kiote

class Project < ActiveRecord::Base
  after_create :send_create_notifications

  private
    def send_create_notifications
      self.members.each do |member|
        ProjectMailer.deliver_notification(self, member)
      end
    end
end

kiote

def followers_count(user)
  c = Twitter.followers_count(user)
  user.update_attribute(:followers_count, c)
end

kiote

stub_request(:any, "api.twitter.com/followrs/count").with(:body=>'Hi')

kiote

require 'webmock/rspec'

RSpec.configure do |config|
  WebMock.disable_net_connect!
  require 'vcr'
  VCR.config do |c|
    c.cassette_library_dir = 'vcr_cassettes'
    c.stub_with :webmock
    c.default_cassette_options = { :record => :once }
  end

kiote

it "should get followers count" do
  VCR.use_cassette('twi_followers_count') do
    MyModel.followers_count(@user).should == 3
  end
end

kiote

class HtmlReporter
  def make_report(data)
    make_html_header
    make_html_body
    make_html_footer
  end
end

kiote

class HtmlReporter
  def make_report(data)
    make_html_header
    make_html_body
    make_html_footer
  end
end

class PdfReporter
  def make_report(data)

kiote

class Report
  def make_report(data)
    make_header
    make_body
    make_footer
  end

  protected 
  
  # методы ничего не реализуют

kiote

class HtmlReporter < SomthingElse
  include Reporter

  protected 

  # реализация методов для html-версии
  def make_header
  end

  def make_body

kiote

class MyClass
  def do_somth_with_class
     OtherClass.method
     other_stuff
  end
end