[py-dev] migration from 1.3 to 2.0

Vyacheslav Rafalskiy rafalskiy at gmail.com
Mon May 2 23:40:33 CEST 2011

On Sat, Apr 30, 2011 at 10:22 AM, holger krekel <holger at merlinux.eu> wrote:
> On Thu, Apr 07, 2011 at 12:29 -0400, Vyacheslav Rafalskiy wrote:

>> >(sidenote: configure and even sessionstart hooks are both a bit
>> > not 100% right because they happen even on the master side of a distributed
>> > test run and the master side does not collect or run tests at all)
>> I see. Perhaps something like setup_package() in the top-level __init__.py
>> could be a solution?
> I guess you mean an __init__.py file of a test directory.
> With a layout of test dirs within an application this might mean
> one has to put this setup into the main package __init__.py
> and mixing test code and application code is often not a good idea.

Yes, exactly. In my case of functional testing I don't even have
application code here.
When I start the tests I tell the runner where in the network the
system under test is.

> So i'd rather put it into a conftest.py file as a normal hook.
> Maybe "pytest_pyfunc_setup(request)" would be good where request
> is the same object as for the funcarg factories.
> You could then write:
>    # content of conftest.py
>    def pytest_pyfunc_setup(request):
>        val = request.cached_setup(setup=makeval, scope="session")
>        # use val for some global setting of the package
> Alternatively we could see to call something like:
>    def pytest_setup_testloop(config):
>        val = makeval()
>        # use val for some global setting of the package
>    def pytest_teardown_testloop(config):
>        ...
> which would be called once for a test process.

The reason why I suggested setup_package() is that you already have
setup_function, setup_method, setup_class and setup_module so
the former would just complete the line-up. And the natural place
for it would be __init__.py of that package.

On the other hand, you can put conftest.py in every folder, which
can do precisely the same thing as well as many others. The
question is which way is more intuitive and results in cleaner code.
The answer is perhaps "It depends".

I like setup_module(module) because it lets me dump the configuration
straight into the namespace where I use it and setup_package(package)
could do the same.

But all in all, whatever works is fine with me.


> best,
> holger
>> Vyacheslav
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