goldiloader_issue_29.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 :posts, force: true do |t|
    t.references :user
  end

  create_table :users, force: true do |t|
  end
end

class Post < ActiveRecord::Base
  belongs_to :user

  scope :rank, -> do
    all
  end
end

class User < ActiveRecord::Base
  has_many :posts
end

class BugTest < Minitest::Test
  def test_eager_loading
    user = User.create!
    3.times { user.posts.create! }

    scope = filter_scope(Post.where(user_id: 1))

    assert(!scope.loaded?)
  end

  def filter_scope(scope)
    if scope == Post || (scope.is_a?(ActiveRecord::Relation) && scope.klass == Post)
      scope = scope.rank
    end
    # ...
    scope
  end
end

output.txt

Fetching gem metadata from https://rubygems.org/...........
Fetching version metadata from https://rubygems.org/..
Resolving dependencies...
Using i18n 0.7.0
Using json 1.8.3
Using minitest 5.8.3
Using thread_safe 0.3.5
Using tzinfo 1.2.2
Using activesupport 4.2.4
Using builder 3.2.2
Using activemodel 4.2.4
Using arel 6.0.3
Using activerecord 4.2.4
Using goldiloader 0.0.9
Using sqlite3 1.3.11
Using bundler 1.10.6
-- create_table(:posts, {:force=>true})
D, [2015-12-04T19:22:30.784491 #62783] DEBUG -- :    (0.2ms)  CREATE TABLE "posts" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "user_id" integer)
   -> 0.0027s
-- create_table(:users, {:force=>true})
D, [2015-12-04T19:22:30.784903 #62783] DEBUG -- :    (0.1ms)  CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL)
   -> 0.0003s
Run options: --seed 31098

# Running:

D, [2015-12-04T19:22:30.797421 #62783] DEBUG -- :    (0.0ms)  begin transaction
D, [2015-12-04T19:22:30.799380 #62783] DEBUG -- :   SQL (0.0ms)  INSERT INTO "users" DEFAULT VALUES
D, [2015-12-04T19:22:30.799670 #62783] DEBUG -- :    (0.0ms)  commit transaction
D, [2015-12-04T19:22:30.801859 #62783] DEBUG -- :    (0.0ms)  begin transaction
D, [2015-12-04T19:22:30.805206 #62783] DEBUG -- :   SQL (0.1ms)  INSERT INTO "posts" ("user_id") VALUES (?)  [["user_id", 1]]
D, [2015-12-04T19:22:30.805453 #62783] DEBUG -- :    (0.0ms)  commit transaction
D, [2015-12-04T19:22:30.805605 #62783] DEBUG -- :    (0.0ms)  begin transaction
D, [2015-12-04T19:22:30.806148 #62783] DEBUG -- :   SQL (0.0ms)  INSERT INTO "posts" ("user_id") VALUES (?)  [["user_id", 1]]
D, [2015-12-04T19:22:30.806360 #62783] DEBUG -- :    (0.0ms)  commit transaction
D, [2015-12-04T19:22:30.806488 #62783] DEBUG -- :    (0.0ms)  begin transaction
D, [2015-12-04T19:22:30.806988 #62783] DEBUG -- :   SQL (0.0ms)  INSERT INTO "posts" ("user_id") VALUES (?)  [["user_id", 1]]
D, [2015-12-04T19:22:30.807200 #62783] DEBUG -- :    (0.0ms)  commit transaction
.

Finished in 0.014776s, 67.6789 runs/s, 67.6789 assertions/s.

1 runs, 1 assertions, 0 failures, 0 errors, 0 skips