lib/viacep/address.rb in viacep-2.0.1 vs lib/viacep/address.rb in viacep-2.0.2

@@ -4,10 +4,18 @@
   class Address
     attr_reader :cep, :address, :neighborhood, :city, :state, :ibge, :gia
 
     # Initializes an instance of Address and fetches the CEP using the external API
     def initialize(cep, options = {})
+      if cep.nil?
+        raise ArgumentError, 'CEP cannot be nil'
+      end
+
       cep = cep.to_s.delete('^0-9')
+
+      if cep.length != 8
+        raise ArgumentError, 'CEP must have 8 digits'
+      end
 
       response = Service.fetch cep, options[:timeout]
       fill_from response
     end