Merge pull request #223 from recurly/changed-attributes

Don't set changed attributes when reading a resource

lib/recurly/resource.rb

@@ -478,7 +478,11 @@ def has_many collection_name, options = {}
         associations << Association.new(:has_many, collection_name.to_s, options)
         associations_helper.module_eval do
           define_method collection_name do
-            self[collection_name] ||= []
+            if self[collection_name]
+              self[collection_name]
+            else
+              attributes[collection_name] = []
+            end
           end
           if options.key?(:readonly) && options[:readonly] == false
             define_method "#{collection_name}=" do |collection|

spec/recurly/resource_spec.rb

@@ -210,6 +210,12 @@ def to_param
       it "must return a pager for fresh records" do
         resource.new.reasons.must_be_kind_of Enumerable
       end
+
+      it "should not set changed attributes when reading a resource" do
+        record = resource.new
+        record.reasons
+        record.changed_attributes.keys.must_be_empty
+      end
     end
 
     describe ".has_one and .belongs_to" do