require 'rails_helper'

module Logistics
  module Core
    RSpec.describe UnitService do
      describe '#convert_unit' do
        it 'converts to quintal' do
          create(:unit, abbreviation: 'qt', name: 'Quintal', rate_to_base: 1)
          create(:unit, abbreviation: 'kg', name: 'Kilogram', rate_to_base: 5)
          unit_service = UnitService.new
          converted = unit_service.convert_unit(20, 'kg')
          expect(converted).to eq 4
        end

        it 'converts from quintal' do
          create(:unit, abbreviation: 'qt', name: 'Quintal', rate_to_base: 1)
          create(:unit, abbreviation: 'kg', name: 'Kilogram', rate_to_base: 5)
          unit_service = UnitService.new
          converted = unit_service.convert_unit(6, 'kg', false)
          expect(converted).to eq 30
        end
      end
    end
  end
end