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January 2, 2016 08:59
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AR bug with circular destroy
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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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see rails/rails#13609