/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2014. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
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; version 2 of the License.
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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.bigdata.rdf.sail.webapp;
import java.io.IOException;
import junit.framework.Test;
/**
* While writing this comment, early January 2014,
* the status is that the two interesting tests
* both fail and are disabled
* {@link #xtestMassageServiceCall()} and {@link #xtestMassageServiceNested1Call()}
*
* Also {@link #xtestServiceSyntaxError()} shows some bug some where in that
* we take legal SPARQL and make it illegal before the service call ....
*
* Some of the other tests show how to use a subselect as a workaround.
* @author jeremycarroll
*
*/
public class TestService794 extends AbstractProtocolTest {
public TestService794(String name) {
super(name);
}
static public Test suite() {
return ProxySuiteHelper.suiteWhenStandalone(TestService794.class,"test.*",
TestMode.quads,TestMode.sids,
TestMode.triples);
}
/**
* Execute an ASK query including a SERVICE keyword which gets sent back to this server.
* The test succeeeds if the query returns true, and fails otherwise
* @param args
* @throws IOException
*/
private void abstactAskService(final String ... args) throws IOException {
setMethodisPostUrlEncodedData();
serviceRequest("update","PREFIX eg: <http://example.com/a#> INSERT { eg:a eg:p \"rs123\" ; eg:q 123, 100 } WHERE {}");
final StringBuilder bld = new StringBuilder();
// Set the base URI to be our sparql end point, for re-entrant queries,
// using the idiom SERVICE <>
bld.append("base <");
bld.append(m_serviceURL);
bld.append("/sparql>");
for (String arg:args) {
bld.append('\n');
bld.append(arg);
}
if(log.isInfoEnabled()) log.info(bld.toString());
final String result = serviceRequest("query",bld.toString());
if(log.isInfoEnabled()) log.info(result);
assertTrue(result.contains("true"));
}
/**
* @throws IOException
*/
public void testSimpleServiceCall() throws IOException {
abstactAskService("PREFIX eg: <http://example.com/a#>",
"ASK {",
"?x eg:p ?y ",
" SERVICE <> {",
" FILTER ( true )",
"{ SELECT ?x ?y {",
"?x eg:p ?y ",
"} ORDER BY ?y LIMIT 1 }",
"} }");
}
/**
* This one is currently broken, see trac794
*
* Note also there is something unintersting with syntax
* going wrong with some expressions like
* SERVICE <> {
* { SELECT * {
* ?x eg:q ?y
* }
* }
* }
*/
public void xtestMassageServiceCall() throws IOException {
abstactAskService("PREFIX eg: <http://example.com/a#>",
"prefix xsd: <http://www.w3.org/2001/XMLSchema#>",
"ASK {",
"?x eg:p ?y ",
"BIND (xsd:integer(substr(?y,3)) as ?yy )",
" SERVICE <> {",
" FILTER (true )",
"{ SELECT ?x ?yy {",
"?x eg:q ?yy ",
"} ORDER BY ?yy LIMIT 1 }",
"} }");
}
/**
* @throws IOException
*/
public void xtestMassageServiceNested1Call() throws IOException {
abstactAskService("PREFIX eg: <http://example.com/a#>",
"prefix xsd: <http://www.w3.org/2001/XMLSchema#>",
"ASK {",
"{ ?x eg:p ?y ",
"BIND (xsd:integer(substr(?y,3)) as ?yy ) }",
" SERVICE <> {",
"{ SELECT ?x ?yy {",
"?x eg:q ?yy ",
"} ORDER BY ?yy LIMIT 1 }",
"} }");
}
/**
* @throws IOException
*/
public void testMassageServiceNested2Call() throws IOException {
abstactAskService("PREFIX eg: <http://example.com/a#>",
"prefix xsd: <http://www.w3.org/2001/XMLSchema#>",
"ASK {",
"{ SELECT ?x ?yy ",
" { ?x eg:p ?y ",
" BIND (xsd:integer(substr(?y,3)) as ?yy ) } }",
" SERVICE <> {",
"{ SELECT ?x ?yy {",
"?x eg:q ?yy ",
"} ORDER BY ?yy LIMIT 1 }",
"} }");
}
public void testMassageServiceNested3Call() throws IOException {
abstactAskService("PREFIX eg: <http://example.com/a#>",
"prefix xsd: <http://www.w3.org/2001/XMLSchema#>",
"ASK {",
"{ SELECT ?x (xsd:integer(substr(?y,3)) as ?yy ) ",
" { ?x eg:p ?y } }",
" SERVICE <> {",
"{ SELECT ?x ?yy {",
"?x eg:q ?yy ",
"} ORDER BY ?yy LIMIT 1 }",
"} }");
}
public void xtestServiceSyntaxError() throws IOException {
abstactAskService("PREFIX eg: <http://example.com/a#>",
"prefix xsd: <http://www.w3.org/2001/XMLSchema#>",
"ASK {",
"{ SELECT ?x (xsd:integer(substr(?y,3)) as ?yy ) ",
" { ?x eg:p ?y } }",
" SERVICE <> {",
"{ SELECT * {",
"?x eg:q ?yy ",
"} ORDER BY ?yy LIMIT 1 }",
"} }");
}
}