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require File.expand_path('../helper', __FILE__)

begin
require 'sass'

class SassTest < Test::Unit::TestCase
  def sass_app(options = {}, &block)
    mock_app {
      set :views, File.dirname(__FILE__) + '/views'
      set options
      get '/', &block
    }
    get '/'
  end

  it 'renders inline Sass strings' do
    sass_app { sass "#sass\n :background-color white\n" }
    assert ok?
    assert_equal "#sass {\n background-color: white; }\n", body
  end

  it 'defaults content type to css' do
    sass_app { sass "#sass\n :background-color white\n" }
    assert ok?
    assert_equal "text/css;charset=utf-8", response['Content-Type']
  end

  it 'defaults allows setting content type per route' do
    sass_app do
      content_type :html
      sass "#sass\n :background-color white\n"
    end
    assert ok?
    assert_equal "text/html;charset=utf-8", response['Content-Type']
  end

  it 'defaults allows setting content type globally' do
    sass_app(:sass => { :content_type => 'html' }) do
      sass "#sass\n :background-color white\n"
    end
    assert ok?
    assert_equal "text/html;charset=utf-8", response['Content-Type']
  end

  it 'renders .sass files in views path' do
    sass_app { sass :hello }
    assert ok?
    assert_equal "#sass {\n background-color: white; }\n", body
  end

  it 'ignores the layout option' do
    sass_app { sass :hello, :layout => :layout2 }
    assert ok?
    assert_equal "#sass {\n background-color: white; }\n", body
  end

  it "raises error if template not found" do
    mock_app {
      get('/') { sass :no_such_template }
    }
    assert_raise(Errno::ENOENT) { get('/') }
  end

  it "passes SASS options to the Sass engine" do
    sass_app {
      sass "#sass\n :background-color white\n :color black\n",
        :style => :compact
    }
    assert ok?
    assert_equal "#sass { background-color: white; color: black; }\n", body
  end

  it "passes default SASS options to the Sass engine" do
    mock_app {
      set :sass, {:style => :compact} # default Sass style is :nested
      get '/' do
        sass "#sass\n :background-color white\n :color black\n"
      end
    }
    get '/'
    assert ok?
    assert_equal "#sass { background-color: white; color: black; }\n", body
  end

  it "merges the default SASS options with the overrides" do
    mock_app {
      # default Sass attribute_syntax is :normal (with : in front)
      set :sass, {:style => :compact, :attribute_syntax => :alternate }
      get '/' do
        sass "#sass\n background-color: white\n color: black\n"
      end
      get '/raised' do
        # retains global attribute_syntax settings
        sass "#sass\n :background-color white\n :color black\n",
          :style => :expanded
      end
      get '/expanded_normal' do
        sass "#sass\n :background-color white\n :color black\n",
          :style => :expanded, :attribute_syntax => :normal
      end
    }
    get '/'
    assert ok?
    assert_equal "#sass { background-color: white; color: black; }\n", body
    assert_raise(Sass::SyntaxError) { get('/raised') }
    get '/expanded_normal'
    assert ok?
    assert_equal "#sass {\n background-color: white;\n color: black;\n}\n",
      body
  end
end

rescue LoadError
  warn "#{$!.to_s}: skipping sass tests"
end
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