AASM test case

after_enter.rb

gem 'activerecord', '3.2.19'
require 'active_record'
require 'minitest/autorun'
require 'logger'
gem 'aasm', '4.0.8'
require 'aasm'

# Ensure backward compatibility with Minitest 4
Minitest::Test = MiniTest::Unit::TestCase unless defined?(Minitest::Test)

# 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 :users do |t|
  end

  create_table :verifications do |t|
    t.integer :user_id
    t.string :state
  end
end

class User < ActiveRecord::Base
  has_one :verification

  def verification_with_find_or_create_and_initialize(*args)
    verification_without_find_or_create_and_initialize(*args) || create_verification
  end
  alias_method_chain :verification, :find_or_create_and_initialize
end

class Verification < ActiveRecord::Base
  belongs_to :user
  include AASM

  aasm column: 'state', whiny_transitions: false do
    state :initialized, initial: true, after_enter: [:enqueue_something]
    state :confirmed

    event :confirm do
      transitions from: :initialized, to: :confirmed
    end
  end

  def enqueue_something
    persisted? or raise 'Not persisted'
  end
end

class BugTest < Minitest::Test
  def test_after_enter
    user = User.create
    user.create_verification

    assert user.verification.persisted?
  end
end