path: root/activerecord/test/cases/associations/eager_load_includes_full_sti_class_test.rb

# frozen_string_literal: true

require "cases/helper"
require "models/post"
require "models/tagging"

module Namespaced
  class Post < ActiveRecord::Base
    self.table_name = "posts"
    has_one :tagging, as: :taggable, class_name: "Tagging"
  end
end

class EagerLoadIncludeFullStiClassNamesTest < ActiveRecord::TestCase
  def setup
    post = Namespaced::Post.create(title: "Great stuff", body: "This is not", author_id: 1)
    @tagging = Tagging.create(taggable: post)
    @old = ActiveRecord::Base.store_full_sti_class
  end

  def teardown
    ActiveRecord::Base.store_full_sti_class = @old
  end

  def test_class_names_with_includes
    ActiveRecord::Base.store_full_sti_class = false
    post = Namespaced::Post.includes(:tagging).find_by_title("Great stuff")
    assert_nil post.tagging

    ActiveRecord::Base.store_full_sti_class = true
    post = Namespaced::Post.includes(:tagging).find_by_title("Great stuff")
    assert_equal @tagging, post.tagging
  end

  def test_class_names_with_eager_load
    ActiveRecord::Base.store_full_sti_class = false
    post = Namespaced::Post.eager_load(:tagging).find_by_title("Great stuff")
    assert_nil post.tagging

    ActiveRecord::Base.store_full_sti_class = true
    post = Namespaced::Post.eager_load(:tagging).find_by_title("Great stuff")
    assert_equal @tagging, post.tagging
  end
end