belongs_to_inverse_of_has_many_callbacks.rb

# frozen_string_literal: true

require "bundler/inline"

gemfile(true) do
  source "https://rubygems.org"

  git_source(:github) { |repo| "https://github.com/#{repo}.git" }

  gem "rails", github: "rails/rails", branch: 'master'
  gem "sqlite3"
end

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 :posts, force: true do |t|
  end

  create_table :comments, force: true do |t|
    t.integer :post_id
  end
end

class Post < ActiveRecord::Base
  has_many :comments,
    before_add: :before_add

  def before_add(comment)
    raise "comment already in the association, should not be passed to before_add" if comment.persisted?
  end
end

class Comment < ActiveRecord::Base
  belongs_to :post, inverse_of: :comments
end

class BugTest < Minitest::Test
  def test_association_stuff
    Post.create!.comments.create!.reload.post
  end
end