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Last active January 2, 2016 08:59
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AR bug with circular destroy
unless File.exists?('Gemfile')
File.write('Gemfile', <<-GEMFILE)
source 'https://rubygems.org'
gem 'rails', github: 'rails/rails'
gem 'sqlite3'
GEMFILE
system 'bundle'
end
require 'bundler'
Bundler.setup(:default)
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 :addresses do |t|
end
create_table :users do |t|
end
create_table :address_user_links do |t|
t.references :address
t.references :user
end
end
class Address < ActiveRecord::Base
has_one :address_user_link, dependent: :destroy
has_one :user, through: :address_user_link
end
class User < ActiveRecord::Base
has_many :address_user_links, dependent: :destroy
has_many :addresses, through: :address_user_links
end
class AddressUserLink < ActiveRecord::Base
belongs_to :user
belongs_to :address, dependent: :destroy
end
class BugTest < Minitest::Test
def test_save_failed
user = User.create!
address = Address.create!
link = AddressUserLink.create!(user: user, address: address)
address.destroy # here we get a stack level too deep error
assert link.destroyed?
end
end
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bobbus commented Jan 6, 2014

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