gistfile1.txt

require 'uri'
                                                                          
class Fetcher
  def fetch(url)                                                          
    parts  = URI.parse(url)
    socket = TCPSocket.new(parts.host, parts.port)                        
    socket << "GET / HTTP/1.0\r\n"                                        
    socket << "Host: #{parts.host}\r\n"
    socket << "\r\n"
    socket.read                                                           
  end
    
  def post(url, params)
    parts  = URI.parse(url)                                               
    socket = TCPSocket.new(parts.host, parts.port)                        
    socket << "POST / HTTP/1.0\r\n"                                       
    socket << "Host: #{parts.host}\r\n"                                   
    socket << "Content-Length: #{params.length}\r\n" 
    socket << "#{params}\r\n"                                             
    socket << "\r\n"                                                      
  end
end
                                                                          
describe Fetcher do
  before :all do                                                          
    @webpage = 'hello this is my page about my cat'
    
    @remote  = mock('receiver')
    @remote.stub!(:<<).with(instance_of(String))
    @remote.stub!(:read).and_return(@webpage)
    
    TCPSocket = mock('TCPSocket')
    TCPSocket.should_receive(:new).with(
      instance_of(String), instance_of(Fixnum)
    ).and_return(@remote)
  end
    
  it 'should fetch a webpage' do
    Fetcher.new.fetch('http://slashdot.org/').should == @webpage
  end
    
  it 'should post cat pictures' do
    Fetcher.new.post('http://slashdot.org/', 'a=1&b=2')
  end
end