/**
* @param NodeInterface $node
*
* @return NodeCollectionInterface
*/
public function flow(NodeInterface $node)
{
if (!$node instanceof NodeCollectionInterface) {
throw new InvalidArgumentException("The supplied {$node} is not a NodeCollectionInterface");
}
$map = new Map(function (NodeInterface $item) {
return $this->flow->flow($item);
});
return $map->flow($node);
}
public function testFlow()
{
$func = function () use(&$called) {
$called = true;
return true;
};
$flow = new Map($func);
$node = m::mock(NodeCollectionInterface::class);
$node->shouldReceive('map')->with($func)->andReturn([]);
$response = $flow->flow($node);
static::assertNotSame($response, $node);
static::assertInstanceOf(NodeCollectionInterface::class, $response);
}
