Re: [Asunit-users] AsUnit 3.x working?

[Alias <ali...@gm...>]

Hi Luke,

Just tried the createclass XUL application - that's pretty neat. It
actually seems to work much better than the JSFL version.

Good stuff :)

I'll let you know if I manage to break it.

Alias

On 11/13/05, Matt Freer <mat...@gm...> wrote:
> Hey Luke,
>
> Thanks for your reply.
>
> >> events in AS 3.0 fire synchronously, so I usually test them by
> triggering the event and
> >> then checking the state of the object in a regular TestCase.
>
> The approach I have been using sounds the same:
> 1) In my TestCase I write a test designed to test the state of the
> object after an Event has fired.
> 2) In my Testcase I override the run method and trigger the event
> (subscribing to it)
> 3) In the event handler I call super.run();
>
> The problem I find with this approach is that if the event doesn't
> fire (for whatever reason) then super.run() is never called and hence
> no tests run/no tests fail!
> In larger projects when you have perhaps 100s of tests it becomes
> harder to track the exact number of tests expected to run. Hence you
> can be in a situation when all your tests appear to be passing, but in
> reality all your tests aren't running.
>
> I have experimented with including timeout checks (to test whether the
> event fired) however I find this to be pretty messy and generally find
> that the TestCases don't scale particularly well in such when this is
> implemented.
>
> Do you also find this a problem?
>
>
> >> Mock Objects are also useful when testing abstract classes
>
> I had actually been using Concrete implementations of Abstract Classes
> designed specifically for testing purposes, so this seems to fit with
> the description of Mock Objects.
>
> Thanks for all the info
>
> Cheers
> Matt
>
>
>
> On 11/13/05, Luke Bayes <lb...@gm...> wrote:
> > Hey Matt,
> >
> >  Thanks for the kind words!
> >
> >  I'm really glad to hear that someone got the XUL UI and AsUnit 3.x up =
and
> > running!
> >
> >
> > > I wondering if  the new Event Model in AS3, with its bubble nature
> > > will make it easier to test event based code?
> >
> >  That's actually a very good idea, I haven't really messed with the bub=
ble
> > feature much yet... If you get something going like that, I would love =
to
> > see it.
> >
> >  As far as using AsynchronousTestCase to test event based code, I'm not=
 sure
> > that's really the best way because events in AS 3.0 fire synchronously,=
 so I
> > usually test them by triggering the event and then checking the state o=
f the
> > object in a regular TestCase.
> >
> >  We created the AsynchronousTestCase and Example because there are occa=
sions
> > where we wanted to test functionality that isn't compiled into the swf =
file.
> > EG: Loaders and Sockets.
> >
> >  This actually leads nicely into your next question:
> >
> >
> > > Also can you please explain the nature of Mock Object Test Cases - an=
d
> > > when we might choose to use one?
> >
> >  Generally, when you want to test an object that consumes asynchronous
> > functionaliy (like the client of a Socket connection), you should typic=
ally
> > build a Mock Object of the Socket and use that instead of the Socket it=
self.
> > This is different from testing the Socket. As mentioned before, an
> > AsynchronousTestCase would be used to validate the Socket, but then a
> > SocketMock would be used to test it's clients.
> >
> >  http://c2.com/cgi/wiki?MockObject
> >
> >  Mock Objects are also useful when testing abstract classes. Of course =
AS
> > 3.0 doesn't natively support the abstract keyword, but we have been
> > implementing abstract classes by throwing an error in the constructor, =
then
> > using a Mock object to validate it's functionality.
> >
> >  Thanks,
> >
> >  Luke Bayes
> >  www.asunit.org
> >
> >
> >
>
>
> -------------------------------------------------------
> SF.Net email is sponsored by:
> Tame your development challenges with Apache's Geronimo App Server. Downl=
oad
> it for free - -and be entered to win a 42" plasma tv or your very own
> Sony(tm)PSP.  Click here to play: http://sourceforge.net/geronimo.php
> _______________________________________________
> Asunit-users mailing list
> Asu...@li...
> https://lists.sourceforge.net/lists/listinfo/asunit-users
>