public function testUnexpectedException()
 {
     $this->setExpectedException('Exception');
     $handler = \Mockery::mock(HandlerInterface::class . '[visit]')->makePartial()->shouldAllowMockingProtectedMethods()->shouldReceive('calculate')->andThrow('Exception')->getMock();
     $calculator = new BaseCalculator(['handler' => $handler]);
     $calculator->calculate(new Package());
 }
<?php

use EsteIt\ShippingCalculator\Calculator\BaseCalculator;
use EsteIt\ShippingCalculator\CalculatorHandler\AramexCalculatorHandler;
use EsteIt\ShippingCalculator\Model\Weight;
use EsteIt\ShippingCalculator\Model\Dimensions;
use EsteIt\ShippingCalculator\Model\Address;
use EsteIt\ShippingCalculator\Model\Package;
include_once __DIR__ . '/../vendor/autoload.php';
$config = (include __DIR__ . '/../src/Resources/Aramex/tariff_2015_08_25_usa.php');
$calculator = new BaseCalculator(['handler' => AramexCalculatorHandler::create($config)]);
$weight = new Weight();
$weight->setValue(10);
$weight->setUnit('lb');
$dimensions = new Dimensions();
$dimensions->setLength(10);
$dimensions->setWidth(10);
$dimensions->setHeight(10);
$dimensions->setUnit('in');
$senderAddress = new Address();
$senderAddress->setCountryCode('USA');
$recipientAddress = new Address();
$recipientAddress->setCountryCode('IND');
$package = new Package();
$package->setCalculationDate(new \DateTime());
$package->setWeight($weight);
$package->setDimensions($dimensions);
$package->setSenderAddress($senderAddress);
$package->setRecipientAddress($recipientAddress);
$result = $calculator->calculate($package);
var_dump($result->getTotalCost());