goldiloader-issue-41.rb

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  gem 'rails', '5.0.2'
  gem 'goldiloader'
  gem 'sqlite3'
  gem 'minitest'
end

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

ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
ActiveRecord::Base.logger = Logger.new(STDOUT)

ActiveRecord::Schema.define do
  create_table :blogs, force: true do |t|
  end

  create_table :posts, force: true do |t|
    t.integer :blog_id
  end
end

ActiveRecord::Base.belongs_to_required_by_default = true

class Blog < ActiveRecord::Base
  has_many :posts
end

class Post < ActiveRecord::Base
  belongs_to :blog
end

class BugTest < defined?(Minitest::Test) ? Minitest::Test : MiniTest::Unit::TestCase
  def test_belongs_to_validation
    blog = Blog.create!

    post = Post.new
    assert !post.valid?

    post.blog = blog
    assert post.valid?
  end
end