Remove Rails Dependency

Rakefile

@@ -9,3 +9,5 @@ Rake::TestTask.new(:test) do |t|
   t.pattern = 'test/**/*_test.rb'
   t.verbose = true
 end
+
+task :default => :test

active_model_serializers.gemspec

@@ -12,6 +12,8 @@ Gem::Specification.new do |gem|
   gem.name          = "active_model_serializers"
   gem.require_paths = ["lib"]
   gem.version       = "0.0.1"
-
-  gem.add_dependency "rails", "~> 3.0"
+
+  gem.add_dependency 'activemodel', '~> 3.0'
+
+  gem.add_development_dependency "rails", "~> 3.0"
 end

lib/action_controller/serialization.rb

@@ -16,7 +16,7 @@ module ActionController
   #
   #    class ApplicationController < ActionController::Base
   #      private
-  #      
+  #
   #      def serialization_scope
   #        current_user
   #      end
@@ -48,4 +48,4 @@ def serialization_scope(scope)
       end
     end
   end
-end
+end

lib/active_model_serializers.rb

@@ -23,12 +23,14 @@ def active_model_serializer
   end
 end
 
-require "action_controller"
+begin
+  require 'action_controller'
+  require 'action_controller/serialization'
 
-module ActionController
-  autoload :Serialization, "action_controller/serialization"
+  ActiveSupport.on_load(:action_controller) do
+    include ::ActionController::Serialization
+  end
+rescue LoadError => ex
+  puts ex
+  # rails on installed, continuing
 end
-
-ActiveSupport.on_load(:action_controller) do
-  include ::ActionController::Serialization
-end

test/generators_test.rb

@@ -1,4 +1,4 @@
-require 'rails'
+require 'test_helper'
 
 class Foo < Rails::Application
 end

test/serialization_test.rb

@@ -169,4 +169,4 @@ def test_render_json_with_serializer_api_but_without_serializer
     get :render_json_with_serializer_api_but_without_serializer
     assert_match '{"serializable_object":true}', @response.body
   end
-end
+end

test/test_helper.rb

@@ -7,6 +7,8 @@
 require "active_support/json"
 require "test/unit"
 
+require 'rails'
+
 module TestHelper
   Routes = ActionDispatch::Routing::RouteSet.new
   Routes.draw do
@@ -21,4 +23,4 @@ module TestHelper
   setup do
     @routes = ::TestHelper::Routes
   end
-end
+end