aldesantis

en:
  errors:
    messages:
      not_divisible: 'is not a multiple of %{by}'

it:
  errors:
    messages:
      not_divisible: 'non è un multiplo di %{by}'

aldesantis

class Shoe < ActiveRecord::Base
  validates :size, divisibility: { by: 0.5, allow_blank: true }
end

aldesantis

class Shoe < ActiveRecord::Base
  validate :validate_size

  private

  def validate_size
    return if size.blank?
    return if size % 0.5 == 0

    errors.add :size, 'is not a multiple of 0.5'

aldesantis

class DivisibilityValidator < ActiveModel::EachValidator
  attr_reader :base

  def initialize(options)
    super

    @base = options[:base]
    fail ArgumentError, 'You must pass the :base option!' unless base
  end

aldesantis

class Model < ActiveRecord::Base
  validates :attribute1, :attribute2, divisibility: { by: 0.5 }
  validates :attribute3, divisibility: { by: 0.75 }
end

aldesantis

RSpec.describe MyModel do
  subject { MyModel.new }

  %w(attribute1 attribute2 attribute3).each do |attribute|
    it "adds an error when #{attribute} is not divisible by 0.5" do
      subject.send("#{attribute}=", 1.3)

      subject.validate

      expect(subject.errors.messages[attribute]).to eq 'is not divisible by 0.5'

aldesantis

class Model < ActiveRecord::Base
  validate :validate_multiples

  private

  def validate_multiples
    %w(attribute1 attribute2 attribute3).each do |attribute|
      value = send(attribute)

      next if value.blank?

aldesantis

Crowdster.configure do |config|
  # The :: is needed to access the root namespace.
  config.base_controller = '::ApplicationController'
end

aldesantis

require 'rails_helper'

RSpec.describe MyEngine::UsersController do
  routes { MyEngine::Engine.routes }
  
  # ...
end

aldesantis

ENV['RAILS_ENV'] ||= 'test'

ENGINE_ROOT = File.join(File.dirname(__FILE__), '../')

# Load environment.rb from the dummy app.
require File.expand_path('../dummy/config/environment',  __FILE__)

abort("The Rails environment is running in production mode!") if Rails.env.production?
require 'spec_helper'
require 'rspec/rails'