protected function setUp()
{
$this->vectorSize = rand(5, 10);
$this->size = 10;
$this->elementGenerator = new ChooseGenerator(1, 10);
$this->vectorGenerator = new VectorGenerator($this->vectorSize, $this->elementGenerator);
$this->sum = function ($acc, $item) {
$acc = $acc + $item;
return $acc;
};
$this->rand = 'rand';
}