/**
* Tests whether creating an existing node returns the instance of that node
*/
public function testCreateExistingNode()
{
$node1 = $this->graph->getNode('http://example.com/node/1');
$nodeType = $this->graph->getNode('http://vocab.com/type/node');
$this->assertSame($node1, $this->graph->createNode('http://example.com/node/1'));
$this->assertSame($nodeType, $this->graph->createNode('http://vocab.com/type/node'));
}
