require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'

  gem 'mongoid', '~> 9.0'
  gem 'activemodel', '~> 7.2.0'
end

Mongoid.configure do |config|
  config.clients.default = {
    hosts: ['mongo:27017'],
    database: 'mongoid_test',
  }
  config.map_big_decimal_to_decimal128 = true
end
Mongoid.purge!

class Article
  include Mongoid::Document

  field :send_delay, type: BigDecimal, default: 0

  validates_numericality_of :send_delay
end

article = Article.new(send_delay: '0')

pp article.save! # => true
pp article.save!
# => /usr/local/bundle/gems/activemodel-7.2.2.1/lib/active_model/validations/numericality.rb:80:in `parse_as_number': undefined method `to_i' for BSON::Decimal128('0'):BSON::Decimal128 (NoMethodError)