require 'spec_helper'

describe CpfValidator do
  context 'when cpf is invalid' do
    context 'on a non namespaced model' do
      before :each do
        @user = User.new(:cpf => '12345')
        I18n.stub(:t).with(:'activerecord.errors.models.user.attributes.cpf.invalid',
                           :default => :'activerecord.errors.messages.invalid').and_return('is invalid')
      end

      it 'should set object as invalid' do
        @user.valid?.should be_false
      end

      it 'should set an error message on attribute' do
        @user.valid?
        @user.errors[:cpf].should == ['is invalid']
      end
    end
  end

  context 'when cpf is valid' do
    before :each do
      @user = User.new(:cpf => '11144477735')
    end

    it 'should set object as valid' do
      @user.valid?.should be_true
    end

    it 'should not set an error message on attribute' do
      @user.valid?
      @user.errors[:cpf].should be_blank
    end
  end

  it 'should accept a nil value' do
    @user = User.new(:cpf => nil)
    @user.valid?.should be_true
  end
end