHashSet<>(lst);
testAClone.setTypes(newTypes);
assertNotEquals(typesCollection.iterator().next(), newTypes.iterator().next());
final boolean res = manager.hasChanges(testA, testAClone);
assertFalse(res);
}
@Test
public void twoSetsWithManagedElementsWithSameIdentifiersHaveNoChanges() {
final OWLClassF testF = new OWLClassF();
final OWLClassF cloneF = new OWLClassF();
initFAndClone(testF, cloneF);
final boolean res = manager.hasChanges(testF, cloneF);
assertFalse(res);
}
private void initFAndClone(OWLClassF orig, OWLClassF clone) {
final URI uri = URI.create("http://krizik.felk.cvut.cz/ontologies#testF");
orig.setUri(uri);
clone.setUri(uri);
orig.setSimpleSet(new HashSet<>());
clone.setSimpleSet(new HashSet<>());
orig.getSimpleSet().add(testA);
testAClone.setStringAttribute(testA.getStringAttribute());
clone.getSimpleSet().add(testAClone);
final URI aUri = URI.create("http://krizik.felk.cvut.cz/ontologies#testAA");
final OWLClassA extraA = new OWLClassA(aUri);
extraA.setStringAttribute("string");
orig.getSimpleSet().add(extraA);
final OWLClassA extraAClone = new OWLClassA(aUri);
extraAClone.setStringAttribute(extraA.getStringAttribute());
clone.getSimpleSet().add(extraAClone);
}
@Test
public void twoSetsWithManagedElementsOneElementReplacedWithNewWithoutIdHaveChanges() {
final OWLClassF testF = new OWLClassF();
final OWLClassF cloneF = new OWLClassF();
initFAndClone(testF, cloneF);
final OWLClassA added = new OWLClassA();
added.setStringAttribute("differentString");
// OWLClassA does not have generated id, but for purposes of this test, let's assume it does
final Iterator<OWLClassA> remove = cloneF.getSimpleSet().iterator();
remove.next();
remove.remove();
cloneF.getSimpleSet().add(added);
final boolean res = manager.hasChanges(testF, cloneF);
assertTrue(res);
}
@Test
public void hasChangesIgnoresTransientFieldChanges() {
final OWLClassO testOClone = new OWLClassO();
testOClone.setUri(testO.getUri());
testOClone.setStringAttribute(testO.getStringAttribute());
testOClone.setTransientField("Change!");
final boolean res = manager.hasChanges(testO, testOClone);
assertFalse(res);
}
@Test
public void calculateChangesIgnoresTransientFieldChanges() {
final OWLClassO testOClone = new OWLClassO();
testOClone.setUri(testO.getUri());
testOClone.setStringAttribute(testO.getStringAttribute());
testOClone.setTransientFieldWithAnnotation("Change!");
final ObjectChangeSet changeSet = createChangeSet(testO, testOClone);
final boolean res = manager.calculateChanges(changeSet);
assertFalse(res);
assertTrue(changeSet.getChanges().isEmpty());
}
@Test
public void calculateChangesDetectsChangesInMappedSuperclassFields() {
final OWLClassQ testQClone = new OWLClassQ();
testQClone.setUri(testQ.getUri());
testQClone.setLabel("differentLabel");
testQClone.setParentString("differentParentString");
testQClone.setStringAttribute("differentString");
testQClone.setOwlClassA(testA);
final ObjectChangeSet changeSet = createChangeSet(testQ, testQClone);
final boolean res = manager.calculateChanges(changeSet);
assertTrue(res);
final Set<ChangeRecord> changes = changeSet.getChanges();
assertEquals(3, changes.size());
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassQ().qLabelAtt(), changeSet);
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassQ().qStringAtt(), changeSet);
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassQ().qParentStringAtt(), changeSet);
changes.stream().filter(ch -> ch.getAttribute().equals(metamodelMocks.forOwlClassQ().qLabelAtt()))
.forEach(ch -> assertEquals(testQClone.getLabel(), ch.getNewValue()));
changes.stream().filter(ch -> ch.getAttribute().equals(metamodelMocks.forOwlClassQ().qStringAtt()))
.forEach(ch -> assertEquals(testQClone.getStringAttribute(), ch.getNewValue()));
changes.stream().filter(ch -> ch.getAttribute().equals(metamodelMocks.forOwlClassQ().qParentStringAtt()))
.forEach(ch -> assertEquals(testQClone.getParentString(), ch.getNewValue()));
}
@Test
public void calculateChangesDetectsChangesInMappedSuperclassObjectPropertyField() {
final OWLClassQ testQClone = new OWLClassQ();
testQClone.setUri(testQ.getUri());
testQClone.setStringAttribute(testQ.getStringAttribute());
testQClone.setParentString(testQ.getParentString());
testQClone.setLabel(testQ.getLabel());
final OWLClassA newA = new OWLClassA();
newA.setUri(URI.create("http://krizik.felk.cvut.cz/ontologies/jopa#newA"));
testQClone.setOwlClassA(newA);
final ObjectChangeSet changeSet = createChangeSet(testQ, testQClone);
final boolean res = manager.calculateChanges(changeSet);
assertTrue(res);
final Set<ChangeRecord> changes = changeSet.getChanges();
assertEquals(1, changes.size());
verifyChangeSetContainsChangeOfAttribute(metamodelMocks.forOwlClassQ().qOwlClassAAtt(), changeSet);
assertEquals(newA, changes.iterator().next().getNewValue());
}
}