rails--rails/activerecord/test/cases/secure_token_test.rb

require 'cases/helper'
require 'models/user'

class SecureTokenTest < ActiveRecord::TestCase
  setup do
    @user = User.new
  end

  def test_token_values_are_generated_for_specified_attributes_and_persisted_on_save
    @user.save
    assert_not_nil @user.token
    assert_not_nil @user.auth_token
  end

  def test_regenerating_the_secure_token
    @user.save
    old_token = @user.token
    old_auth_token = @user.auth_token
    @user.regenerate_token
    @user.regenerate_auth_token

    assert_not_equal @user.token, old_token
    assert_not_equal @user.auth_token, old_auth_token
  end

  def test_raise_after_ten_unsuccessful_attempts_to_generate_a_unique_token
    User.stubs(:exists?).returns(*Array.new(10, true))
    assert_raises(RuntimeError) do
      @user.save
    end
  end

  def test_return_unique_token_after_nine_unsuccessful_attempts
    User.stubs(:exists?).returns(*Array.new(10) { |i| i == 9 ? false : true })
    @user.save
    assert_not_nil @user.token
    assert_not_nil @user.auth_token
  end
end