public function testAverageFillupConsumptionCalculation()
 {
     $averageUser = $this->getTestUser();
     $vehicle = Vehicle::firstOrCreate(['user_id' => $averageUser->id, 'registration' => 'ASD-567']);
     $fillupsData = $this->getFillupData($vehicle->id);
     $fillups = [];
     foreach ($fillupsData as $fillupData) {
         array_push($fillups, Fillup::firstOrCreate($fillupData));
     }
     $this->assertEquals(0, AverageConsumptionService::getFillupConsumption($fillups[0]->id));
     $this->assertEquals(60 / ((1500 - 1000) / 100), AverageConsumptionService::getFillupConsumption($fillups[1]->id));
     $this->assertEquals(70 / ((2000 - 1500) / 100), AverageConsumptionService::getFillupConsumption($fillups[2]->id));
 }
 /**
  * Store a newly created resource in storage.
  *
  * @param  Request $request
  * @return Response
  */
 public function store(Request $request, $vehicleId)
 {
     $this->assertVehicleExists($vehicleId);
     $fillup = Fillup::firstOrCreate(['vehicle_id' => $vehicleId, 'fillup_date' => $request->fillup_date, 'litres' => $request->litres, 'amount_paid' => $request->amount_paid, 'mileage' => $request->mileage]);
     return response()->json($fillup);
 }