| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.jena.fuseki; |
| |
| import static org.apache.jena.fuseki.ServerCtl.serviceGSP; |
| import static org.apache.jena.fuseki.ServerCtl.serviceQuery; |
| import static org.apache.jena.fuseki.ServerTest.gn1; |
| import static org.apache.jena.fuseki.ServerTest.gn2; |
| import static org.apache.jena.fuseki.ServerTest.model1; |
| import static org.apache.jena.fuseki.ServerTest.model2; |
| |
| import java.io.*; |
| import java.net.HttpURLConnection; |
| import java.net.URL; |
| import java.util.Iterator; |
| |
| import org.apache.http.impl.client.CloseableHttpClient; |
| import org.apache.jena.atlas.json.JsonArray; |
| import org.apache.jena.atlas.web.AcceptList; |
| import org.apache.jena.atlas.web.MediaType; |
| import org.apache.jena.graph.Node; |
| import org.apache.jena.graph.Triple; |
| import org.apache.jena.query.*; |
| import org.apache.jena.rdf.model.Model; |
| import org.apache.jena.riot.web.HttpOp; |
| import org.apache.jena.sparql.core.Quad; |
| import org.apache.jena.sparql.core.Var; |
| import org.apache.jena.sparql.engine.binding.Binding; |
| import org.apache.jena.sparql.engine.http.QueryEngineHTTP; |
| import org.apache.jena.sparql.resultset.ResultSetCompare; |
| import org.apache.jena.sparql.sse.SSE; |
| import org.apache.jena.sparql.util.Convert; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| @SuppressWarnings("deprecation") |
| public class TestQuery extends AbstractFusekiTest { |
| |
| @Before |
| public void before() { |
| DatasetAccessor du = DatasetAccessorFactory.createHTTP(serviceGSP()); |
| du.putModel(model1); |
| du.putModel(gn1, model2); |
| } |
| |
| private static final AcceptList quadsOfferTest = DEF.quadsOffer; |
| private static final AcceptList rdfOfferTest = DEF.rdfOffer; |
| |
| @Test |
| public void query_01() { |
| execQuery("SELECT * {?s ?p ?o}", 1); |
| } |
| |
| @Test |
| public void query_recursive_01() { |
| String query = "SELECT * WHERE { SERVICE <" + serviceQuery() + "> { ?s ?p ?o . BIND(?o AS ?x) } }"; |
| try (QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), query)) { |
| ResultSet rs = qExec.execSelect(); |
| Var x = Var.alloc("x"); |
| while (rs.hasNext()) { |
| Binding b = rs.nextBinding(); |
| Assert.assertNotNull(b.get(x)); |
| } |
| } |
| } |
| |
| @Test |
| public void query_with_params_01() { |
| String query = "ASK { }"; |
| try (QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery() + "?output=json", query)) { |
| boolean result = qExec.execAsk(); |
| Assert.assertTrue(result); |
| } |
| } |
| |
| @Test |
| public void request_id_header_01() throws IOException { |
| String qs = Convert.encWWWForm("ASK{}"); |
| URL u = new URL(serviceQuery() + "?query=" + qs); |
| HttpURLConnection conn = (HttpURLConnection)u.openConnection(); |
| Assert.assertTrue(conn.getHeaderField("Fuseki-Request-ID") != null); |
| } |
| |
| @Test |
| public void query_dynamic_dataset_01() { |
| DatasetAccessor du = DatasetAccessorFactory.createHTTP(serviceGSP()); |
| du.putModel(model1); |
| du.putModel(gn1, model2); |
| { |
| String query = "SELECT * { ?s ?p ?o }"; |
| try (QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery() + "?output=json", query)) { |
| ResultSet rs = qExec.execSelect(); |
| Node o = rs.next().getLiteral("o").asNode(); |
| Node n = SSE.parseNode("1"); |
| assertEquals(n, o); |
| } |
| } |
| { |
| String query = "SELECT * FROM <" + gn1 + "> { ?s ?p ?o }"; |
| try (QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery() + "?output=json", query)) { |
| ResultSet rs = qExec.execSelect(); |
| Node o = rs.next().getLiteral("o").asNode(); |
| Node n = SSE.parseNode("2"); |
| assertEquals(n, o); |
| } |
| } |
| } |
| |
| @Test |
| public void query_dynamic_dataset_02() { |
| DatasetAccessor du = DatasetAccessorFactory.createHTTP(serviceGSP()); |
| du.putModel(model1); |
| du.putModel(gn1, model1); |
| du.putModel(gn2, model2); |
| String query = "SELECT * FROM <"+gn1+"> FROM <"+gn2+"> { ?s ?p ?o }"; |
| try (QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery() + "?output=json", query)) { |
| ResultSet rs = qExec.execSelect(); |
| int n = ResultSetFormatter.consume(rs); |
| assertEquals(2, n); |
| } |
| } |
| |
| @Test |
| public void query_construct_quad_01() |
| { |
| String queryString = " CONSTRUCT { GRAPH <http://eg/g> {?s ?p ?oq} } WHERE {?s ?p ?oq}"; |
| Query query = QueryFactory.create(queryString, Syntax.syntaxARQ); |
| |
| try ( QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), query) ) { |
| Iterator<Quad> result = qExec.execConstructQuads(); |
| Assert.assertTrue(result.hasNext()); |
| Assert.assertEquals( "http://eg/g", result.next().getGraph().getURI()); |
| |
| } |
| } |
| |
| @Test |
| public void query_construct_quad_02() |
| { |
| String queryString = " CONSTRUCT { GRAPH <http://eg/g> {?s ?p ?oq} } WHERE {?s ?p ?oq}"; |
| Query query = QueryFactory.create(queryString, Syntax.syntaxARQ); |
| |
| try ( QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), query) ) { |
| Dataset result = qExec.execConstructDataset(); |
| Assert.assertTrue(result.asDatasetGraph().find().hasNext()); |
| Assert.assertEquals( "http://eg/g", result.asDatasetGraph().find().next().getGraph().getURI()); |
| } |
| } |
| |
| @Test |
| public void query_construct_01() |
| { |
| String query = " CONSTRUCT {?s ?p ?o} WHERE {?s ?p ?o}"; |
| try ( QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), query) ) { |
| Iterator<Triple> result = qExec.execConstructTriples(); |
| Assert.assertTrue(result.hasNext()); |
| } |
| } |
| |
| @Test |
| public void query_construct_02() |
| { |
| String query = " CONSTRUCT {?s ?p ?o} WHERE {?s ?p ?o}"; |
| try ( QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), query) ) { |
| Model result = qExec.execConstruct(); |
| assertEquals(1, result.size()); |
| } |
| } |
| |
| @Test |
| public void query_describe_01() { |
| String query = "DESCRIBE ?s WHERE {?s ?p ?o}"; |
| try ( QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), query) ) { |
| Model result = qExec.execDescribe(); |
| assertFalse(result.isEmpty()); |
| } |
| } |
| |
| @Test |
| public void query_describe_02() { |
| String query = "DESCRIBE <http://example/somethingelse> WHERE { }"; |
| try ( QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), query) ) { |
| Model result = qExec.execDescribe(); |
| assertTrue(result.isEmpty()); |
| } |
| } |
| |
| // Conneg tests: |
| // These use independent connection pooling. |
| // Sharing pooling too much leads to lock up if the list is long (contentTypeTriXxml seems significant) |
| // Hence: try (CloseableHttpClient client = HttpOp.createPoolingHttpClient()) { ... qExec.setClient(client); ... } |
| |
| |
| @Test |
| public void query_construct_conneg() throws IOException { |
| try (CloseableHttpClient client = HttpOp.createPoolingHttpClient()) { |
| String query = " CONSTRUCT {?s ?p ?o} WHERE {?s ?p ?o}"; |
| for (MediaType type : rdfOfferTest.entries()) { |
| |
| String contentType = type.toHeaderString(); |
| try (QueryEngineHTTP qExec = (QueryEngineHTTP) QueryExecutionFactory.sparqlService(serviceQuery(), |
| query)) { |
| qExec.setModelContentType(contentType); |
| qExec.setClient(client); |
| Iterator<Triple> iter = qExec.execConstructTriples(); |
| assertTrue(iter.hasNext()); |
| String x = qExec.getHttpResponseContentType(); |
| assertEquals(contentType, x); |
| } |
| } |
| } |
| } |
| |
| @Test |
| public void query_construct_quad_conneg() throws IOException { |
| try (CloseableHttpClient client = HttpOp.createPoolingHttpClient()) { |
| String queryString = " CONSTRUCT { GRAPH ?g {?s ?p ?o} } WHERE { GRAPH ?g {?s ?p ?o}}"; |
| Query query = QueryFactory.create(queryString, Syntax.syntaxARQ); |
| for (MediaType type : quadsOfferTest.entries()) { |
| String contentType = type.toHeaderString(); |
| try (QueryEngineHTTP qExec = (QueryEngineHTTP) QueryExecutionFactory.sparqlService(serviceQuery(), |
| query)) { |
| qExec.setDatasetContentType(contentType); |
| qExec.setClient(client); |
| Iterator<Quad> iter = qExec.execConstructQuads(); |
| assertTrue(iter.hasNext()); |
| String x = qExec.getHttpResponseContentType(); |
| assertEquals(contentType, x); |
| } |
| } |
| } |
| } |
| |
| @Test |
| public void query_describe_conneg() throws IOException { |
| try (CloseableHttpClient client = HttpOp.createPoolingHttpClient()) { |
| String query = "DESCRIBE ?s WHERE {?s ?p ?o}"; |
| for (MediaType type : rdfOfferTest.entries()) { |
| String contentType = type.toHeaderString(); |
| try (QueryEngineHTTP qExec = (QueryEngineHTTP) QueryExecutionFactory.sparqlService(serviceQuery(), |
| query)) { |
| qExec.setModelContentType(contentType); |
| qExec.setClient(client); |
| Model m = qExec.execDescribe(); |
| String x = qExec.getHttpResponseContentType(); |
| assertEquals(contentType, x); |
| assertFalse(m.isEmpty()); |
| } |
| } |
| } |
| } |
| |
| public void query_json_01() throws IOException { |
| Query query = QueryFactory.create("JSON { \"s\": ?s , \"p\": ?p , \"o\" : ?o } " |
| + "WHERE { ?s ?p ?o }", Syntax.syntaxARQ); |
| query.toString(); |
| try ( QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), query) ) { |
| JsonArray result = qExec.execJson(); |
| assertEquals(1, result.size()); |
| } |
| } |
| |
| @Test |
| public void query_json_02() throws IOException { |
| String qs = Convert.encWWWForm("JSON { \"s\": ?s , \"p\": ?p , \"o\" : ?o } " |
| + "WHERE { ?s ?p ?o }"); |
| URL u = new URL(serviceQuery() + "?query=" + qs); |
| HttpURLConnection conn = (HttpURLConnection)u.openConnection(); |
| String result = null; |
| StringBuffer sb = new StringBuffer(); |
| InputStream is = null; |
| try { |
| is = new BufferedInputStream(conn.getInputStream()); |
| BufferedReader br = new BufferedReader(new InputStreamReader(is)); |
| String inputLine = ""; |
| while ((inputLine = br.readLine()) != null) { |
| sb.append(inputLine); |
| } |
| result = sb.toString(); |
| } |
| finally { |
| if (is != null) { |
| is.close(); |
| } |
| } |
| Assert.assertNotNull(result); |
| Assert.assertTrue(result.contains("http://example/x")); |
| } |
| |
| private static void execQuery(String queryString, int exceptedRowCount) { |
| try ( QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), queryString) ) { |
| ResultSet rs = qExec.execSelect(); |
| int x = ResultSetFormatter.consume(rs); |
| assertEquals(exceptedRowCount, x); |
| } |
| } |
| |
| private static void execQuery(String queryString, ResultSet expectedResultSet) { |
| try ( QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), queryString) ) { |
| ResultSet rs = qExec.execSelect(); |
| boolean b = ResultSetCompare.equalsByTerm(rs, expectedResultSet); |
| assertTrue("Result sets different", b); |
| } |
| } |
| |
| } |