gistfile1.rb

  class PostTest < Test::Unit::TestCase
    fixtures :all

    should_belong_to :user
    should_have_many :tags, :through => :taggings

    should_validate_uniqueness_of :title
    should_validate_presence_of :body, :message => /wtf/
    should_validate_presence_of :title
    should_validate_numericality_of :user_id
  end

  class UserTest < Test::Unit::TestCase
    should_have_many :posts

    should_not_allow_values_for :email, "blah", "b lah"
    should_allow_values_for :email, "a@b.com", "asdf@asdf.com"
    should_ensure_length_in_range :email, 1..100
    should_ensure_value_in_range :age, 1..100
    should_not_allow_mass_assignment_of :password
  end