Bug report of incorrect parsing of time when assigning to time attributes.

rails_time_with_offset_test.rb

# For Ruby on Rails master branch

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  gem 'rails', github: 'rails/rails'
  gem 'arel', github: 'rails/arel'
  gem 'sqlite3'
end

require 'active_record'
require 'minitest/autorun'
require 'logger'

ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
ActiveRecord::Base.logger = Logger.new(STDOUT)

ActiveRecord::Schema.define do
  create_table :bus_stop_schedules, force: true do |t|
    t.time :arrival
  end
end

class BusStopSchedule < ActiveRecord::Base
end

class BugTest < Minitest::Test
  def test_time_with_utc_offset
    sched = BusStopSchedule.new
    sched.arrival = "2015-06-13T19:45:54+03:00"
    assert_equal "2000-01-01T16:45:54Z", sched.arrival.iso8601
    sched.arrival = "06:07:08+09:00"
    assert_equal "2000-01-01T21:07:08Z", sched.arrival.iso8601
  end
end

rails_time_with_offset_test_for_4-1.rb

# For Ruby on Rails 4.1.x

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  gem 'rails', '~> 4.1.13'
  gem 'sqlite3'
end

require 'active_record'
require 'minitest/autorun'
require 'logger'

ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
ActiveRecord::Base.logger = Logger.new(STDOUT)

ActiveRecord::Schema.define do
  create_table :bus_stop_schedules, force: true do |t|
    t.time :arrival
  end
end

class BusStopSchedule < ActiveRecord::Base
end

class BugTest < Minitest::Test
  def test_time_with_utc_offset
    sched = BusStopSchedule.new
    sched.arrival = "2015-06-13T19:45:54+03:00"
    assert_equal "2000-01-01T16:45:54Z", sched.arrival.iso8601
    sched.arrival = "06:07:08+09:00"
    assert_equal "2000-01-01T21:07:08Z", sched.arrival.iso8601
  end
end