Test Time Zone

tztest.rb

require_relative '../load_paths'
require 'active_record'
require 'active_support/all'

Time.zone = ActiveSupport::TimeZone['Central Time (US & Canada)']
ActiveRecord::Base.time_zone_aware_attributes = true

ActiveRecord::Base.establish_connection(adapter: :sqlite3, database: ':memory:')

class MyModel < ActiveRecord::Base
  connection.create_table :my_models, force: true do |t|
    t.datetime :a_datetime
  end
end

my_model = MyModel.new(a_datetime: '2014-06-14 07:39:00')
p my_model.a_datetime # => Sat, 14 Jun 2014 07:39:00 CDT -05:00

my_model.save!
my_model.reload

p my_model.a_datetime # => Sat, 14 Jun 2014 07:39:00 CDT -05:00