Cache the result of build_catalog

lib/rspec-puppet/support.rb

@@ -1,6 +1,10 @@
 module RSpec::Puppet
   module Support
-    def build_catalog nodename, facts_val
+
+    @@cache = {}
+
+    protected
+    def build_catalog_without_cache nodename, facts_val
       node_obj = Puppet::Node.new(nodename)
 
       node_obj.merge(facts_val)
@@ -13,6 +17,11 @@ module RSpec::Puppet
       end
     end
 
+    public
+    def build_catalog *args
+      @@cache[args] ||= self.build_catalog_without_cache(*args)
+    end
+
     def munge_facts(facts)
       output = {}
       facts.keys.each { |key| output[key.to_s] = facts[key] }