Included ActionView::Helpers in Rabl::Engine

Author: gazay

lib/gon/rabl.rb

@@ -1,3 +1,4 @@
+require 'action_view'
 require 'rabl'
 
 module Gon
@@ -10,6 +11,8 @@ def handler(args, global = false)
           raise 'You should provide :template when use rabl with global variables'
         end
 
+        include_helpers
+
         data = parse_rabl \
           Gon::Base.get_template_path(options, 'rabl'),
           Gon::Base.get_controller(options)
@@ -41,6 +44,12 @@ def parse_options_from(args)
         end
       end
 
+      def include_helpers
+        unless ::Rabl::Engine.include? ::ActionView::Helpers
+          ::Rabl::Engine.send(:include, ::ActionView::Helpers)
+        end
+      end
+
       def old_api?(args)
         args.first.is_a? String
       end

spec/gon/rabl_spec.rb

@@ -32,6 +32,11 @@
       Gon.objects.length.should == 2
     end
 
+    it 'works with ActionView::Helpers' do
+      Gon.rabl :template =>'spec/test_data/sample_with_helpers.rabl', :controller => controller
+      Gon.objects.first['object']['time_ago'].should == 'about 6 hours'
+    end
+
     it 'raise exception if rabl is not included' do
       Gon.send :remove_const, 'Rabl'
       expect { Gon.rabl :template =>'spec/test_data/sample.rabl', :controller => controller}.to raise_error

spec/test_data/sample_with_helpers.rabl

@@ -0,0 +1,3 @@
+collection @objects => 'objects'
+attributes :id
+node(:time_ago) { |_| distance_of_time_in_words(20000) }