lib/remi/job.rb in remi-0.2.14 vs lib/remi/job.rb in remi-0.2.15

@@ -5,10 +5,10 @@
       attr_accessor :sources
       attr_accessor :targets
       attr_accessor :transforms
 
       def define_param(key, value)
-        @params ||= {}
+        @params ||= Hash.new { |h, key| raise "Parameter #{key} is not defined" }
         @params[key] = value
       end
 
       def define_source(name, type_class, **options)
         @sources ||= []