update compression scheme

Author: bolandrm

lib/sassc/rails.rb

@@ -4,4 +4,5 @@
 require_relative "rails/functions"
 require_relative "rails/importer"
 require_relative "rails/template"
+require_relative "rails/compressor"
 require_relative "rails/railtie"

lib/sassc/rails/compressor.rb

@@ -0,0 +1,19 @@
+require 'sprockets/sass_compressor'
+
+class Sprockets::SassCompressor
+  def call(*args)
+    input = if defined?(data)
+      data
+    else
+      args[0][:data]
+    end
+
+    SassC::Engine.new(
+      input,
+      {
+        style: :compressed
+      }
+    ).render
+  end
+  alias :evaluate :call
+end

lib/sassc/rails/railtie.rb

@@ -56,7 +56,7 @@ class Railtie < ::Rails::Railtie
       app.config.assets.css_compressor = nil
 
       if !Rails.env.development?
-        app.config.sass.style = :compressed
+        app.config.assets.css_compressor ||= :sass
       else
         # Use expanded output instead of the sass default of :nested unless specified
         app.config.sass.style ||= :expanded

test/sassc_rails_test.rb

@@ -155,17 +155,12 @@ def test_style_config_item_is_defaulted_to_expanded_in_development_mode
     assert_equal :expanded, Rails.application.config.sass.style
   end
 
-  def test_style_config_item_is_honored_in_development_mode
+  def test_style_config_item_is_honored
     @app.config.sass.style = :nested
-    initialize_dev!
+    initialize!
     assert_equal :nested, Rails.application.config.sass.style
   end
 
-  def test_style_config_item_is_not_honored_if_environment_is_not_development
-    initialize_prod!
-    assert_equal :compressed, Rails.application.config.sass.style
-  end
-
   def test_context_is_being_passed_to_erb_render
     initialize!
 
@@ -178,12 +173,34 @@ def test_special_characters_compile
     css_output = render_asset("special_characters.scss")
   end
 
+  def css_compressor_config_item_is_not_honored_in_development_mode
+    @app.config.assets.css_compressor = :test
+    initialize_dev!
+    assert_equal nil, Rails.application.config.assets.css_compressor
+  end
+
+  def css_compressor_config_item_is_honored_if_not_development_mode
+    @app.config.assets.css_compressor = :test
+    initialize_prod!
+    assert_equal :test, Rails.application.config.assets.css_compressor
+  end
+
+  def css_compressor_is_defined_in_test_mode
+    initialize_test!
+    assert_equal :sass, Rails.application.config.assets.css_compressor
+  end
+
+  def css_compressor_is_defined_in_prod_mode
+    initialize_prod!
+    assert_equal :sass, Rails.application.config.assets.css_compressor
+  end
+
   def test_compression_works
     initialize_prod!
 
     asset = render_asset("application.scss")
     assert_equal <<-CSS, asset
-.hello{color:#fff}
+.hello{color:#FFF}
     CSS
   end