lib/mixlib/config.rb in mixlib-config-2.2.10 vs lib/mixlib/config.rb in mixlib-config-2.2.11

@@ -151,10 +151,10 @@
     #
     # === Returns
     # <True>:: If the config option exists
     # <False>:: If the config option does not exist
     def key?(key)
-      configuration.has_key?(key.to_sym)
+      configuration.has_key?(key.to_sym) || config_contexts.has_key?(key.to_sym)
     end
 
     alias_method :has_key?, :key?
 
     # Resets a config option to its default.