more updates for sprockets-rails 3

Author: bolandrm

Rakefile

@@ -7,6 +7,8 @@ end
 
 namespace :tests do
   gemfiles = %w[
+    sprockets-rails_3_0
+    sprockets-rails_2_3
     sprockets_2_12
     sprockets_3_0
     rails_4_2

gemfiles/sprockets-rails_2_3.gemfile

@@ -0,0 +1,6 @@
+source 'https://rubygems.org'
+
+gem "sprockets-rails", "~> 2.3.0"
+
+# Specify your gem's dependencies in sassc-rails.gemspec
+gemspec path: "../"

gemfiles/sprockets-rails_3_0.gemfile

@@ -1,7 +1,6 @@
 source 'https://rubygems.org'
 
-gem "sprockets", "~> 3.0.0"
-gem "sprockets-rails", github: "rails/sprockets-rails"
+gem "sprockets-rails", "~> 3.0.0"
 
 # Specify your gem's dependencies in sassc-rails.gemspec
 gemspec path: "../"

test/sassc_rails_test.rb

@@ -22,9 +22,7 @@ def setup
     @app.config.sass.line_comments    = false
 
     # Add a fake compressor for testing purposes
-    @app.config.assets.configure do |env|
-      env.register_compressor "text/css", :test, TestCompressor
-    end
+    Sprockets.register_compressor "text/css", :test, TestCompressor
 
     Rails.backtrace_cleaner.remove_silencers!
   end
@@ -41,26 +39,16 @@ def render_asset(asset)
   def initialize!
     Rails.env = "test"
     @app.initialize!
-    handle_sass_rails
   end
 
   def initialize_dev!
     Rails.env = "development"
     @app.initialize!
-    handle_sass_rails
   end
 
   def initialize_prod!
     Rails.env = "production"
     @app.initialize!
-    handle_sass_rails
-  end
-
-  def handle_sass_rails
-    if defined?(Sass::Rails)
-      Rails.application.assets.register_engine '.sass', SassC::Rails::SassTemplate
-      Rails.application.assets.register_engine '.scss', SassC::Rails::ScssTemplate
-    end
   end
 
   def test_setup_works