/** * @Then /^(its|theirs) price should be decreased by ("[^"]+")$/ * @Then /^(product "[^"]+") price should be decreased by ("[^"]+")$/ */ public function itsPriceShouldBeDecreasedBy(ProductInterface $product, $amount) { $this->summaryPage->open(); $quantity = $this->summaryPage->getQuantity($product->getName()); $itemTotal = $this->summaryPage->getItemTotal($product->getName()); $regularUnitPrice = $this->summaryPage->getItemUnitRegularPrice($product->getName()); Assert::same($quantity * $regularUnitPrice - $amount, $this->getPriceFromString($itemTotal), 'Price after discount should be %s, but it is %2$s.'); }