them0nk

#Model 

@user.should have(1).error_on(:username) # Checks whether there is an error in username 
@user.errors[:username].should include("can't be blank")  # check for the error message 

#Rendering
response.should render_template(:index)

#Redirecting 
response.should redirect_to(movies_path)

caius

require "uri"

(URI::REGEXP.constants - ["PATTERN"]).each do |rc|
  puts "#{rc}: #{URI::REGEXP.const_get(rc)}"
end

URI::REGEXP::PATTERN.constants.each do |pc|
  puts "#{pc}: #{URI::REGEXP::PATTERN.const_get(pc)}"
end