lib/cfoundry/v2/model.rb in cfoundry-0.4.7 vs lib/cfoundry/v2/model.rb in cfoundry-0.4.8

@@ -50,13 +50,16 @@
     # this does a bit of extra processing to allow for
     # `delete!' followed by `create!'
     def create!
       payload = {}
 
+      @manifest ||= {}
+      @manifest[:entity] ||= {}
+
       self.class.defaults.merge(@manifest[:entity]).each do |k, v|
         if v.is_a?(Hash) && v.key?(:metadata)
           # skip; there's a _guid attribute already
-        elsif v.is_a?(Array) && v.all? { |x|
+        elsif v.is_a?(Array) && !v.empty? && v.all? { |x|
                 x.is_a?(Hash) && x.key?(:metadata)
               }
           singular = k.to_s.sub(/s$/, "")
 
           payload[:"#{singular}_guids"] = v.collect do |x|