christophermanning · August 29, 2015 14:02
diff --git a/README.md b/README.md
diff --git a/habtm.rb b/habtm.rb
 # this example works as written in rails 4.1.1
 #gem 'rails', '4.1.1'
 gem 'rails', '4.1.2.rc2'
 require 'active_record'

 # Print out what version we're running
 puts "Active Record #{ActiveRecord::VERSION::STRING}"

 # Connect to an in-memory sqlite3 database (more on this in a moment)
 ActiveRecord::Base.establish_connection(
  :adapter  => 'sqlite3',
  :database => ':memory:'
 )

 # Create the minimal database schema necessary to reproduce the bug
 ActiveRecord::Schema.define do
  create_table :articles, :force => true do |t|
  end

  create_table :publisher_magazines, :force => true do |t|
  end

  create_table :articles_publisher_magazines, force: true do |t|
    t.integer :article_id
    t.integer :publisher_magazine_id
  end
 end

 # Create the minimal set of models to reproduce the bug
 module Publisher
  def self.table_name_prefix
    'publisher_'
  end
 end

 class Article < ActiveRecord::Base
  has_and_belongs_to_many :publisher_magazines, class_name: 'Publisher::Magazine', association_foreign_key: 'publisher_magazine_id'
 end

 class Publisher::Magazine < ActiveRecord::Base
  has_and_belongs_to_many :articles, foreign_key: 'publisher_magazine_id'
  # adding this line fixes the uninitialized constant exception
  #, class_name: 'Article'
 end

 # Create some test data
 magazine = Publisher::Magazine.create
 article = Article.create
 magazine.articles << article
 magazine.save!

 # exception: uninitialized constant Publisher::Article (NameError)
 p Publisher::Magazine.where(id: magazine.id).first.articles
	# this example works as written in rails 4.1.1
	#gem 'rails', '4.1.1'
	gem 'rails', '4.1.2.rc2'
	require 'active_record'

	# Print out what version we're running
	puts "Active Record #{ActiveRecord::VERSION::STRING}"

	# Connect to an in-memory sqlite3 database (more on this in a moment)
	ActiveRecord::Base.establish_connection(
	:adapter => 'sqlite3',
	:database => ':memory:'
	)

	# Create the minimal database schema necessary to reproduce the bug
	ActiveRecord::Schema.define do
	create_table :articles, :force => true do \|t\|
	end

	create_table :publisher_magazines, :force => true do \|t\|
	end

	create_table :articles_publisher_magazines, force: true do \|t\|
	t.integer :article_id
	t.integer :publisher_magazine_id
	end
	end

	# Create the minimal set of models to reproduce the bug
	module Publisher
	def self.table_name_prefix
	'publisher_'
	end
	end

	class Article < ActiveRecord::Base
	has_and_belongs_to_many :publisher_magazines, class_name: 'Publisher::Magazine', association_foreign_key: 'publisher_magazine_id'
	end

	class Publisher::Magazine < ActiveRecord::Base
	has_and_belongs_to_many :articles, foreign_key: 'publisher_magazine_id'
	# adding this line fixes the uninitialized constant exception
	#, class_name: 'Article'
	end

	# Create some test data
	magazine = Publisher::Magazine.create
	article = Article.create
	magazine.articles << article
	magazine.save!

	# exception: uninitialized constant Publisher::Article (NameError)
	p Publisher::Magazine.where(id: magazine.id).first.articles