rails models with before_save callbacks and fixtures

rails-model-before-save-fixtures.rb

# == Schema Information
#
# Table name: users
#
#  id                 :integer(4)      not null, primary key
#  first_name         :string(255)
#  last_name          :string(255)
#  email              :string(255)
#  thumbnail          :string(255)
#  user_type_id       :integer(4)
#  created_at         :datetime
#  updated_at         :datetime
#  encrypted_password :string(255)
#  salt               :string(255)
#

require 'base64'
require 'digest'

class User < ActiveRecord::Base
  attr_accessor :password
  attr_accessible :first_name, :last_name, :email, :password, :password_confirmation, :thumbnail, :user_type_id

  before_save :update_salt_and_encrypted_password
  
  # ... various members and methods deleted for brevity
    
  private
  
  def make_salt
    # ... implementation details hidden
  end
  
  def encrypt(string)
    # ... implementation details hidden
  end
  
  def update_salt_and_encrypted_password
    # Make a new salt if the password has changed
    self.salt = make_salt
    self.encrypted_password = encrypt(password)
  end
end