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ReferencedListHandlerTest.java
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ReferencedListHandlerTest.java
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package cz.cvut.kbss.ontodriver.jena.list;
import cz.cvut.kbss.ontodriver.descriptor.ReferencedListDescriptor;
import cz.cvut.kbss.ontodriver.descriptor.ReferencedListDescriptorImpl;
import cz.cvut.kbss.ontodriver.descriptor.ReferencedListValueDescriptor;
import cz.cvut.kbss.ontodriver.jena.environment.Generator;
import cz.cvut.kbss.ontodriver.model.Assertion;
import cz.cvut.kbss.ontodriver.model.NamedResource;
import org.apache.jena.rdf.model.Property;
import org.apache.jena.rdf.model.Resource;
import org.apache.jena.rdf.model.Statement;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.MockitoAnnotations;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import static org.apache.jena.rdf.model.ResourceFactory.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
public class ReferencedListHandlerTest
extends ListHandlerTestBase<ReferencedListDescriptor, ReferencedListValueDescriptor> {
private static final Assertion HAS_CONTENT = Assertion
.createObjectPropertyAssertion(Generator.generateUri(), false);
private static final Property HAS_CONTENT_PROPERTY = createProperty(HAS_CONTENT.getIdentifier().toString());
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
this.handler = new ReferencedListHandler(connectorMock);
super.setUp();
listUtil.setHasContent(HAS_CONTENT_PROPERTY);
}
@Override
List<URI> generateList(String context) {
if (context != null) {
return listUtil.generateReferencedList(context);
} else {
return listUtil.generateReferencedList();
}
}
@Override
ReferencedListDescriptor listDescriptor() {
return new ReferencedListDescriptorImpl(OWNER, HAS_LIST, HAS_NEXT, HAS_CONTENT);
}
@Override
ReferencedListValueDescriptor listValueDescriptor() {
return new ReferencedListValueDescriptor(OWNER, HAS_LIST, HAS_NEXT, HAS_CONTENT);
}
@Test
public void persistListInsertsStatementsCorrespondingToList() {
final List<URI> list = listUtil.generateList();
final ReferencedListValueDescriptor descriptor = listValueDescriptor();
list.forEach(item -> descriptor.addValue(NamedResource.create(item)));
handler.persistList(descriptor);
final ArgumentCaptor<List> captor = ArgumentCaptor.forClass(List.class);
verify(connectorMock).add(captor.capture(), eq(null));
final List<Statement> added = captor.getValue();
verifyAddedStatements(list, added);
}
private void verifyAddedStatements(List<URI> list, List<Statement> added) {
for (URI value : list) {
assertTrue(added.stream().anyMatch(s -> s.getObject().asResource().getURI().equals(value.toString()) &&
s.getPredicate().equals(HAS_CONTENT_PROPERTY)));
}
}
@Test
public void persistListWithContextInsertsStatementsCorrespondingToListIntoContext() {
final List<URI> list = listUtil.generateList();
final ReferencedListValueDescriptor descriptor = listValueDescriptor();
list.forEach(item -> descriptor.addValue(NamedResource.create(item)));
final URI context = Generator.generateUri();
descriptor.setContext(context);
handler.persistList(descriptor);
final ArgumentCaptor<List> captor = ArgumentCaptor.forClass(List.class);
verify(connectorMock).add(captor.capture(), eq(context.toString()));
final List<Statement> added = captor.getValue();
verifyAddedStatements(list, added);
}
@Test
public void updateListAddsNodeWithContentToEnd() {
final List<URI> list = generateList(null);
final URI newItem = Generator.generateUri();
final ReferencedListValueDescriptor descriptor = listValueDescriptor();
list.forEach(item -> descriptor.addValue(NamedResource.create(item)));
descriptor.addValue(NamedResource.create(newItem));
handler.updateList(descriptor);
final ArgumentCaptor<List> captor = ArgumentCaptor.forClass(List.class);
verify(connectorMock).add(captor.capture(), eq(null));
final List<Statement> added = captor.getValue();
assertEquals(2, added.size());
final List<Resource> nodes = listUtil.getReferencedListNodes();
assertEquals(nodes.get(nodes.size() - 1), added.get(0).getSubject());
assertEquals(HAS_NEXT_PROPERTY, added.get(0).getPredicate());
assertEquals(HAS_CONTENT_PROPERTY, added.get(1).getPredicate());
assertEquals(createResource(newItem.toString()), added.get(1).getObject());
}
@Test
public void updateListRemovesRemainingExistingNodes() {
final List<URI> list = generateList(null);
final ReferencedListValueDescriptor descriptor =
new ReferencedListValueDescriptor(OWNER, HAS_LIST, HAS_NEXT, HAS_CONTENT);
final List<URI> update = list.subList(0, list.size() / 2);
update.forEach(item -> descriptor.addValue(NamedResource.create(item)));
handler.updateList(descriptor);
for (int i = update.size(); i < list.size(); i++) {
verify(connectorMock).remove(listUtil.getReferencedListNodes().get(i - 1), HAS_NEXT_PROPERTY,
listUtil.getReferencedListNodes().get(i), null);
verify(connectorMock).remove(listUtil.getReferencedListNodes().get(i), HAS_CONTENT_PROPERTY, null, null);
}
}
@Test
public void updateReplacesModifiedNodeContent() {
final List<URI> list = generateList(null);
final ReferencedListValueDescriptor descriptor =
new ReferencedListValueDescriptor(OWNER, HAS_LIST, HAS_NEXT, HAS_CONTENT);
final List<URI> update = new ArrayList<>(list);
final URI replace = Generator.generateUri();
final int index = Generator.randomInt(list.size());
update.set(index, replace);
update.forEach(item -> descriptor.addValue(NamedResource.create(item)));
handler.updateList(descriptor);
verify(connectorMock).remove(listUtil.getReferencedListNodes().get(index), HAS_CONTENT_PROPERTY, null, null);
final Statement added = createStatement(listUtil.getReferencedListNodes().get(index), HAS_CONTENT_PROPERTY,
createResource(replace.toString()));
verify(connectorMock).add(Collections.singletonList(added), null);
}
@Test
public void updateClearsOriginalListWhenUpdateIsEmpty() {
final List<URI> list = generateList(null);
final ReferencedListValueDescriptor descriptor =
new ReferencedListValueDescriptor(OWNER, HAS_LIST, HAS_NEXT, HAS_CONTENT);
handler.updateList(descriptor);
for (int i = 0; i < list.size(); i++) {
final Resource node = listUtil.getReferencedListNodes().get(i);
if (i == 0) {
verify(connectorMock)
.remove(createResource(OWNER.getIdentifier().toString()), HAS_LIST_PROPERTY, node, null);
} else {
verify(connectorMock)
.remove(listUtil.getReferencedListNodes().get(i - 1), HAS_NEXT_PROPERTY, node, null);
}
verify(connectorMock).remove(node, HAS_CONTENT_PROPERTY, null, null);
}
}
@Test
public void updatePersistsListWhenOriginalWasEmpty() {
final ReferencedListValueDescriptor descriptor =
new ReferencedListValueDescriptor(OWNER, HAS_LIST, HAS_NEXT, HAS_CONTENT);
final List<URI> list = listUtil.generateList();
list.forEach(u -> descriptor.addValue(NamedResource.create(u)));
handler.updateList(descriptor);
final ArgumentCaptor<List> captor = ArgumentCaptor.forClass(List.class);
verify(connectorMock).add(captor.capture(), eq(null));
final List<Statement> added = captor.getValue();
verifyAddedStatements(list, added);
}
@Test
public void updateListWorksInContext() {
final URI context = Generator.generateUri();
final List<URI> list = generateList(context.toString());
final ReferencedListValueDescriptor descriptor =
new ReferencedListValueDescriptor(OWNER, HAS_LIST, HAS_NEXT, HAS_CONTENT);
descriptor.setContext(context);
final URI firstReplaced = Generator.generateUri();
descriptor.addValue(NamedResource.create(firstReplaced));
list.subList(1, list.size()).forEach(item -> descriptor.addValue(NamedResource.create(item)));
final URI added = Generator.generateUri();
descriptor.addValue(NamedResource.create(added));
handler.updateList(descriptor);
final List<Resource> nodes = listUtil.getReferencedListNodes();
verify(connectorMock)
.remove(nodes.get(0), HAS_CONTENT_PROPERTY, null, context.toString());
verify(connectorMock).add(Collections.singletonList(
createStatement(nodes.get(0), HAS_CONTENT_PROPERTY,
createResource(firstReplaced.toString()))), context.toString());
final ArgumentCaptor<List> captor = ArgumentCaptor.forClass(List.class);
verify(connectorMock, times(2)).add(captor.capture(), eq(context.toString()));
final List<Statement> statementsInserted =
captor.getAllValues().get(1); // First was the content insert in list head
assertEquals(nodes.get(nodes.size() - 1), statementsInserted.get(0).getSubject());
assertEquals(HAS_NEXT_PROPERTY, statementsInserted.get(0).getPredicate());
assertEquals(statementsInserted.get(0).getObject(), statementsInserted.get(1).getSubject());
assertEquals(HAS_CONTENT_PROPERTY, statementsInserted.get(1).getPredicate());
assertEquals(added.toString(), statementsInserted.get(1).getObject().asResource().getURI());
}
}