From: Jason Roelofs <jameskilton@...>
Date: 2006-10-03T22:59:43+09:00
Subject: Re: [ANN] test/spec 0.1, a BDD interface for Test::Unit

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On 10/3/06, Rob Sanheim <rsanheim@gmail.com> wrote:
>
> On 9/29/06, Christian Neukirchen <chneukirchen@gmail.com> wrote:
> > Hello,
> [snip]
> > You can use assert_* freely in specify-blocks; Object#should works in
> > Test::Unit test cases, too, but doesn't increase the assertion count.
> [/snip]
> > Happy hacking and have a nice day,
> > Christian Neukirchen
> >
> > 9861cf92ec39cce7a5e96504f1fdb6f0  testspec-0.1.0.tar.gz
> > --
> > Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org
>
>
> Looks very interesting.
>
> Is there a reason that calls to "should" don't increase the assertion
> count?  Seeing as they are sort of equivalent, and seeing the
> assertion count is a helpful thing, it would be nice.  Or maybe there
> should be a general "verification count" that includes calls to
> should?
>
> Here is one hack to do the assertion counts, btw:
> http://www.io.com/~wazmo/blog/archives/2006_05.html#000238
>
> - rob
>
> --
> http://www.robsanheim.com
> http://www.seekingalpha.com
> http://www.ajaxian.com
>
>
Interesting. We use an ad-hoc #should for BDD where I work:

(in our Rails test_helper.rb ):

class Test::Unit::TestCase
  def self.should(behave,&block)
    mname = "test_should_#{behave}"
    if block
      define_method mname, &block
    else
      define_method mname do
        flunk "#{self.class.name.sub(/Test$/,'')} should #{behave}"
      end
    end
  end
end

This allows us to write tests as such:

should "open the index page" do
  get '/'
  assert_response :success
end

As the method name is prefixed by 'test_' it does get counted in the
assertion count. If you'll notice, too, the method name actually gets
defined as:

'test_should_open the index page'

which because of the way the method is created and called, is never a
problem with the parser and makes for easier to read error messages. Maybe
you can use this to help with counting your 'shoulds' in this library.

Jason

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