/*
* 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.sparql.api ;
import static org.apache.jena.atlas.lib.Lib.sleep ;
import java.util.concurrent.TimeUnit ;
import org.apache.jena.atlas.junit.BaseTest ;
import org.apache.jena.base.Sys ;
import org.apache.jena.graph.Graph ;
import org.apache.jena.query.* ;
import org.apache.jena.sparql.core.DatasetGraph ;
import org.apache.jena.sparql.core.DatasetGraphFactory ;
import org.apache.jena.sparql.function.FunctionRegistry ;
import org.apache.jena.sparql.function.library.wait ;
import org.apache.jena.sparql.sse.SSE ;
import org.junit.AfterClass ;
import org.junit.BeforeClass ;
import org.junit.Test ;
public class TestQueryExecutionTimeout1 extends BaseTest
{
static Graph g = SSE.parseGraph("(graph (<s> <p> <o1>) (<s> <p> <o2>) (<s> <p> <o3>))") ;
static DatasetGraph dsg = DatasetGraphFactory.createOneGraph(g) ;
static Dataset ds = DatasetFactory.wrap(dsg) ;
private static final String ns = "http://example/ns#" ;
@BeforeClass
public static void beforeClass()
{
FunctionRegistry.get().put(ns + "wait", wait.class) ;
}
@AfterClass
public static void afterClass()
{
FunctionRegistry.get().remove(ns + "wait") ;
}
// Loaded CI.
private static boolean mayBeErratic = Sys.isWindows ;
private int timeout(int time1, int time2) {
return mayBeErratic ? time2 : time1 ;
}
static private String prefix =
"PREFIX f: <http://example/ns#>\n"+
"PREFIX afn: <http://jena.apache.org/ARQ/function#>\n" ;
// Numbers all a bit iffy and can result in test failures
// on a heavily loaded CI system.
// But we don't want testing to be to slow when used in general
// development. Could split into development and integration
// level checking.
@Test
public void timeout_01() {
// Test unstable on loaded Jenkins CI on Windows.
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
QueryExecution qExec = QueryExecutionFactory.create(qs, ds) ;
qExec.setTimeout(50, TimeUnit.MILLISECONDS) ;
ResultSet rs = qExec.execSelect() ;
sleep(timeout(100, 300)) ;
exceptionExpected(rs) ;
}
@Test
public void timeout_02()
{
// Test unstable on loaded Jenkins CI on Windows.
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
QueryExecution qExec = QueryExecutionFactory.create(qs, ds) ;
qExec.setTimeout(50, TimeUnit.MILLISECONDS) ;
ResultSet rs = qExec.execSelect() ;
rs.next() ;
sleep(timeout(75, 300)) ;
exceptionExpected(rs) ;
}
@Test
public void timeout_03()
{
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
@SuppressWarnings("resource")
QueryExecution qExec = QueryExecutionFactory.create(qs, ds) ;
qExec.setTimeout(100, TimeUnit.MILLISECONDS) ;
ResultSet rs = qExec.execSelect() ;
ResultSetFormatter.consume(rs) ;
qExec.close() ;
qExec.abort() ;
}
@Test
public void timeout_04()
{
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
try(QueryExecution qExec = QueryExecutionFactory.create(qs, ds)) {
qExec.setTimeout(50, TimeUnit.MILLISECONDS) ;
ResultSet rs = qExec.execSelect() ;
ResultSetFormatter.consume(rs) ;
sleep(100) ;
rs.hasNext() ; // Query ended - calling rs.hasNext() is safe.
}
}
// @Test
// public void timeout_05()
// {
// // This test is hard to get stable.
// String qs = prefix + "SELECT * { ?s ?p ?o FILTER f:wait(200) }" ;
// try(QueryExecution qExec = QueryExecutionFactory.create(qs, ds)) {
// qExec.setTimeout(50, TimeUnit.MILLISECONDS) ;
// ResultSet rs = qExec.execSelect() ;
// exceptionExpected(rs) ;
// }
// }
@Test
public void timeout_06()
{
String qs = prefix + "SELECT * { ?s ?p ?o FILTER f:wait(1) }" ; // Sleep in execution to kick timer thread.
try(QueryExecution qExec = QueryExecutionFactory.create(qs, ds)) {
qExec.setTimeout(100, TimeUnit.MILLISECONDS) ;
ResultSet rs = qExec.execSelect() ;
ResultSetFormatter.consume(rs) ;
}
}
@Test
public void timeout_07()
{
// No timeout.
String qs = prefix + "SELECT * { ?s ?p ?o FILTER f:wait(1) }" ;
try(QueryExecution qExec = QueryExecutionFactory.create(qs, ds)) {
ResultSet rs = qExec.execSelect() ;
ResultSetFormatter.consume(rs) ;
}
}
@Test
public void timeout_08()
{
// No timeout.
String qs = prefix + "SELECT * { ?s ?p ?o FILTER f:wait(1) }" ;
try(QueryExecution qExec = QueryExecutionFactory.create(qs, ds)) {
qExec.setTimeout(-1, TimeUnit.MILLISECONDS) ;
ResultSet rs = qExec.execSelect() ;
ResultSetFormatter.consume(rs) ;
}
}
@Test
public void timeout_09()
{
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
try(QueryExecution qExec = QueryExecutionFactory.create(qs, ds)) {
qExec.setTimeout(500, TimeUnit.MILLISECONDS, -1, TimeUnit.MILLISECONDS) ;
ResultSet rs = qExec.execSelect() ;
rs.next() ; // First timeout does not go off. Resets timers.
rs.next() ; // Second timeout never goes off
assertTrue(rs.hasNext()) ;
ResultSetFormatter.consume(rs) ; // Second timeout does not go off.
}
}
@Test
public void timeout_10()
{
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
try(QueryExecution qExec = QueryExecutionFactory.create(qs, ds)) {
qExec.setTimeout(100, TimeUnit.MILLISECONDS, 100, TimeUnit.MILLISECONDS) ;
ResultSet rs = qExec.execSelect() ;
rs.next() ; // First timeout does not go off. Resets timers.
rs.next() ; // Second timeout never goes off
assertTrue(rs.hasNext()) ;
sleep(200) ;
exceptionExpected(rs) ;
}
}
@Test
public void timeout_11()
{
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
try(QueryExecution qExec = QueryExecutionFactory.create(qs, ds)) {
qExec.setTimeout(-1, TimeUnit.MILLISECONDS, 100, TimeUnit.MILLISECONDS) ;
ResultSet rs = qExec.execSelect() ;
rs.next() ; // First timeout does not go off. Resets timer.
rs.next() ; // Second timeout does not go off
sleep(200) ;
exceptionExpected(rs) ;
}
}
// Set timeouts via context.
@Test
public void timeout_20()
{
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
ARQ.getContext().set(ARQ.queryTimeout, "20") ;
QueryExecution qExec = QueryExecutionFactory.create(qs, ds) ;
ResultSet rs = qExec.execSelect() ;
sleep(50) ;
exceptionExpected(rs) ;
}
@Test
public void timeout_21()
{
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
ARQ.getContext().set(ARQ.queryTimeout, "20,10") ;
QueryExecution qExec = QueryExecutionFactory.create(qs, ds) ;
ResultSet rs = qExec.execSelect() ;
sleep(50) ;
exceptionExpected(rs) ;
}
@Test
public void timeout_22()
{
String qs = prefix + "SELECT * { ?s ?p ?o }" ;
ARQ.getContext().set(ARQ.queryTimeout, "-1") ;
try(QueryExecution qExec = QueryExecutionFactory.create(qs, ds)) {
ResultSet rs = qExec.execSelect() ;
ResultSetFormatter.consume(rs) ;
}
}
private static void exceptionExpected(ResultSet rs)
{
try {
ResultSetFormatter.consume(rs);
fail("QueryCancelledException expected");
}
catch (QueryCancelledException ex) {}
}
}