/**
* In case there are no dependencies all nodes should be returned in their added order.
*
* @test
*/
public function testWithoutDependencies()
{
$graph = new DependencyGraph();
$graph->addNode($nodeA = new DependencyNode('A'));
$graph->addNode($nodeB = new DependencyNode('B'));
$graph->addNode($nodeC = new DependencyNode('C'));
$graph->addNode($nodeD = new DependencyNode('D'));
$resolved = $graph->resolve();
$this->assertEquals(array('A', 'B', 'C', 'D'), $resolved);
$this->assertEquals(array($nodeA, $nodeB, $nodeC, $nodeD), $graph->getNodes());
}
