function it_calculates_the_distance_between_two_different_postcodes_in_km(Address $addressA, Address $addressB, Response $a, Response $b)
{
$postcodeA = '1234AB';
$postcodeB = '5678CD';
$addressA->getLatitude()->willReturn(52.3747157);
// Amsterdam (nl)
$addressA->getLongitude()->willReturn(4.8986182);
$addressA->distanceToAddress($addressB)->willReturn(177.583)->shouldBeCalledTimes(1);
$addressB->getLatitude()->willReturn(50.8577968);
// Maastricht (nl)
$addressB->getLongitude()->willReturn(5.7009038);
$a->getAddress()->willReturn($addressA);
$b->getAddress()->willReturn($addressB);
$this->client->postcode($postcodeA)->willReturn($a)->shouldBeCalledTimes(1);
$this->client->postcode($postcodeB)->willReturn($b)->shouldBeCalledTimes(1);
$this->getDistanceBetweenPostcodesInKM($postcodeA, $postcodeB)->shouldReturn(177.583);
}
/**
* calculates the distance in KM between postcodeA and postcodeB
*
* @param string $postcodeA
* @param string $postcodeB
*
* @return float
*/
public function getDistanceBetweenPostcodesInKM($postcodeA, $postcodeB)
{
$addressA = $this->client->postcode($postcodeA)->getAddress();
$addressB = $this->client->postcode($postcodeB)->getAddress();
return $addressA->distanceToAddress($addressB);
}
