asset_registration_spec.rb

require 'spec_helper' 

module MockRegistration
  extend ActiveAdmin::AssetRegistration
end

describe ActiveAdmin::AssetRegistration do

  before do
    MockRegistration.clear_stylesheets!
    MockRegistration.clear_javascripts!
  end

  it "should register a stylesheet file" do
    MockRegistration.register_stylesheet "active_admin.css"
    MockRegistration.stylesheets.length.should == 1
    MockRegistration.stylesheets.first.path.should == "active_admin.css"
  end

  it "should clear all existing stylesheets" do
    MockRegistration.register_stylesheet "active_admin.css"
    MockRegistration.stylesheets.length.should == 1
    MockRegistration.clear_stylesheets!
    MockRegistration.stylesheets.length.should == 0
  end
  
  it "should allow media option when registering stylesheet" do
    MockRegistration.register_stylesheet "active_admin.css", :media => :print
    MockRegistration.stylesheets.first.options[:media].should == :print
  end

  it "should register a javascript file" do
    MockRegistration.register_javascript "active_admin.js"
    MockRegistration.javascripts.should == ["active_admin.js"]
  end

  it "should clear all existing javascripts" do
    MockRegistration.register_javascript "active_admin.js"
    MockRegistration.javascripts.should == ["active_admin.js"]    
    MockRegistration.clear_javascripts!
    MockRegistration.javascripts.should == []
  end
end