[rspec-users] Assertions for asynchronous behaviour

Justin Ko jko170 at gmail.com
Tue Sep 13 10:38:15 EDT 2011


On Tue, Sep 13, 2011 at 6:56 AM, Matt Wynne <matt at mattwynne.net> wrote:

> Hi all,
>
> In GOOS[1] they use an assertion called assertEventually which samples the
> system for a success state until a certain timeout has elapsed. This allows
> you to synchronise the tests with asynchronous code.
>
> Do we have an equivalent of that in the Ruby / RSpec world already? I know
> capybara has wait_until { } but that's fairly rudimentary - the failure
> message isn't very helpful. Is there anything else already out there?
>
> [1] http://www.growing-object-oriented-software.com/
>
>    cheers,
> Matt
>
> --
> Freelance programmer & coach
> Author, http://pragprog.com/book/hwcuc/the-cucumber-book (with Aslak
> Hellesøy)
> Founder, http://relishapp.com
> +44(0)7974430184 | http://twitter.com/mattwynne
>
>
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the_object.should eventually_call(:foo).within(2).seconds

Sounds like Matt is going to make us this matcher! :)
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