/**
* @param ProductWasAddedToBasket $event
*/
private function whenProductWasAddedToBasket(ProductWasAddedToBasket $event)
{
$productId = $event->productId()->toString();
if (!isset($this->products[$productId])) {
$this->products[$productId] = 0;
}
$this->products[$productId]++;
$this->productCount++;
}
/**
* @test
*/
public function itExposesAProductId()
{
$productId = ProductId::fromString('product-1');
$this->assertTrue($productId->equals($this->event->productId()));
}