require 'test_helper' EmailFormat = /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/ users_table = %{CREATE TABLE users (id INTEGER PRIMARY KEY, first_name TEXT, email TEXT);} ActiveRecord::Base.connection.execute(users_table) class User < ActiveRecord::Base include ContextValidations::Model validates :first_name, :presence => true validates :email, :format => EmailFormat end describe 'Model' do before do @user = User.new end it 'ignores existing validations' do @user.valid?.must_equal true end it 'accepts validations set onto the instance' do validations = [ActiveModel::Validations::PresenceValidator.new(:attributes => [:first_name]), ActiveModel::Validations::FormatValidator.new(:attributes => [:email], :with => EmailFormat), ActiveRecord::Validations::UniquenessValidator.new(:attributes => [:email])] @user.validations = validations @user.valid?.must_equal false @user.errors.count.must_equal 2 end end