require 'spec_helper'

describe Packr::Rails do

  include RailsProjectSpecHelpers

  # before do
  #   @js_path = {
  #     :a => fixture_path("rails_project/app/assets/javascripts/test_a.js"),
  #     :b => fixture_path("rails_project/app/assets/javascripts/test_b.js.packr")
  #   }
  #   @js_source = {
  #     :a => File.read(@js_path[:a]).to_s,
  #     :b => File.read(@js_path[:b]).to_s
  #   }
  # end

  describe "VERSION" do
    it 'should be defined' do
      defined?(::Packr::Rails::VERSION)
    end

    it 'should be a valid version string (e.g. "0.0.1", or "0.0.1.rc1")' do
      valid_version_string = /^\d+\.\d+\.\d+/
      Packr::Rails::VERSION.must_match valid_version_string
    end
  end

  describe "Compressor" do
    it 'should be defined' do
      Packr::Rails::Compressor.must_be_kind_of Class
    end

    it 'should compress using Packr' do
      js_path = fixture_path("rails_project/app/assets/javascripts/test_a.js")
      js_source = File.read(js_path)

      compressor = Packr::Rails::Compressor.new
      compressor.expects(:compress_options).returns(::Packr::Rails::Railtie::DEFAULTS[:pack_options])

      packed_js_via_compressor = compressor.compress(js_source)
      packed_js_via_compressor.must_equal Packr.pack(js_source, ::Packr::Rails::Railtie::DEFAULTS[:pack_options])
    end
  end

  describe "Template" do
    it 'should be defined' do
      Packr::Rails::Template.must_be_kind_of Class
    end
  end

  describe "Railtie" do
    it 'should be defined' do
      Packr::Rails::Railtie.must_be_kind_of Class
    end
  end

  describe "Integration" do
    it "should integrate with sprockets correctly" do
      filename = 'test_a.js'
      js_output =
        within_rails_app("rails_project") do
          runcmd "ruby script/rails runner 'puts Rails.application.assets[#{filename.inspect}]'"
        end
      js_output.must_match(/#{Regexp.escape("A.hello")}/)
    end

    it 'should compress using the optional JS compressor' do
      js_path = fixture_path("rails_project/app/assets/javascripts/test_a.js")
      js_source = File.read(js_path)

      js_output = Packr::Rails::Compressor.new.compress(js_source)
      js_output.must_equal Packr.pack(js_source)
    end
  end

end