public function it_should_be_able_to_get_total_ribbon_length_from_contained_boxes(BoxInterface $box1, BoxInterface $box2)
{
$box1Length = rand(1, 1000);
$box2Length = rand(1, 1000);
$box1->getRibbonLength()->willReturn($box1Length);
$box2->getRibbonLength()->willReturn($box2Length);
$this->addBox($box1);
$this->addBox($box2);
$this->getTotalRibbonLength()->shouldBe($box1Length + $box2Length);
}
function it_can_get_total_ribbon_length(BoxInterface $box1, BoxInterface $box2)
{
$boxPerimeter1 = 78;
$boxPerimeter2 = 15;
$box1->getRibbonLength()->willReturn($boxPerimeter1);
$box2->getRibbonLength()->willReturn($boxPerimeter2);
$this->addBox($box1);
$this->addBox($box2);
$this->getTotalRibbonLength()->shouldBe($boxPerimeter1 + $boxPerimeter2);
}