/**
* @expectedException \InvalidArgumentException
* @expectedExceptionMessage Invalid node
*/
public function testShouldNotCreateNewInstanceFromInvalidNode()
{
$nodeID = 'foo';
$node = $this->getMock('JMGQ\\AStar\\Node');
$node->expects($this->once())->method('getID')->will($this->returnValue($nodeID));
MyNode::fromNode($node);
}
/**
* @inheritdoc
*/
public function calculateEstimatedCost(Node $start, Node $end)
{
$myStartNode = MyNode::fromNode($start);
$myEndNode = MyNode::fromNode($end);
$rowFactor = pow($myStartNode->getRow() - $myEndNode->getRow(), 2);
$columnFactor = pow($myStartNode->getColumn() - $myEndNode->getColumn(), 2);
$euclideanDistance = sqrt($rowFactor + $columnFactor);
return $euclideanDistance;
}
