require File.dirname(__FILE__) + '/../test_helper'
require 'password'

class UserTest < Test::Unit::TestCase
  fixtures :users, :roles

  # Replace this with your real tests.
  def test_invalid_with_empty_attributes
    user = User.new
	assert !user.valid?
  end

  def test_invalid_role
	  user = User.new(
		  :username => 'yyy',
		  :password => 'update',
		  :role_id => '6'
	  )
	  assert !user.save
	  #assert_equal "is invalid", user.errors.on(:role_id)
  end
end

class User < ActiveRecord::Base
	belongs_to :role

	validates_length_of :username,
						:within => 3..40
	validates_length_of :password,
						:minimum => 6,
						:if => :perform_password_validation?
	validates_confirmation_of :password, :if => :perform_password_validation?
	validates_presence_of :username, :password, :role_id
	validates_uniqueness_of :username
	validates_format_of :email_address,
						:with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i,
						:if => Proc.new {|c| not c.email_address.blank?},
						:message => "is invalid"
	validates_associated :role

	before_save :hash_password
	attr_accessor :password

	def self.authenticate(username,password)
		user = find(:first, :conditions => ['username = ?', username])

		if Password::check(password, user.password_hash)
			user
		else
			return false
		end
	end

	protected

	def hash_password
		self.password_hash = Password::update(self.password) unless self.password.blank?
	end

	def perform_password_validation?
		self.new_record? ? true : !self.password.blank?
	end
end