Created
December 28, 2020 17:18
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# frozen_string_literal: true | |
require "bundler/inline" | |
gemfile(true) do | |
source "https://rubygems.org" | |
git_source(:github) { |repo| "https://github.com/#{repo}.git" } | |
# Activate the gem you are reporting the issue against. | |
gem "activerecord", "6.1.0" | |
gem "activesupport", "6.1.0" | |
gem "sqlite3" | |
end | |
require "active_record" | |
require "minitest/autorun" | |
require "logger" | |
require 'active_support/testing/assertions' | |
ActiveRecord::Base.has_many_inversing = true | |
# 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 :pages, force: true do |t| | |
t.string :name | |
t.bigint :parent_id, foreign_key: true | |
t.timestamps | |
end | |
create_table :page_comments do |t| | |
t.string :name | |
t.references :page, null: false, foreign_key: true | |
end | |
end | |
class Page < ActiveRecord::Base | |
belongs_to :parent, class_name: 'Page', foreign_key: 'parent_id', optional: true, touch: true, inverse_of: :children | |
has_many :children, class_name: 'Page', foreign_key: 'parent_id', inverse_of: :parent | |
has_many :comments, class_name: 'PageComment', inverse_of: :page | |
end | |
class PageComment < ActiveRecord::Base | |
belongs_to :page, touch: true, inverse_of: :comments | |
end | |
class BugTest < Minitest::Test | |
include ActiveSupport::Testing::Assertions | |
def test_association_stuff | |
root= Page.create!(name: 'parent') | |
child= root.children.create!(name: 'child') | |
child.reload | |
assert_difference 'Page.count', -1 do | |
child.destroy | |
end | |
end | |
def test_association_stuff2 | |
root= Page.create!(name: 'parent') | |
child= root.comments.create!(name: 'child') | |
child.reload | |
assert_difference 'PageComment.count', -1 do | |
child.destroy | |
end | |
end | |
end |
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