classic_app_sample.rb

$LOAD_PATH.unshift File.join(File.dirname(__FILE__), '..', 'lib')
require 'rubygems'
require 'sinatra'

require 'sinatra/extension_template'


get '/' do
  'Classic sample application'
end

get '/defined' do
  my_sample_method('foo')
end

extension_template.rb

require 'sinatra/base'

module Sinatra
  # Use from classic "top-level" applications with:
  # require 'sinatra'
  # require 'sinatra/extension_template'
  #
  # Use from modular applications with:
  # require 'sinatra/base'
  # require 'sinatra/extension_template'
  # class MyApp < Sinatra::Base
  #   register Sinatra::ExtensionTemplate
  # end
  #
  module ExtensionTemplate
    module Helpers
      # Helper method sample
      def my_sample_method(foo='sample')
        foo
      end
    end

    # Extend DSL sample
    def self.registered(app)
      # Extend the request context
      app.helpers ExtensionTemplate::Helpers
      
      app.get '/sample' do
        'Hello from extension!'
      end
    end
  end
  
  # Extend the DSL context
  register ExtensionTemplate
end

test_sinatra_extension_template.rb

require File.join(File.dirname(__FILE__), 'classic_app_sample')

require 'test/unit'
require 'sinatra/test'

set :environment, :test

class TestApplication < Test::Unit::TestCase
  
  include Sinatra::Test
  
  def setup
    @app = Sinatra::Application
  end
  
  def test_home_ok
    get '/'
    assert_equal 200, @response.status
    assert @response.body.length > 0
  end
  
  def test_helper_method
    assert defined?(:my_sample_method)
    get '/defined'
    assert_equal 200, @response.status
    assert_equal 'foo', @response.body
  end
  
  
  def test_dsl_extension_fails_unless_explicitly_registerd_for_tests
    get '/sample'
    assert_equal 404, @response.status
  end
  
  def test_dsl_extension_ok_when_explicitly_registerd_for_tests
    @app.register Sinatra::ExtensionTemplate
    get '/sample'
    assert_equal 200, @response.status
  end
  
end