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JenaAdapterTest.java
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JenaAdapterTest.java
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package cz.cvut.kbss.ontodriver.jena;
import cz.cvut.kbss.ontodriver.descriptor.AxiomDescriptor;
import cz.cvut.kbss.ontodriver.descriptor.AxiomValueDescriptor;
import cz.cvut.kbss.ontodriver.jena.connector.StorageConnector;
import cz.cvut.kbss.ontodriver.jena.environment.Generator;
import cz.cvut.kbss.ontodriver.model.*;
import org.apache.jena.rdf.model.ResourceFactory;
import org.apache.jena.rdf.model.Statement;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.net.URI;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyListOf;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
public class JenaAdapterTest {
private static final NamedResource SUBJECT = NamedResource.create(Generator.generateUri());
@Rule
public ExpectedException thrown = ExpectedException.none();
@Mock
private StorageConnector connectorMock;
private JenaAdapter adapter;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
this.adapter = new JenaAdapter(connectorMock);
}
@Test
public void persistBeginsTransaction() {
final AxiomValueDescriptor descriptor = new AxiomValueDescriptor(SUBJECT);
adapter.persist(descriptor);
verify(connectorMock).begin();
}
@Test
public void persistGeneratesStatementsAndPassesThemToConnectorForPersist() {
final AxiomValueDescriptor descriptor = new AxiomValueDescriptor(SUBJECT);
final Assertion a = Assertion.createClassAssertion(false);
final NamedResource type = NamedResource.create(Generator.generateUri());
descriptor.addAssertionValue(a, new Value<>(type));
adapter.persist(descriptor);
final ArgumentCaptor<List> captor = ArgumentCaptor.forClass(List.class);
verify(connectorMock).add(captor.capture());
final List<Statement> arg = captor.getValue();
assertEquals(1, arg.size());
}
@Test
public void commitDataToStorage() throws Exception {
final AxiomValueDescriptor descriptor = new AxiomValueDescriptor(SUBJECT);
final Assertion a = Assertion.createClassAssertion(false);
final NamedResource type = NamedResource.create(Generator.generateUri());
descriptor.addAssertionValue(a, new Value<>(type));
adapter.persist(descriptor);
adapter.commit();
verify(connectorMock).add(anyListOf(Statement.class));
verify(connectorMock).commit();
}
@Test
public void commitDoesNothingWhenTransactionIsNotActive() throws Exception {
adapter.commit();
verify(connectorMock, never()).commit();
}
@Test
public void rollbackRollsBackChanges() throws Exception {
final AxiomValueDescriptor descriptor = new AxiomValueDescriptor(SUBJECT);
final Assertion a = Assertion.createClassAssertion(false);
final NamedResource type = NamedResource.create(Generator.generateUri());
descriptor.addAssertionValue(a, new Value<>(type));
adapter.persist(descriptor);
adapter.rollback();
verify(connectorMock).add(anyListOf(Statement.class));
verify(connectorMock).rollback();
verify(connectorMock, never()).commit();
}
@Test
public void rollbackDoesNothingWhenTransactionIsNotActive() {
adapter.rollback();
verify(connectorMock, never()).rollback();
}
@Test
public void closeClosesConnector() throws Exception {
adapter.close();
verify(connectorMock).close();
}
@Test
public void containsStartsTransactionWhenItIsNotActive() {
final String typeUri = Generator.generateUri().toString();
final Axiom<?> ax = new AxiomImpl<>(SUBJECT, Assertion.createClassAssertion(false),
new Value<>(NamedResource.create(typeUri)));
adapter.contains(ax, Generator.generateUri());
verify(connectorMock).begin();
}
@Test
public void containsChecksForStatementExistence() {
final String typeUri = Generator.generateUri().toString();
final Axiom<?> ax = new AxiomImpl<>(SUBJECT, Assertion.createClassAssertion(false),
new Value<>(NamedResource.create(typeUri)));
when(connectorMock.contains(any(), any(), any())).thenReturn(true);
assertTrue(adapter.contains(ax, null));
}
@Test
public void getContextsListsContextsFromConnectorAndTransformsThemToUris() {
final List<String> contexts = IntStream.range(0, 5).mapToObj(i -> Generator.generateUri().toString()).collect(
Collectors.toList());
when(connectorMock.getContexts()).thenReturn(contexts);
final List<URI> result = adapter.getContext();
assertEquals(contexts.size(), result.size());
result.forEach(u -> assertTrue(contexts.contains(u.toString())));
}
@Test
public void unwrapReturnsAdapterInstanceWhenTargetClassMatches() throws Exception {
final JenaAdapter result = adapter.unwrap(JenaAdapter.class);
assertSame(adapter, result);
}
@Test
public void findLoadsAxiomsFromStorage() {
final AxiomDescriptor descriptor = new AxiomDescriptor(SUBJECT);
final Assertion assertion = Assertion.createObjectPropertyAssertion(Generator.generateUri(), false);
descriptor.addAssertion(assertion);
final Statement s = ResourceFactory
.createStatement(ResourceFactory.createResource(SUBJECT.getIdentifier().toString()), ResourceFactory
.createProperty(assertion.getIdentifier().toString()),
ResourceFactory.createResource(Generator.generateUri().toString()));
when(connectorMock.find(any(), any(), any())).thenReturn(Collections.singletonList(s));
final Collection<Axiom<?>> result = adapter.find(descriptor);
assertEquals(1, result.size());
final Axiom<?> axiom = result.iterator().next();
assertEquals(SUBJECT, axiom.getSubject());
assertEquals(assertion, axiom.getAssertion());
assertEquals(s.getObject().asResource().getURI(), axiom.getValue().stringValue());
verify(connectorMock).find(ResourceFactory.createResource(SUBJECT.getIdentifier().toString()), null, null);
}
}