require 'test_helper'

class RecordMarshalTest < ActiveSupport::TestCase
  def setup
    if ::ActiveRecord::VERSION::STRING >= '4.1.0'
      @json_options = { 'name' => 'Test', 'age' => 18, 'hash' => { 'name' => 'dup' } }
      @user = User.create name: 'csdn',
                          email: 'test@csdn.com',
                          options: [1, 2],
                          json_options: @json_options,
                          status: :active
    else
      @user = User.create name: 'csdn',
                          email: 'test@csdn.com',
                          options: [1, 2]
    end
  end

  def test_should_dump_active_record_object
    dumped = RecordMarshal.dump(@user)
    assert dumped.is_a?(Array)
    assert_equal 'User', dumped[0]
    assert_equal @user.attributes, dumped[1]
  end

  def test_should_load_active_record_object
    @user.write_second_level_cache
    assert_equal @user, User.read_second_level_cache(@user.id)
    assert_equal Array, User.read_second_level_cache(@user.id).options.class
    assert_equal Array, User.read_second_level_cache(@user.id).reload.options.class
    assert_equal User.read_second_level_cache(@user.id).changed?, false
    assert_equal [1, 2], User.read_second_level_cache(@user.id).options
    if ::ActiveRecord::VERSION::STRING >= '4.1.0'
      result = User.read_second_level_cache(@user.id)
      assert_equal @json_options['name'], result.json_options['name']
      assert_equal @json_options, result.json_options
    end
    assert User.read_second_level_cache(@user.id).persisted?
  end

  def test_should_load_nil
    @user.expire_second_level_cache
    assert_nil User.read_second_level_cache(@user.id)
  end

  def test_should_load_active_record_object_without_association_cache
    @user.books
    @user.write_second_level_cache
    assert_equal false, User.read_second_level_cache(@user.id).association_cached?('id')
  end

  def test_should_thread_safe_load
    user = User.find @user.id
    assert_equal 'active', user.status
    user = User.find @user.id
    assert_equal 'active', user.status
  end
end