Add features around url helpers

features/route_helpers.feature

@@ -0,0 +1,17 @@
+Feature: Route helpers should work in decorators
+
+  Background:
+    Given a post exists
+
+  Scenario:
+    Then a _path helper with the underlying model works
+    
+  Scenario:
+    Then a _path helper with the underlying model's id works
+
+  Scenario:
+    Then a _url helper with the underlying model works
+    
+  Scenario:
+    Then a _url helper with the underlying model's id works
+

features/step_definitions/route_steps.rb

@@ -0,0 +1,20 @@
+Given /^a post exists$/ do
+  @post = Post.create
+  @decorator = PostDecorator.decorate(@post)
+end
+
+Then /^a _path helper with the underlying model works$/ do
+  @decorator.path_helper_with_model.should == {:post_path => "/posts/#{@post.id}"}
+end
+
+Then /^a _path helper with the underlying model's id works$/ do
+  @decorator.path_helper_with_model_id.should == {:post_path => "/posts/#{@post.id}"}
+end
+
+Then /^a _url helper with the underlying model works$/ do
+  @decorator.url_helper_with_model.should == {:post_url => "http://www.example.com/posts/#{@post.id}"}
+end
+
+Then /^a _url helper with the underlying model's id works$/ do
+  @decorator.url_helper_with_model_id.should == {:post_url => "http://www.example.com/posts/#{@post.id}"}
+end

spec/dummy/app/decorators/post_decorator.rb

@@ -9,32 +9,19 @@ class PostDecorator < Draper::Decorator
     end
   end
 
-  # Accessing Helpers
+  def path_helper_with_model
-  #   You can access any helper via a proxy
+    {:post_path => h.post_path(self.model)}
-  #
+  end
-  #   Normal Usage: helpers.number_to_currency(2)
-  #   Abbreviated : h.number_to_currency(2)
-  #
-  #   Or, optionally enable "lazy helpers" by including this module:
-  #     include Draper::LazyHelpers
-  #   Then use the helpers with no proxy:
-  #     number_to_currency(2)
 
-  # Defining an Interface
+  def path_helper_with_model_id
-  #   Control access to the wrapped subject's methods using one of the following:
+    {:post_path => h.post_path(:id => self.model.id)}
-  #
+  end
-  #   To allow only the listed methods (whitelist):
-  #     allows :method1, :method2
-  #
-  #   To allow everything except the listed methods (blacklist):
-  #     denies :method1, :method2
 
-  # Presentation Methods
+  def url_helper_with_model
-  #   Define your own instance methods, even overriding accessors
+    {:post_url => h.post_url(self.model)}
-  #   generated by ActiveRecord:
+  end
-  #
+
-  #   def created_at
+  def url_helper_with_model_id
-  #     h.content_tag :span, attributes["created_at"].strftime("%a %m/%d/%y"),
+    {:post_url => h.post_url(:id => self.model.id)}
-  #                   :class => 'timestamp'
+  end
-  #   end
 end