Added a basic cucumber feature that shows that the Railtie configuration works

features/basic_integration.feature

@@ -24,6 +24,25 @@ Feature: Rails integration
     And I should see an image with a path of "/system/attachments/original/5k.png"
     And the file at "/system/attachments/original/5k.png" should be the same as "test/fixtures/5k.png"
 
+  Scenario: Configure defaults for all attachments through Railtie
+    Given I add this snippet to config/application.rb:
+      """
+      config.paperclip_defaults = {:url => "/paperclip/custom/:attachment/:style/:filename"}
+      """
+    Given I add this snippet to the User model:
+      """
+      attr_accessible :name, :attachment
+      has_attached_file :attachment
+      """
+    And I start the rails application
+    When I go to the new user page
+    And I fill in "Name" with "something"
+    And I attach the file "test/fixtures/5k.png" to "Attachment"
+    And I press "Submit"
+    Then I should see "Name: something"
+    And I should see an image with a path of "/paperclip/custom/attachments/original/5k.png"
+    And the file at "/paperclip/custom/attachments/original/5k.png" should be the same as "test/fixtures/5k.png"
+
   Scenario: S3 Integration test
     Given I add this snippet to the User model:
       """

features/step_definitions/rails_steps.rb

@@ -65,6 +65,14 @@ Given /^I add this snippet to the User model:$/ do |snippet|
   end
 end
 
+Given /^I add this snippet to config\/application.rb:$/ do |snippet|
+  file_name = "config/application.rb"
+  in_current_dir do
+    content = File.read(file_name)
+    File.open(file_name, 'w') {|f| f << content.sub(/class Application < Rails::Application.*$/, "class Application < Rails::Application\n#{snippet}\n")}
+  end
+end
+
 Given /^I start the rails application$/ do
   in_current_dir do
     require "./config/environment"