goldiloader_31.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 'activerecord', '4.2.4'
  gem 'goldiloader'
  gem 'sqlite3'
end

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

# Ensure backward compatibility with Minitest 4
Minitest::Test = MiniTest::Unit::TestCase unless defined?(Minitest::Test)

# 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 :blogs, force: true 

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

class Blog < ActiveRecord::Base
  has_many :posts
end

class Post < ActiveRecord::Base
  belongs_to :blog
end

class BugTest < Minitest::Test
  def test_select
    blog = Blog.create!
    active_posts = 2.times.map { blog.posts.create!(active: true) }
    inactive_posts = 2.times.map { blog.posts.create!(active: false) }

    found_active_posts = Blog.find(blog.id).posts.select { |post| post.active? }

    assert_equal(active_posts.sort_by(&:id), found_active_posts.sort_by(&:id))
  end
end