require 'spec_helper' describe Valvat::Checksum::BE do %w(BE0123456749 BE0136695962 BE0817331995).each do |valid_vat| it "returns true on valid VAT #{valid_vat}" do expect(Valvat::Checksum.validate(valid_vat)).to eql(true) end invalid_vat = "#{valid_vat[0..-3]}#{valid_vat[-1]}#{valid_vat[-2]}" it "returns false on invalid VAT #{invalid_vat}" do expect(Valvat::Checksum.validate(invalid_vat)).to eql(false) end end end