Only run metaclass specs if AS > 4.1 or Ruby < 2.1

Gemfile

@@ -10,6 +10,8 @@ gem 'activerecord-jdbcsqlite3-adapter', :platforms => :jruby
 gem 'rubysl', :platforms => :rbx
 gem 'racc', :platforms => :rbx
 
+gem 'pry'
+
 # Hinting at development dependencies
 # Prevents bundler from taking a long-time to resolve
 group :development, :test do

spec/paperclip/meta_class_spec.rb

@@ -2,6 +2,7 @@ require 'spec_helper'
 
 describe 'Metaclasses' do
   context "A meta-class of dummy" do
+    if active_support_version >= "4.1" || ruby_version < "2.1"
       before do
         rebuild_model("Dummy")
         reset_class("Dummy")
@@ -25,4 +26,5 @@ describe 'Metaclasses' do
         assert @dummy.save
       end
     end
+  end
 end

spec/spec_helper.rb

@@ -10,6 +10,8 @@ require 'ostruct'
 
 ROOT = Pathname(File.expand_path(File.join(File.dirname(__FILE__), '..')))
 
+puts "Testing against version #{ActiveRecord::VERSION::STRING}"
+
 $LOAD_PATH << File.join(ROOT, 'lib')
 $LOAD_PATH << File.join(ROOT, 'lib', 'paperclip')
 require File.join(ROOT, 'lib', 'paperclip.rb')
@@ -29,6 +31,7 @@ RSpec.configure do |config|
   config.include Assertions
   config.include ModelReconstruction
   config.include TestData
+  config.extend VersionHelper
   config.extend RailsHelpers::ClassMethods
   config.mock_framework = :mocha
   config.before(:all) do

spec/support/version_helper.rb

+module VersionHelper
+  def active_support_version
+    ActiveSupport::VERSION::STRING
+  end
+
+  def ruby_version
+    RUBY_VERSION
+  end
+end