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module ActiveSupport
module Testing
# Containing helpers that helps you test passage of time.
module TimeHelpers
# Change current time to the time in the future or in the past by a given time difference by
# stubbing +Time.now+ and +Date.today+. Note that the stubs are automatically removed
# at the end of each test.
#
# Time.current # => Sat, 09 Nov 2013 15:34:49 EST -05:00
# travel 1.day
# Time.current # => Sun, 10 Nov 2013 15:34:49 EST -05:00
# Date.current # => Sun, 10 Nov 2013
#
# This method also accepts a block, which will return the current time back to its original
# state at the end of the block:
#
# Time.current # => Sat, 09 Nov 2013 15:34:49 EST -05:00
# travel 1.day do
# User.create.created_at # => Sun, 10 Nov 2013 15:34:49 EST -05:00
# end
# Time.current # => Sat, 09 Nov 2013 15:34:49 EST -05:00
def travel(duration, &block)
travel_to Time.now + duration, &block
end
# Change current time to the given time by stubbing +Time.now+ and +Date.today+ to return the
# time or date passed into this method. Note that the stubs are automatically removed
# at the end of each test.
#
# Time.current # => Sat, 09 Nov 2013 15:34:49 EST -05:00
# travel_to Time.new(2004, 11, 24, 01, 04, 44)
# Time.current # => Wed, 24 Nov 2004 01:04:44 EST -05:00
# Date.current # => Wed, 24 Nov 2004
#
# This method also accepts a block, which will return the current time back to its original
# state at the end of the block:
#
# Time.current # => Sat, 09 Nov 2013 15:34:49 EST -05:00
# travel_to Time.new(2004, 11, 24, 01, 04, 44) do
# User.create.created_at # => Wed, 24 Nov 2004 01:04:44 EST -05:00
# end
# Time.current # => Sat, 09 Nov 2013 15:34:49 EST -05:00
def travel_to(date_or_time, &block)
Time.stubs now: date_or_time.to_time
Date.stubs today: date_or_time.to_date
if block_given?
block.call
Time.unstub :now
Date.unstub :today
end
end
end
end
end
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