/*
* 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.serviceQuery ;
import static org.apache.jena.fuseki.ServerTestData.gn1 ;
import static org.apache.jena.fuseki.ServerTestData.model1 ;
import static org.apache.jena.fuseki.ServerTestData.model2 ;
import java.io.IOException ;
import java.net.HttpURLConnection ;
import java.net.URL ;
import org.apache.jena.atlas.junit.BaseTest ;
import org.apache.jena.query.* ;
import org.apache.jena.sparql.core.Var ;
import org.apache.jena.sparql.engine.binding.Binding ;
import org.apache.jena.sparql.util.Convert ;
import org.junit.* ;
import org.junit.Test ;
public class TestQuery extends BaseTest
{
@BeforeClass public static void ctlBeforeClass() { ServerCtl.ctlBeforeClass(); }
@AfterClass public static void ctlAfterClass() { ServerCtl.ctlAfterClass(); }
@Before public void ctlBeforeTest() { ServerCtl.ctlBeforeTest(); }
@After public void ctlAfterTest() { ServerCtl.ctlAfterTest(); }
@Before public void beforeClass() {
DatasetAccessor du = DatasetAccessorFactory.createHTTP(ServerCtl.serviceGSP()) ;
du.putModel(model1) ;
du.putModel(gn1, model2) ;
}
@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) ;
}
private void execQuery(String queryString, int exceptedRowCount) {
QueryExecution qExec = QueryExecutionFactory.sparqlService(serviceQuery(), queryString) ;
ResultSet rs = qExec.execSelect() ;
int x = ResultSetFormatter.consume(rs) ;
assertEquals(exceptedRowCount, x) ;
}
}