Make sure that we're copy the rake task to Rails' folder on Rails 2.3.x

features/rake_tasks.feature

@@ -5,6 +5,7 @@ Feature: Rake tasks
     And I run a rails generator to generate a "User" scaffold with "name:string"
     And I run a paperclip generator to add a paperclip "attachment" to the "User" model
     And I run a migration
+    And I prepare my old Rails application for rake task
     And I add this snippet to the User model:
       """
       has_attached_file :attachment, :path => ":rails_root/public/system/:attachment/:style/:filename"

features/step_definitions/attachment_steps.rb

@@ -22,9 +22,7 @@ When /^I modify my attachment definition to:$/ do |definition|
 end
 
 When /^I upload the fixture "([^"]*)"$/ do |filename|
-  in_current_dir do
-    run_simple %(bundle exec rails runner "User.create!(:attachment => File.open('#{fixture_path(filename)}'))")
-  end
+  run_simple %(bundle exec #{runner_command} "User.create!(:attachment => File.open('#{fixture_path(filename)}'))")
 end
 
 Then /^the attachment "([^"]*)" should have a dimension of (\d+x\d+)$/ do |filename, dimension|
@@ -51,14 +49,14 @@ end
 Then /^the attachment should have the same content type as the fixture "([^"]*)"$/ do |filename|
   in_current_dir do
     require 'mime/types'
-    attachment_content_type = `bundle exec rails runner "puts User.last.attachment_content_type"`.strip
+    attachment_content_type = `bundle exec #{runner_command} "puts User.last.attachment_content_type"`.strip
     attachment_content_type.should == MIME::Types.type_for(filename).first.content_type
   end
 end
 
 Then /^the attachment should have the same file size as the fixture "([^"]*)"$/ do |filename|
   in_current_dir do
-    attachment_file_size = `bundle exec rails runner "puts User.last.attachment_file_size"`.strip
+    attachment_file_size = `bundle exec #{runner_command} "puts User.last.attachment_file_size"`.strip
     attachment_file_size.should == File.size(fixture_path(filename)).to_s
   end
 end

features/step_definitions/rails_steps.rb

@@ -113,6 +113,16 @@ Given /^I update my application to use Bundler$/ do
   end
 end
 
+Given /^I prepare my old Rails application for rake task$/ do
+  if framework_version?("2.3")
+    require 'fileutils'
+    source = File.expand_path('lib/tasks/paperclip.rake')
+    destination = in_current_dir { File.expand_path("lib/tasks") }
+    FileUtils.cp source, destination
+    append_to "Rakefile", "require 'paperclip'"
+  end
+end
+
 Then /^the file at "([^"]*)" should be the same as "([^"]*)"$/ do |web_file, path|
   expected = IO.read(path)
   actual = if web_file.match %r{^https?://}

features/support/rails.rb

@@ -38,5 +38,9 @@ module RailsCommandHelpers
   def generator_command
     framework_version?("3") ? "script/rails generate" : "script/generate"
   end
+
+  def runner_command
+    framework_version?("3") ? "script/rails runner" : "script/runner"
+  end
 end
 World(RailsCommandHelpers)