RdfHelpers: extended guessFormat to recognize rdf/turtle; extended re…

…lated test cases
SaftIng · May 31, 2017 · 91d75b9 · 91d75b9
1 parent 1474c2a
commit 91d75b9
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 0 deletions.
diff --git a/RdfHelpers.php b/RdfHelpers.php
@@ -218,6 +218,10 @@ public function guessFormat($stringToCheck)
         // RDF/XML
         } elseif (0 < preg_match('/<rdf:/i', $short, $matches)) {
             return 'rdf-xml';
+
+        // turtle
+        } elseif (0 < preg_match('/@prefix\s|@base\s/i', $short, $matches)) {
+            return 'turtle';
         }
 
         return null;

diff --git a/Test/RdfHelpersTest.php b/Test/RdfHelpersTest.php
@@ -125,9 +125,17 @@ public function testGetQueryTypeSelect()
 
     public function testGuessFormat()
     {
+        // n-triples
         $this->assertEquals('n-triples', $this->fixture->guessFormat('<foo><bar>'));
         $this->assertEquals('n-triples', $this->fixture->guessFormat('<foo>'));
 
+        // rdf xml
+        $this->assertEquals('rdf-xml', $this->fixture->guessFormat('<rdf:aa'));
+
+        // turtle
+        $this->assertEquals('turtle', $this->fixture->guessFormat('@prefix foo:<http://bar>'));
+
+        // invalid strings
         $this->assertEquals(null, $this->fixture->guessFormat('<foo'));
         $this->assertEquals(null, $this->fixture->guessFormat('foo://>'));
     }