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SimpleListHandlerTest.java
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SimpleListHandlerTest.java
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package cz.cvut.kbss.ontodriver.jena.list;
import cz.cvut.kbss.ontodriver.descriptor.SimpleListDescriptor;
import cz.cvut.kbss.ontodriver.descriptor.SimpleListDescriptorImpl;
import cz.cvut.kbss.ontodriver.descriptor.SimpleListValueDescriptor;
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.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static org.apache.jena.rdf.model.ResourceFactory.*;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.anyListOf;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
public class SimpleListHandlerTest {
private static final NamedResource RESOURCE = NamedResource.create(Generator.generateUri());
private static final Assertion HAS_LIST = Assertion.createObjectPropertyAssertion(Generator.generateUri(), false);
private static final Assertion HAS_NEXT = Assertion.createObjectPropertyAssertion(Generator.generateUri(), false);
@Mock
private StorageConnector connectorMock;
private SimpleListHandler handler;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
this.handler = new SimpleListHandler(connectorMock);
}
@Test
public void loadListRetrievesAllListElements() {
final List<URI> expected = generateList(null);
final List<Axiom<NamedResource>> result = handler
.loadList(new SimpleListDescriptorImpl(RESOURCE, HAS_LIST, HAS_NEXT));
final List<URI> actual = result.stream().map(ax -> ax.getValue().getValue().getIdentifier())
.collect(Collectors.toList());
assertEquals(expected, actual);
}
private List<URI> generateList(String context) {
final Property hasList = createProperty(HAS_LIST.getIdentifier().toString());
final Property hasNext = createProperty(HAS_NEXT.getIdentifier().toString());
final Resource owner = createResource(RESOURCE.getIdentifier().toString());
if (context != null) {
return ListTestUtil.generateSimpleList(owner, hasList, hasNext, connectorMock, context);
} else {
return ListTestUtil.generateSimpleList(owner, hasList, hasNext, connectorMock);
}
}
@Test
public void loadListFromContextRetrievesAllListElements() {
final URI context = Generator.generateUri();
final List<URI> expected = generateList(context.toString());
final SimpleListDescriptor descriptor = new SimpleListDescriptorImpl(RESOURCE, HAS_LIST, HAS_NEXT);
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 SimpleListValueDescriptor descriptor = new SimpleListValueDescriptor(RESOURCE, HAS_LIST, HAS_NEXT);
list.forEach(item -> descriptor.addValue(NamedResource.create(item)));
handler.persistList(descriptor);
final List<Statement> expected = getExpectedStatementsForPersist(list);
verify(connectorMock).add(expected);
}
private List<Statement> getExpectedStatementsForPersist(List<URI> list) {
final List<Statement> expected = new ArrayList<>(list.size());
expected.add(createStatement(createResource(RESOURCE.getIdentifier().toString()),
createProperty(HAS_LIST.getIdentifier().toString()), createResource(list.get(0).toString())));
final Property hasNext = createProperty(HAS_NEXT.getIdentifier().toString());
for (int i = 0; i < list.size() - 1; i++) {
expected.add(createStatement(createResource(list.get(i).toString()), hasNext,
createResource(list.get(i + 1).toString())));
}
return expected;
}
@Test
public void persistListDoesNothingForEmptyDescriptor() {
final SimpleListValueDescriptor descriptor = new SimpleListValueDescriptor(RESOURCE, HAS_LIST, HAS_NEXT);
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 SimpleListValueDescriptor descriptor = new SimpleListValueDescriptor(RESOURCE, HAS_LIST, HAS_NEXT);
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());
}
}