Rubygem-timecop

Jul 20, 2023

Mock current time to test time-dependent code

timecop is a gem providing “time travel” and “time freezing” capabilities, making it dead simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.

Features

  • Freeze time to a specific point.
  • Travel back to a specific point in time, but allow time to continue moving forward from there.
  • Scale time by a given scaling factor that will cause time to move at an accelerated pace.
  • No dependencies, can be used with any ruby project
  • Timecop api allows arguments to be passed into #freeze and #travel as one of the following
    • Time instance
    • DateTime instance
    • Date instance
    • individual arguments year, month, day, hour, minute, second
    • a single integer argument that is interpreted as an offset in seconds from Time.now
  • Nested calls to Timecop#travel and Timecop#freeze are supported – each block will maintain its interpretation of now.
  • Works with regular Ruby projects, and Ruby on Rails projects


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