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December 12, 2016 15:21
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activerecord4_working.rb
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begin | |
require 'bundler/inline' | |
rescue LoadError => e | |
$stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler' | |
raise e | |
end | |
gemfile(true) do | |
source 'https://rubygems.org' | |
gem 'rails', '~> 4.2.0' | |
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 :articles, force: true do |t| | |
end | |
create_table :followers, force: true do |t| | |
t.integer :article_id | |
t.integer :user_id | |
end | |
create_table :users, force: true do |t| | |
t.string :name | |
end | |
end | |
class Article < ActiveRecord::Base | |
has_many :followers | |
has_many :users, through: :followers | |
end | |
class Follower < ActiveRecord::Base | |
belongs_to :article | |
belongs_to :user | |
end | |
class User < ActiveRecord::Base | |
before_update :say_hello | |
def say_hello | |
self.name = 'Hello' | |
end | |
end | |
class BugTest < Minitest::Test | |
def test_before_save_callback | |
user = User.create!(name: 'Mario') | |
order = Article.create!(user_ids: [user.id]) | |
user.reload | |
assert_equal 'Mario', user.name | |
end | |
end |
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