source: php/trunk/unittest/rdfa_parse_sparql/unittest.php

<?PHP

/* RDFInt.php - RDF Interfaces for PHP
 * Copyright 2011 netlabs.org
 * Author: Christian Langanke, Adrian Gschwend
 *
 * 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.
 */

// load library setup
define( 'RDFINT', getenv( 'PHP_LIBROOT_RDFINT'));
require_once( RDFINT.'/rdfa.php');

class UnitTest extends PHPUnit_Framework_TestCase
{
  protected $rdfaData;

  // --------------------------------------------------------

  public static function setUpBeforeClass() {
    $testcase = basename( getcwd());
    echo "Executing library testcase: $testcase\n\n";
  }

  // --------------------------------------------------------

  protected function setUp() {

        $aNamespace = array( 'dbo'     => 'http://dbpedia.org/ontology/',
                         'rdfs'    => 'http://www.w3.org/2000/01/rdf-schema#',
                         'dcterms' => 'http://purl.org/dc/terms/'
                       );

    // setup data RDF object
    $this->rdfaData = new \rdfa\Data();
    $this->assertInstanceOf( '\rdfa\Data', $this->rdfaData);

    // setup namespace mappings
    foreach ( $aNamespace as $prefix => $uriNamespace) {
      $this->rdfaData->setMapping( $prefix, $uriNamespace);
    }

  }

  // --------------------------------------------------------

  public function test_parse_sparql() {

    $uriCityToSearch = 'http://dbpedia.org/resource/Biel/Bienne';

        $config = array(
      'remote_store_endpoint'  => 'http://dbpedia.org/sparql',
      'reader_timeout'         => 30
        );

        $statement = '
PREFIX dbo: <http://dbpedia.org/ontology/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX dcterms: <http://purl.org/dc/terms/>

CONSTRUCT 
{
  ?s rdfs:label ?city_name .
}
  WHERE {
  ?s dcterms:subject <http://dbpedia.org/resource/Category:Cities_in_Switzerland> .
  ?s rdfs:label ?city_name FILTER (LANG(?city_name) = "en")
}
        ';

    // create endpoint configuration object
        $endpoint = new \rdfa\SparqlEndpoint( $config);
    $this->assertInstanceOf( '\rdfa\SparqlEndpoint', $endpoint);

    // create SPARQL eury object
        $query     = new \rdfa\SparqlQuery( $endpoint, $statement);
    $this->assertInstanceOf( '\rdfa\SparqlQuery', $query);

        // test sparql query directly
        $rdfdata = $query->run();
        $this->assertEquals( ($rdfdata !== false), true);

        // let the parse method execute the query to
        $result = $this->rdfaData->parse( $query);
        $this->assertEquals( ($result !== false), true);

    $aSubject = $this->rdfaData->getSubjects();
    $this->assertGreaterThan( 0, count( $aSubject));
    $this->assertContains( $uriCityToSearch, $aSubject);

  } // public function test_parse_sparql()

} // class UnitTest