gitlabhq/spec/initializers/active_model_attribute_methods_spec.rb

# frozen_string_literal: true

require 'spec_helper'

RSpec.describe 'ActiveModel::AttributeMethods Patch', feature_category: :database do
  before do
    load Rails.root.join('config/initializers/active_model_attribute_methods.rb')
  end

  describe '.aliases_by_attribute_name' do
    let(:klass) do
      Class.new do
        include ActiveModel::AttributeMethods

        alias_attribute :id_value, :id
        alias_attribute :id_value, :id
      end
    end

    it 'stores the alias attribute only once' do
      expect(klass.aliases_by_attribute_name['id'].to_a).to eq(['id_value'])
    end
  end
end