ruby-on-rails - How to compare DateTimes when ActiveRecord returns time w/ timezone

Question

How do I solve this date and timzeone comparison problem in RSpec:

Code:

promotion.start_date.should == DateTime.strptime("2012-02-08", "%F")

Result:

Failure/Error: promotion.start_date.should == DateTime.strptime("2012-02-08", "%F")
  expected: Wed, 08 Feb 2012 00:00:00 +0000
       got: Wed, 08 Feb 2012 00:00:00 EST -05:00 (using ==)
  Diff:
  @@ -1,2 +1,2 @@
  -Wed, 08 Feb 2012 00:00:00 +0000
  +Wed, 08 Feb 2012 00:00:00 EST -05:00

Answer 1

看起来您的开发机器上有 EST 时区，Rails 应用程序中有 UTC（默认）。我会说你的测试中的错误是合法的:) 在你的 Rails 应用程序中设置相同的时区，config.time_zone = 'Eastern Time (US & Canada)'错误就会消失。