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ListHandlerTestBase.java
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ListHandlerTestBase.java
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package cz.cvut.kbss.ontodriver.jena.list;
import cz.cvut.kbss.ontodriver.descriptor.ListDescriptor;
import cz.cvut.kbss.ontodriver.descriptor.ListValueDescriptor;
import cz.cvut.kbss.ontodriver.jena.connector.StorageConnector;
import cz.cvut.kbss.ontodriver.jena.environment.Generator;
import cz.cvut.kbss.ontodriver.model.Assertion;
import cz.cvut.kbss.ontodriver.model.Axiom;
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.Test;
import org.mockito.Mock;
import java.net.URI;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static org.apache.jena.rdf.model.ResourceFactory.createProperty;
import static org.apache.jena.rdf.model.ResourceFactory.createResource;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.anyListOf;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
abstract class ListHandlerTestBase<D extends ListDescriptor, V extends ListValueDescriptor> {
static final NamedResource OWNER = NamedResource.create(Generator.generateUri());
static final Assertion HAS_LIST = Assertion.createObjectPropertyAssertion(Generator.generateUri(), false);
static final Assertion HAS_NEXT = Assertion.createObjectPropertyAssertion(Generator.generateUri(), false);
static final Resource OWNER_RESOURCE = createResource(OWNER.getIdentifier().toString());
static final Property HAS_LIST_PROPERTY = createProperty(HAS_LIST.getIdentifier().toString());
static final Property HAS_NEXT_PROPERTY = createProperty(HAS_NEXT.getIdentifier().toString());
@Mock
StorageConnector connectorMock;
ListTestUtil listUtil;
ListHandler<D, V> handler;
public void setUp() {
this.listUtil = new ListTestUtil(OWNER_RESOURCE, HAS_LIST_PROPERTY, HAS_NEXT_PROPERTY, connectorMock);
}
@Test
public void loadListRetrievesAllListElements() {
final List<URI> expected = generateList(null);
final List<Axiom<NamedResource>> result = handler.loadList(listDescriptor());
final List<URI> actual = result.stream().map(ax -> ax.getValue().getValue().getIdentifier())
.collect(Collectors.toList());
assertEquals(expected, actual);
}
abstract List<URI> generateList(String context);
abstract D listDescriptor();
@Test
public void loadListFromContextRetrievesAllListElements() {
final URI context = Generator.generateUri();
final List<URI> expected = generateList(context.toString());
final D descriptor = listDescriptor();
descriptor.setContext(context);
final List<Axiom<NamedResource>> result = handler.loadList(descriptor);
final List<URI> actual = result.stream().map(ax -> ax.getValue().getValue().getIdentifier())
.collect(Collectors.toList());
assertEquals(expected, actual);
}
@Test
public void persistListInsertsStatementsCorrespondingToList() {
final List<URI> list = IntStream.range(0, 5).mapToObj(i -> Generator.generateUri())
.collect(Collectors.toList());
final V descriptor = listValueDescriptor();
list.forEach(item -> descriptor.addValue(NamedResource.create(item)));
handler.persistList(descriptor);
final List<Statement> expected = getExpectedStatementsForPersist(list);
verify(connectorMock).add(expected);
}
abstract V listValueDescriptor();
abstract List<Statement> getExpectedStatementsForPersist(List<URI> list);
@Test
public void persistListDoesNothingForEmptyDescriptor() {
final V descriptor = listValueDescriptor();
handler.persistList(descriptor);
verify(connectorMock, never()).add(anyListOf(Statement.class));
}
@Test
public void persistListWithContextInsertsStatementsCorrespondingToListIntoContext() {
final List<URI> list = IntStream.range(0, 5).mapToObj(i -> Generator.generateUri())
.collect(Collectors.toList());
final V descriptor = listValueDescriptor();
list.forEach(item -> descriptor.addValue(NamedResource.create(item)));
final URI context = Generator.generateUri();
descriptor.setContext(context);
handler.persistList(descriptor);
final List<Statement> expected = getExpectedStatementsForPersist(list);
verify(connectorMock).add(expected, context.toString());
}
}