| /* |
| * Copyright 2015 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.clerezza.commons.rdf.impl.sparql; |
| |
| import com.hp.hpl.jena.query.DatasetAccessor; |
| import com.hp.hpl.jena.query.DatasetAccessorFactory; |
| import java.io.IOException; |
| import java.net.ServerSocket; |
| import org.apache.jena.fuseki.EmbeddedFusekiServer; |
| import com.hp.hpl.jena.rdf.model.Model; |
| import com.hp.hpl.jena.rdf.model.ModelFactory; |
| import java.io.InputStream; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.clerezza.commons.rdf.BlankNode; |
| import org.apache.clerezza.commons.rdf.BlankNodeOrIRI; |
| import org.apache.clerezza.commons.rdf.Graph; |
| import org.apache.clerezza.commons.rdf.IRI; |
| import org.apache.clerezza.commons.rdf.RDFTerm; |
| import org.apache.clerezza.commons.rdf.Triple; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| /** |
| * |
| * @author reto |
| */ |
| public class SparqlClientTest { |
| |
| final static int serverPort = findFreePort(); |
| static EmbeddedFusekiServer server; |
| |
| @BeforeClass |
| public static void prepare() throws IOException { |
| final String serviceURI = "http://localhost:" + serverPort + "/ds/data"; |
| final DatasetAccessor accessor = DatasetAccessorFactory.createHTTP(serviceURI); |
| final InputStream in = SparqlClientTest.class.getResourceAsStream("grounded.ttl"); |
| final Model m = ModelFactory.createDefaultModel(); |
| String base = "http://example.org/"; |
| m.read(in, base, "TURTLE"); |
| server = EmbeddedFusekiServer.memTDB(serverPort, "/ds");//dataSet.getAbsolutePath()); |
| server.start(); |
| System.out.println("Started fuseki on port " + serverPort); |
| accessor.putModel(m); |
| } |
| |
| @AfterClass |
| public static void cleanup() { |
| server.stop(); |
| } |
| |
| @Test |
| public void select() throws IOException { |
| final SparqlClient sparqlClient = new SparqlClient( |
| "http://localhost:" + serverPort + "/ds/query"); |
| List<Map<String, RDFTerm>> result = sparqlClient.queryResultSet( |
| "SELECT ?name WHERE { " |
| + "<http://example.org/#spiderman> " |
| + "<http://xmlns.com/foaf/0.1/name> ?name}"); |
| Assert.assertEquals("There should be two names", 2, result.size()); |
| } |
| |
| @Test |
| public void ask() throws IOException { |
| final SparqlClient sparqlClient = new SparqlClient( |
| "http://localhost:" + serverPort + "/ds/query"); |
| Object result = sparqlClient.queryResult( |
| "ASK { " |
| + "<http://example.org/#spiderman> " |
| + "<http://xmlns.com/foaf/0.1/name> ?name}"); |
| Assert.assertEquals("ASK should result to true", Boolean.TRUE, result); |
| } |
| |
| public static int findFreePort() { |
| int port = 0; |
| try (ServerSocket server = new ServerSocket(0);) { |
| port = server.getLocalPort(); |
| } catch (Exception e) { |
| throw new RuntimeException("unable to find a free port"); |
| } |
| return port; |
| } |
| |
| } |