On 7 Mar 2012, at 15:12, Ken Chien wrote:
> Hi Matt,
> On Wed, Mar 7, 2012 at 2:22 AM, Matt Wynne <m...@mattwynne.net> wrote:
> Hi all,
>
> I'm spec'ing a method that yields a value. Right now, I spec it like this:
>
> result = nil
> thing.do_stuff { |value| result = value }
> result.should == expected
>
> This feels like too much ceremony. What I want to do is something more this:
>
> thing.do_stuff.should yield_value(expected)
>
> Is there anything built into RSpec to let me do this? If not, how do other
> people test yields?
>
>
> I came across this about a month or two ago.
> You can do this:
> thing.should_receive(:do_stuff).and_yield( whatever)
Surely that sets up a mocked collaborator to respond by yielding something,
doesn't it? That's not what I'm looking for. I want to specify that a method on
the class I'm testing yields a certain value.
cheers,
Matt
--
Freelance programmer & coach
Author, http://pragprog.com/book/hwcuc/the-cucumber-book
Founder, http://www.relishapp.com/
Twitter, https://twitter.com/mattwynne
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