[Grok-dev] Re: z3c.testsetup 0.2.3 released

[Uli Fouquet]

Hi Wolfgang,

Wolfgang Schnerring wrote:

> * Uli Fouquet <uli at gnufix.de>[2008-06-25 18:07]:

> > I just did a quick bugfix release 0.2.3 which should fix this error
> 
> That did the trick, z3c.testsetup now works as advertised. Thanks! :-)

Fine, that it works at least a bit better :-)

> I would have liked to put the register_all_tests() call into __init__.py[1], but
> this failes with
> 
> Traceback (most recent call last):
[snip]
>   File "myproject/build/eggs/martian-0.10-py2.4.egg/martian/scan.py", line 192, in resolve
> AttributeError: 'module' object has no attribute 'test'
> 
> Is this a shortcoming of martian or inherently impossible? (My Python-fu is not
> strong enough to answer that)

I ran into this too. This happens while collecting packages and modules
for test registration. 

martian.scan creates in certain circumstances ModuleInfos for which it
refuses to deliver the accompanied module. I have to look deeper into
it. It is annoying me too ;-)

There might, however, be a good reason for it: when you request to get a
module which is currently processed, then it might be impossible to load
it. It would be like creating sample/mod.py and then, in mod.py, saying
`from sample import mod`. This would mean trouble (infinite recursion).
Therefore most probably martian.scan is not to blame.

But as it annoys me too, I'll fix that very shortly. It should be only a
little fix. So thanks for putting it on the agenda!

> [1] an aside: is there a (quick) way to say "this package"? __name__ is not a
> full dotted name and so won't work,

It is not? Normally, I would say 

  '.'.join(__name__.split('.')[:-1])

should do the trick, but on a module level. If you need it in an object,
you might get the dotted module path from self.__module__. 

For z3c.testsetups you normally operate on module level, so there you
should be able to do::

  # tests.py
  import z3c.testsetup
  test_suite = z3c.testsetup.register_all_tests(
    '.'.join(__name__.split('.')[:-1])

to register the package you're in. But I don't know how PEP-compatible
this is.

>  and a PEP for __module__ was rejected as far
> as I can see. Not having to explicitly type the package name would be really
> nice, though...

Right, interesting! Which PEP was it?

Kind regards,

-- 
Uli

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