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SharedStorageConnectorTest.java
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SharedStorageConnectorTest.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.ontodriver.jena.connector;
import cz.cvut.kbss.ontodriver.ResultSet;
import cz.cvut.kbss.ontodriver.Statement.StatementOntology;
import cz.cvut.kbss.ontodriver.config.DriverConfiguration;
import cz.cvut.kbss.ontodriver.jena.config.JenaConfigParam;
import cz.cvut.kbss.ontodriver.jena.environment.Generator;
import cz.cvut.kbss.ontodriver.jena.exception.JenaDriverException;
import org.apache.jena.graph.Graph;
import org.apache.jena.query.Dataset;
import org.apache.jena.query.Query;
import org.apache.jena.query.QueryFactory;
import org.apache.jena.rdf.model.ResourceFactory;
import org.apache.jena.rdf.model.Statement;
import org.apache.jena.vocabulary.RDF;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import static cz.cvut.kbss.ontodriver.jena.connector.StorageTestUtil.*;
import static org.apache.jena.rdf.model.ResourceFactory.createResource;
import static org.apache.jena.rdf.model.ResourceFactory.createStatement;
import static org.hamcrest.CoreMatchers.containsString;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
public class SharedStorageConnectorTest {
@Rule
public ExpectedException thrown = ExpectedException.none();
@Test
public void initializationCreatesStorageAccessor() {
final SharedStorageConnector connector = initConnector();
assertNotNull(connector.storage);
assertTrue(connector.isOpen());
}
private SharedStorageConnector initConnector() {
final DriverConfiguration configuration = StorageTestUtil.createConfiguration("test:uri");
final SharedStorageConnector connector = new SharedStorageConnector(configuration);
connector.storage = spy(connector.storage);
return connector;
}
@Test
public void findFiltersStatementsFromDatasetDefaultModel() {
final SharedStorageConnector connector = initConnector();
final Dataset ds = connector.storage.getDataset();
generateTestData(ds);
final Collection<Statement> result = connector.find(RESOURCE, null, null, null);
assertFalse(result.isEmpty());
}
@Test
public void findInContextFiltersStatementsInTargetContext() {
final SharedStorageConnector connector = initConnector();
final Dataset ds = connector.storage.getDataset();
generateTestData(ds);
final Collection<Statement> result = connector.find(RESOURCE, null, null, NAMED_GRAPH);
assertFalse(result.isEmpty());
}
@Test
public void findInContextReturnsEmptyCollectionForUnknownContext() {
final SharedStorageConnector connector = initConnector();
final Dataset ds = connector.storage.getDataset();
generateTestData(ds);
final Collection<Statement> result = connector.find(RESOURCE, null, null, "http://unknownGraph");
assertNotNull(result);
assertTrue(result.isEmpty());
}
@Test
public void containsChecksForStatementExistenceInDefaultGraph() {
final SharedStorageConnector connector = initConnector();
final Dataset ds = connector.unwrap(Dataset.class);
generateTestData(ds);
assertTrue(connector.contains(null, RDF.type, createResource(TYPE_ONE), null));
}
@Test
public void containsChecksForStatementExistenceInTargetNamedGraph() {
final SharedStorageConnector connector = initConnector();
final Dataset ds = connector.storage.getDataset();
generateTestData(ds);
assertTrue(connector.contains(null, null, createResource(TYPE_TWO), NAMED_GRAPH));
}
@Test
public void closeClosesUnderlyingStorageAccessor() {
final SharedStorageConnector connector = initConnector();
assertTrue(connector.isOpen());
connector.close();
assertFalse(connector.isOpen());
verify(connector.storage).close();
}
@Test
public void addAddsStatementsToDataset() {
final SharedStorageConnector connector = initConnector();
final Statement statement = ResourceFactory.createStatement(RESOURCE, RDF.type, createResource(TYPE_TWO));
assertFalse(connector.storage.getDataset().getDefaultModel().contains(statement));
connector.begin();
connector.add(Collections.singletonList(statement), null);
assertTrue(connector.storage.getDataset().getDefaultModel().contains(statement));
}
@Test
public void addAddsStatementsToTargetModelInDataset() {
final SharedStorageConnector connector = initConnector();
final Statement statement = ResourceFactory.createStatement(RESOURCE, RDF.type, createResource(TYPE_TWO));
assertFalse(connector.storage.getDataset().getNamedModel(NAMED_GRAPH).contains(statement));
connector.begin();
connector.add(Collections.singletonList(statement), NAMED_GRAPH);
assertTrue(connector.storage.getDataset().getNamedModel(NAMED_GRAPH).contains(statement));
}
@Test
public void removeRemovesStatementsFromDataset() {
final SharedStorageConnector connector = initConnector();
final Dataset ds = connector.storage.getDataset();
generateTestData(ds);
final Statement statement = ResourceFactory.createStatement(RESOURCE, RDF.type, createResource(TYPE_ONE));
assertTrue(connector.storage.getDataset().getDefaultModel().contains(statement));
connector.begin();
connector.remove(Collections.singletonList(statement), null);
assertFalse(connector.storage.getDataset().getDefaultModel().contains(statement));
}
@Test
public void removeRemovesStatementsFromTargetModelInDataset() {
final SharedStorageConnector connector = initConnector();
final Dataset ds = connector.storage.getDataset();
generateTestData(ds);
final Statement statement = ResourceFactory.createStatement(RESOURCE, RDF.type, createResource(TYPE_TWO));
assertTrue(connector.storage.getDataset().getNamedModel(NAMED_GRAPH).contains(statement));
connector.begin();
connector.remove(Collections.singletonList(statement), NAMED_GRAPH);
assertFalse(connector.storage.getDataset().getNamedModel(NAMED_GRAPH).contains(statement));
}
@Test
public void removeRemovesStatementsMatchingSpecifiedArgumentsFromDataset() {
final SharedStorageConnector connector = initConnector();
final Dataset ds = connector.storage.getDataset();
generateTestData(ds);
assertTrue(ds.getDefaultModel().contains(RESOURCE, RDF.type, createResource(TYPE_ONE)));
connector.begin();
connector.remove(RESOURCE, RDF.type, null, null);
assertFalse(ds.getDefaultModel().contains(RESOURCE, RDF.type, createResource(TYPE_ONE)));
}
@Test
public void removeRemovesStatementsMatchingSpecifiedArgumentsFromTargetGraph() {
final SharedStorageConnector connector = initConnector();
final Dataset ds = connector.storage.getDataset();
generateTestData(ds);
assertTrue(ds.getNamedModel(NAMED_GRAPH).contains(RESOURCE, RDF.type, createResource(TYPE_TWO)));
connector.begin();
connector.remove(RESOURCE, RDF.type, null, NAMED_GRAPH);
assertFalse(ds.getNamedModel(NAMED_GRAPH).contains(RESOURCE, RDF.type, createResource(TYPE_TWO)));
}
@Test
public void beginStartsDatasetWriteTransaction() {
final SharedStorageConnector connector = initConnector();
connector.begin();
assertTrue(connector.storage.getDataset().isInTransaction());
}
@Test
public void commitCommitsDatasetWriteTransaction() throws Exception {
final SharedStorageConnector connector = initConnector();
connector.begin();
assertTrue(connector.storage.getDataset().isInTransaction());
final Statement statement = ResourceFactory.createStatement(RESOURCE, RDF.type, createResource(TYPE_TWO));
connector.add(Collections.singletonList(statement), null);
connector.commit();
assertFalse(connector.storage.getDataset().isInTransaction());
assertTrue(connector.storage.getDataset().getDefaultModel().contains(statement));
}
@Test
public void commitWritesChangesToUnderlyingRepository() throws Exception {
final SharedStorageConnector connector = initConnector();
connector.begin();
final Statement statement = ResourceFactory.createStatement(RESOURCE, RDF.type, createResource(TYPE_TWO));
connector.add(Collections.singletonList(statement), null);
connector.commit();
verify(connector.storage).writeChanges();
}
@Test
public void rollbackRollsBackChangesInDataset() {
final SharedStorageConnector connector = initConnector();
connector.begin();
final Statement statement = ResourceFactory.createStatement(RESOURCE, RDF.type, createResource(TYPE_TWO));
connector.add(Collections.singletonList(statement), null);
assertTrue(connector.storage.getDataset().getDefaultModel().contains(statement));
connector.rollback();
assertFalse(connector.storage.getDataset().getDefaultModel().contains(statement));
}
@Test
public void getContextsListsContextInRepository() throws Exception {
final SharedStorageConnector connector = initConnector();
connector.begin();
final String ctxOne = Generator.generateUri().toString();
final Statement statementOne = ResourceFactory.createStatement(RESOURCE, RDF.type, createResource(TYPE_ONE));
final Statement statementTwo = ResourceFactory.createStatement(RESOURCE, RDF.type, createResource(TYPE_TWO));
connector.add(Collections.singletonList(statementOne), ctxOne);
connector.add(Collections.singletonList(statementTwo), NAMED_GRAPH);
connector.commit();
final List<String> contexts = connector.getContexts();
assertTrue(contexts.contains(ctxOne));
assertTrue(contexts.contains(NAMED_GRAPH));
}
@Test
public void getContextReturnsEmptyListWhenNoNamedGraphsArePresent() {
final SharedStorageConnector connector = initConnector();
final List<String> contexts = connector.getContexts();
assertNotNull(contexts);
assertTrue(contexts.isEmpty());
}
@Test
public void unwrapReturnsConnectorInstanceWhenClassMatches() {
final SharedStorageConnector connector = initConnector();
final StorageConnector result = connector.unwrap(StorageConnector.class);
assertSame(connector, result);
}
@Test
public void unwrapReturnsDatasetInstanceWhenClassMatches() {
final SharedStorageConnector connector = initConnector();
final Dataset result = connector.unwrap(Dataset.class);
assertSame(connector.storage.dataset, result);
}
@Test
public void unwrapThrowsUnsupportedOperationExceptionWhenTargetClassIsNotSupported() {
thrown.expect(UnsupportedOperationException.class);
final SharedStorageConnector connector = initConnector();
connector.unwrap(Graph.class);
}
@Test
public void removeOnDefaultDeletesStatementsFromNamedGraphWhenDefaultAsUnionIsSet() throws Exception {
final DriverConfiguration configuration = StorageTestUtil.createConfiguration("test:uri");
configuration.setProperty(JenaConfigParam.TREAT_DEFAULT_GRAPH_AS_UNION, Boolean.toString(true));
final SharedStorageConnector connector = new SharedStorageConnector(configuration);
generateTestData(connector.storage.getDataset());
connector.begin();
connector.remove(RESOURCE, null, null, null);
connector.commit();
assertFalse(connector.storage.getDataset().getDefaultModel()
.contains(RESOURCE, RDF.type, createResource(TYPE_ONE)));
assertFalse(connector.storage.getDataset().getNamedModel(NAMED_GRAPH)
.contains(RESOURCE, RDF.type, createResource(TYPE_TWO)));
}
@Test
public void removeOnDefaultDeletesStatementsOnlyFromDefaultWhenDefaultAsUnionIsNotSet() throws Exception {
final SharedStorageConnector connector = initConnector();
generateTestData(connector.storage.getDataset());
connector.begin();
connector.remove(RESOURCE, null, null, null);
connector.commit();
assertFalse(connector.storage.getDataset().getDefaultModel()
.contains(RESOURCE, RDF.type, createResource(TYPE_ONE)));
assertTrue(connector.storage.getDataset().getNamedModel(NAMED_GRAPH)
.contains(RESOURCE, RDF.type, createResource(TYPE_TWO)));
}
@Test
public void removeStatementsOnDefaultDeletesThemFromNamedGraphsWhenDefaultAsUnionIsSet() throws Exception {
final DriverConfiguration configuration = StorageTestUtil.createConfiguration("test:uri");
configuration.setProperty(JenaConfigParam.TREAT_DEFAULT_GRAPH_AS_UNION, Boolean.toString(true));
final SharedStorageConnector connector = new SharedStorageConnector(configuration);
generateTestData(connector.storage.getDataset());
connector.begin();
connector.remove(Arrays.asList(
createStatement(RESOURCE, RDF.type, createResource(TYPE_ONE)),
createStatement(RESOURCE, RDF.type, createResource(TYPE_TWO))
), null);
connector.commit();
assertFalse(connector.storage.getDataset().getDefaultModel()
.contains(RESOURCE, RDF.type, createResource(TYPE_ONE)));
assertFalse(connector.storage.getDataset().getNamedModel(NAMED_GRAPH)
.contains(RESOURCE, RDF.type, createResource(TYPE_TWO)));
}
@Test
public void removeStatementsOnDefaultRemovesThenOnlyFromDefaultWhenDefaultAsUnionIsNotSet() throws Exception {
final SharedStorageConnector connector = initConnector();
generateTestData(connector.storage.getDataset());
connector.begin();
connector.remove(Arrays.asList(
createStatement(RESOURCE, RDF.type, createResource(TYPE_ONE)),
createStatement(RESOURCE, RDF.type, createResource(TYPE_TWO))
), null);
connector.commit();
assertFalse(connector.storage.getDataset().getDefaultModel()
.contains(RESOURCE, RDF.type, createResource(TYPE_ONE)));
assertTrue(connector.storage.getDataset().getNamedModel(NAMED_GRAPH)
.contains(RESOURCE, RDF.type, createResource(TYPE_TWO)));
}
@Test
public void executeSelectQueryReturnsQueryResultSet() throws Exception {
final SharedStorageConnector connector = initConnector();
generateTestData(connector.storage.getDataset());
final Query query = QueryFactory.create("SELECT * WHERE { ?x a <" + TYPE_ONE + "> . }");
try (ResultSet result = connector.executeSelectQuery(query, StatementOntology.CENTRAL)) {
assertNotNull(result);
assertTrue(result.hasNext());
result.next();
assertEquals(SUBJECT, result.getString("x"));
}
}
@Test
public void executeSelectQueryThrowsJenaDriverExceptionWhenQueryFails() throws Exception {
final SharedStorageConnector connector = initConnector();
generateTestData(connector.storage.getDataset());
final Query query = QueryFactory.create("SELECT * WHERE { ?x a <" + TYPE_ONE + "> . }");
thrown.expect(JenaDriverException.class);
thrown.expectMessage(containsString("Execution of query " + query + " failed"));
// Causes NPX in execution
doReturn(null).when(connector.storage).getDataset();
connector.executeSelectQuery(query, StatementOntology.CENTRAL);
}
@Test
public void executeAskQueryReturnsQueryResultSet() throws Exception {
final SharedStorageConnector connector = initConnector();
generateTestData(connector.storage.getDataset());
final Query query = QueryFactory.create("ASK WHERE { ?x a <" + TYPE_ONE + "> . }");
final ResultSet result = connector.executeAskQuery(query, StatementOntology.CENTRAL);
assertNotNull(result);
assertTrue(result.hasNext());
result.next();
assertTrue(result.getBoolean(0));
}
@Test
public void executeAskQueryThrowsJenaDriverExceptionWhenQueryFails() throws Exception {
final SharedStorageConnector connector = initConnector();
generateTestData(connector.storage.getDataset());
final Query query = QueryFactory.create("ASK WHERE { ?x a <" + TYPE_ONE + "> . }");
thrown.expect(JenaDriverException.class);
thrown.expectMessage(containsString("Execution of query " + query + " failed"));
// Causes NPX in execution
doReturn(null).when(connector.storage).getDataset();
connector.executeAskQuery(query, StatementOntology.CENTRAL);
}
@Test
public void executeUpdateUpdatesData() throws Exception {
final SharedStorageConnector connector = initConnector();
generateTestData(connector.storage.getDataset());
final String newType = Generator.generateUri().toString();
final String update = "INSERT DATA { <" + SUBJECT + "> a <" + newType + "> . }";
connector.executeUpdate(update, StatementOntology.CENTRAL);
final Collection<Statement> result = connector.find(RESOURCE, RDF.type, null, null);
assertTrue(result.stream().anyMatch(s -> s.getObject().asResource().getURI().equals(newType)));
}
@Test
public void executeUpdateThrowsJenaDriverExceptionWhenQueryFails() throws Exception {
final SharedStorageConnector connector = initConnector();
generateTestData(connector.storage.getDataset());
final String newType = Generator.generateUri().toString();
// Malformed query
final String update = "INSERT DATA {" + SUBJECT + "> a <" + newType + "> . }";
thrown.expect(JenaDriverException.class);
thrown.expectMessage(containsString("Execution of query " + update + " failed"));
connector.executeUpdate(update, StatementOntology.CENTRAL);
}
@Test
public void reloadStorageReloadsUnderlyingStorage() {
final SharedStorageConnector connector = initConnector();
connector.reloadStorage();
verify(connector.storage).reload();
}
}