Thread: [Rdfapi-php-svn] SF.net SVN: rdfapi-php: [463] trunk/rdfapi-php/test/unit

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Revision: 463
          http://rdfapi-php.svn.sourceforge.net/rdfapi-php/?rev=463&view=rev
Author:   cweiske
Date:     2007-06-21 08:52:53 -0700 (Thu, 21 Jun 2007)

Log Message:
-----------
Some Sparql parser tests for nested queries and the querysimplifier

Modified Paths:
--------------
    trunk/rdfapi-php/test/unit/Sparql/SparqlParserTests_test.php
    trunk/rdfapi-php/test/unit/Sparql/SparqlTestHelper.php
    trunk/rdfapi-php/test/unit/Sparql/SparqlTests_test.php

Added Paths:
-----------
    trunk/rdfapi-php/test/unit/Sparql/casesParserFilter.php
    trunk/rdfapi-php/test/unit/Sparql/casesParserNested.php
    trunk/rdfapi-php/test/unit/sparqlParserTests.php

Removed Paths:
-------------
    trunk/rdfapi-php/test/unit/Sparql/filterCases.php

Modified: trunk/rdfapi-php/test/unit/Sparql/SparqlParserTests_test.php
===================================================================

--- trunk/rdfapi-php/test/unit/Sparql/SparqlParserTests_test.php	2007-06-21 14:48:58 UTC (rev 462)
+++ trunk/rdfapi-php/test/unit/Sparql/SparqlParserTests_test.php	2007-06-21 15:52:53 UTC (rev 463)
@@ -1,7 +1,10 @@
 <?php
 require_once dirname(__FILE__) . '/../../config.php';
+require_once dirname(__FILE__) . '/casesParserFilter.php';
+require_once dirname(__FILE__) . '/casesParserNested.php';
+require_once dirname(__FILE__) . '/SparqlTestHelper.php';
 require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlParser.php';
-require_once dirname(__FILE__) . '/filterCases.php';
+require_once RDFAPI_INCLUDE_DIR . 'sparql/SparqlEngineDb/QuerySimplifier.php';
 
 
 /**
@@ -9,6 +12,57 @@
 */
 class testSparqlParserTests extends UnitTestCase
 {
+    /**
+    *   Tests if Query::getLanguageTag() works correctly
+    */
+    function testQueryGetLanguageTag()
+    {
+        $this->assertEqual('en', Query::getLanguageTag('?x@en'));
+        $this->assertEqual('en', Query::getLanguageTag('?x@en^^xsd:integer'));
+        $this->assertEqual('en', Query::getLanguageTag('?x^^xsd:integer@en'));
+        $this->assertEqual('en_US', Query::getLanguageTag('?x@en_US'));
+    }//function testQueryGetLanguageTag()
+
+
+
+    /**
+    *   Tests if Query::getDatatype() works correctly
+    */
+    function testQueryGetDatatype()
+    {
+        $q = new Query();
+        $q->addPrefix('rdfs', 'http://www.w3.org/2000/01/rdf-schema#');
+        $q->addPrefix('rdf' , 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
+        $q->addPrefix('xsd' , 'http://www.w3.org/2001/XMLSchema#');
+
+        $this->assertNull($q->getDatatype('?name'));
+        $this->assertNull($q->getDatatype('?name@en'));
+        $this->assertEqual(
+            'http://www.w3.org/2001/XMLSchema#integer',
+            $q->getDatatype('?name^^xsd:integer')
+        );
+        $this->assertEqual(
+            'http://www.w3.org/2001/XMLSchema#integer',
+            $q->getDatatype('?name^^<http://www.w3.org/2001/XMLSchema#integer>')
+        );
+    }//function testQueryGetDatatype()
+
+
+
+    function testQueryGetFullUri()
+    {
+        $q = new Query();
+        $q->addPrefix('rdfs', 'http://www.w3.org/2000/01/rdf-schema#');
+        $q->addPrefix('rdf' , 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
+        $q->addPrefix('xsd' , 'http://www.w3.org/2001/XMLSchema#');
+
+        $this->assertEqual('http://www.w3.org/2001/XMLSchema#integer', $q->getFullUri('xsd:integer'));
+        $this->assertFalse($q->getFullUri('yyy:integer'));
+        $this->assertFalse($q->getFullUri('integer'));
+    }//function testQueryGetFullUri()
+
+
+
     function testEdgeCases()
     {
         $query = <<<EOT
@@ -33,7 +87,7 @@
 EOT;
         $p = new SparqlParser();
         $q = $p->parse($query);
-    }
+    }//function testEdgeCases()
 
 
 
@@ -47,7 +101,7 @@
             $q = $p->parse($query);
 
             $res        = $q->getResultPart();
-            $constraint = $res[0]->getConstraint();
+            $constraint = $res[0]->getConstraints();
             $tree       = $constraint[0]->getTree();
 
             self::removeLevel($tree);
@@ -55,92 +109,29 @@
             if ($result != $tree) {
                 var_dump($tree);
                 echo '----------------------' . "\n" . $query . "\n";
-                echo "\n!!!!!!!!        " . self::renderTree($tree) . "\n\n";
+                echo "\n!!!!!!!!        " . SparqlTestHelper::renderTree($tree) . "\n\n";
             }
         }
-    }
+    }//function testParseFilter()
 
-    /**
-    *   Tests if Query::getLanguageTag() works correctly
-    */
-    function testQueryGetLanguageTag()
-    {
-        $this->assertEqual('en', Query::getLanguageTag('?x@en'));
-        $this->assertEqual('en', Query::getLanguageTag('?x@en^^xsd:integer'));
-        $this->assertEqual('en', Query::getLanguageTag('?x^^xsd:integer@en'));
-        $this->assertEqual('en_US', Query::getLanguageTag('?x@en_US'));
-    }
 
 
-    /**
-    *   Tests if Query::getDatatype() works correctly
-    */
-    function testQueryGetDatatype()
+    function testParseNested()
     {
-        $q = new Query();
-        $q->addPrefix('rdfs', 'http://www.w3.org/2000/01/rdf-schema#');
-        $q->addPrefix('rdf' , 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
-        $q->addPrefix('xsd' , 'http://www.w3.org/2001/XMLSchema#');
+        echo "<b>Nested queries tests</b><br/>\n";
+        foreach ($GLOBALS['testSparqlParserTestsNested'] as $arNestedTest) {
+            list($query, $strExpected) = $arNestedTest;
 
-        $this->assertNull($q->getDatatype('?name'));
-        $this->assertNull($q->getDatatype('?name@en'));
-        $this->assertEqual(
-            'http://www.w3.org/2001/XMLSchema#integer',
-            $q->getDatatype('?name^^xsd:integer')
-        );
-        $this->assertEqual(
-            'http://www.w3.org/2001/XMLSchema#integer',
-            $q->getDatatype('?name^^<http://www.w3.org/2001/XMLSchema#integer>')
-        );
-    }
+            $p = new SparqlParser();
+            $q = $p->parse($query);
 
+            $qs = new SparqlEngineDb_QuerySimplifier();
+            $qs->simplify($q);
 
-    function testQueryGetFullUri()
-    {
-        $q = new Query();
-        $q->addPrefix('rdfs', 'http://www.w3.org/2000/01/rdf-schema#');
-        $q->addPrefix('rdf' , 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
-        $q->addPrefix('xsd' , 'http://www.w3.org/2001/XMLSchema#');
-
-        $this->assertEqual('http://www.w3.org/2001/XMLSchema#integer', $q->getFullUri('xsd:integer'));
-        $this->assertFalse($q->getFullUri('yyy:integer'));
-        $this->assertFalse($q->getFullUri('integer'));
-    }
-
-
-
-    /**
-    *   Helper method that creates a sparql filter string from the
-    *   given filter tree.
-    */
-    static function renderTree($tree)
-    {
-        if (!is_array($tree) || !isset($tree['type'])) {
-            return 'Parser is broken';
+            $strRendResult = SparqlTestHelper::renderResult($q);
+            $this->assertEqual($strExpected, $strRendResult);
         }
-        $negation = isset($tree['negated']) ? '!' : '';
-        switch ($tree['type']) {
-            case 'equation':
-                return $negation . '(' . self::renderTree($tree['operand1'])
-                    . ' ' . $tree['operator'] . ' '
-                    . self::renderTree($tree['operand2']) . ')';
-            case 'value':
-                return $negation . $tree['value'];
-            case 'function':
-                return $negation . $tree['name'] . '('
-                    . implode(
-                        ', ',
-                        array_map(
-                            array('self', 'renderTree'),
-                            $tree['parameter']
-                        )
-                    ) . ')';
-            default:
-                var_dump($tree);
-                throw new Exception('Unsupported tree type: ' . $tree['type']);
-                break;
-        }
-    }//static function renderTree($tree)
+    }//function testParseNested()
 
 
 
@@ -157,6 +148,7 @@
             self::removeLevel($tree['operand1']);
             self::removeLevel($tree['operand2']);
         }
-    }
-}
+    }//static function removeLevel(&$tree)
+
+}//class testSparqlParserTests extends UnitTestCase
 ?>
\ No newline at end of file

Modified: trunk/rdfapi-php/test/unit/Sparql/SparqlTestHelper.php
===================================================================
--- trunk/rdfapi-php/test/unit/Sparql/SparqlTestHelper.php	2007-06-21 14:48:58 UTC (rev 462)
+++ trunk/rdfapi-php/test/unit/Sparql/SparqlTestHelper.php	2007-06-21 15:52:53 UTC (rev 463)
@@ -67,5 +67,66 @@
         return true;
     }//public static resultCheckSort($table, $result)
 
+
+
+    /**
+    *   Helper method that creates a sparql filter string from the
+    *   given filter tree.
+    */
+    static function renderTree($tree)
+    {
+        if (!is_array($tree) || !isset($tree['type'])) {
+            return 'Parser is broken';
+        }
+        $negation = isset($tree['negated']) ? '!' : '';
+        switch ($tree['type']) {
+            case 'equation':
+                return $negation . '(' . self::renderTree($tree['operand1'])
+                    . ' ' . $tree['operator'] . ' '
+                    . self::renderTree($tree['operand2']) . ')';
+            case 'value':
+                return $negation . $tree['value'];
+            case 'function':
+                return $negation . $tree['name'] . '('
+                    . implode(
+                        ', ',
+                        array_map(
+                            array('self', 'renderTree'),
+                            $tree['parameter']
+                        )
+                    ) . ')';
+            default:
+                var_dump($tree);
+                throw new Exception('Unsupported tree type: ' . $tree['type']);
+                break;
+        }
+    }//static function renderTree($tree)
+
+
+
+    /**
+    *   renders the result part of a query object as a string
+    */
+    static function renderResult(Query $query)
+    {
+        $s = '';
+        foreach ($query->getResultPart() as $gp) {
+            //dumpGp:
+            $s .= 'GP #' . $gp->getId();
+            if ($gp->getOptional() !== null)     $s .= ' optionalTo('   . $gp->getOptional() . ')';
+            if ($gp->getUnion() !== null)        $s .= ' unionWith('    . $gp->getUnion() . ')';
+            if ($gp->getSubpatternOf() !== null) $s .= ' subpatternOf(' . $gp->getSubpatternOf() . ')';
+            if (count($gp->getConstraints()) > 0)$s .= ' filter(' . count($gp->getConstraints()) . ')';
+            $s .= "\n";
+            if ($gp->getTriplePatterns()) {
+                foreach ($gp->getTriplePatterns() as $tp) {
+                    $s .= '  ' . $tp->getSubject() . ', ' . $tp->getPredicate()
+                        . ', ' . $tp->getObject() . "\n";
+                }
+            }
+        }
+        return $s;
+    }//static function renderResult($query)
+
 }//class SparqlTestHelper
 ?>
\ No newline at end of file

Modified: trunk/rdfapi-php/test/unit/Sparql/SparqlTests_test.php
===================================================================
--- trunk/rdfapi-php/test/unit/Sparql/SparqlTests_test.php	2007-06-21 14:48:58 UTC (rev 462)
+++ trunk/rdfapi-php/test/unit/Sparql/SparqlTests_test.php	2007-06-21 15:52:53 UTC (rev 463)
@@ -210,7 +210,6 @@
     function testFilterTestcases()
     {
         foreach($_SESSION['sparql_filter_tests'] as $name) {
-echo $name['query'] . "\n";
             $_SESSION['test']= $name['query']." test";
             $parser = new SparqlParser();
             $graphset = ModelFactory::getDatasetMem('Dataset1');
@@ -222,7 +221,11 @@
             $q      = $parser->parse($qs);
             $engine = SparqlEngine::factory();
             $t      = $engine->queryModel($graphset, $q, false);
-            $this->assertTrue(SparqlTestHelper::resultCheck($t,$result));
+            $bOk    = SparqlTestHelper::resultCheck($t,$result);
+            $this->assertTrue($bOk);
+            if (!$bOk) {
+                echo $name['query'] . "\n";
+            }
         }
     }
 
@@ -231,7 +234,6 @@
     function testArqTestcases()
     {
         foreach($_SESSION['sparql_arq_tests'] as $name) {
-echo $name['query'] . "\n";
             $_SESSION['test']= $name['query']." test";
             $parser = new SparqlParser();
             $graphset = ModelFactory::getDatasetMem('Dataset1');
@@ -243,10 +245,15 @@
             $q = $parser->parse($qs);
             $engine = SparqlEngine::factory();
             $t = $engine->queryModel($graphset, $q,false);
-            if($t instanceof MemModel)
-            $this->assertTrue($t->equals($result));
-            else
-            $this->assertTrue(SparqlTestHelper::resultCheck($t,$result));
+            if ($t instanceof MemModel) {
+                $bOk = $t->equals($result);
+            } else {
+                $bOk = SparqlTestHelper::resultCheck($t,$result);
+            }
+            $this->assertTrue($bOk);
+            if (!$bOk) {
+                echo $name['query'] . "\n";
+            }
         }
     }
 }

Copied: trunk/rdfapi-php/test/unit/Sparql/casesParserFilter.php (from rev 447, trunk/rdfapi-php/test/unit/Sparql/filterCases.php)
===================================================================
--- trunk/rdfapi-php/test/unit/Sparql/casesParserFilter.php	                        (rev 0)
+++ trunk/rdfapi-php/test/unit/Sparql/casesParserFilter.php	2007-06-21 15:52:53 UTC (rev 463)
@@ -0,0 +1,406 @@
+<?php
+/**
+* Filter parser tests
+*/
+$GLOBALS['testSparqlParserTestsFilter'] = array(
+    array(
+<<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+SELECT ?s, ?o
+{ ?s foaf:name ?o . FILTER (?s = ?o)}
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '=',
+            'operand1'  => array('type' => 'value', 'value' => '?s', 'quoted' => false),
+            'operand2'  => array('type' => 'value', 'value' => '?o', 'quoted' => false)
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+SELECT ?s, ?o
+{ ?s foaf:name ?o . FILTER (! bound(?s))}
+EOT
+,
+        array(
+            'negated'   => true,
+            'type'      => 'function',
+            'name'      => 'bound',
+            'parameter' => array(
+                array('type' => 'value', 'value' => '?s', 'quoted' => false)
+            ),
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+SELECT ?s, ?o
+{ ?s foaf:name ?o . FILTER(?date < xsd:dateTime("2005-01-01T00:00:00Z"))}
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '<',
+            'operand1'  => array('type' => 'value', 'value' => '?date', 'quoted' => false),
+            'operand2'  => array(
+                'type'      => 'function',
+                'name'      => 'xsd:dateTime',
+                'parameter' => array(
+                    array(
+                        'type'      => 'value',
+                        'value'     => '2005-01-01T00:00:00Z',
+                        'quoted'    => true
+                    )
+                )
+            )
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+SELECT ?mbox1
+{ ?name1 foaf:mbox ?mbox1 . FILTER ( (?mbox1 = ?mbox2) && (?name1 != ?name2) )}
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '&&',
+            'operand1'  => array(
+                'type'      => 'equation',
+                'operator'  => '=',
+                'operand1'  => array('type' => 'value', 'value' => '?mbox1', 'quoted' => false),
+                'operand2'  => array('type' => 'value', 'value' => '?mbox2', 'quoted' => false)
+            ),
+            'operand2'  => array(
+                'type'      => 'equation',
+                'operator'  => '!=',
+                'operand1'  => array('type' => 'value', 'value' => '?name1', 'quoted' => false),
+                'operand2'  => array('type' => 'value', 'value' => '?name2', 'quoted' => false)
+            )
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+SELECT ?mbox1
+{ ?name1 foaf:mbox ?mbox1 . FILTER ( ?mbox1 = ?mbox2 && ?name1 != ?name2 )}
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '&&',
+            'operand1'  => array(
+                'type'      => 'equation',
+                'operator'  => '=',
+                'operand1'  => array('type' => 'value', 'value' => '?mbox1', 'quoted' => false),
+                'operand2'  => array('type' => 'value', 'value' => '?mbox2', 'quoted' => false)
+            ),
+            'operand2'  => array(
+                'type'      => 'equation',
+                'operator'  => '!=',
+                'operand1'  => array('type' => 'value', 'value' => '?name1', 'quoted' => false),
+                'operand2'  => array('type' => 'value', 'value' => '?name2', 'quoted' => false)
+            )
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+SELECT ?mbox1
+{ ?name1 foaf:mbox ?mbox1 . FILTER regex(str(?mbox), "@work.example")}
+EOT
+,
+        array(
+            'type'      => 'function',
+            'name'      => 'regex',
+            'parameter' => array(
+                array(
+                    'type'      => 'function',
+                    'name'      => 'str',
+                    'parameter' => array(
+                        array('type' => 'value', 'value' => '?mbox', 'quoted' => false)
+                    )
+                ),
+                array(
+                    'type'      => 'value',
+                    'value'     => '@work.example',
+                    'quoted'    => true
+                )
+            ),
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+SELECT ?mbox1
+{ ?name1 foaf:mbox ?mbox1 . FILTER str(str(str(str(?mbox))))}
+EOT
+,
+        array(
+            'type'      => 'function',
+            'name'      => 'str',
+            'parameter' => array(
+                array(
+                    'type'      => 'function',
+                    'name'      => 'str',
+                    'parameter' => array(
+                        array(
+                            'type'      => 'function',
+                            'name'      => 'str',
+                            'parameter' => array(
+                                array(
+                                    'type'      => 'function',
+                                    'name'      => 'str',
+                                    'parameter' => array(
+                                        array(
+                                            'type'      => 'value',
+                                            'value'     => '?mbox',
+                                            'quoted'    => false
+                                        )
+                                    )
+                                )
+                            )
+                        )
+                    )
+                )
+            )
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX  xsd: <http://www.w3.org/2001/XMLSchema#>
+PREFIX  : <http://example.org/things#>
+SELECT  ?x
+WHERE
+    { ?x :p ?v .
+      FILTER (?v = 1.0)
+    }
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '=',
+            'operand1'  => array('type' => 'value', 'value' => '?v', 'quoted' => false),
+            'operand2'  => array('type' => 'value', 'value' => '1.0', 'quoted' => false),
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX  xsd: <http://www.w3.org/2001/XMLSchema#>
+PREFIX  : <http://example.org/ns#>
+SELECT  ?a
+WHERE
+    { ?a :p ?v .
+      FILTER (?v) .
+    }
+EOT
+,
+        array(
+            'type'      => 'value',
+            'value'     => '?v',
+            'quoted'    => false
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX a:      <http://www.w3.org/2000/10/annotation-ns#>
+PREFIX dc:     <http://purl.org/dc/elements/1.1/>
+PREFIX xsd:    <http://www.w3.org/2001/XMLSchema#>
+
+SELECT ?annot
+WHERE { ?annot  a:annotates  <http://www.w3.org/TR/rdf-sparql-query/> .
+        ?annot  dc:created   ?date .
+        FILTER ( xsd:dateTime(?date) < xsd:dateTime("2005-01-01T00:00:00Z") )
+      }
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '<',
+            'operand1'  => array(
+                    'type'      => 'function',
+                    'name'      => 'xsd:dateTime',
+                    'parameter' => array(
+                        array('type' => 'value', 'value' => '?date', 'quoted' => false),
+                    )
+            ),
+            'operand2'  => array(
+                    'type'      => 'function',
+                    'name'      => 'xsd:dateTime',
+                    'parameter' => array(
+                        array(
+                            'type'      => 'value',
+                            'value'     => '2005-01-01T00:00:00Z',
+                            'quoted'    => true
+                        )
+                    )
+            )
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+
+SELECT ?p, ?o
+  { ?s ?p ?o . FILTER (!!!isLiteral(?o)). }
+EOT
+,
+        array(
+            'negated'   => true,
+            'type'      => 'function',
+            'name'      => 'isLiteral',
+            'parameter' => array(
+                array('type' => 'value', 'value' => '?o', 'quoted' => false)
+            ),
+        )
+    ),
+
+    array(
+<<<EOT
+PREFIX  xsd: <http://www.w3.org/2001/XMLSchema#>
+PREFIX  : <http://example.org/ns#>
+SELECT  ?a
+WHERE   { ?a :p ?v . FILTER ( ! ?v ) . }
+EOT
+,
+        array(
+            'negated'   => true,
+            'type'      => 'value',
+            'value'     => '?v',
+            'quoted'    => false
+        )
+    ),
+/**/
+    array(
+<<<EOT
+PREFIX  xsd: <http://www.w3.org/2001/XMLSchema#>
+PREFIX  : <http://example.org/ns#>
+SELECT  ?a
+WHERE { ?a :p ?v . FILTER ("true"^^xsd:boolean && ?v) .}
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '&&',
+            'operand1'  => array(
+                'type'      => 'value',
+                'value'     => 'true',
+                'quoted'    => true,
+                'datatype'  => 'http://www.w3.org/2001/XMLSchema#boolean'
+            ),
+            'operand2'  => array('type' => 'value', 'value' => '?v', 'quoted' => false),
+        )
+    ),
+    array(
+<<<EOT
+SELECT  *
+WHERE
+    { ?x ?y ?z .
+      FILTER ( str(?z) = str("value"@en) ) .
+    }
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '=',
+            'operand1'  => array(
+                'type'      => 'function',
+                'name'      => 'str',
+                'parameter' => array(
+                    array(
+                        'type'      => 'value',
+                        'value'     => '?z',
+                        'quoted'    => false
+                    )
+                )
+            ),
+            'operand2'  => array(
+                'type'      => 'function',
+                'name'      => 'str',
+                'parameter' => array(
+                    array(
+                        'type'      => 'value',
+                        'value'     => 'value',
+                        'quoted'    => true,
+                        'language'  => 'en'
+                    )
+                )
+            )
+        )
+    ),
+    array(
+<<<EOT
+SELECT  * WHERE
+    { ?x ?y ?z .
+      FILTER ( str(?x) = str(<http://rdf.hp.com/r-1>) ) .
+    }
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '=',
+            'operand1'  => array(
+                'type'      => 'function',
+                'name'      => 'str',
+                'parameter' => array(
+                    array(
+                        'type'      => 'value',
+                        'value'     => '?x',
+                        'quoted'    => false
+                    )
+                )
+            ),
+            'operand2'  => array(
+                'type'      => 'function',
+                'name'      => 'str',
+                'parameter' => array(
+                    array(
+                        'type'      => 'value',
+                        'value'     => '<http://rdf.hp.com/r-1>',
+                        'quoted'    => false
+                    )
+                )
+            )
+        )
+    ),
+    array(
+<<<EOT
+SELECT DISTINCT ?Res
+WHERE {
+?Res rdf:type ?_v1 FILTER (?Res = <ldap://ldap.seerose.biz/dc=biz,dc=seerose,ou=People>)
+}
+ORDER BY ?Res
+EOT
+,
+        array(
+            'type'      => 'equation',
+            'operator'  => '=',
+            'operand1'  => array('type' => 'value', 'value' => '?Res', 'quoted' => false),
+            'operand2'  => array(
+                'type'  => 'value',
+                'value' => '<ldap://ldap.seerose.biz/dc=biz,dc=seerose,ou=People>',
+                'quoted'=> false
+            )
+        )
+    ),
+);
+?>
\ No newline at end of file

Added: trunk/rdfapi-php/test/unit/Sparql/casesParserNested.php
===================================================================
--- trunk/rdfapi-php/test/unit/Sparql/casesParserNested.php	                        (rev 0)
+++ trunk/rdfapi-php/test/unit/Sparql/casesParserNested.php	2007-06-21 15:52:53 UTC (rev 463)
@@ -0,0 +1,146 @@
+<?php
+/**
+*   Nested queries parser test
+*   While the result format might seem a bit strange, it helps
+*   us to debug the results easily and spot what doesn't work at which place.
+*
+*   @author Christian Weiske <cw...@cw...>
+*/
+$GLOBALS['testSparqlParserTestsNested'] = array(
+    array(<<<EOT
+SELECT ?name ?mbox
+WHERE
+{
+  ?a ?b ?c
+  {
+    {
+      ?g ?h ?i .
+      {
+        {?person <some://typ/e> 'asd'}
+        UNION
+        {?person3 <some://typ/es2> 'three'}
+      }
+    }
+    UNION
+    {?person2 <some://typ/es> '2'}
+  }
+  ?d ?e ?f
+}
+EOT
+        , <<<EOT
+GP #0
+  ?a, ?b, ?c
+  ?d, ?e, ?f
+  ?person2, Resource("some://typ/es"), Literal("2")
+GP #2 unionWith(0)
+  ?a, ?b, ?c
+  ?d, ?e, ?f
+  ?g, ?h, ?i
+  ?person, Resource("some://typ/e"), Literal("asd")
+GP #6 unionWith(0)
+  ?a, ?b, ?c
+  ?d, ?e, ?f
+  ?g, ?h, ?i
+  ?person3, Resource("some://typ/es2"), Literal("three")
+
+EOT
+    ),
+
+    /////next\\\\\
+    array( <<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX rdfs: <http://www.w3.org/1999/02/22-rdf-syntax-nss#>
+SELECT DISTINCT ?Res ?Attr ?Val
+WHERE
+{
+  {
+    ?Res rdf:type ?_v1 .
+    {
+      ?Res foaf:name ?_v2 FILTER regex(?_v2,"^Alexander Loeser$", "i")
+    }
+    UNION
+    {
+      ?Res rdfs:label ?_v3 FILTER regex(?_v3,"^Alexander Loeser$", "i")
+    }
+  }
+  ?Res ?Attr ?Val
+}
+ORDER BY ?Res
+EOT
+        , <<<EOT
+GP #0 filter(1)
+  ?Res, ?Attr, ?Val
+  ?Res, Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"), ?_v1
+  ?Res, Resource("http://www.w3.org/1999/02/22-rdf-syntax-nss#label"), ?_v3
+GP #1 unionWith(0) filter(1)
+  ?Res, ?Attr, ?Val
+  ?Res, Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"), ?_v1
+  ?Res, Resource("http://xmlns.com/foaf/0.1/name"), ?_v2
+
+EOT
+    ),
+
+    /////next\\\\\
+    array( <<<EOT
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+
+SELECT ?name ?mbox
+WHERE
+  {
+    { ?person rdf:type foaf:Person } .
+    OPTIONAL { ?person foaf:name  ?name } .
+    OPTIONAL {?person foaf:mbox  ?mbox} .
+  }
+  UNION
+  {
+    { ?person2 rdf:kind foaf:Person } .
+    OPTIONAL {?person2 <asdf> ?mbox. ?person2 rdf:laughs ?atyou } .
+  }
+EOT
+        , <<<EOT
+GP #1
+  ?person, Resource("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"), Resource("http://xmlns.com/foaf/0.1/Person")
+GP #2 optionalTo(1)
+  ?person, Resource("http://xmlns.com/foaf/0.1/name"), ?name
+GP #3 optionalTo(1)
+  ?person, Resource("http://xmlns.com/foaf/0.1/mbox"), ?mbox
+
+EOT
+    ),
+
+    /////next\\\\\
+    array( <<<EOT
+PREFIX foaf:       <http://xmlns.com/foaf/0.1/>
+SELECT DISTINCT ?value
+WHERE {
+      {?s ?p ?value . FILTER (isIRI(?value)). OPTIONAL { ?s ?p ?value} }
+UNION {?s ?value ?o . FILTER (isIRI(?value)) }
+UNION {?value ?p ?o . FILTER (isIRI(?value)) }
+      }
+EOT
+        , <<<EOT
+GP #1 filter(1)
+  ?s, ?p, ?value
+GP #2 optionalTo(1)
+  ?s, ?p, ?value
+GP #3 unionWith(1) filter(1)
+  ?s, ?value, ?o
+GP #4 unionWith(3) filter(1)
+  ?value, ?p, ?o
+
+EOT
+    ),
+
+/*
+
+    /////next\\\\\
+    array( <<<EOT
+EOT
+        , <<<EOT
+EOT
+    ),
+*/
+);
+?>
\ No newline at end of file

Deleted: trunk/rdfapi-php/test/unit/Sparql/filterCases.php
===================================================================
--- trunk/rdfapi-php/test/unit/Sparql/filterCases.php	2007-06-21 14:48:58 UTC (rev 462)
+++ trunk/rdfapi-php/test/unit/Sparql/filterCases.php	2007-06-21 15:52:53 UTC (rev 463)
@@ -1,406 +0,0 @@
-<?php
-/**
-* Filter parser tests
-*/
-$GLOBALS['testSparqlParserTestsFilter'] = array(
-    array(
-<<<EOT
-PREFIX foaf: <http://xmlns.com/foaf/0.1/>
-SELECT ?s, ?o
-{ ?s foaf:name ?o . FILTER (?s = ?o)}
-EOT
-,
-        array(
-            'type'      => 'equation',
-            'operator'  => '=',
-            'operand1'  => array('type' => 'value', 'value' => '?s', 'quoted' => false),
-            'operand2'  => array('type' => 'value', 'value' => '?o', 'quoted' => false)
-        )
-    ),
-
-    array(
-<<<EOT
-PREFIX foaf: <http://xmlns.com/foaf/0.1/>
-PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
-SELECT ?s, ?o
-{ ?s foaf:name ?o . FILTER (! bound(?s))}
-EOT
-,
-        array(
-            'negated'   => true,
-            't...
 
[truncated message content]

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