使用机械师而不是固定装置

   name: string
   email: string
   children: has_many association to another model

User.blueprint do
   name { 'user{sn}' }
   email { '{object.name}@domain.com' }
end

require 'test_helper'

class UserTest < ActiveSupport::TestCase
  should have_many( :children )
  should validate_uniqueness_of( :email )
  should_not allow_value("blah").for(:email)
  should_not allow_value("b lah").for(:email)
  should allow_value("a@b.com").for(:email)
  should allow_value("asdf@asdf.com").for(:email)
end

rake