lib/certmeister/policy.rb in certmeister-0.3.2 vs lib/certmeister/policy.rb in certmeister-0.4.0

@@ -9,9 +9,16 @@
     def self.validate_authenticate_returns_response(policy)
       response = policy.authenticate({})
       response.respond_to?(:authenticated?) and response.respond_to?(:error)
     end
 
+    def self.validate_policies(policies)
+      unless policies.is_a?(Enumerable) and policies.respond_to?(:size) and policies.size > 0 and
+          policies.all? { |policy| self.validate_authenticate_signature(policy) }
+        raise ArgumentError.new("enumerable collection of policies required")
+      end
+    end
+
   end
 
 end
 
 Dir.glob(File.join(File.dirname(__FILE__), "policy", "*.rb")) do |path|