function testClosestWarehouse()
{
$warehouse = Warehouse::closest_to($this->objFromFixture("Address", "customeraddress1"));
$this->assertEquals("Main warehouse", $warehouse->Title);
$warehouse = Warehouse::closest_to($this->objFromFixture("Address", "customeraddress2"));
$this->assertEquals("NSW depot", $warehouse->Title);
}
public function calculateRate(ShippingPackage $package, Address $address)
{
$warehouse = Warehouse::closest_to($address);
$distance = $warehouse->Address()->distanceTo($address);
return $this->getDistanceFare($distance);
}