add test for working alongside sass-rails

Author: bolandrm

Rakefile

@@ -12,6 +12,7 @@ namespace :tests do
     rails_4_2
     rails_4_1
     rails_4_0
+    with_sass_rails
   ]
 
   gemfiles.each do |gemfile|

gemfiles/with_sass_rails.gemfile

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

lib/sassc/rails/railtie.rb

@@ -24,6 +24,12 @@ class Railtie < ::Rails::Railtie
     # Remove the sass middleware if it gets inadvertently enabled by applications.
     config.after_initialize do |app|
       app.config.middleware.delete(Sass::Plugin::Rack) if defined?(Sass::Plugin::Rack)
+
+      if app.assets
+        # do this after initialize so sass-rails doesn't interfere with us
+        app.assets.register_engine '.sass', SassC::Rails::SassTemplate
+        app.assets.register_engine '.scss', SassC::Rails::ScssTemplate
+      end
     end
 
     initializer :setup_sass, group: :all do |app|
@@ -42,9 +48,6 @@ class Railtie < ::Rails::Railtie
       # end
 
       if app.assets
-        app.assets.register_engine '.sass', SassC::Rails::SassTemplate
-        app.assets.register_engine '.scss', SassC::Rails::ScssTemplate
-
         app.assets.context_class.class_eval do
           class_attribute :sass_config
           self.sass_config = app.config.sass

test/sassc_rails_test.rb

@@ -166,6 +166,10 @@ def test_special_characters_compile
     css_output = render_asset("special_characters.scss")
   end
 
+  def test_compression_works
+    skip
+  end
+
   #test 'sprockets require works correctly' do
   #  skip