Rails 6+ postgres bug test script (useful for reproducing issues)

rails_postgres_test.rb

if ARGV.empty? 
  puts "You can specify the local git repository, i.e. `ruby script.rb ~/work/rails.git`"
end

unless File.exist?('Gemfile')
  File.write('Gemfile', <<-GEMFILE)
    source 'https://rubygems.org'
    #gem 'rails', git: '#{ARGV[0] || 'https://github.com/rails/rails.git'}', tag: 'v6.0.3.4'
    gem 'rails', git: '#{ARGV[0] || 'https://github.com/rails/rails.git'}', tag: 'v6.1.0.rc1'
    gem 'pg'
    gem 'pry'
  GEMFILE
  system 'bundle'
end
require 'bundler'
Bundler.setup(:default)
require 'pry'
require 'active_record'
require 'minitest/autorun'
require 'logger'

`createdb daterange_test_db`

ActiveRecord::Base.establish_connection(adapter: 'postgresql', database: 'daterange_test_db')
ActiveRecord::Base.logger = Logger.new(STDOUT)
ActiveRecord::Schema.define do
  create_table :bookings, if_not_exists: true do |t|
    t.daterange :daterange
  end
end

module Booking
end

class Booking::Base < ActiveRecord::Base
  self.table_name = 'bookings'
  attribute :daterange, range: true
end

class BugTest < Minitest::Test
  def test_daterange_type
    booking = Booking::Base.create(daterange: Date.new(2020,12,1)..Date.new(2020,12,12))
    
    assert_equal '[2020-12-01,2020-12-13)', Booking::Base.last.daterange
  end
end