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Posted By

vanne on 01/21/07


Tagged

ruby


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assert_difference

Published in: Ruby 

URL: http://weblog.jamisbuck.org/2007/1/19/blocks-rock

A custom assertion that will allow you to pass a block to find the difference between two values.

Plain TextExpand 
  1. def assert_difference(object, method, difference=1)
  2.   initial_value = object.send(method)
  3.   yield
  4.   assert_equal initial_value + difference, object.send(method)
  5. end

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