Test Faker against Rails and FactoryBot

faker_factory_bot_test.rb

# frozen_string_literal: true

require 'bundler/inline'

gemfile(true) do
  source 'https://rubygems.org'

  git_source(:github) { |repo| "https://github.com/#{repo}.git" }

  ruby '3.2.4'

  gem 'rails', '7.1.3.4'
  gem 'factory_bot', '6.4.6'
  gem 'faker', '3.4.2'
  gem "sqlite3", "~> 1.4"
end

require 'active_record'
require 'minitest/autorun'
require 'logger'

# This connection will do for database-independent bug reports.
ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
ActiveRecord::Base.logger = Logger.new($stdout)

ActiveRecord::Schema.define do
  create_table :users, force: true do |t|
    t.string :email
  end
end

class User < ActiveRecord::Base
end

FactoryBot.define do
  factory :user do 
    email { Faker::Internet.email }
  end
end

class BugTest < Minitest::Test
  def test_email
    10_000.times do
      puts FactoryBot.build(:user).email
      assert FactoryBot.build(:user).email.present?
      assert FactoryBot.create(:user).email.present?
    end
  end
end