Allow default_serializer_options to be configured

lib/rocket_pants.rb

@@ -110,6 +110,14 @@ def pass_through_errors=(value)
       @@pass_through_errors = value
     end
 
+    def default_serializer_options=(value)
+      @@default_serializer_options = value
+    end
+
+    def default_serializer_options
+      defined?(@@default_serializer_options) ? @@default_serializer_options : {}
+    end
+
   end
 
 end

lib/rocket_pants/controller/respondable.rb

@@ -102,10 +102,8 @@ def normalise_object(object, options = {})
     end
 
     def default_serializer_options
-      {
-        :url_options => url_options,
-        :root        => false
-      }
+      RocketPants.default_serializer_options.reverse_merge({:url_options => url_options}) ||
+        {:url_options => url_options, :root => false}
     end
 
     def encode_to_json(object)
@@ -227,4 +225,4 @@ def metadata_for(object, options, type, singular)
     end
 
   end
-end
+end

lib/rocket_pants/railtie.rb

@@ -1,11 +1,11 @@
 module RocketPants
   class Railtie < Rails::Railtie
 
-    config.rocket_pants                     = ActiveSupport::OrderedOptions.new
-    config.rocket_pants.use_caching         = nil
-    config.rocket_pants.header_metadata     = nil
-    config.rocket_pants.pass_through_errors = nil
-    config.rocket_pants.pass_through_errors = nil
+    config.rocket_pants                            = ActiveSupport::OrderedOptions.new
+    config.rocket_pants.use_caching                = nil
+    config.rocket_pants.header_metadata            = nil
+    config.rocket_pants.pass_through_errors        = nil
+    config.rocket_pants.default_serializer_options = nil
 
     config.i18n.railties_load_path << File.expand_path('../locale/en.yml', __FILE__)
 
@@ -14,13 +14,14 @@ class Railtie < Rails::Railtie
     end
 
     initializer "rocket_pants.configuration" do |app|
-      rp_config                          = app.config.rocket_pants
-      rp_config.use_caching              = Rails.env.production? if rp_config.use_caching.nil?
-      RocketPants.caching_enabled        = rp_config.use_caching
-      RocketPants.header_metadata        = rp_config.header_metadata unless rp_config.header_metadata.nil?
-      RocketPants.serializers_enabled    = rp_config.serializers_enabled unless rp_config.serializers_enabled.nil?
-      RocketPants.show_exception_message = rp_config.show_exception_message unless rp_config.show_exception_message.nil?
-      RocketPants.pass_through_errors    = rp_config.pass_through_errors unless rp_config.pass_through_errors.nil?
+      rp_config                              = app.config.rocket_pants
+      rp_config.use_caching                  = Rails.env.production? if rp_config.use_caching.nil?
+      RocketPants.caching_enabled            = rp_config.use_caching
+      RocketPants.header_metadata            = rp_config.header_metadata unless rp_config.header_metadata.nil?
+      RocketPants.serializers_enabled        = rp_config.serializers_enabled unless rp_config.serializers_enabled.nil?
+      RocketPants.show_exception_message     = rp_config.show_exception_message unless rp_config.show_exception_message.nil?
+      RocketPants.pass_through_errors        = rp_config.pass_through_errors unless rp_config.pass_through_errors.nil?
+      RocketPants.default_serializer_options = rp_config.default_serializer_options unless rp_config.default_serializer_options.nil?
       # Set the rocket pants cache if present.
       RocketPants.cache = rp_config.cache if rp_config.cache
     end
@@ -54,4 +55,4 @@ class Railtie < Rails::Railtie
     end
 
   end
-end
+end

lib/rocket_pants/rspec_matchers.rb

@@ -21,6 +21,7 @@ def self.normalise_urls(object)
 
     # Converts it to JSON and back again.
     def self.normalise_as_json(object, options = {})
+      options = RocketPants.default_serializer_options.reverse_merge(options)
       options = options.reverse_merge(:compact => true) if object.is_a?(Array)
       object = RocketPants::Respondable.normalise_object(object, options)
       j = ActiveSupport::JSON