If time zone support is critical to your app, it's often necessary to test various methods as if they were being run in a specific time zone.
$ sudo gem install time-zone-warp
Gem config in a Rails app. Add to test.rb:
config.gem 'time-zone-warp', :lib => 'time_zone_warp'
class UserTest < Test::Unit::TestCase test "code works in other time zones" do pretend_zone_is "Mountain Time (US & Canada)" do # assertions go here end end end
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