scopes_in_block.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"
  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 :owners, force: true do |t|
    t.string :name
    t.timestamps
  end

  create_table :pets, force: true do |t|
    t.references :owner
    t.string :name
    t.timestamps
  end
end

class Owner < ActiveRecord::Base
  has_many :pets, inverse_of: :owner

  def first_pet_name
    pets.first.name
  end
end

class Pet < ActiveRecord::Base
  belongs_to :owner
end

class BugTest < Minitest::Test
  def test_association_scopes_in_block
    owner = Owner.create!(name: 'TestOwner')
    old_pet = Pet.create!(owner: owner, name: 'TestPet')

    assert_equal(owner.first_pet_name, old_pet.name)

    owner.pets.where('created_at < ?', 1.year.ago).first_or_create! do |pet|
      pet.name = owner.first_pet_name
    end
  end
end