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oreshinya/power_assert_extension.rb

Last active August 29, 2015 14:06
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power_assert extension for rspec sample.
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power_assert_extension.rb
require 'rspec/core'
require 'power_assert'
module PowerAssertExtension
def power_assert(&block)
::PowerAssert.start(block, assertion_method: __method__) do |pa|
return if pa.yield
message = "\n#{pa.message_proc.call}"
raise RSpec::Expectations::ExpectationNotMetError.new(message)
end
end
end
class RSpec::Core::ExampleGroup
include PowerAssertExtension
end
@oreshinya
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oreshinya commented Sep 19, 2014

Usage:

it do
  power_assert do
    @hoge == 1
  end
end

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