/**
* @dataProvider getItems
*/
public function testCalculate($items, $expected)
{
$totalCalculator = new TotalCalculator();
$result = $totalCalculator->calculate($items);
$this->assertEquals($expected, $result);
}
/**
* @return $this
*/
public function calculateTotal()
{
$this->totalPrice = $this->totalCalculator->calculate($this->cart);
return $this;
}